Merge branch 'develop' of github.com:matrix-org/matrix-react-sdk into export-conversations

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,3 +1,15 @@
-<!-- Please read https://github.com/matrix-org/matrix-js-sdk/blob/develop/CONTRIBUTING.rst before submitting your pull request -->
+<!-- Please read https://github.com/matrix-org/matrix-js-sdk/blob/develop/CONTRIBUTING.md before submitting your pull request -->
 
-<!-- Include a Sign-Off as described in https://github.com/matrix-org/matrix-js-sdk/blob/develop/CONTRIBUTING.rst#sign-off -->
+<!-- Include a Sign-Off as described in https://github.com/matrix-org/matrix-js-sdk/blob/develop/CONTRIBUTING.md#sign-off -->
+
+<!-- To specify text for the changelog entry (otherwise the PR title will be used):
+Notes:
+
+Changes in this project generate changelog entries in element-web by default.
+To suppress this:
+
+element-web notes: none
+
+...or to specify different notes:
+element-web notes: <notes>
+-->

.github/workflows/develop.yml

@@ -1,5 +1,8 @@
 name: Develop
 on:
+    # These tests won't work for non-develop branches at the moment as they
+    # won't pull in the right versions of other repos, so they're only enabled
+    # on develop.
     push:
         branches: [develop]
     pull_request:

.gitignore

@@ -15,3 +15,6 @@ package-lock.json
 
 .DS_Store
 *.tmp
+
+.vscode
+.vscode/

__mocks__/FontManager.js

@@ -0,0 +1,6 @@
+// Stub out FontManager for tests as it doesn't validate anything we don't already know given
+// our fixed test environment and it requires the installation of node-canvas.
+
+module.exports = {
+    fixupColorFonts: () => Promise.resolve(),
+};

__mocks__/workerMock.js

@@ -0,0 +1 @@
+module.exports = jest.fn();

package.json

@@ -129,6 +129,7 @@
     "@types/classnames": "^2.2.11",
     "@types/commonmark": "^0.27.4",
     "@types/counterpart": "^0.18.1",
+    "@types/css-font-loading-module": "^0.0.6",
     "@types/diff-match-patch": "^1.0.32",
     "@types/flux": "^3.1.9",
     "@types/jest": "^26.0.20",
@@ -189,7 +190,8 @@
       "\\$webapp/i18n/languages.json": "<rootDir>/__mocks__/languages.json",
       "decoderWorker\\.min\\.js": "<rootDir>/__mocks__/empty.js",
       "decoderWorker\\.min\\.wasm": "<rootDir>/__mocks__/empty.js",
-      "waveWorker\\.min\\.js": "<rootDir>/__mocks__/empty.js"
+      "waveWorker\\.min\\.js": "<rootDir>/__mocks__/empty.js",
+      "workers/(.+)\\.worker\\.ts": "<rootDir>/__mocks__/workerMock.js"
     },
     "transformIgnorePatterns": [
       "/node_modules/(?!matrix-js-sdk).+$"

res/css/_components.scss

@@ -121,6 +121,7 @@
 @import "./views/elements/_AddressTile.scss";
 @import "./views/elements/_DesktopBuildsNotice.scss";
 @import "./views/elements/_DesktopCapturerSourcePicker.scss";
+@import "./views/elements/_DialPadBackspaceButton.scss";
 @import "./views/elements/_DirectorySearchBox.scss";
 @import "./views/elements/_Dropdown.scss";
 @import "./views/elements/_EditableItemList.scss";
@@ -149,6 +150,7 @@
 @import "./views/elements/_StyledCheckbox.scss";
 @import "./views/elements/_StyledRadioButton.scss";
 @import "./views/elements/_SyntaxHighlight.scss";
+@import "./views/elements/_TagComposer.scss";
 @import "./views/elements/_TextWithTooltip.scss";
 @import "./views/elements/_ToggleSwitch.scss";
 @import "./views/elements/_Tooltip.scss";
@@ -164,6 +166,7 @@
 @import "./views/messages/_MEmoteBody.scss";
 @import "./views/messages/_MFileBody.scss";
 @import "./views/messages/_MImageBody.scss";
+@import "./views/messages/_MImageReplyBody.scss";
 @import "./views/messages/_MJitsiWidgetEvent.scss";
 @import "./views/messages/_MNoticeBody.scss";
 @import "./views/messages/_MStickerBody.scss";
@@ -213,6 +216,7 @@
 @import "./views/rooms/_PinnedEventTile.scss";
 @import "./views/rooms/_PresenceLabel.scss";
 @import "./views/rooms/_ReplyPreview.scss";
+@import "./views/rooms/_ReplyTile.scss";
 @import "./views/rooms/_RoomBreadcrumbs.scss";
 @import "./views/rooms/_RoomHeader.scss";
 @import "./views/rooms/_RoomList.scss";
@@ -261,9 +265,9 @@
 @import "./views/toasts/_NonUrgentEchoFailureToast.scss";
 @import "./views/verification/_VerificationShowSas.scss";
 @import "./views/voip/_CallContainer.scss";
+@import "./views/voip/_CallPreview.scss";
 @import "./views/voip/_CallView.scss";
 @import "./views/voip/_CallViewForRoom.scss";
-@import "./views/voip/_CallPreview.scss";
 @import "./views/voip/_DialPad.scss";
 @import "./views/voip/_DialPadContextMenu.scss";
 @import "./views/voip/_DialPadModal.scss";

res/css/structures/_TabbedView.scss

@@ -1,6 +1,7 @@
 /*
 Copyright 2017 Travis Ralston
 Copyright 2019 New Vector Ltd
+Copyright 2021 The Matrix.org Foundation C.I.C.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -20,7 +21,6 @@ limitations under the License.
     padding: 0 0 0 16px;
     display: flex;
     flex-direction: column;
-    position: absolute;
     top: 0;
     bottom: 0;
     left: 0;
@@ -28,11 +28,93 @@ limitations under the License.
     margin-top: 8px;
 }
 
+.mx_TabbedView_tabsOnLeft {
+    flex-direction: column;
+    position: absolute;
+
+    .mx_TabbedView_tabLabels {
+        width: 170px;
+        max-width: 170px;
+        position: fixed;
+    }
+
+    .mx_TabbedView_tabPanel {
+        margin-left: 240px; // 170px sidebar + 70px padding
+        flex-direction: column;
+    }
+
+    .mx_TabbedView_tabLabel_active {
+        background-color: $tab-label-active-bg-color;
+        color: $tab-label-active-fg-color;
+    }
+
+    .mx_TabbedView_tabLabel_active .mx_TabbedView_maskedIcon::before {
+        background-color: $tab-label-active-icon-bg-color;
+    }
+
+    .mx_TabbedView_maskedIcon {
+        width: 16px;
+        height: 16px;
+        margin-left: 8px;
+        margin-right: 16px;
+    }
+
+    .mx_TabbedView_maskedIcon::before {
+        mask-size: 16px;
+        width: 16px;
+        height: 16px;
+    }
+}
+
+.mx_TabbedView_tabsOnTop {
+    flex-direction: column;
+
+    .mx_TabbedView_tabLabels {
+        display: flex;
+        margin-bottom: 8px;
+    }
+
+    .mx_TabbedView_tabLabel {
+        padding-left: 0px;
+        padding-right: 52px;
+
+        .mx_TabbedView_tabLabel_text {
+            font-size: 15px;
+            color: $tertiary-fg-color;
+        }
+    }
+
+    .mx_TabbedView_tabPanel {
+        flex-direction: row;
+    }
+
+    .mx_TabbedView_tabLabel_active {
+        color: $accent-color;
+        .mx_TabbedView_tabLabel_text {
+            color: $accent-color;
+        }
+    }
+
+    .mx_TabbedView_tabLabel_active .mx_TabbedView_maskedIcon::before {
+        background-color: $accent-color;
+    }
+
+    .mx_TabbedView_maskedIcon {
+        width: 22px;
+        height: 22px;
+        margin-left: 0px;
+        margin-right: 8px;
+    }
+
+    .mx_TabbedView_maskedIcon::before {
+        mask-size: 22px;
+        width: inherit;
+        height: inherit;
+    }
+}
+
 .mx_TabbedView_tabLabels {
-    width: 170px;
-    max-width: 170px;
     color: $tab-label-fg-color;
-    position: fixed;
 }
 
 .mx_TabbedView_tabLabel {
@@ -46,43 +128,25 @@ limitations under the License.
     position: relative;
 }
 
-.mx_TabbedView_tabLabel_active {
-    background-color: $tab-label-active-bg-color;
-    color: $tab-label-active-fg-color;
-}
-
 .mx_TabbedView_maskedIcon {
-    margin-left: 8px;
-    margin-right: 16px;
-    width: 16px;
-    height: 16px;
     display: inline-block;
 }
 
 .mx_TabbedView_maskedIcon::before {
     display: inline-block;
-    background-color: $tab-label-icon-bg-color;
+    background-color: $icon-button-color;
     mask-repeat: no-repeat;
-    mask-size: 16px;
-    width: 16px;
-    height: 16px;
     mask-position: center;
     content: '';
 }
 
-.mx_TabbedView_tabLabel_active .mx_TabbedView_maskedIcon::before {
-    background-color: $tab-label-active-icon-bg-color;
-}
-
 .mx_TabbedView_tabLabel_text {
     vertical-align: middle;
 }
 
 .mx_TabbedView_tabPanel {
-    margin-left: 240px; // 170px sidebar + 70px padding
     flex-grow: 1;
     display: flex;
-    flex-direction: column;
     min-height: 0; // firefox
 }
 

res/css/views/audio_messages/_PlaybackContainer.scss

@@ -49,4 +49,8 @@ limitations under the License.
         padding-right: 6px; // with the fixed width this ends up as a visual 8px most of the time, as intended.
         padding-left: 8px; // isolate from recording circle / play control
     }
+
+    &.mx_VoiceMessagePrimaryContainer_noWaveform {
+        max-width: 162px; // with all the padding this results in 185px wide
+    }
 }

res/css/views/dialogs/_InviteDialog.scss

@@ -14,6 +14,10 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
+.mx_InviteDialog_transferWrapper .mx_Dialog {
+    padding-bottom: 16px;
+}
+
 .mx_InviteDialog_addressBar {
     display: flex;
     flex-direction: row;
@@ -286,16 +290,41 @@ limitations under the License.
     }
 }
 
-.mx_InviteDialog {
+.mx_InviteDialog_other {
     // Prevent the dialog from jumping around randomly when elements change.
     height: 600px;
     padding-left: 20px; // the design wants some padding on the left
-    display: flex;
+
+    .mx_InviteDialog_userSections {
+        height: calc(100% - 115px); // mx_InviteDialog's height minus some for the upper and lower elements
+    }
+}
+
+.mx_InviteDialog_content {
+    height: calc(100% - 36px); // full height minus the size of the header
+    overflow: hidden;
+}
+
+.mx_InviteDialog_transfer {
+    width: 496px;
+    height: 466px;
     flex-direction: column;
 
     .mx_InviteDialog_content {
-        overflow: hidden;
+        flex-direction: column;
-        height: 100%;
+
+        .mx_TabbedView {
+            height: calc(100% - 60px);
+        }
+        overflow: visible;
+    }
+
+    .mx_InviteDialog_addressBar {
+        margin-top: 8px;
+    }
+
+    input[type="checkbox"] {
+        margin-right: 8px;
     }
 }
 
@@ -303,7 +332,6 @@ limitations under the License.
     margin-top: 4px;
     overflow-y: auto;
     padding: 0 45px 4px 0;
-    height: calc(100% - 115px); // mx_InviteDialog's height minus some for the upper and lower elements
 }
 
 .mx_InviteDialog_hasFooter .mx_InviteDialog_userSections {
@@ -318,6 +346,74 @@ limitations under the License.
     padding: 0;
 }
 
+.mx_InviteDialog_dialPad .mx_InviteDialog_dialPadField {
+    border-top: 0;
+    border-left: 0;
+    border-right: 0;
+    border-radius: 0;
+    margin-top: 0;
+    border-color: $quaternary-fg-color;
+
+    input {
+        font-size: 18px;
+        font-weight: 600;
+        padding-top: 0;
+    }
+}
+
+.mx_InviteDialog_dialPad .mx_InviteDialog_dialPadField:focus-within {
+    border-color: $accent-color;
+}
+
+.mx_InviteDialog_dialPadField .mx_Field_postfix {
+    /* Remove border separator between postfix and field content */
+    border-left: none;
+}
+
+.mx_InviteDialog_dialPad {
+    width: 224px;
+    margin-top: 16px;
+    margin-left: auto;
+    margin-right: auto;
+}
+
+.mx_InviteDialog_dialPad .mx_DialPad {
+    row-gap: 16px;
+    column-gap: 48px;
+
+    margin-left: auto;
+    margin-right: auto;
+}
+
+.mx_InviteDialog_transferConsultConnect {
+    padding-top: 16px;
+    /* This wants a drop shadow the full width of the dialog, so relative-position it
+     * and make it wider, then compensate with padding
+     */
+    position: relative;
+    width: 496px;
+    left: -24px;
+    padding-left: 24px;
+    padding-right: 24px;
+    border-top: 1px solid $message-body-panel-bg-color;
+
+    display: flex;
+    flex-direction: row;
+    align-items: center;
+}
+
+.mx_InviteDialog_transferConsultConnect_pushRight {
+    margin-left: auto;
+}
+
+.mx_InviteDialog_userDirectoryIcon::before {
+    mask-image: url('$(res)/img/voip/tab-userdirectory.svg');
+}
+
+.mx_InviteDialog_dialPadIcon::before {
+    mask-image: url('$(res)/img/voip/tab-dialpad.svg');
+}
+
 .mx_InviteDialog_multiInviterError {
     > h4 {
         font-size: $font-15px;

res/css/views/elements/_DialPadBackspaceButton.scss

@@ -0,0 +1,40 @@
+/*
+Copyright 2021 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+.mx_DialPadBackspaceButton {
+    position: relative;
+    height: 28px;
+    width: 28px;
+
+    &::before {
+        /* force this element to appear on the DOM */
+        content: "";
+
+        background-color: #8D97A5;
+        width: inherit;
+        height: inherit;
+        top: 0px;
+        left: 0px;
+        position: absolute;
+        display: inline-block;
+        vertical-align: middle;
+
+        mask-image: url('$(res)/img/element-icons/call/delete.svg');
+        mask-position: 8px;
+        mask-size: 20px;
+        mask-repeat: no-repeat;
+    }
+}

res/css/views/elements/_ImageView.scss

@@ -14,6 +14,10 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
+$button-size: 32px;
+$icon-size: 22px;
+$button-gap: 24px;
+
 .mx_ImageView {
     display: flex;
     width: 100%;
@@ -66,16 +70,17 @@ limitations under the License.
     pointer-events: initial;
     display: flex;
     align-items: center;
+    gap: calc($button-gap - ($button-size - $icon-size));
 }
 
 .mx_ImageView_button {
-    margin-left: 24px;
+    padding: calc(($button-size - $icon-size) / 2);
     display: block;
 
     &::before {
         content: '';
-        height: 22px;
+        height: $icon-size;
-        width: 22px;
+        width: $icon-size;
         mask-repeat: no-repeat;
         mask-size: contain;
         mask-position: center;
@@ -109,11 +114,12 @@ limitations under the License.
 }
 
 .mx_ImageView_button_close {
+    padding: calc($button-size - $button-size);
     border-radius: 100%;
     background: #21262c; // same on all themes
     &::before {
-        width: 32px;
+        width: $button-size;
-        height: 32px;
+        height: $button-size;
         mask-image: url('$(res)/img/image-view/close.svg');
         mask-size: 40%;
     }

res/css/views/elements/_ReplyThread.scss

@@ -16,22 +16,45 @@ limitations under the License.
 
 .mx_ReplyThread {
     margin-top: 0;
-}
-
-.mx_ReplyThread .mx_DateSeparator {
-    font-size: 1em !important;
-    margin-top: 0;
-    margin-bottom: 0;
-    padding-bottom: 1px;
-    bottom: -5px;
-}
-
-.mx_ReplyThread_show {
-    cursor: pointer;
-}
-
-blockquote.mx_ReplyThread {
     margin-left: 0;
+    margin-right: 0;
+    margin-bottom: 8px;
     padding-left: 10px;
-    border-left: 4px solid $blockquote-bar-color;
+    border-left: 4px solid $button-bg-color;
+
+    .mx_ReplyThread_show {
+        cursor: pointer;
+    }
+
+    &.mx_ReplyThread_color1 {
+        border-left-color: $username-variant1-color;
+    }
+
+    &.mx_ReplyThread_color2 {
+        border-left-color: $username-variant2-color;
+    }
+
+    &.mx_ReplyThread_color3 {
+        border-left-color: $username-variant3-color;
+    }
+
+    &.mx_ReplyThread_color4 {
+        border-left-color: $username-variant4-color;
+    }
+
+    &.mx_ReplyThread_color5 {
+        border-left-color: $username-variant5-color;
+    }
+
+    &.mx_ReplyThread_color6 {
+        border-left-color: $username-variant6-color;
+    }
+
+    &.mx_ReplyThread_color7 {
+        border-left-color: $username-variant7-color;
+    }
+
+    &.mx_ReplyThread_color8 {
+        border-left-color: $username-variant8-color;
+    }
 }

res/css/views/elements/_TagComposer.scss

@@ -0,0 +1,77 @@
+/*
+Copyright 2021 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+.mx_TagComposer {
+    .mx_TagComposer_input {
+        display: flex;
+
+        .mx_Field {
+            flex: 1;
+            margin: 0; // override from field styles
+        }
+
+        .mx_AccessibleButton {
+            min-width: 70px;
+            padding: 0; // override from button styles
+            margin-left: 16px; // distance from <Field>
+        }
+
+        .mx_Field, .mx_Field input, .mx_AccessibleButton {
+            // So they look related to each other by feeling the same
+            border-radius: 8px;
+        }
+    }
+
+    .mx_TagComposer_tags {
+        display: flex;
+        flex-wrap: wrap;
+        margin-top: 12px; // this plus 12px from the tags makes 24px from the input
+
+        .mx_TagComposer_tag {
+            padding: 6px 8px 8px 12px;
+            position: relative;
+            margin-right: 12px;
+            margin-top: 12px;
+
+            // Cheaty way to get an opacified variable colour background
+            &::before {
+                content: '';
+                border-radius: 20px;
+                background-color: $tertiary-fg-color;
+                opacity: 0.15;
+                position: absolute;
+                top: 0;
+                left: 0;
+                width: 100%;
+                height: 100%;
+
+                // Pass through the pointer otherwise we have effectively put a whole div
+                // on top of the component, which makes it hard to interact with buttons.
+                pointer-events: none;
+            }
+        }
+
+        .mx_AccessibleButton {
+            background-image: url('$(res)/img/subtract.svg');
+            width: 16px;
+            height: 16px;
+            margin-left: 8px;
+            display: inline-block;
+            vertical-align: middle;
+            cursor: pointer;
+        }
+    }
+}

res/css/views/messages/_MFileBody.scss

@@ -83,12 +83,12 @@ limitations under the License.
             mask-size: cover;
             mask-image: url('$(res)/img/element-icons/room/composer/attach.svg');
             background-color: $message-body-panel-icon-fg-color;
-            width: 13px;
+            width: 15px;
             height: 15px;
 
             position: absolute;
             top: 8px;
-            left: 9px;
+            left: 8px;
         }
     }
 

res/css/views/messages/_MImageReplyBody.scss

@@ -0,0 +1,37 @@
+/*
+Copyright 2020 Tulir Asokan <tulir@maunium.net>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+.mx_MImageReplyBody {
+    display: flex;
+
+    .mx_MImageBody_thumbnail_container {
+        flex: 1;
+        margin-right: 4px;
+    }
+
+    .mx_MImageReplyBody_info {
+        flex: 1;
+
+        .mx_MImageReplyBody_sender {
+            grid-area: sender;
+        }
+
+        .mx_MImageReplyBody_filename {
+            grid-area: filename;
+        }
+    }
+}
+

res/css/views/rooms/_IRCLayout.scss

@@ -198,8 +198,9 @@ $irc-line-height: $font-18px;
     .mx_ReplyThread {
         margin: 0;
         .mx_SenderProfile {
+            order: unset;
+            max-width: unset;
             width: unset;
-            max-width: var(--name-width);
             background: transparent;
         }
 

res/css/views/rooms/_ReplyPreview.scss

@@ -22,28 +22,34 @@ limitations under the License.
     max-height: 50vh;
     overflow: auto;
     box-shadow: 0px -16px 32px $composer-shadow-color;
+
+    .mx_ReplyPreview_section {
+        border-bottom: 1px solid $primary-hairline-color;
+
+        .mx_ReplyPreview_header {
+            margin: 8px;
+            color: $primary-fg-color;
+            font-weight: 400;
+            opacity: 0.4;
+        }
+
+        .mx_ReplyPreview_tile {
+            margin: 0 8px;
+        }
+
+        .mx_ReplyPreview_title {
+            float: left;
+        }
+
+        .mx_ReplyPreview_cancel {
+            float: right;
+            cursor: pointer;
+            display: flex;
+        }
+
+        .mx_ReplyPreview_clear {
+            clear: both;
+        }
+    }
 }
 
-.mx_ReplyPreview_section {
-    border-bottom: 1px solid $primary-hairline-color;
-}
-
-.mx_ReplyPreview_header {
-    margin: 12px;
-    color: $primary-fg-color;
-    font-weight: 400;
-    opacity: 0.4;
-}
-
-.mx_ReplyPreview_title {
-    float: left;
-}
-
-.mx_ReplyPreview_cancel {
-    float: right;
-    cursor: pointer;
-}
-
-.mx_ReplyPreview_clear {
-    clear: both;
-}

res/css/views/rooms/_ReplyTile.scss

@@ -0,0 +1,119 @@
+/*
+Copyright 2020 Tulir Asokan <tulir@maunium.net>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+.mx_ReplyTile {
+    position: relative;
+    padding: 2px 0;
+    font-size: $font-14px;
+    line-height: $font-16px;
+
+    &.mx_ReplyTile_audio .mx_MFileBody_info_icon::before {
+        mask-image: url("$(res)/img/element-icons/speaker.svg");
+    }
+
+    &.mx_ReplyTile_video .mx_MFileBody_info_icon::before {
+        mask-image: url("$(res)/img/element-icons/call/video-call.svg");
+    }
+
+    .mx_MFileBody {
+        .mx_MFileBody_info {
+            margin: 5px 0;
+        }
+
+        .mx_MFileBody_download {
+            display: none;
+        }
+    }
+
+    > a {
+        display: flex;
+        flex-direction: column;
+        text-decoration: none;
+        color: $primary-fg-color;
+    }
+
+    .mx_RedactedBody {
+        padding: 4px 0 2px 20px;
+
+        &::before {
+            height: 13px;
+            width: 13px;
+            top: 5px;
+        }
+    }
+
+    // We do reply size limiting with CSS to avoid duplicating the TextualBody component.
+    .mx_EventTile_content {
+        $reply-lines: 2;
+        $line-height: $font-22px;
+
+        pointer-events: none;
+
+        text-overflow: ellipsis;
+        display: -webkit-box;
+        -webkit-box-orient: vertical;
+        -webkit-line-clamp: $reply-lines;
+        line-height: $line-height;
+
+        .mx_EventTile_body.mx_EventTile_bigEmoji {
+            line-height: $line-height !important;
+            font-size: $font-14px !important; // Override the big emoji override
+        }
+
+        // Hide line numbers
+        .mx_EventTile_lineNumbers {
+            display: none;
+        }
+
+        // Hack to cut content in <pre> tags too
+        .mx_EventTile_pre_container > pre {
+            overflow: hidden;
+            text-overflow: ellipsis;
+            display: -webkit-box;
+            -webkit-box-orient: vertical;
+            -webkit-line-clamp: $reply-lines;
+            padding: 4px;
+        }
+
+        .markdown-body blockquote,
+        .markdown-body dl,
+        .markdown-body ol,
+        .markdown-body p,
+        .markdown-body pre,
+        .markdown-body table,
+        .markdown-body ul {
+            margin-bottom: 4px;
+        }
+    }
+
+    &.mx_ReplyTile_info {
+        padding-top: 0;
+    }
+
+    .mx_SenderProfile {
+        font-size: $font-14px;
+        line-height: $font-17px;
+
+        display: inline-block; // anti-zalgo, with overflow hidden
+        padding: 0;
+        margin: 0;
+
+        // truncate long display names
+        overflow: hidden;
+        white-space: nowrap;
+        text-overflow: ellipsis;
+    }
+}

res/css/views/rooms/_RoomTile.scss

@@ -193,6 +193,10 @@ limitations under the License.
         mask-image: url('$(res)/img/element-icons/settings.svg');
     }
 
+    .mx_RoomTile_iconCopyLink::before {
+        mask-image: url('$(res)/img/element-icons/link.svg');
+    }
+
     .mx_RoomTile_iconInvite::before {
         mask-image: url('$(res)/img/element-icons/room/invite.svg');
     }

res/css/views/settings/_Notifications.scss

@@ -1,5 +1,5 @@
 /*
-Copyright 2015, 2016 OpenMarket Ltd
+Copyright 2015 - 2021 The Matrix.org Foundation C.I.C.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -14,82 +14,79 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-.mx_UserNotifSettings_tableRow {
+.mx_UserNotifSettings {
-    display: table-row;
+    color: $primary-fg-color; // override from default settings page styles
-}
 
-.mx_UserNotifSettings_inputCell {
+    .mx_UserNotifSettings_pushRulesTable {
-    display: table-cell;
+        width: calc(100% + 12px); // +12px to line up center of 'Noisy' column with toggle switches
-    padding-bottom: 8px;
+        table-layout: fixed;
-    padding-right: 8px;
+        border-collapse: collapse;
-    width: 16px;
+        border-spacing: 0;
-}
+        margin-top: 40px;
 
-.mx_UserNotifSettings_labelCell {
+        tr > th {
-    padding-bottom: 8px;
+            font-weight: $font-semi-bold;
-    width: 400px;
+        }
-    display: table-cell;
-}
 
-.mx_UserNotifSettings_pushRulesTableWrapper {
+        tr > th:first-child {
-    padding-bottom: 8px;
+            text-align: left;
-}
+            font-size: $font-18px;
+        }
 
-.mx_UserNotifSettings_pushRulesTable {
+        tr > th:nth-child(n + 2) {
-    width: 100%;
+            color: $secondary-fg-color;
-    table-layout: fixed;
+            font-size: $font-12px;
-}
+            vertical-align: middle;
+            width: 66px;
+        }
 
-.mx_UserNotifSettings_pushRulesTable thead {
+        tr > td:nth-child(n + 2) {
-    font-weight: bold;
+            text-align: center;
-}
+        }
 
-.mx_UserNotifSettings_pushRulesTable tbody th {
+        tr > td {
-    font-weight: 400;
+            padding-top: 8px;
-}
+        }
 
-.mx_UserNotifSettings_pushRulesTable tbody th:first-child {
+        // Override StyledRadioButton default styles
-    text-align: left;
+        .mx_RadioButton {
-}
+            justify-content: center;
 
-.mx_UserNotifSettings_keywords {
+            .mx_RadioButton_content {
-    cursor: pointer;
+                display: none;
-    color: $accent-color;
+            }
-}
 
-.mx_UserNotifSettings_devicesTable td {
+            .mx_RadioButton_spacer {
-    padding-left: 20px;
+                display: none;
-    padding-right: 20px;
+            }
-}
+        }
+    }
 
-.mx_UserNotifSettings_notifTable {
+    .mx_UserNotifSettings_floatingSection {
-    display: table;
+        margin-top: 40px;
-    position: relative;
-}
 
-.mx_UserNotifSettings_notifTable .mx_Spinner {
+        & > div:first-child { // section header
-    position: absolute;
+            font-size: $font-18px;
-}
+            font-weight: $font-semi-bold;
+        }
 
-.mx_NotificationSound_soundUpload {
+        > table {
-    display: none;
+            border-collapse: collapse;
-}
+            border-spacing: 0;
+            margin-top: 8px;
 
-.mx_NotificationSound_browse {
+            tr > td:first-child {
-    color: $accent-color;
+                // Just for a bit of spacing
-    border: 1px solid $accent-color;
+                padding-right: 8px;
-    background-color: transparent;
+            }
-}
+        }
+    }
 
-.mx_NotificationSound_save {
+    .mx_UserNotifSettings_clearNotifsButton {
-    margin-left: 5px;
+        margin-top: 8px;
-    color: white;
+    }
-    background-color: $accent-color;
-}
 
-.mx_NotificationSound_resetSound {
+    .mx_TagComposer {
-    margin-top: 5px;
+        margin-top: 35px; // lots of distance from the last line of the table
-    color: white;
+    }
-    border: $warning-color;
-    background-color: $warning-color;
 }

res/css/views/voip/_DialPad.scss

@@ -16,11 +16,21 @@ limitations under the License.
 
 .mx_DialPad {
     display: grid;
+    row-gap: 16px;
+    column-gap: 0px;
+    margin-top: 24px;
+    margin-left: auto;
+    margin-right: auto;
+
+    /* squeeze the dial pad buttons together horizontally */
     grid-template-columns: repeat(3, 1fr);
-    gap: 16px;
 }
 
 .mx_DialPad_button {
+    display: flex;
+    flex-direction: column;
+    justify-content: center;
+
     width: 40px;
     height: 40px;
     background-color: $dialpad-button-bg-color;
@@ -29,10 +39,19 @@ limitations under the License.
     font-weight: 600;
     text-align: center;
     vertical-align: middle;
-    line-height: 40px;
+    margin-left: auto;
+    margin-right: auto;
 }
 
-.mx_DialPad_deleteButton, .mx_DialPad_dialButton {
+.mx_DialPad_button .mx_DialPad_buttonSubText {
+    font-size: 8px;
+}
+
+.mx_DialPad_dialButton {
+    /* Always show the dial button in the center grid column */
+    grid-column: 2;
+    background-color: $accent-color;
+
     &::before {
         content: '';
         display: inline-block;
@@ -42,21 +61,7 @@ limitations under the License.
         mask-repeat: no-repeat;
         mask-size: 20px;
         mask-position: center;
-        background-color: $primary-bg-color;
+        background-color: #FFF; // on all themes
-    }
-}
-
-.mx_DialPad_deleteButton {
-    background-color: $notice-primary-color;
-    &::before {
-        mask-image: url('$(res)/img/element-icons/call/delete.svg');
-        mask-position: 9px; // delete icon is right-heavy so have to be slightly to the left to look centered
-    }
-}
-
-.mx_DialPad_dialButton {
-    background-color: $accent-color;
-    &::before {
         mask-image: url('$(res)/img/element-icons/call/voice-call.svg');
     }
 }

res/css/views/voip/_DialPadContextMenu.scss

@@ -14,10 +14,40 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
+.mx_DialPadContextMenu_dialPad .mx_DialPad {
+    row-gap: 16px;
+    column-gap: 32px;
+}
+
+.mx_DialPadContextMenuWrapper {
+    padding: 15px;
+}
+
 .mx_DialPadContextMenu_header {
-    margin-top: 12px;
+    border: none;
-    margin-left: 12px;
+    margin-top: 32px;
-    margin-right: 12px;
+    margin-left: 20px;
+    margin-right: 20px;
+
+    /* a separator between the input line and the dial buttons */
+    border-bottom: 1px solid $quaternary-fg-color;
+    transition: border-bottom 0.25s;
+}
+
+.mx_DialPadContextMenu_cancel {
+    float: right;
+    mask: url('$(res)/img/feather-customised/cancel.svg');
+    mask-repeat: no-repeat;
+    mask-position: center;
+    mask-size: cover;
+    width: 14px;
+    height: 14px;
+    background-color: $dialog-close-fg-color;
+    cursor: pointer;
+}
+
+.mx_DialPadContextMenu_header:focus-within {
+    border-bottom: 1px solid $accent-color;
 }
 
 .mx_DialPadContextMenu_title {
@@ -30,7 +60,6 @@ limitations under the License.
     height: 1.5em;
     font-size: 18px;
     font-weight: 600;
-    max-width: 150px;
     border: none;
     margin: 0px;
 }
@@ -38,7 +67,7 @@ limitations under the License.
     font-size: 18px;
     font-weight: 600;
     overflow: hidden;
-    max-width: 150px;
+    max-width: 185px;
     text-align: left;
     direction: rtl;
     padding: 8px 0px;
@@ -48,13 +77,3 @@ limitations under the License.
 .mx_DialPadContextMenu_dialPad {
     margin: 16px;
 }
-
-.mx_DialPadContextMenu_horizSep {
-    position: relative;
-    &::before {
-        content: '';
-        position: absolute;
-        width: 100%;
-        border-bottom: 1px solid $input-darker-bg-color;
-    }
-}

res/css/views/voip/_DialPadModal.scss

@@ -19,14 +19,23 @@ limitations under the License.
 }
 
 .mx_DialPadModal {
-    width: 192px;
+    width: 292px;
-    height: 368px;
+    height: 370px;
+    padding: 16px 0px 0px 0px;
 }
 
 .mx_DialPadModal_header {
-    margin-top: 12px;
+    margin-top: 32px;
-    margin-left: 12px;
+    margin-left: 40px;
-    margin-right: 12px;
+    margin-right: 40px;
+
+    /* a separator between the input line and the dial buttons */
+    border-bottom: 1px solid $quaternary-fg-color;
+    transition: border-bottom 0.25s;
+}
+
+.mx_DialPadModal_header:focus-within {
+    border-bottom: 1px solid $accent-color;
 }
 
 .mx_DialPadModal_title {
@@ -45,11 +54,18 @@ limitations under the License.
     height: 14px;
     background-color: $dialog-close-fg-color;
     cursor: pointer;
+    margin-right: 16px;
 }
 
 .mx_DialPadModal_field {
     border: none;
     margin: 0px;
+    height: 30px;
+}
+
+.mx_DialPadModal_field .mx_Field_postfix {
+    /* Remove border separator between postfix and field content */
+    border-left: none;
 }
 
 .mx_DialPadModal_field input {
@@ -62,13 +78,3 @@ limitations under the License.
     margin-right: 16px;
     margin-top: 16px;
 }
-
-.mx_DialPadModal_horizSep {
-    position: relative;
-    &::before {
-        content: '';
-        position: absolute;
-        width: 100%;
-        border-bottom: 1px solid $input-darker-bg-color;
-    }
-}

res/img/element-icons/speaker.svg

@@ -0,0 +1,5 @@
+<svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M7.97991 1.48403L4 4.80062L1 4.80062C0.447715 4.80062 0 5.24834 0 5.80062V10.2006C0 10.7529 0.447714 11.2006 0.999999 11.2006L4 11.2006L7.97991 14.5172C8.30557 14.7886 8.8 14.557 8.8 14.1331V1.86814C8.8 1.44422 8.30557 1.21265 7.97991 1.48403Z" fill="#737D8C"/>
+<path d="M14.1258 2.79107C13.8998 2.50044 13.4809 2.44808 13.1903 2.67413C12.9 2.89992 12.8475 3.3181 13.0726 3.6087L13.0731 3.60935L13.0738 3.61021L13.0829 3.62231C13.0917 3.63418 13.1059 3.65355 13.1248 3.68011C13.1625 3.73326 13.2187 3.81496 13.2872 3.92256C13.4243 4.13812 13.6097 4.45554 13.7955 4.85371C14.169 5.65407 14.5329 6.75597 14.5329 8.00036C14.5329 9.24475 14.169 10.3466 13.7955 11.147C13.6097 11.5452 13.4243 11.8626 13.2872 12.0782C13.2187 12.1858 13.1625 12.2675 13.1248 12.3206C13.1059 12.3472 13.0917 12.3665 13.0829 12.3784L13.0738 12.3905L13.0731 12.3914L13.0725 12.3921C12.8475 12.6827 12.9 13.1008 13.1903 13.3266C13.4809 13.5526 13.8998 13.5003 14.1258 13.2097L13.629 12.8232C14.1258 13.2096 14.1258 13.2097 14.1258 13.2097L14.1272 13.2079L14.1291 13.2055L14.1346 13.1982L14.1523 13.1748C14.1669 13.1552 14.187 13.1277 14.2119 13.0926C14.2617 13.0225 14.3305 12.9221 14.4121 12.794C14.5749 12.5381 14.7895 12.1698 15.0037 11.7109C15.4302 10.7969 15.8663 9.49883 15.8663 8.00036C15.8663 6.50189 15.4302 5.20379 15.0037 4.28987C14.7895 3.83089 14.5749 3.4626 14.4121 3.20673C14.3305 3.07862 14.2617 2.97818 14.2119 2.90811C14.187 2.87306 14.1669 2.84556 14.1523 2.82596L14.1346 2.80249L14.1291 2.79525L14.1272 2.79278L14.1264 2.79183C14.1264 2.79183 14.1258 2.79107 13.5996 3.20036L14.1258 2.79107Z" fill="#737D8C"/>
+<path d="M11.7264 5.19121C11.5004 4.90058 11.0815 4.84823 10.7909 5.07427C10.501 5.29973 10.4482 5.71698 10.6722 6.00752L10.6745 6.01057C10.6775 6.01457 10.6831 6.02223 10.691 6.03338C10.7069 6.05572 10.7318 6.09189 10.7628 6.14057C10.8249 6.23827 10.9103 6.38426 10.9961 6.56815C11.1696 6.93993 11.3335 7.44183 11.3335 8.00051C11.3335 8.55918 11.1696 9.06108 10.9961 9.43287C10.9103 9.61675 10.8249 9.76275 10.7628 9.86045C10.7318 9.90912 10.7069 9.94529 10.691 9.96763C10.6831 9.97879 10.6775 9.98645 10.6745 9.99044L10.6722 9.9935C10.4482 10.284 10.501 10.7013 10.7909 10.9267C11.0815 11.1528 11.5004 11.1004 11.7264 10.8098L11.2002 10.4005C11.7264 10.8098 11.7264 10.8098 11.7264 10.8098L11.7276 10.8083L11.7291 10.8064L11.7329 10.8014L11.7439 10.7868C11.7526 10.7751 11.7642 10.7593 11.7781 10.7396C11.806 10.7004 11.8436 10.6455 11.8876 10.5763C11.9755 10.4383 12.0901 10.2414 12.2043 9.99672C12.4308 9.51136 12.6669 8.81326 12.6669 8.00051C12.6669 7.18775 12.4308 6.48965 12.2043 6.0043C12.0901 5.75961 11.9755 5.56275 11.8876 5.42473C11.8436 5.35555 11.806 5.30065 11.7781 5.26138C11.7642 5.24173 11.7526 5.22596 11.7439 5.21422L11.7329 5.19964L11.7291 5.19465L11.7276 5.19274L11.727 5.19193C11.727 5.19193 11.7264 5.19121 11.2002 5.60051L11.7264 5.19121Z" fill="#737D8C"/>
+</svg>

res/img/subtract.svg

@@ -0,0 +1,3 @@
+<svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path fill-rule="evenodd" clip-rule="evenodd" d="M8 16C12.4183 16 16 12.4183 16 8C16 3.58167 12.4183 0 8 0C3.58173 0 0 3.58167 0 8C0 12.4183 3.58173 16 8 16ZM3.96967 5.0304L6.93933 8L3.96967 10.9697L5.03033 12.0304L8 9.06067L10.9697 12.0304L12.0303 10.9697L9.06067 8L12.0303 5.0304L10.9697 3.96973L8 6.93945L5.03033 3.96973L3.96967 5.0304Z" fill="#8D97A5"/>
+</svg>

res/img/voip/tab-dialpad.svg

@@ -0,0 +1,3 @@
+<svg width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M12 19C10.9 19 10 19.9 10 21C10 22.1 10.9 23 12 23C13.1 23 14 22.1 14 21C14 19.9 13.1 19 12 19ZM6 1C4.9 1 4 1.9 4 3C4 4.1 4.9 5 6 5C7.1 5 8 4.1 8 3C8 1.9 7.1 1 6 1ZM6 7C4.9 7 4 7.9 4 9C4 10.1 4.9 11 6 11C7.1 11 8 10.1 8 9C8 7.9 7.1 7 6 7ZM6 13C4.9 13 4 13.9 4 15C4 16.1 4.9 17 6 17C7.1 17 8 16.1 8 15C8 13.9 7.1 13 6 13ZM18 5C19.1 5 20 4.1 20 3C20 1.9 19.1 1 18 1C16.9 1 16 1.9 16 3C16 4.1 16.9 5 18 5ZM12 13C10.9 13 10 13.9 10 15C10 16.1 10.9 17 12 17C13.1 17 14 16.1 14 15C14 13.9 13.1 13 12 13ZM18 13C16.9 13 16 13.9 16 15C16 16.1 16.9 17 18 17C19.1 17 20 16.1 20 15C20 13.9 19.1 13 18 13ZM18 7C16.9 7 16 7.9 16 9C16 10.1 16.9 11 18 11C19.1 11 20 10.1 20 9C20 7.9 19.1 7 18 7ZM12 7C10.9 7 10 7.9 10 9C10 10.1 10.9 11 12 11C13.1 11 14 10.1 14 9C14 7.9 13.1 7 12 7ZM12 1C10.9 1 10 1.9 10 3C10 4.1 10.9 5 12 5C13.1 5 14 4.1 14 3C14 1.9 13.1 1 12 1Z" fill="#8D97A5"/>
+</svg>

res/img/voip/tab-userdirectory.svg

@@ -0,0 +1,7 @@
+<svg width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
+<mask id="path-1-inside-1" fill="white">
+<path fill-rule="evenodd" clip-rule="evenodd" d="M18.1502 21.1214C16.3946 22.3074 14.2782 23 12 23C9.52367 23 7.23845 22.1817 5.4 20.8008C2.72821 18.794 1 15.5988 1 12C1 5.92487 5.92487 1 12 1C18.0751 1 23 5.92487 23 12C23 15.797 21.0762 19.1446 18.1502 21.1214ZM12 12.55C13.8225 12.55 15.3 10.9494 15.3 8.975C15.3 7.00058 13.8225 5.4 12 5.4C10.1775 5.4 8.7 7.00058 8.7 8.975C8.7 10.9494 10.1775 12.55 12 12.55ZM12 20.8C14.3782 20.8 16.536 19.8566 18.1197 18.3237C17.1403 15.9056 14.7693 14.2 12 14.2C9.23066 14.2 6.85969 15.9056 5.88028 18.3237C7.46399 19.8566 9.62183 20.8 12 20.8Z"/>
+</mask>
+<path fill-rule="evenodd" clip-rule="evenodd" d="M18.1502 21.1214C16.3946 22.3074 14.2782 23 12 23C9.52367 23 7.23845 22.1817 5.4 20.8008C2.72821 18.794 1 15.5988 1 12C1 5.92487 5.92487 1 12 1C18.0751 1 23 5.92487 23 12C23 15.797 21.0762 19.1446 18.1502 21.1214ZM12 12.55C13.8225 12.55 15.3 10.9494 15.3 8.975C15.3 7.00058 13.8225 5.4 12 5.4C10.1775 5.4 8.7 7.00058 8.7 8.975C8.7 10.9494 10.1775 12.55 12 12.55ZM12 20.8C14.3782 20.8 16.536 19.8566 18.1197 18.3237C17.1403 15.9056 14.7693 14.2 12 14.2C9.23066 14.2 6.85969 15.9056 5.88028 18.3237C7.46399 19.8566 9.62183 20.8 12 20.8Z" fill="#8D97A5"/>
+<path d="M18.1502 21.1214L18.9339 22.2814L18.1502 21.1214ZM5.4 20.8008L4.55919 21.9202H4.55919L5.4 20.8008ZM18.1197 18.3237L19.0934 19.3296L19.7717 18.6731L19.4173 17.7981L18.1197 18.3237ZM5.88028 18.3237L4.58268 17.7981L4.22829 18.6731L4.90659 19.3296L5.88028 18.3237ZM12 24.4C14.5662 24.4 16.9541 23.619 18.9339 22.2814L17.3665 19.9613C15.835 20.9959 13.9902 21.6 12 21.6V24.4ZM4.55919 21.9202C6.63176 23.477 9.21011 24.4 12 24.4V21.6C9.83723 21.6 7.84514 20.8865 6.24081 19.6814L4.55919 21.9202ZM-0.399998 12C-0.399998 16.0577 1.55052 19.6603 4.55919 21.9202L6.24081 19.6814C3.90591 17.9276 2.4 15.1399 2.4 12H-0.399998ZM12 -0.399998C5.15167 -0.399998 -0.399998 5.15167 -0.399998 12H2.4C2.4 6.69807 6.69807 2.4 12 2.4V-0.399998ZM24.4 12C24.4 5.15167 18.8483 -0.399998 12 -0.399998V2.4C17.3019 2.4 21.6 6.69807 21.6 12H24.4ZM18.9339 22.2814C22.2288 20.0554 24.4 16.2815 24.4 12H21.6C21.6 15.3124 19.9236 18.2337 17.3665 19.9613L18.9339 22.2814ZM13.9 8.975C13.9 10.2838 12.9459 11.15 12 11.15V13.95C14.6991 13.95 16.7 11.615 16.7 8.975H13.9ZM12 6.8C12.9459 6.8 13.9 7.66616 13.9 8.975H16.7C16.7 6.335 14.6991 4 12 4V6.8ZM10.1 8.975C10.1 7.66616 11.0541 6.8 12 6.8V4C9.30086 4 7.3 6.335 7.3 8.975H10.1ZM12 11.15C11.0541 11.15 10.1 10.2838 10.1 8.975H7.3C7.3 11.615 9.30086 13.95 12 13.95V11.15ZM17.146 17.3178C15.8129 18.6081 14.0004 19.4 12 19.4V22.2C14.756 22.2 17.2591 21.1051 19.0934 19.3296L17.146 17.3178ZM12 15.6C14.1797 15.6 16.0494 16.9415 16.8221 18.8493L19.4173 17.7981C18.2312 14.8697 15.359 12.8 12 12.8V15.6ZM7.17788 18.8493C7.95058 16.9415 9.8203 15.6 12 15.6V12.8C8.64102 12.8 5.7688 14.8697 4.58268 17.7981L7.17788 18.8493ZM12 19.4C9.99963 19.4 8.18709 18.6081 6.85397 17.3178L4.90659 19.3296C6.74088 21.1051 9.24402 22.2 12 22.2V19.4Z" fill="#8D97A5" mask="url(#path-1-inside-1)"/>
+</svg>

res/themes/dark/css/_dark.scss

@@ -118,7 +118,7 @@ $voipcall-plinth-color: #394049;
 // ********************
 
 $theme-button-bg-color: #e3e8f0;
-$dialpad-button-bg-color: #6F7882;
+$dialpad-button-bg-color: #394049;
 
 $roomlist-button-bg-color: rgba(141, 151, 165, 0.2); // Buttons include the filter box, explore button, and sublist buttons
 $roomlist-filter-active-bg-color: $bg-color;

src/@types/global.d.ts

@@ -15,6 +15,8 @@ limitations under the License.
 */
 
 import "matrix-js-sdk/src/@types/global"; // load matrix-js-sdk's type extensions first
+// Load types for the WG CSS Font Loading APIs https://github.com/Microsoft/TypeScript/issues/13569
+import "@types/css-font-loading-module";
 import "@types/modernizr";
 
 import ContentMessages from "../ContentMessages";

src/@types/worker-loader.d.ts

@@ -0,0 +1,23 @@
+/*
+Copyright 2021 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+declare module "*.worker.ts" {
+    class WebpackWorker extends Worker {
+        constructor();
+    }
+
+    export default WebpackWorker;
+}

src/ActiveRoomObserver.ts

@@ -15,6 +15,7 @@ limitations under the License.
 */
 
 import RoomViewStore from './stores/RoomViewStore';
+import { EventSubscription } from 'fbemitter';
 
 type Listener = (isActive: boolean) => void;
 
@@ -30,7 +31,7 @@ type Listener = (isActive: boolean) => void;
 export class ActiveRoomObserver {
     private listeners: {[key: string]: Listener[]} = {};
     private _activeRoomId = RoomViewStore.getRoomId();
-    private readonly roomStoreToken: string;
+    private readonly roomStoreToken: EventSubscription;
 
     constructor() {
         // TODO: We could self-destruct when the last listener goes away, or at least stop listening.

src/AddThreepid.js

@@ -248,7 +248,7 @@ export default class AddThreepid {
 
     /**
      * Takes a phone number verification code as entered by the user and validates
-     * it with the ID server, then if successful, adds the phone number.
+     * it with the identity server, then if successful, adds the phone number.
      * @param {string} msisdnToken phone number verification code as entered by the user
      * @return {Promise} Resolves if the phone number was added. Rejects with an object
      * with a "message" property which contains a human-readable message detailing why

src/Avatar.ts

@@ -21,7 +21,7 @@ import { ResizeMethod } from "matrix-js-sdk/src/@types/partials";
 
 import DMRoomMap from './utils/DMRoomMap';
 import { mediaFromMxc } from "./customisations/Media";
-import SettingsStore from "./settings/SettingsStore";
+import SpaceStore from "./stores/SpaceStore";
 
 // Not to be used for BaseAvatar urls as that has similar default avatar fallback already
 export function avatarUrlForMember(
@@ -153,7 +153,7 @@ export function avatarUrlForRoom(room: Room, width: number, height: number, resi
     }
 
     // space rooms cannot be DMs so skip the rest
-    if (SettingsStore.getValue("feature_spaces") && room.isSpaceRoom()) return null;
+    if (SpaceStore.spacesEnabled && room.isSpaceRoom()) return null;
 
     let otherMember = null;
     const otherUserId = DMRoomMap.shared().getUserIdForRoomId(room.roomId);

src/BlurhashEncoder.ts

@@ -0,0 +1,60 @@
+/*
+Copyright 2021 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import { defer, IDeferred } from "matrix-js-sdk/src/utils";
+
+// @ts-ignore - `.ts` is needed here to make TS happy
+import BlurhashWorker from "./workers/blurhash.worker.ts";
+
+interface IBlurhashWorkerResponse {
+    seq: number;
+    blurhash: string;
+}
+
+export class BlurhashEncoder {
+    private static internalInstance = new BlurhashEncoder();
+
+    public static get instance(): BlurhashEncoder {
+        return BlurhashEncoder.internalInstance;
+    }
+
+    private readonly worker: Worker;
+    private seq = 0;
+    private pendingDeferredMap = new Map<number, IDeferred<string>>();
+
+    constructor() {
+        this.worker = new BlurhashWorker();
+        this.worker.onmessage = this.onMessage;
+    }
+
+    private onMessage = (ev: MessageEvent<IBlurhashWorkerResponse>) => {
+        const { seq, blurhash } = ev.data;
+        const deferred = this.pendingDeferredMap.get(seq);
+        if (deferred) {
+            this.pendingDeferredMap.delete(seq);
+            deferred.resolve(blurhash);
+        }
+    };
+
+    public getBlurhash(imageData: ImageData): Promise<string> {
+        const seq = this.seq++;
+        const deferred = defer<string>();
+        this.pendingDeferredMap.set(seq, deferred);
+        this.worker.postMessage({ seq, imageData });
+        return deferred.promise;
+    }
+}
+

src/CallHandler.tsx

@@ -154,7 +154,7 @@ export default class CallHandler extends EventEmitter {
     private supportsPstnProtocol = null;
     private pstnSupportPrefixed = null; // True if the server only support the prefixed pstn protocol
     private supportsSipNativeVirtual = null; // im.vector.protocol.sip_virtual and im.vector.protocol.sip_native
-    private pstnSupportCheckTimer: NodeJS.Timeout; // number actually because we're in the browser
+    private pstnSupportCheckTimer: number;
     // For rooms we've been invited to, true if they're from virtual user, false if we've checked and they aren't.
     private invitedRoomsAreVirtual = new Map<string, boolean>();
     private invitedRoomCheckInProgress = false;
@@ -394,7 +394,7 @@ export default class CallHandler extends EventEmitter {
     }
 
     private setCallListeners(call: MatrixCall) {
-        let mappedRoomId = CallHandler.sharedInstance().roomIdForCall(call);
+        let mappedRoomId = this.roomIdForCall(call);
 
         call.on(CallEvent.Error, (err: CallError) => {
             if (!this.matchesCallForThisRoom(call)) return;
@@ -871,6 +871,12 @@ export default class CallHandler extends EventEmitter {
             case Action.DialNumber:
                 this.dialNumber(payload.number);
                 break;
+            case Action.TransferCallToMatrixID:
+                this.startTransferToMatrixID(payload.call, payload.destination, payload.consultFirst);
+                break;
+            case Action.TransferCallToPhoneNumber:
+                this.startTransferToPhoneNumber(payload.call, payload.destination, payload.consultFirst);
+                break;
         }
     };
 
@@ -905,6 +911,48 @@ export default class CallHandler extends EventEmitter {
         });
     }
 
+    private async startTransferToPhoneNumber(call: MatrixCall, destination: string, consultFirst: boolean) {
+        const results = await this.pstnLookup(destination);
+        if (!results || results.length === 0 || !results[0].userid) {
+            Modal.createTrackedDialog('', '', ErrorDialog, {
+                title: _t("Unable to transfer call"),
+                description: _t("There was an error looking up the phone number"),
+            });
+            return;
+        }
+
+        await this.startTransferToMatrixID(call, results[0].userid, consultFirst);
+    }
+
+    private async startTransferToMatrixID(call: MatrixCall, destination: string, consultFirst: boolean) {
+        if (consultFirst) {
+            const dmRoomId = await ensureDMExists(MatrixClientPeg.get(), destination);
+
+            dis.dispatch({
+                action: 'place_call',
+                type: call.type,
+                room_id: dmRoomId,
+                transferee: call,
+            });
+            dis.dispatch({
+                action: 'view_room',
+                room_id: dmRoomId,
+                should_peek: false,
+                joining: false,
+            });
+        } else {
+            try {
+                await call.transfer(destination);
+            } catch (e) {
+                console.log("Failed to transfer call", e);
+                Modal.createTrackedDialog('Failed to transfer call', '', ErrorDialog, {
+                    title: _t('Transfer Failed'),
+                    description: _t('Failed to transfer call'),
+                });
+            }
+        }
+    }
+
     setActiveCallRoomId(activeCallRoomId: string) {
         logger.info("Setting call in room " + activeCallRoomId + " active");
 

src/ContentMessages.tsx

@@ -17,7 +17,6 @@ limitations under the License.
 */
 
 import React from "react";
-import { encode } from "blurhash";
 import { MatrixClient } from "matrix-js-sdk/src/client";
 
 import dis from './dispatcher/dispatcher';
@@ -28,7 +27,6 @@ import RoomViewStore from './stores/RoomViewStore';
 import encrypt from "browser-encrypt-attachment";
 import extractPngChunks from "png-chunks-extract";
 import Spinner from "./components/views/elements/Spinner";
-
 import { Action } from "./dispatcher/actions";
 import CountlyAnalytics from "./CountlyAnalytics";
 import {
@@ -39,7 +37,8 @@ import {
     UploadStartedPayload,
 } from "./dispatcher/payloads/UploadPayload";
 import { IUpload } from "./models/IUpload";
-import { IImageInfo } from "matrix-js-sdk/src/@types/partials";
+import { IAbortablePromise, IImageInfo } from "matrix-js-sdk/src/@types/partials";
+import { BlurhashEncoder } from "./BlurhashEncoder";
 
 const MAX_WIDTH = 800;
 const MAX_HEIGHT = 600;
@@ -85,10 +84,6 @@ interface IThumbnail {
     thumbnail: Blob;
 }
 
-interface IAbortablePromise<T> extends Promise<T> {
-    abort(): void;
-}
-
 /**
  * Create a thumbnail for a image DOM element.
  * The image will be smaller than MAX_WIDTH and MAX_HEIGHT.
@@ -107,55 +102,62 @@ interface IAbortablePromise<T> extends Promise<T> {
  * @return {Promise} A promise that resolves with an object with an info key
  *  and a thumbnail key.
  */
-function createThumbnail(
+async function createThumbnail(
     element: ThumbnailableElement,
     inputWidth: number,
     inputHeight: number,
     mimeType: string,
 ): Promise<IThumbnail> {
-    return new Promise((resolve) => {
+    let targetWidth = inputWidth;
-        let targetWidth = inputWidth;
+    let targetHeight = inputHeight;
-        let targetHeight = inputHeight;
+    if (targetHeight > MAX_HEIGHT) {
-        if (targetHeight > MAX_HEIGHT) {
+        targetWidth = Math.floor(targetWidth * (MAX_HEIGHT / targetHeight));
-            targetWidth = Math.floor(targetWidth * (MAX_HEIGHT / targetHeight));
+        targetHeight = MAX_HEIGHT;
-            targetHeight = MAX_HEIGHT;
+    }
-        }
+    if (targetWidth > MAX_WIDTH) {
-        if (targetWidth > MAX_WIDTH) {
+        targetHeight = Math.floor(targetHeight * (MAX_WIDTH / targetWidth));
-            targetHeight = Math.floor(targetHeight * (MAX_WIDTH / targetWidth));
+        targetWidth = MAX_WIDTH;
-            targetWidth = MAX_WIDTH;
+    }
-        }
 
-        const canvas = document.createElement("canvas");
+    let canvas: HTMLCanvasElement | OffscreenCanvas;
+    if (window.OffscreenCanvas) {
+        canvas = new window.OffscreenCanvas(targetWidth, targetHeight);
+    } else {
+        canvas = document.createElement("canvas");
         canvas.width = targetWidth;
         canvas.height = targetHeight;
-        const context = canvas.getContext("2d");
+    }
-        context.drawImage(element, 0, 0, targetWidth, targetHeight);
+
-        const imageData = context.getImageData(0, 0, targetWidth, targetHeight);
+    const context = canvas.getContext("2d");
-        const blurhash = encode(
+    context.drawImage(element, 0, 0, targetWidth, targetHeight);
-            imageData.data,
+
-            imageData.width,
+    let thumbnailPromise: Promise<Blob>;
-            imageData.height,
+
-            // use 4 components on the longer dimension, if square then both
+    if (window.OffscreenCanvas) {
-            imageData.width >= imageData.height ? 4 : 3,
+        thumbnailPromise = (canvas as OffscreenCanvas).convertToBlob({ type: mimeType });
-            imageData.height >= imageData.width ? 4 : 3,
+    } else {
-        );
+        thumbnailPromise = new Promise<Blob>(resolve => (canvas as HTMLCanvasElement).toBlob(resolve, mimeType));
-        canvas.toBlob(function(thumbnail) {
+    }
-            resolve({
+
-                info: {
+    const imageData = context.getImageData(0, 0, targetWidth, targetHeight);
-                    thumbnail_info: {
+    // thumbnailPromise and blurhash promise are being awaited concurrently
-                        w: targetWidth,
+    const blurhash = await BlurhashEncoder.instance.getBlurhash(imageData);
-                        h: targetHeight,
+    const thumbnail = await thumbnailPromise;
-                        mimetype: thumbnail.type,
+
-                        size: thumbnail.size,
+    return {
-                    },
+        info: {
-                    w: inputWidth,
+            thumbnail_info: {
-                    h: inputHeight,
+                w: targetWidth,
-                    [BLURHASH_FIELD]: blurhash,
+                h: targetHeight,
-                },
+                mimetype: thumbnail.type,
-                thumbnail,
+                size: thumbnail.size,
-            });
+            },
-        }, mimeType);
+            w: inputWidth,
-    });
+            h: inputHeight,
+            [BLURHASH_FIELD]: blurhash,
+        },
+        thumbnail,
+    };
 }
 
 /**
@@ -333,7 +335,7 @@ export function uploadFile(
     roomId: string,
     file: File | Blob,
     progressHandler?: any, // TODO: Types
-): Promise<{url?: string, file?: any}> { // TODO: Types
+): IAbortablePromise<{url?: string, file?: any}> { // TODO: Types
     let canceled = false;
     if (matrixClient.isRoomEncrypted(roomId)) {
         // If the room is encrypted then encrypt the file before uploading it.
@@ -365,8 +367,8 @@ export function uploadFile(
                 encryptInfo.mimetype = file.type;
             }
             return { "file": encryptInfo };
-        });
+        }) as IAbortablePromise<{ file: any }>;
-        (prom as IAbortablePromise<any>).abort = () => {
+        prom.abort = () => {
             canceled = true;
             if (uploadPromise) matrixClient.cancelUpload(uploadPromise);
         };
@@ -379,8 +381,8 @@ export function uploadFile(
             if (canceled) throw new UploadCanceledError();
             // If the attachment isn't encrypted then include the URL directly.
             return { url };
-        });
+        }) as IAbortablePromise<{ url: string }>;
-        (promise1 as any).abort = () => {
+        promise1.abort = () => {
             canceled = true;
             matrixClient.cancelUpload(basePromise);
         };
@@ -551,10 +553,10 @@ export default class ContentMessages {
                 content.msgtype = 'm.file';
                 resolve();
             }
-        });
+        }) as IAbortablePromise<void>;
 
         // create temporary abort handler for before the actual upload gets passed off to js-sdk
-        (prom as IAbortablePromise<any>).abort = () => {
+        prom.abort = () => {
             upload.canceled = true;
         };
 
@@ -583,9 +585,7 @@ export default class ContentMessages {
             // XXX: upload.promise must be the promise that
             // is returned by uploadFile as it has an abort()
             // method hacked onto it.
-            upload.promise = uploadFile(
+            upload.promise = uploadFile(matrixClient, roomId, file, onProgress);
-                matrixClient, roomId, file, onProgress,
-            );
             return upload.promise.then(function(result) {
                 content.file = result.file;
                 content.url = result.url;

src/CountlyAnalytics.ts

@@ -364,8 +364,8 @@ export default class CountlyAnalytics {
 
     private initTime = CountlyAnalytics.getTimestamp();
     private firstPage = true;
-    private heartbeatIntervalId: NodeJS.Timeout;
+    private heartbeatIntervalId: number;
-    private activityIntervalId: NodeJS.Timeout;
+    private activityIntervalId: number;
     private trackTime = true;
     private lastBeat: number;
     private storedDuration = 0;

src/DecryptionFailureTracker.ts

@@ -46,8 +46,8 @@ export class DecryptionFailureTracker {
     };
 
     // Set to an interval ID when `start` is called
-    public checkInterval: NodeJS.Timeout = null;
+    public checkInterval: number = null;
-    public trackInterval: NodeJS.Timeout = null;
+    public trackInterval: number = null;
 
     // Spread the load on `Analytics` by tracking at a low frequency, `TRACK_INTERVAL_MS`.
     static TRACK_INTERVAL_MS = 60000;

src/HtmlUtils.tsx

@@ -25,7 +25,6 @@ import _linkifyElement from 'linkifyjs/element';
 import _linkifyString from 'linkifyjs/string';
 import classNames from 'classnames';
 import EMOJIBASE_REGEX from 'emojibase-regex';
-import url from 'url';
 import katex from 'katex';
 import { AllHtmlEntities } from 'html-entities';
 import { IContent } from 'matrix-js-sdk/src/models/event';
@@ -153,10 +152,8 @@ export function getHtmlText(insaneHtml: string): string {
  */
 export function isUrlPermitted(inputUrl: string): boolean {
     try {
-        const parsed = url.parse(inputUrl);
-        if (!parsed.protocol) return false;
         // URL parser protocol includes the trailing colon
-        return PERMITTED_URL_SCHEMES.includes(parsed.protocol.slice(0, -1));
+        return PERMITTED_URL_SCHEMES.includes(new URL(inputUrl).protocol.slice(0, -1));
     } catch (e) {
         return false;
     }

src/IdentityAuthClient.js

@@ -127,7 +127,7 @@ export default class IdentityAuthClient {
             await this._matrixClient.getIdentityAccount(token);
         } catch (e) {
             if (e.errcode === "M_TERMS_NOT_SIGNED") {
-                console.log("Identity Server requires new terms to be agreed to");
+                console.log("Identity server requires new terms to be agreed to");
                 await startTermsFlow([new Service(
                     SERVICE_TYPES.IS,
                     identityServerUrl,

src/Lifecycle.ts

@@ -21,6 +21,7 @@ import { createClient } from 'matrix-js-sdk/src/matrix';
 import { InvalidStoreError } from "matrix-js-sdk/src/errors";
 import { MatrixClient } from "matrix-js-sdk/src/client";
 import { decryptAES, encryptAES, IEncryptedPayload } from "matrix-js-sdk/src/crypto/aes";
+import { QueryDict } from 'matrix-js-sdk/src/utils';
 
 import { IMatrixClientCreds, MatrixClientPeg } from './MatrixClientPeg';
 import SecurityCustomisations from "./customisations/Security";
@@ -65,7 +66,7 @@ interface ILoadSessionOpts {
     guestIsUrl?: string;
     ignoreGuest?: boolean;
     defaultDeviceDisplayName?: string;
-    fragmentQueryParams?: Record<string, string>;
+    fragmentQueryParams?: QueryDict;
 }
 
 /**
@@ -118,8 +119,8 @@ export async function loadSession(opts: ILoadSessionOpts = {}): Promise<boolean>
         ) {
             console.log("Using guest access credentials");
             return doSetLoggedIn({
-                userId: fragmentQueryParams.guest_user_id,
+                userId: fragmentQueryParams.guest_user_id as string,
-                accessToken: fragmentQueryParams.guest_access_token,
+                accessToken: fragmentQueryParams.guest_access_token as string,
                 homeserverUrl: guestHsUrl,
                 identityServerUrl: guestIsUrl,
                 guest: true,
@@ -173,7 +174,7 @@ export async function getStoredSessionOwner(): Promise<[string, boolean]> {
  *    login, else false
  */
 export function attemptTokenLogin(
-    queryParams: Record<string, string>,
+    queryParams: QueryDict,
     defaultDeviceDisplayName?: string,
     fragmentAfterLogin?: string,
 ): Promise<boolean> {
@@ -198,7 +199,7 @@ export function attemptTokenLogin(
         homeserver,
         identityServer,
         "m.login.token", {
-            token: queryParams.loginToken,
+            token: queryParams.loginToken as string,
             initial_device_display_name: defaultDeviceDisplayName,
         },
     ).then(function(creds) {

src/MatrixClientPeg.ts

@@ -17,8 +17,8 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import { ICreateClientOpts } from 'matrix-js-sdk/src/matrix';
+import { ICreateClientOpts, PendingEventOrdering } from 'matrix-js-sdk/src/matrix';
-import { MatrixClient } from 'matrix-js-sdk/src/client';
+import { IStartClientOpts, MatrixClient } from 'matrix-js-sdk/src/client';
 import { MemoryStore } from 'matrix-js-sdk/src/store/memory';
 import * as utils from 'matrix-js-sdk/src/utils';
 import { EventTimeline } from 'matrix-js-sdk/src/models/event-timeline';
@@ -47,25 +47,8 @@ export interface IMatrixClientCreds {
     freshLogin?: boolean;
 }
 
-// TODO: Move this to the js-sdk
-export interface IOpts {
-    initialSyncLimit?: number;
-    pendingEventOrdering?: "detached" | "chronological";
-    lazyLoadMembers?: boolean;
-    clientWellKnownPollPeriod?: number;
-}
-
 export interface IMatrixClientPeg {
-    opts: IOpts;
+    opts: IStartClientOpts;
-
-    /**
-     * Sets the script href passed to the IndexedDB web worker
-     * If set, a separate web worker will be started to run the IndexedDB
-     * queries on.
-     *
-     * @param {string} script href to the script to be passed to the web worker
-     */
-    setIndexedDbWorkerScript(script: string): void;
 
     /**
      * Return the server name of the user's homeserver
@@ -127,7 +110,7 @@ class _MatrixClientPeg implements IMatrixClientPeg {
     // client is started in 'start'. These can be altered
     // at any time up to after the 'will_start_client'
     // event is finished processing.
-    public opts: IOpts = {
+    public opts: IStartClientOpts = {
         initialSyncLimit: 20,
     };
 
@@ -141,10 +124,6 @@ class _MatrixClientPeg implements IMatrixClientPeg {
     constructor() {
     }
 
-    public setIndexedDbWorkerScript(script: string): void {
-        createMatrixClient.indexedDbWorkerScript = script;
-    }
-
     public get(): MatrixClient {
         return this.matrixClient;
     }
@@ -231,7 +210,7 @@ class _MatrixClientPeg implements IMatrixClientPeg {
 
         const opts = utils.deepCopy(this.opts);
         // the react sdk doesn't work without this, so don't allow
-        opts.pendingEventOrdering = "detached";
+        opts.pendingEventOrdering = PendingEventOrdering.Detached;
         opts.lazyLoadMembers = true;
         opts.clientWellKnownPollPeriod = 2 * 60 * 60; // 2 hours
 

src/Notifier.ts

@@ -328,7 +328,7 @@ export const Notifier = {
 
     onEvent: function(ev: MatrixEvent) {
         if (!this.isSyncing) return; // don't alert for any messages initially
-        if (ev.sender && ev.sender.userId === MatrixClientPeg.get().credentials.userId) return;
+        if (ev.getSender() === MatrixClientPeg.get().credentials.userId) return;
 
         MatrixClientPeg.get().decryptEventIfNeeded(ev);
 

src/Rooms.ts

@@ -17,6 +17,7 @@ limitations under the License.
 import { Room } from "matrix-js-sdk/src/models/room";
 
 import { MatrixClientPeg } from './MatrixClientPeg';
+import AliasCustomisations from './customisations/Alias';
 
 /**
  * Given a room object, return the alias we should use for it,
@@ -28,7 +29,18 @@ import { MatrixClientPeg } from './MatrixClientPeg';
  * @returns {string} A display alias for the given room
  */
 export function getDisplayAliasForRoom(room: Room): string {
-    return room.getCanonicalAlias() || room.getAltAliases()[0];
+    return getDisplayAliasForAliasSet(
+        room.getCanonicalAlias(), room.getAltAliases(),
+    );
+}
+
+// The various display alias getters should all feed through this one path so
+// there's a single place to change the logic.
+export function getDisplayAliasForAliasSet(canonicalAlias: string, altAliases: string[]): string {
+    if (AliasCustomisations.getDisplayAliasForAliasSet) {
+        return AliasCustomisations.getDisplayAliasForAliasSet(canonicalAlias, altAliases);
+    }
+    return canonicalAlias || altAliases?.[0];
 }
 
 export function looksLikeDirectMessageRoom(room: Room, myUserId: string): boolean {
@@ -72,10 +84,8 @@ export function guessAndSetDMRoom(room: Room, isDirect: boolean): Promise<void>
                    this room as a DM room
  * @returns {object} A promise
  */
-export function setDMRoom(roomId: string, userId: string): Promise<void> {
+export async function setDMRoom(roomId: string, userId: string): Promise<void> {
-    if (MatrixClientPeg.get().isGuest()) {
+    if (MatrixClientPeg.get().isGuest()) return;
-        return Promise.resolve();
-    }
 
     const mDirectEvent = MatrixClientPeg.get().getAccountData('m.direct');
     let dmRoomMap = {};
@@ -104,7 +114,7 @@ export function setDMRoom(roomId: string, userId: string): Promise<void> {
         dmRoomMap[userId] = roomList;
     }
 
-    return MatrixClientPeg.get().setAccountData('m.direct', dmRoomMap);
+    await MatrixClientPeg.get().setAccountData('m.direct', dmRoomMap);
 }
 
 /**

src/Searching.ts

@@ -1,5 +1,5 @@
 /*
-Copyright 2019 The Matrix.org Foundation C.I.C.
+Copyright 2019 - 2021 The Matrix.org Foundation C.I.C.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -14,26 +14,42 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
+import {
+    IResultRoomEvents,
+    ISearchRequestBody,
+    ISearchResponse,
+    ISearchResult,
+    ISearchResults,
+    SearchOrderBy,
+} from "matrix-js-sdk/src/@types/search";
+import { IRoomEventFilter } from "matrix-js-sdk/src/filter";
+import { EventType } from "matrix-js-sdk/src/@types/event";
+
+import { ISearchArgs } from "./indexing/BaseEventIndexManager";
 import EventIndexPeg from "./indexing/EventIndexPeg";
 import { MatrixClientPeg } from "./MatrixClientPeg";
+import { SearchResult } from "matrix-js-sdk/src/models/search-result";
 
 const SEARCH_LIMIT = 10;
 
-async function serverSideSearch(term, roomId = undefined) {
+async function serverSideSearch(
+    term: string,
+    roomId: string = undefined,
+): Promise<{ response: ISearchResponse, query: ISearchRequestBody }> {
     const client = MatrixClientPeg.get();
 
-    const filter = {
+    const filter: IRoomEventFilter = {
         limit: SEARCH_LIMIT,
     };
 
     if (roomId !== undefined) filter.rooms = [roomId];
 
-    const body = {
+    const body: ISearchRequestBody = {
         search_categories: {
             room_events: {
                 search_term: term,
                 filter: filter,
-                order_by: "recent",
+                order_by: SearchOrderBy.Recent,
                 event_context: {
                     before_limit: 1,
                     after_limit: 1,
@@ -45,31 +61,26 @@ async function serverSideSearch(term, roomId = undefined) {
 
     const response = await client.search({ body: body });
 
-    const result = {
+    return { response, query: body };
-        response: response,
-        query: body,
-    };
-
-    return result;
 }
 
-async function serverSideSearchProcess(term, roomId = undefined) {
+async function serverSideSearchProcess(term: string, roomId: string = undefined): Promise<ISearchResults> {
     const client = MatrixClientPeg.get();
     const result = await serverSideSearch(term, roomId);
 
     // The js-sdk method backPaginateRoomEventsSearch() uses _query internally
-    // so we're reusing the concept here since we wan't to delegate the
+    // so we're reusing the concept here since we want to delegate the
     // pagination back to backPaginateRoomEventsSearch() in some cases.
-    const searchResult = {
+    const searchResults: ISearchResults = {
         _query: result.query,
         results: [],
         highlights: [],
     };
 
-    return client.processRoomEventsSearch(searchResult, result.response);
+    return client.processRoomEventsSearch(searchResults, result.response);
 }
 
-function compareEvents(a, b) {
+function compareEvents(a: ISearchResult, b: ISearchResult): number {
     const aEvent = a.result;
     const bEvent = b.result;
 
@@ -79,7 +90,7 @@ function compareEvents(a, b) {
     return 0;
 }
 
-async function combinedSearch(searchTerm) {
+async function combinedSearch(searchTerm: string): Promise<ISearchResults> {
     const client = MatrixClientPeg.get();
 
     // Create two promises, one for the local search, one for the
@@ -111,10 +122,10 @@ async function combinedSearch(searchTerm) {
     // returns since that one can be either a server-side one, a local one or a
     // fake one to fetch the remaining cached events. See the docs for
     // combineEvents() for an explanation why we need to cache events.
-    const emptyResult = {
+    const emptyResult: ISeshatSearchResults = {
         seshatQuery: localQuery,
         _query: serverQuery,
-        serverSideNextBatch: serverResponse.next_batch,
+        serverSideNextBatch: serverResponse.search_categories.room_events.next_batch,
         cachedEvents: [],
         oldestEventFrom: "server",
         results: [],
@@ -125,7 +136,7 @@ async function combinedSearch(searchTerm) {
     const combinedResult = combineResponses(emptyResult, localResponse, serverResponse.search_categories.room_events);
 
     // Let the client process the combined result.
-    const response = {
+    const response: ISearchResponse = {
         search_categories: {
             room_events: combinedResult,
         },
@@ -139,10 +150,14 @@ async function combinedSearch(searchTerm) {
     return result;
 }
 
-async function localSearch(searchTerm, roomId = undefined, processResult = true) {
+async function localSearch(
+    searchTerm: string,
+    roomId: string = undefined,
+    processResult = true,
+): Promise<{ response: IResultRoomEvents, query: ISearchArgs }> {
     const eventIndex = EventIndexPeg.get();
 
-    const searchArgs = {
+    const searchArgs: ISearchArgs = {
         search_term: searchTerm,
         before_limit: 1,
         after_limit: 1,
@@ -167,11 +182,18 @@ async function localSearch(searchTerm, roomId = undefined, processResult = true)
     return result;
 }
 
-async function localSearchProcess(searchTerm, roomId = undefined) {
+export interface ISeshatSearchResults extends ISearchResults {
+    seshatQuery?: ISearchArgs;
+    cachedEvents?: ISearchResult[];
+    oldestEventFrom?: "local" | "server";
+    serverSideNextBatch?: string;
+}
+
+async function localSearchProcess(searchTerm: string, roomId: string = undefined): Promise<ISeshatSearchResults> {
     const emptyResult = {
         results: [],
         highlights: [],
-    };
+    } as ISeshatSearchResults;
 
     if (searchTerm === "") return emptyResult;
 
@@ -179,7 +201,7 @@ async function localSearchProcess(searchTerm, roomId = undefined) {
 
     emptyResult.seshatQuery = result.query;
 
-    const response = {
+    const response: ISearchResponse = {
         search_categories: {
             room_events: result.response,
         },
@@ -192,7 +214,7 @@ async function localSearchProcess(searchTerm, roomId = undefined) {
     return processedResult;
 }
 
-async function localPagination(searchResult) {
+async function localPagination(searchResult: ISeshatSearchResults): Promise<ISeshatSearchResults> {
     const eventIndex = EventIndexPeg.get();
 
     const searchArgs = searchResult.seshatQuery;
@@ -221,10 +243,10 @@ async function localPagination(searchResult) {
     return result;
 }
 
-function compareOldestEvents(firstResults, secondResults) {
+function compareOldestEvents(firstResults: ISearchResult[], secondResults: ISearchResult[]): number {
     try {
-        const oldestFirstEvent = firstResults.results[firstResults.results.length - 1].result;
+        const oldestFirstEvent = firstResults[firstResults.length - 1].result;
-        const oldestSecondEvent = secondResults.results[secondResults.results.length - 1].result;
+        const oldestSecondEvent = secondResults[secondResults.length - 1].result;
 
         if (oldestFirstEvent.origin_server_ts <= oldestSecondEvent.origin_server_ts) {
             return -1;
@@ -236,7 +258,12 @@ function compareOldestEvents(firstResults, secondResults) {
     }
 }
 
-function combineEventSources(previousSearchResult, response, a, b) {
+function combineEventSources(
+    previousSearchResult: ISeshatSearchResults,
+    response: IResultRoomEvents,
+    a: ISearchResult[],
+    b: ISearchResult[],
+): void {
     // Merge event sources and sort the events.
     const combinedEvents = a.concat(b).sort(compareEvents);
     // Put half of the events in the response, and cache the other half.
@@ -353,8 +380,12 @@ function combineEventSources(previousSearchResult, response, a, b) {
  * different event sources.
  *
  */
-function combineEvents(previousSearchResult, localEvents = undefined, serverEvents = undefined) {
+function combineEvents(
-    const response = {};
+    previousSearchResult: ISeshatSearchResults,
+    localEvents: IResultRoomEvents = undefined,
+    serverEvents: IResultRoomEvents = undefined,
+): IResultRoomEvents {
+    const response = {} as IResultRoomEvents;
 
     const cachedEvents = previousSearchResult.cachedEvents;
     let oldestEventFrom = previousSearchResult.oldestEventFrom;
@@ -364,7 +395,7 @@ function combineEvents(previousSearchResult, localEvents = undefined, serverEven
         // This is a first search call, combine the events from the server and
         // the local index. Note where our oldest event came from, we shall
         // fetch the next batch of events from the other source.
-        if (compareOldestEvents(localEvents, serverEvents) < 0) {
+        if (compareOldestEvents(localEvents.results, serverEvents.results) < 0) {
             oldestEventFrom = "local";
         }
 
@@ -375,7 +406,7 @@ function combineEvents(previousSearchResult, localEvents = undefined, serverEven
         // meaning that our oldest event was on the server.
         // Change the source of the oldest event if our local event is older
         // than the cached one.
-        if (compareOldestEvents(localEvents, cachedEvents) < 0) {
+        if (compareOldestEvents(localEvents.results, cachedEvents) < 0) {
             oldestEventFrom = "local";
         }
         combineEventSources(previousSearchResult, response, localEvents.results, cachedEvents);
@@ -384,7 +415,7 @@ function combineEvents(previousSearchResult, localEvents = undefined, serverEven
         // meaning that our oldest event was in the local index.
         // Change the source of the oldest event if our server event is older
         // than the cached one.
-        if (compareOldestEvents(serverEvents, cachedEvents) < 0) {
+        if (compareOldestEvents(serverEvents.results, cachedEvents) < 0) {
             oldestEventFrom = "server";
         }
         combineEventSources(previousSearchResult, response, serverEvents.results, cachedEvents);
@@ -412,7 +443,11 @@ function combineEvents(previousSearchResult, localEvents = undefined, serverEven
  * @return {object} A response object that combines the events from the
  * different event sources.
  */
-function combineResponses(previousSearchResult, localEvents = undefined, serverEvents = undefined) {
+function combineResponses(
+    previousSearchResult: ISeshatSearchResults,
+    localEvents: IResultRoomEvents = undefined,
+    serverEvents: IResultRoomEvents = undefined,
+): IResultRoomEvents {
     // Combine our events first.
     const response = combineEvents(previousSearchResult, localEvents, serverEvents);
 
@@ -454,42 +489,51 @@ function combineResponses(previousSearchResult, localEvents = undefined, serverE
     return response;
 }
 
-function restoreEncryptionInfo(searchResultSlice = []) {
+interface IEncryptedSeshatEvent {
+    curve25519Key: string;
+    ed25519Key: string;
+    algorithm: string;
+    forwardingCurve25519KeyChain: string[];
+}
+
+function restoreEncryptionInfo(searchResultSlice: SearchResult[] = []): void {
     for (let i = 0; i < searchResultSlice.length; i++) {
         const timeline = searchResultSlice[i].context.getTimeline();
 
         for (let j = 0; j < timeline.length; j++) {
-            const ev = timeline[j];
+            const mxEv = timeline[j];
+            const ev = mxEv.event as IEncryptedSeshatEvent;
 
-            if (ev.event.curve25519Key) {
+            if (ev.curve25519Key) {
-                ev.makeEncrypted(
+                mxEv.makeEncrypted(
-                    "m.room.encrypted",
+                    EventType.RoomMessageEncrypted,
-                    { algorithm: ev.event.algorithm },
+                    { algorithm: ev.algorithm },
-                    ev.event.curve25519Key,
+                    ev.curve25519Key,
-                    ev.event.ed25519Key,
+                    ev.ed25519Key,
                 );
-                ev.forwardingCurve25519KeyChain = ev.event.forwardingCurve25519KeyChain;
+                // @ts-ignore
+                mxEv.forwardingCurve25519KeyChain = ev.forwardingCurve25519KeyChain;
 
-                delete ev.event.curve25519Key;
+                delete ev.curve25519Key;
-                delete ev.event.ed25519Key;
+                delete ev.ed25519Key;
-                delete ev.event.algorithm;
+                delete ev.algorithm;
-                delete ev.event.forwardingCurve25519KeyChain;
+                delete ev.forwardingCurve25519KeyChain;
             }
         }
     }
 }
 
-async function combinedPagination(searchResult) {
+async function combinedPagination(searchResult: ISeshatSearchResults): Promise<ISeshatSearchResults> {
     const eventIndex = EventIndexPeg.get();
     const client = MatrixClientPeg.get();
 
     const searchArgs = searchResult.seshatQuery;
     const oldestEventFrom = searchResult.oldestEventFrom;
 
-    let localResult;
+    let localResult: IResultRoomEvents;
-    let serverSideResult;
+    let serverSideResult: ISearchResponse;
 
-    // Fetch events from the local index if we have a token for itand if it's
+    // Fetch events from the local index if we have a token for it and if it's
     // the local indexes turn or the server has exhausted its results.
     if (searchArgs.next_batch && (!searchResult.serverSideNextBatch || oldestEventFrom === "server")) {
         localResult = await eventIndex.search(searchArgs);
@@ -502,7 +546,7 @@ async function combinedPagination(searchResult) {
         serverSideResult = await client.search(body);
     }
 
-    let serverEvents;
+    let serverEvents: IResultRoomEvents;
 
     if (serverSideResult) {
         serverEvents = serverSideResult.search_categories.room_events;
@@ -532,8 +576,8 @@ async function combinedPagination(searchResult) {
     return result;
 }
 
-function eventIndexSearch(term, roomId = undefined) {
+function eventIndexSearch(term: string, roomId: string = undefined): Promise<ISearchResults> {
-    let searchPromise;
+    let searchPromise: Promise<ISearchResults>;
 
     if (roomId !== undefined) {
         if (MatrixClientPeg.get().isRoomEncrypted(roomId)) {
@@ -554,7 +598,7 @@ function eventIndexSearch(term, roomId = undefined) {
     return searchPromise;
 }
 
-function eventIndexSearchPagination(searchResult) {
+function eventIndexSearchPagination(searchResult: ISeshatSearchResults): Promise<ISeshatSearchResults> {
     const client = MatrixClientPeg.get();
 
     const seshatQuery = searchResult.seshatQuery;
@@ -580,7 +624,7 @@ function eventIndexSearchPagination(searchResult) {
     }
 }
 
-export function searchPagination(searchResult) {
+export function searchPagination(searchResult: ISearchResults): Promise<ISearchResults> {
     const eventIndex = EventIndexPeg.get();
     const client = MatrixClientPeg.get();
 
@@ -590,7 +634,7 @@ export function searchPagination(searchResult) {
     else return eventIndexSearchPagination(searchResult);
 }
 
-export default function eventSearch(term, roomId = undefined) {
+export default function eventSearch(term: string, roomId: string = undefined): Promise<ISearchResults> {
     const eventIndex = EventIndexPeg.get();
 
     if (eventIndex === null) return serverSideSearchProcess(term, roomId);

src/TextForEvent.tsx

@@ -13,7 +13,6 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 */
-
 import React from 'react';
 import { MatrixClientPeg } from './MatrixClientPeg';
 import { _t } from './languageHandler';
@@ -32,7 +31,7 @@ import { MatrixEvent } from "matrix-js-sdk/src/models/event";
 // any text to display at all. For this reason they return deferred values
 // to avoid the expense of looking up translations when they're not needed.
 
-function textForMemberEvent(ev): () => string | null {
+function textForMemberEvent(ev: MatrixEvent, allowJSX: boolean, showHiddenEvents?: boolean): () => string | null {
     // XXX: SYJS-16 "sender is sometimes null for join messages"
     const senderName = ev.sender ? ev.sender.name : ev.getSender();
     const targetName = ev.target ? ev.target.name : ev.getStateKey();
@@ -84,7 +83,7 @@ function textForMemberEvent(ev): () => string | null {
                     return () => _t('%(senderName)s changed their profile picture', { senderName });
                 } else if (!prevContent.avatar_url && content.avatar_url) {
                     return () => _t('%(senderName)s set a profile picture', { senderName });
-                } else if (SettingsStore.getValue("showHiddenEventsInTimeline")) {
+                } else if (showHiddenEvents ?? SettingsStore.getValue("showHiddenEventsInTimeline")) {
                     // This is a null rejoin, it will only be visible if using 'show hidden events' (labs)
                     return () => _t("%(senderName)s made no change", { senderName });
                 } else {
@@ -127,7 +126,7 @@ function textForMemberEvent(ev): () => string | null {
     }
 }
 
-function textForTopicEvent(ev): () => string | null {
+function textForTopicEvent(ev: MatrixEvent): () => string | null {
     const senderDisplayName = ev.sender && ev.sender.name ? ev.sender.name : ev.getSender();
     return () => _t('%(senderDisplayName)s changed the topic to "%(topic)s".', {
         senderDisplayName,
@@ -140,7 +139,7 @@ function textForRoomAvatarEvent(ev: MatrixEvent): () => string | null {
     return () => _t('%(senderDisplayName)s changed the room avatar.', { senderDisplayName });
 }
 
-function textForRoomNameEvent(ev): () => string | null {
+function textForRoomNameEvent(ev: MatrixEvent): () => string | null {
     const senderDisplayName = ev.sender && ev.sender.name ? ev.sender.name : ev.getSender();
 
     if (!ev.getContent().name || ev.getContent().name.trim().length === 0) {
@@ -159,12 +158,12 @@ function textForRoomNameEvent(ev): () => string | null {
     });
 }
 
-function textForTombstoneEvent(ev): () => string | null {
+function textForTombstoneEvent(ev: MatrixEvent): () => string | null {
     const senderDisplayName = ev.sender && ev.sender.name ? ev.sender.name : ev.getSender();
     return () => _t('%(senderDisplayName)s upgraded this room.', { senderDisplayName });
 }
 
-function textForJoinRulesEvent(ev): () => string | null {
+function textForJoinRulesEvent(ev: MatrixEvent): () => string | null {
     const senderDisplayName = ev.sender && ev.sender.name ? ev.sender.name : ev.getSender();
     switch (ev.getContent().join_rule) {
         case "public":
@@ -184,7 +183,7 @@ function textForJoinRulesEvent(ev): () => string | null {
     }
 }
 
-function textForGuestAccessEvent(ev): () => string | null {
+function textForGuestAccessEvent(ev: MatrixEvent): () => string | null {
     const senderDisplayName = ev.sender && ev.sender.name ? ev.sender.name : ev.getSender();
     switch (ev.getContent().guest_access) {
         case "can_join":
@@ -200,7 +199,7 @@ function textForGuestAccessEvent(ev): () => string | null {
     }
 }
 
-function textForRelatedGroupsEvent(ev): () => string | null {
+function textForRelatedGroupsEvent(ev: MatrixEvent): () => string | null {
     const senderDisplayName = ev.sender && ev.sender.name ? ev.sender.name : ev.getSender();
     const groups = ev.getContent().groups || [];
     const prevGroups = ev.getPrevContent().groups || [];
@@ -230,7 +229,7 @@ function textForRelatedGroupsEvent(ev): () => string | null {
     }
 }
 
-function textForServerACLEvent(ev): () => string | null {
+function textForServerACLEvent(ev: MatrixEvent): () => string | null {
     const senderDisplayName = ev.sender && ev.sender.name ? ev.sender.name : ev.getSender();
     const prevContent = ev.getPrevContent();
     const current = ev.getContent();
@@ -285,7 +284,7 @@ function textForMessageEvent(ev: MatrixEvent): () => string | null {
     };
 }
 
-function textForCanonicalAliasEvent(ev): () => string | null {
+function textForCanonicalAliasEvent(ev: MatrixEvent): () => string | null {
     const senderName = ev.sender && ev.sender.name ? ev.sender.name : ev.getSender();
     const oldAlias = ev.getPrevContent().alias;
     const oldAltAliases = ev.getPrevContent().alt_aliases || [];
@@ -336,7 +335,7 @@ function textForCanonicalAliasEvent(ev): () => string | null {
     });
 }
 
-function textForCallAnswerEvent(event): () => string | null {
+function textForCallAnswerEvent(event: MatrixEvent): () => string | null {
     return () => {
         const senderName = event.sender ? event.sender.name : _t('Someone');
         const supported = MatrixClientPeg.get().supportsVoip() ? '' : _t('(not supported by this browser)');
@@ -344,7 +343,7 @@ function textForCallAnswerEvent(event): () => string | null {
     };
 }
 
-function textForCallHangupEvent(event): () => string | null {
+function textForCallHangupEvent(event: MatrixEvent): () => string | null {
     const getSenderName = () => event.sender ? event.sender.name : _t('Someone');
     const eventContent = event.getContent();
     let getReason = () => "";
@@ -381,14 +380,14 @@ function textForCallHangupEvent(event): () => string | null {
     return () => _t('%(senderName)s ended the call.', { senderName: getSenderName() }) + ' ' + getReason();
 }
 
-function textForCallRejectEvent(event): () => string | null {
+function textForCallRejectEvent(event: MatrixEvent): () => string | null {
     return () => {
         const senderName = event.sender ? event.sender.name : _t('Someone');
         return _t('%(senderName)s declined the call.', { senderName });
     };
 }
 
-function textForCallInviteEvent(event): () => string | null {
+function textForCallInviteEvent(event: MatrixEvent): () => string | null {
     const getSenderName = () => event.sender ? event.sender.name : _t('Someone');
     // FIXME: Find a better way to determine this from the event?
     let isVoice = true;
@@ -420,7 +419,7 @@ function textForCallInviteEvent(event): () => string | null {
     }
 }
 
-function textForThreePidInviteEvent(event): () => string | null {
+function textForThreePidInviteEvent(event: MatrixEvent): () => string | null {
     const senderName = event.sender ? event.sender.name : event.getSender();
 
     if (!isValid3pidInvite(event)) {
@@ -436,7 +435,7 @@ function textForThreePidInviteEvent(event): () => string | null {
     });
 }
 
-function textForHistoryVisibilityEvent(event): () => string | null {
+function textForHistoryVisibilityEvent(event: MatrixEvent): () => string | null {
     const senderName = event.sender ? event.sender.name : event.getSender();
     switch (event.getContent().history_visibility) {
         case 'invited':
@@ -458,13 +457,14 @@ function textForHistoryVisibilityEvent(event): () => string | null {
 }
 
 // Currently will only display a change if a user's power level is changed
-function textForPowerEvent(event): () => string | null {
+function textForPowerEvent(event: MatrixEvent): () => string | null {
     const senderName = event.sender ? event.sender.name : event.getSender();
     if (!event.getPrevContent() || !event.getPrevContent().users ||
         !event.getContent() || !event.getContent().users) {
         return null;
     }
-    const userDefault = event.getContent().users_default || 0;
+    const previousUserDefault = event.getPrevContent().users_default || 0;
+    const currentUserDefault = event.getContent().users_default || 0;
     // Construct set of userIds
     const users = [];
     Object.keys(event.getContent().users).forEach(
@@ -480,9 +480,16 @@ function textForPowerEvent(event): () => string | null {
     const diffs = [];
     users.forEach((userId) => {
         // Previous power level
-        const from = event.getPrevContent().users[userId];
+        let from = event.getPrevContent().users[userId];
+        if (!Number.isInteger(from)) {
+            from = previousUserDefault;
+        }
         // Current power level
-        const to = event.getContent().users[userId];
+        let to = event.getContent().users[userId];
+        if (!Number.isInteger(to)) {
+            to = currentUserDefault;
+        }
+        if (from === previousUserDefault && to === currentUserDefault) { return; }
         if (to !== from) {
             diffs.push({ userId, from, to });
         }
@@ -496,8 +503,8 @@ function textForPowerEvent(event): () => string | null {
         powerLevelDiffText: diffs.map(diff =>
             _t('%(userId)s from %(fromPowerLevel)s to %(toPowerLevel)s', {
                 userId: diff.userId,
-                fromPowerLevel: Roles.textualPowerLevel(diff.from, userDefault),
+                fromPowerLevel: Roles.textualPowerLevel(diff.from, previousUserDefault),
-                toPowerLevel: Roles.textualPowerLevel(diff.to, userDefault),
+                toPowerLevel: Roles.textualPowerLevel(diff.to, currentUserDefault),
             }),
         ).join(", "),
     });
@@ -532,7 +539,7 @@ function textForPinnedEvent(event: MatrixEvent, allowJSX: boolean): () => string
     return () => _t("%(senderName)s changed the pinned messages for the room.", { senderName });
 }
 
-function textForWidgetEvent(event): () => string | null {
+function textForWidgetEvent(event: MatrixEvent): () => string | null {
     const senderName = event.getSender();
     const { name: prevName, type: prevType, url: prevUrl } = event.getPrevContent();
     const { name, type, url } = event.getContent() || {};
@@ -562,12 +569,12 @@ function textForWidgetEvent(event): () => string | null {
     }
 }
 
-function textForWidgetLayoutEvent(event): () => string | null {
+function textForWidgetLayoutEvent(event: MatrixEvent): () => string | null {
     const senderName = event.sender?.name || event.getSender();
     return () => _t("%(senderName)s has updated the widget layout", { senderName });
 }
 
-function textForMjolnirEvent(event): () => string | null {
+function textForMjolnirEvent(event: MatrixEvent): () => string | null {
     const senderName = event.getSender();
     const { entity: prevEntity } = event.getPrevContent();
     const { entity, recommendation, reason } = event.getContent();
@@ -655,7 +662,9 @@ function textForMjolnirEvent(event): () => string | null {
 }
 
 interface IHandlers {
-    [type: string]: (ev: MatrixEvent, allowJSX?: boolean) => (() => string | JSX.Element | null);
+    [type: string]:
+        (ev: MatrixEvent, allowJSX: boolean, showHiddenEvents?: boolean) =>
+            (() => string | JSX.Element | null);
 }
 
 const handlers: IHandlers = {
@@ -693,14 +702,27 @@ for (const evType of ALL_RULE_TYPES) {
     stateHandlers[evType] = textForMjolnirEvent;
 }
 
-export function hasText(ev): boolean {
+/**
+ * Determines whether the given event has text to display.
+ * @param ev The event
+ * @param showHiddenEvents An optional cached setting value for showHiddenEventsInTimeline
+ *     to avoid hitting the settings store
+ */
+export function hasText(ev: MatrixEvent, showHiddenEvents?: boolean): boolean {
     const handler = (ev.isState() ? stateHandlers : handlers)[ev.getType()];
-    return Boolean(handler?.(ev));
+    return Boolean(handler?.(ev, false, showHiddenEvents));
 }
 
+/**
+ * Gets the textual content of the given event.
+ * @param ev The event
+ * @param allowJSX Whether to output rich JSX content
+ * @param showHiddenEvents An optional cached setting value for showHiddenEventsInTimeline
+ *     to avoid hitting the settings store
+ */
 export function textForEvent(ev: MatrixEvent): string;
-export function textForEvent(ev: MatrixEvent, allowJSX: true): string | JSX.Element;
+export function textForEvent(ev: MatrixEvent, allowJSX: true, showHiddenEvents?: boolean): string | JSX.Element;
-export function textForEvent(ev: MatrixEvent, allowJSX = false): string | JSX.Element {
+export function textForEvent(ev: MatrixEvent, allowJSX = false, showHiddenEvents?: boolean): string | JSX.Element {
     const handler = (ev.isState() ? stateHandlers : handlers)[ev.getType()];
-    return handler?.(ev, allowJSX)?.() || '';
+    return handler?.(ev, allowJSX, showHiddenEvents)?.() || '';
 }

src/Unread.ts

@@ -30,7 +30,7 @@ import { haveTileForEvent } from "./components/views/rooms/EventTile";
  * @returns {boolean} True if the given event should affect the unread message count
  */
 export function eventTriggersUnreadCount(ev: MatrixEvent): boolean {
-    if (ev.sender && ev.sender.userId == MatrixClientPeg.get().credentials.userId) {
+    if (ev.getSender() === MatrixClientPeg.get().credentials.userId) {
         return false;
     }
 
@@ -63,9 +63,7 @@ export function doesRoomHaveUnreadMessages(room: Room): boolean {
     //             https://github.com/vector-im/element-web/issues/2427
     // ...and possibly some of the others at
     //             https://github.com/vector-im/element-web/issues/3363
-    if (room.timeline.length &&
+    if (room.timeline.length && room.timeline[room.timeline.length - 1].getSender() === myUserId) {
-        room.timeline[room.timeline.length - 1].sender &&
-        room.timeline[room.timeline.length - 1].sender.userId === myUserId) {
         return false;
     }
 

src/autocomplete/Autocompleter.ts

@@ -27,8 +27,8 @@ import EmojiProvider from './EmojiProvider';
 import NotifProvider from './NotifProvider';
 import { timeout } from "../utils/promise";
 import AutocompleteProvider, { ICommand } from "./AutocompleteProvider";
-import SettingsStore from "../settings/SettingsStore";
 import SpaceProvider from "./SpaceProvider";
+import SpaceStore from "../stores/SpaceStore";
 
 export interface ISelectionRange {
     beginning?: boolean; // whether the selection is in the first block of the editor or not
@@ -58,8 +58,7 @@ const PROVIDERS = [
     DuckDuckGoProvider,
 ];
 
-// as the spaces feature is device configurable only, and toggling it refreshes the page, we can do this here
+if (SpaceStore.spacesEnabled) {
-if (SettingsStore.getValue("feature_spaces")) {
     PROVIDERS.push(SpaceProvider);
 } else {
     PROVIDERS.push(CommunityProvider);

src/autocomplete/RoomProvider.tsx

@@ -28,7 +28,7 @@ import { PillCompletion } from './Components';
 import { makeRoomPermalink } from "../utils/permalinks/Permalinks";
 import { ICompletion, ISelectionRange } from "./Autocompleter";
 import RoomAvatar from '../components/views/avatars/RoomAvatar';
-import SettingsStore from "../settings/SettingsStore";
+import SpaceStore from "../stores/SpaceStore";
 
 const ROOM_REGEX = /\B#\S*/g;
 
@@ -59,7 +59,8 @@ export default class RoomProvider extends AutocompleteProvider {
         const cli = MatrixClientPeg.get();
         let rooms = cli.getVisibleRooms();
 
-        if (SettingsStore.getValue("feature_spaces")) {
+        // if spaces are enabled then filter them out here as they get their own autocomplete provider
+        if (SpaceStore.spacesEnabled) {
             rooms = rooms.filter(r => !r.isSpaceRoom());
         }
 

src/components/structures/InteractiveAuth.js

@@ -54,7 +54,7 @@ export default class InteractiveAuthComponent extends React.Component {
         //      * emailSid {string} If email auth was performed, the sid of
         //            the auth session.
         //      * clientSecret {string} The client secret used in auth
-        //            sessions with the ID server.
+        //            sessions with the identity server.
         onAuthFinished: PropTypes.func.isRequired,
 
         // Inputs provided by the user to the auth process

src/components/structures/LoggedInView.tsx

@@ -63,6 +63,7 @@ import ToastContainer from './ToastContainer';
 import MyGroups from "./MyGroups";
 import UserView from "./UserView";
 import GroupView from "./GroupView";
+import SpaceStore from "../../stores/SpaceStore";
 
 // We need to fetch each pinned message individually (if we don't already have it)
 // so each pinned message may trigger a request. Limit the number per room for sanity.
@@ -631,7 +632,7 @@ class LoggedInView extends React.Component<IProps, IState> {
                 >
                     <ToastContainer />
                     <div ref={this._resizeContainer} className={bodyClasses}>
-                        { SettingsStore.getValue("feature_spaces") ? <SpacePanel /> : null }
+                        { SpaceStore.spacesEnabled ? <SpacePanel /> : null }
                         <LeftPanel
                             isMinimized={this.props.collapseLhs || false}
                             resizeNotifier={this.props.resizeNotifier}

src/components/structures/MatrixChat.tsx

@@ -19,7 +19,7 @@ import { createClient } from "matrix-js-sdk/src/matrix";
 import { InvalidStoreError } from "matrix-js-sdk/src/errors";
 import { RoomMember } from "matrix-js-sdk/src/models/room-member";
 import { MatrixEvent } from "matrix-js-sdk/src/models/event";
-import { sleep, defer, IDeferred } from "matrix-js-sdk/src/utils";
+import { sleep, defer, IDeferred, QueryDict } from "matrix-js-sdk/src/utils";
 
 // focus-visible is a Polyfill for the :focus-visible CSS pseudo-attribute used by _AccessibleButton.scss
 import 'focus-visible';
@@ -105,6 +105,8 @@ import VerificationRequestToast from '../views/toasts/VerificationRequestToast';
 import PerformanceMonitor, { PerformanceEntryNames } from "../../performance";
 import UIStore, { UI_EVENTS } from "../../stores/UIStore";
 import SoftLogout from './auth/SoftLogout';
+import { makeRoomPermalink } from "../../utils/permalinks/Permalinks";
+import { copyPlaintext } from "../../utils/strings";
 
 /** constants for MatrixChat.state.view */
 export enum Views {
@@ -153,7 +155,7 @@ const ONBOARDING_FLOW_STARTERS = [
 
 interface IScreen {
     screen: string;
-    params?: object;
+    params?: QueryDict;
 }
 
 /* eslint-disable camelcase */
@@ -183,9 +185,9 @@ interface IProps { // TODO type things better
     onNewScreen: (screen: string, replaceLast: boolean) => void;
     enableGuest?: boolean;
     // the queryParams extracted from the [real] query-string of the URI
-    realQueryParams?: Record<string, string>;
+    realQueryParams?: QueryDict;
     // the initial queryParams extracted from the hash-fragment of the URI
-    startingFragmentQueryParams?: Record<string, string>;
+    startingFragmentQueryParams?: QueryDict;
     // called when we have completed a token login
     onTokenLoginCompleted?: () => void;
     // Represents the screen to display as a result of parsing the initial window.location
@@ -193,7 +195,7 @@ interface IProps { // TODO type things better
     // displayname, if any, to set on the device when logging in/registering.
     defaultDeviceDisplayName?: string;
     // A function that makes a registration URL
-    makeRegistrationUrl: (object) => string;
+    makeRegistrationUrl: (params: QueryDict) => string;
 }
 
 interface IState {
@@ -251,7 +253,7 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
     private pageChanging: boolean;
     private tokenLogin?: boolean;
     private accountPassword?: string;
-    private accountPasswordTimer?: NodeJS.Timeout;
+    private accountPasswordTimer?: number;
     private focusComposer: boolean;
     private subTitleStatus: string;
     private prevWindowWidth: number;
@@ -296,7 +298,7 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
             if (this.screenAfterLogin.screen.startsWith("room/") && params['signurl'] && params['email']) {
                 // probably a threepid invite - try to store it
                 const roomId = this.screenAfterLogin.screen.substring("room/".length);
-                ThreepidInviteStore.instance.storeInvite(roomId, params as IThreepidInviteWireFormat);
+                ThreepidInviteStore.instance.storeInvite(roomId, params as unknown as IThreepidInviteWireFormat);
             }
         }
 
@@ -561,7 +563,7 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
         switch (payload.action) {
             case 'MatrixActions.accountData':
                 // XXX: This is a collection of several hacks to solve a minor problem. We want to
-                // update our local state when the ID server changes, but don't want to put that in
+                // update our local state when the identity server changes, but don't want to put that in
                 // the js-sdk as we'd be then dictating how all consumers need to behave. However,
                 // this component is already bloated and we probably don't want this tiny logic in
                 // here, but there's no better place in the react-sdk for it. Additionally, we're
@@ -627,6 +629,9 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
             case 'forget_room':
                 this.forgetRoom(payload.room_id);
                 break;
+            case 'copy_room':
+                this.copyRoom(payload.room_id);
+                break;
             case 'reject_invite':
                 Modal.createTrackedDialog('Reject invitation', '', QuestionDialog, {
                     title: _t('Reject invitation'),
@@ -1099,7 +1104,7 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
 
     private leaveRoomWarnings(roomId: string) {
         const roomToLeave = MatrixClientPeg.get().getRoom(roomId);
-        const isSpace = SettingsStore.getValue("feature_spaces") && roomToLeave?.isSpaceRoom();
+        const isSpace = SpaceStore.spacesEnabled && roomToLeave?.isSpaceRoom();
         // Show a warning if there are additional complications.
         const warnings = [];
 
@@ -1137,7 +1142,7 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
         const roomToLeave = MatrixClientPeg.get().getRoom(roomId);
         const warnings = this.leaveRoomWarnings(roomId);
 
-        const isSpace = SettingsStore.getValue("feature_spaces") && roomToLeave?.isSpaceRoom();
+        const isSpace = SpaceStore.spacesEnabled && roomToLeave?.isSpaceRoom();
         Modal.createTrackedDialog(isSpace ? "Leave space" : "Leave room", '', QuestionDialog, {
             title: isSpace ? _t("Leave space") : _t("Leave room"),
             description: (
@@ -1193,6 +1198,17 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
         });
     }
 
+    private async copyRoom(roomId: string) {
+        const roomLink = makeRoomPermalink(roomId);
+        const success = await copyPlaintext(roomLink);
+        if (!success) {
+            Modal.createTrackedDialog("Unable to copy room link", "", ErrorDialog, {
+                title: _t("Unable to copy room link"),
+                description: _t("Unable to copy a link to the room to the clipboard."),
+            });
+        }
+    }
+
     /**
      * Starts a chat with the welcome user, if the user doesn't already have one
      * @returns {string} The room ID of the new room, or null if no room was created
@@ -1687,7 +1703,7 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
             const type = screen === "start_sso" ? "sso" : "cas";
             PlatformPeg.get().startSingleSignOn(cli, type, this.getFragmentAfterLogin());
         } else if (screen === 'groups') {
-            if (SettingsStore.getValue("feature_spaces")) {
+            if (SpaceStore.spacesEnabled) {
                 dis.dispatch({ action: "view_home_page" });
                 return;
             }
@@ -1774,7 +1790,7 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
                 subAction: params.action,
             });
         } else if (screen.indexOf('group/') === 0) {
-            if (SettingsStore.getValue("feature_spaces")) {
+            if (SpaceStore.spacesEnabled) {
                 dis.dispatch({ action: "view_home_page" });
                 return;
             }
@@ -1936,7 +1952,7 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
         this.setState({ serverConfig });
     };
 
-    private makeRegistrationUrl = (params: {[key: string]: string}) => {
+    private makeRegistrationUrl = (params: QueryDict) => {
         if (this.props.startingFragmentQueryParams.referrer) {
             params.referrer = this.props.startingFragmentQueryParams.referrer;
         }
@@ -2091,7 +2107,7 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
                     onForgotPasswordClick={showPasswordReset ? this.onForgotPasswordClick : undefined}
                     onServerConfigChange={this.onServerConfigChange}
                     fragmentAfterLogin={fragmentAfterLogin}
-                    defaultUsername={this.props.startingFragmentQueryParams.defaultUsername}
+                    defaultUsername={this.props.startingFragmentQueryParams.defaultUsername as string}
                     {...this.getServerProperties()}
                 />
             );

src/components/structures/MessagePanel.tsx

@@ -54,7 +54,11 @@ const membershipTypes = [EventType.RoomMember, EventType.RoomThirdPartyInvite, E
 
 // check if there is a previous event and it has the same sender as this event
 // and the types are the same/is in continuedTypes and the time between them is <= CONTINUATION_MAX_INTERVAL
-export function shouldFormContinuation(prevEvent: MatrixEvent, mxEvent: MatrixEvent): boolean {
+export function shouldFormContinuation(
+    prevEvent: MatrixEvent,
+    mxEvent: MatrixEvent,
+    showHiddenEvents: boolean,
+): boolean {
     // sanity check inputs
     if (!prevEvent || !prevEvent.sender || !mxEvent.sender) return false;
     // check if within the max continuation period
@@ -74,7 +78,7 @@ export function shouldFormContinuation(prevEvent: MatrixEvent, mxEvent: MatrixEv
         mxEvent.sender.getMxcAvatarUrl() !== prevEvent.sender.getMxcAvatarUrl()) return false;
 
     // if we don't have tile for previous event then it was shown by showHiddenEvents and has no SenderProfile
-    if (!haveTileForEvent(prevEvent)) return false;
+    if (!haveTileForEvent(prevEvent, showHiddenEvents)) return false;
 
     return true;
 }
@@ -239,7 +243,8 @@ export default class MessagePanel extends React.Component<IProps, IState> {
         };
 
         // Cache hidden events setting on mount since Settings is expensive to
-        // query, and we check this in a hot code path.
+        // query, and we check this in a hot code path. This is also cached in
+        // our RoomContext, however we still need a fallback for roomless MessagePanels.
         this.showHiddenEventsInTimeline = SettingsStore.getValue("showHiddenEventsInTimeline");
 
         this.showTypingNotificationsWatcherRef =
@@ -399,17 +404,21 @@ export default class MessagePanel extends React.Component<IProps, IState> {
         return !this.isMounted;
     };
 
+    private get showHiddenEvents(): boolean {
+        return this.context?.showHiddenEventsInTimeline ?? this.showHiddenEventsInTimeline;
+    }
+
     // TODO: Implement granular (per-room) hide options
     public shouldShowEvent(mxEv: MatrixEvent): boolean {
-        if (mxEv.sender && MatrixClientPeg.get().isUserIgnored(mxEv.sender.userId)) {
+        if (MatrixClientPeg.get().isUserIgnored(mxEv.getSender())) {
             return false; // ignored = no show (only happens if the ignore happens after an event was received)
         }
 
-        if (this.showHiddenEventsInTimeline) {
+        if (this.showHiddenEvents) {
             return true;
         }
 
-        if (!haveTileForEvent(mxEv)) {
+        if (!haveTileForEvent(mxEv, this.showHiddenEvents)) {
             return false; // no tile = no show
         }
 
@@ -569,7 +578,7 @@ export default class MessagePanel extends React.Component<IProps, IState> {
 
             if (grouper) {
                 if (grouper.shouldGroup(mxEv)) {
-                    grouper.add(mxEv);
+                    grouper.add(mxEv, this.showHiddenEvents);
                     continue;
                 } else {
                     // not part of group, so get the group tiles, close the
@@ -649,7 +658,8 @@ export default class MessagePanel extends React.Component<IProps, IState> {
         }
 
         // is this a continuation of the previous message?
-        const continuation = !wantsDateSeparator && shouldFormContinuation(prevEvent, mxEv);
+        const continuation = !wantsDateSeparator &&
+            shouldFormContinuation(prevEvent, mxEv, this.showHiddenEvents);
 
         const eventId = mxEv.getId();
         const highlight = (eventId === this.props.highlightedEventId);
@@ -946,7 +956,7 @@ abstract class BaseGrouper {
     }
 
     public abstract shouldGroup(ev: MatrixEvent): boolean;
-    public abstract add(ev: MatrixEvent): void;
+    public abstract add(ev: MatrixEvent, showHiddenEvents?: boolean): void;
     public abstract getTiles(): ReactNode[];
     public abstract getNewPrevEvent(): MatrixEvent;
 }
@@ -1200,10 +1210,10 @@ class MemberGrouper extends BaseGrouper {
         return membershipTypes.includes(ev.getType() as EventType);
     }
 
-    public add(ev: MatrixEvent): void {
+    public add(ev: MatrixEvent, showHiddenEvents?: boolean): void {
         if (ev.getType() === EventType.RoomMember) {
             // We can ignore any events that don't actually have a message to display
-            if (!hasText(ev)) return;
+            if (!hasText(ev, showHiddenEvents)) return;
         }
         this.readMarker = this.readMarker || this.panel.readMarkerForEvent(
             ev.getId(),

src/components/structures/RightPanel.tsx

@@ -48,6 +48,7 @@ import NotificationPanel from "./NotificationPanel";
 import ResizeNotifier from "../../utils/ResizeNotifier";
 import PinnedMessagesCard from "../views/right_panel/PinnedMessagesCard";
 import { throttle } from 'lodash';
+import SpaceStore from "../../stores/SpaceStore";
 
 interface IProps {
     room?: Room; // if showing panels for a given room, this is set
@@ -107,7 +108,7 @@ export default class RightPanel extends React.Component<IProps, IState> {
                 return RightPanelPhases.GroupMemberList;
             }
             return rps.groupPanelPhase;
-        } else if (SettingsStore.getValue("feature_spaces") && this.props.room?.isSpaceRoom()
+        } else if (SpaceStore.spacesEnabled && this.props.room?.isSpaceRoom()
             && !RIGHT_PANEL_SPACE_PHASES.includes(rps.roomPanelPhase)
         ) {
             return RightPanelPhases.SpaceMemberList;

src/components/structures/RoomDirectory.tsx

@@ -16,6 +16,9 @@ limitations under the License.
 */
 
 import React from "react";
+import { IFieldType, IInstance, IProtocol, IPublicRoomsChunkRoom } from "matrix-js-sdk/src/client";
+import { Visibility } from "matrix-js-sdk/src/@types/partials";
+import { IRoomDirectoryOptions } from "matrix-js-sdk/src/@types/requests";
 
 import { MatrixClientPeg } from "../../MatrixClientPeg";
 import dis from "../../dispatcher/dispatcher";
@@ -25,7 +28,7 @@ import { _t } from '../../languageHandler';
 import SdkConfig from '../../SdkConfig';
 import { instanceForInstanceId, protocolNameForInstanceId } from '../../utils/DirectoryUtils';
 import Analytics from '../../Analytics';
-import { ALL_ROOMS, IFieldType, IInstance, IProtocol, Protocols } from "../views/directory/NetworkDropdown";
+import NetworkDropdown, { ALL_ROOMS, Protocols } from "../views/directory/NetworkDropdown";
 import SettingsStore from "../../settings/SettingsStore";
 import GroupFilterOrderStore from "../../stores/GroupFilterOrderStore";
 import GroupStore from "../../stores/GroupStore";
@@ -40,10 +43,10 @@ import ErrorDialog from "../views/dialogs/ErrorDialog";
 import QuestionDialog from "../views/dialogs/QuestionDialog";
 import BaseDialog from "../views/dialogs/BaseDialog";
 import DirectorySearchBox from "../views/elements/DirectorySearchBox";
-import NetworkDropdown from "../views/directory/NetworkDropdown";
 import ScrollPanel from "./ScrollPanel";
 import Spinner from "../views/elements/Spinner";
 import { ActionPayload } from "../../dispatcher/payloads";
+import { getDisplayAliasForAliasSet } from "../../Rooms";
 
 const MAX_NAME_LENGTH = 80;
 const MAX_TOPIC_LENGTH = 800;
@@ -60,7 +63,7 @@ interface IProps extends IDialogProps {
 }
 
 interface IState {
-    publicRooms: IRoom[];
+    publicRooms: IPublicRoomsChunkRoom[];
     loading: boolean;
     protocolsLoading: boolean;
     error?: string;
@@ -71,35 +74,12 @@ interface IState {
     communityName?: string;
 }
 
-/* eslint-disable camelcase */
-interface IRoom {
-    room_id: string;
-    name?: string;
-    avatar_url?: string;
-    topic?: string;
-    canonical_alias?: string;
-    aliases?: string[];
-    world_readable: boolean;
-    guest_can_join: boolean;
-    num_joined_members: number;
-}
-
-interface IPublicRoomsRequest {
-    limit?: number;
-    since?: string;
-    server?: string;
-    filter?: object;
-    include_all_networks?: boolean;
-    third_party_instance_id?: string;
-}
-/* eslint-enable camelcase */
-
 @replaceableComponent("structures.RoomDirectory")
 export default class RoomDirectory extends React.Component<IProps, IState> {
     private readonly startTime: number;
     private unmounted = false;
     private nextBatch: string = null;
-    private filterTimeout: NodeJS.Timeout;
+    private filterTimeout: number;
     private protocols: Protocols;
 
     constructor(props) {
@@ -252,7 +232,7 @@ export default class RoomDirectory extends React.Component<IProps, IState> {
         // remember the next batch token when we sent the request
         // too. If it's changed, appending to the list will corrupt it.
         const nextBatch = this.nextBatch;
-        const opts: IPublicRoomsRequest = { limit: 20 };
+        const opts: IRoomDirectoryOptions = { limit: 20 };
         if (roomServer != MatrixClientPeg.getHomeserverName()) {
             opts.server = roomServer;
         }
@@ -325,7 +305,7 @@ export default class RoomDirectory extends React.Component<IProps, IState> {
      * HS admins to do this through the RoomSettings interface, but
      * this needs SPEC-417.
      */
-    private removeFromDirectory(room: IRoom) {
+    private removeFromDirectory(room: IPublicRoomsChunkRoom) {
         const alias = getDisplayAliasForRoom(room);
         const name = room.name || alias || _t('Unnamed room');
 
@@ -345,7 +325,7 @@ export default class RoomDirectory extends React.Component<IProps, IState> {
                 const modal = Modal.createDialog(Spinner);
                 let step = _t('remove %(name)s from the directory.', { name: name });
 
-                MatrixClientPeg.get().setRoomDirectoryVisibility(room.room_id, 'private').then(() => {
+                MatrixClientPeg.get().setRoomDirectoryVisibility(room.room_id, Visibility.Private).then(() => {
                     if (!alias) return;
                     step = _t('delete the address.');
                     return MatrixClientPeg.get().deleteAlias(alias);
@@ -367,7 +347,7 @@ export default class RoomDirectory extends React.Component<IProps, IState> {
         });
     }
 
-    private onRoomClicked = (room: IRoom, ev: ButtonEvent) => {
+    private onRoomClicked = (room: IPublicRoomsChunkRoom, ev: ButtonEvent) => {
         // If room was shift-clicked, remove it from the room directory
         if (ev.shiftKey && !this.state.selectedCommunityId) {
             ev.preventDefault();
@@ -480,17 +460,17 @@ export default class RoomDirectory extends React.Component<IProps, IState> {
         }
     };
 
-    private onPreviewClick = (ev: ButtonEvent, room: IRoom) => {
+    private onPreviewClick = (ev: ButtonEvent, room: IPublicRoomsChunkRoom) => {
         this.showRoom(room, null, false, true);
         ev.stopPropagation();
     };
 
-    private onViewClick = (ev: ButtonEvent, room: IRoom) => {
+    private onViewClick = (ev: ButtonEvent, room: IPublicRoomsChunkRoom) => {
         this.showRoom(room);
         ev.stopPropagation();
     };
 
-    private onJoinClick = (ev: ButtonEvent, room: IRoom) => {
+    private onJoinClick = (ev: ButtonEvent, room: IPublicRoomsChunkRoom) => {
         this.showRoom(room, null, true);
         ev.stopPropagation();
     };
@@ -508,7 +488,7 @@ export default class RoomDirectory extends React.Component<IProps, IState> {
         this.showRoom(null, alias, autoJoin);
     }
 
-    private showRoom(room: IRoom, roomAlias?: string, autoJoin = false, shouldPeek = false) {
+    private showRoom(room: IPublicRoomsChunkRoom, roomAlias?: string, autoJoin = false, shouldPeek = false) {
         this.onFinished();
         const payload: ActionPayload = {
             action: 'view_room',
@@ -557,7 +537,7 @@ export default class RoomDirectory extends React.Component<IProps, IState> {
         dis.dispatch(payload);
     }
 
-    private createRoomCells(room: IRoom) {
+    private createRoomCells(room: IPublicRoomsChunkRoom) {
         const client = MatrixClientPeg.get();
         const clientRoom = client.getRoom(room.room_id);
         const hasJoinedRoom = clientRoom && clientRoom.getMyMembership() === "join";
@@ -853,6 +833,6 @@ export default class RoomDirectory extends React.Component<IProps, IState> {
 
 // Similar to matrix-react-sdk's MatrixTools.getDisplayAliasForRoom
 // but works with the objects we get from the public room list
-function getDisplayAliasForRoom(room: IRoom) {
+function getDisplayAliasForRoom(room: IPublicRoomsChunkRoom) {
-    return room.canonical_alias || room.aliases?.[0] || "";
+    return getDisplayAliasForAliasSet(room.canonical_alias, room.aliases);
 }

src/components/structures/RoomView.tsx

@@ -25,8 +25,8 @@ import React, { createRef } from 'react';
 import classNames from 'classnames';
 import { IRecommendedVersion, NotificationCountType, Room } from "matrix-js-sdk/src/models/room";
 import { MatrixEvent } from "matrix-js-sdk/src/models/event";
-import { SearchResult } from "matrix-js-sdk/src/models/search-result";
 import { EventSubscription } from "fbemitter";
+import { ISearchResults } from 'matrix-js-sdk/src/@types/search';
 
 import shouldHideEvent from '../../shouldHideEvent';
 import { _t } from '../../languageHandler';
@@ -89,6 +89,7 @@ import RoomStatusBar from "./RoomStatusBar";
 import MessageComposer from '../views/rooms/MessageComposer';
 import JumpToBottomButton from "../views/rooms/JumpToBottomButton";
 import TopUnreadMessagesBar from "../views/rooms/TopUnreadMessagesBar";
+import SpaceStore from "../../stores/SpaceStore";
 
 const DEBUG = false;
 let debuglog = function(msg: string) {};
@@ -133,12 +134,7 @@ export interface IState {
     searching: boolean;
     searchTerm?: string;
     searchScope?: SearchScope;
-    searchResults?: XOR<{}, {
+    searchResults?: XOR<{}, ISearchResults>;
-        count: number;
-        highlights: string[];
-        results: SearchResult[];
-        next_batch: string; // eslint-disable-line camelcase
-    }>;
     searchHighlights?: string[];
     searchInProgress?: boolean;
     callState?: CallState;
@@ -170,6 +166,7 @@ export interface IState {
     canReply: boolean;
     layout: Layout;
     lowBandwidth: boolean;
+    showHiddenEventsInTimeline: boolean;
     showReadReceipts: boolean;
     showRedactions: boolean;
     showJoinLeaves: boolean;
@@ -234,6 +231,7 @@ export default class RoomView extends React.Component<IProps, IState> {
             canReply: false,
             layout: SettingsStore.getValue("layout"),
             lowBandwidth: SettingsStore.getValue("lowBandwidth"),
+            showHiddenEventsInTimeline: SettingsStore.getValue("showHiddenEventsInTimeline"),
             showReadReceipts: true,
             showRedactions: true,
             showJoinLeaves: true,
@@ -257,7 +255,6 @@ export default class RoomView extends React.Component<IProps, IState> {
         this.context.on("userTrustStatusChanged", this.onUserVerificationChanged);
         this.context.on("crossSigning.keysChanged", this.onCrossSigningKeysChanged);
         this.context.on("Event.decrypted", this.onEventDecrypted);
-        this.context.on("event", this.onEvent);
         // Start listening for RoomViewStore updates
         this.roomStoreToken = RoomViewStore.addListener(this.onRoomViewStoreUpdate);
         this.rightPanelStoreToken = RightPanelStore.getSharedInstance().addListener(this.onRightPanelStoreUpdate);
@@ -272,6 +269,9 @@ export default class RoomView extends React.Component<IProps, IState> {
             SettingsStore.watchSetting("lowBandwidth", null, () =>
                 this.setState({ lowBandwidth: SettingsStore.getValue("lowBandwidth") }),
             ),
+            SettingsStore.watchSetting("showHiddenEventsInTimeline", null, () =>
+                this.setState({ showHiddenEventsInTimeline: SettingsStore.getValue("showHiddenEventsInTimeline") }),
+            ),
         ];
     }
 
@@ -641,7 +641,6 @@ export default class RoomView extends React.Component<IProps, IState> {
             this.context.removeListener("userTrustStatusChanged", this.onUserVerificationChanged);
             this.context.removeListener("crossSigning.keysChanged", this.onCrossSigningKeysChanged);
             this.context.removeListener("Event.decrypted", this.onEventDecrypted);
-            this.context.removeListener("event", this.onEvent);
         }
 
         window.removeEventListener('beforeunload', this.onPageUnload);
@@ -841,8 +840,7 @@ export default class RoomView extends React.Component<IProps, IState> {
         if (this.unmounted) return;
 
         // ignore events for other rooms
-        if (!room) return;
+        if (!room || room.roomId !== this.state.room?.roomId) return;
-        if (!this.state.room || room.roomId != this.state.room.roomId) return;
 
         // ignore events from filtered timelines
         if (data.timeline.getTimelineSet() !== room.getUnfilteredTimelineSet()) return;
@@ -863,6 +861,10 @@ export default class RoomView extends React.Component<IProps, IState> {
         // we'll only be showing a spinner.
         if (this.state.joining) return;
 
+        if (!ev.isBeingDecrypted() && !ev.isDecryptionFailure()) {
+            this.handleEffects(ev);
+        }
+
         if (ev.getSender() !== this.context.credentials.userId) {
             // update unread count when scrolled up
             if (!this.state.searchResults && this.state.atEndOfLiveTimeline) {
@@ -875,20 +877,14 @@ export default class RoomView extends React.Component<IProps, IState> {
         }
     };
 
-    private onEventDecrypted = (ev) => {
+    private onEventDecrypted = (ev: MatrixEvent) => {
+        if (!this.state.room || !this.state.matrixClientIsReady) return; // not ready at all
+        if (ev.getRoomId() !== this.state.room.roomId) return; // not for us
         if (ev.isDecryptionFailure()) return;
         this.handleEffects(ev);
     };
 
-    private onEvent = (ev) => {
+    private handleEffects = (ev: MatrixEvent) => {
-        if (ev.isBeingDecrypted() || ev.isDecryptionFailure()) return;
-        this.handleEffects(ev);
-    };
-
-    private handleEffects = (ev) => {
-        if (!this.state.room || !this.state.matrixClientIsReady) return; // not ready at all
-        if (ev.getRoomId() !== this.state.room.roomId) return; // not for us
-
         const notifState = RoomNotificationStateStore.instance.getRoomState(this.state.room);
         if (!notifState.isUnread) return;
 
@@ -921,6 +917,7 @@ export default class RoomView extends React.Component<IProps, IState> {
     // called when state.room is first initialised (either at initial load,
     // after a successful peek, or after we join the room).
     private onRoomLoaded = (room: Room) => {
+        if (this.unmounted) return;
         // Attach a widget store listener only when we get a room
         WidgetLayoutStore.instance.on(WidgetLayoutStore.emissionForRoom(room), this.onWidgetLayoutChange);
         this.onWidgetLayoutChange(); // provoke an update
@@ -935,9 +932,9 @@ export default class RoomView extends React.Component<IProps, IState> {
     };
 
     private async calculateRecommendedVersion(room: Room) {
-        this.setState({
+        const upgradeRecommendation = await room.getRecommendedVersion();
-            upgradeRecommendation: await room.getRecommendedVersion(),
+        if (this.unmounted) return;
-        });
+        this.setState({ upgradeRecommendation });
     }
 
     private async loadMembersIfJoined(room: Room) {
@@ -1027,23 +1024,19 @@ export default class RoomView extends React.Component<IProps, IState> {
     };
 
     private async updateE2EStatus(room: Room) {
-        if (!this.context.isRoomEncrypted(room.roomId)) {
+        if (!this.context.isRoomEncrypted(room.roomId)) return;
-            return;
+
-        }
+        // If crypto is not currently enabled, we aren't tracking devices at all,
-        if (!this.context.isCryptoEnabled()) {
+        // so we don't know what the answer is. Let's error on the safe side and show
-            // If crypto is not currently enabled, we aren't tracking devices at all,
+        // a warning for this case.
-            // so we don't know what the answer is. Let's error on the safe side and show
+        let e2eStatus = E2EStatus.Warning;
-            // a warning for this case.
+        if (this.context.isCryptoEnabled()) {
-            this.setState({
+            /* At this point, the user has encryption on and cross-signing on */
-                e2eStatus: E2EStatus.Warning,
+            e2eStatus = await shieldStatusForRoom(this.context, room);
-            });
-            return;
         }
 
-        /* At this point, the user has encryption on and cross-signing on */
+        if (this.unmounted) return;
-        this.setState({
+        this.setState({ e2eStatus });
-            e2eStatus: await shieldStatusForRoom(this.context, room),
-        });
     }
 
     private onAccountData = (event: MatrixEvent) => {
@@ -1137,7 +1130,7 @@ export default class RoomView extends React.Component<IProps, IState> {
 
         if (this.state.searchResults.next_batch) {
             debuglog("requesting more search results");
-            const searchPromise = searchPagination(this.state.searchResults);
+            const searchPromise = searchPagination(this.state.searchResults as ISearchResults);
             return this.handleSearchResult(searchPromise);
         } else {
             debuglog("no more search results");
@@ -1400,7 +1393,7 @@ export default class RoomView extends React.Component<IProps, IState> {
                 continue;
             }
 
-            if (!haveTileForEvent(mxEv)) {
+            if (!haveTileForEvent(mxEv, this.state.showHiddenEventsInTimeline)) {
                 // XXX: can this ever happen? It will make the result count
                 // not match the displayed count.
                 continue;
@@ -1753,10 +1746,8 @@ export default class RoomView extends React.Component<IProps, IState> {
         }
 
         const myMembership = this.state.room.getMyMembership();
-        if (myMembership === "invite"
+        // SpaceRoomView handles invites itself
-            // SpaceRoomView handles invites itself
+        if (myMembership === "invite" && (!SpaceStore.spacesEnabled || !this.state.room.isSpaceRoom())) {
-            && (!SettingsStore.getValue("feature_spaces") || !this.state.room.isSpaceRoom())
-        ) {
             if (this.state.joining || this.state.rejecting) {
                 return (
                     <ErrorBoundary>
@@ -1887,7 +1878,7 @@ export default class RoomView extends React.Component<IProps, IState> {
                     room={this.state.room}
                 />
             );
-            if (!this.state.canPeek && (!SettingsStore.getValue("feature_spaces") || !this.state.room?.isSpaceRoom())) {
+            if (!this.state.canPeek && (!SpaceStore.spacesEnabled || !this.state.room?.isSpaceRoom())) {
                 return (
                     <div className="mx_RoomView">
                         { previewBar }

src/components/structures/ScrollPanel.tsx

@@ -187,7 +187,7 @@ export default class ScrollPanel extends React.Component<IProps> {
     private fillRequestWhileRunning: boolean;
     private scrollState: IScrollState;
     private preventShrinkingState: IPreventShrinkingState;
-    private unfillDebouncer: NodeJS.Timeout;
+    private unfillDebouncer: number;
     private bottomGrowth: number;
     private pages: number;
     private heightUpdateInProgress: boolean;

src/components/structures/SpaceRoomDirectory.tsx

@@ -18,6 +18,7 @@ import React, { ReactNode, useMemo, useState } from "react";
 import { Room } from "matrix-js-sdk/src/models/room";
 import { MatrixClient } from "matrix-js-sdk/src/client";
 import { EventType, RoomType } from "matrix-js-sdk/src/@types/event";
+import { ISpaceSummaryRoom, ISpaceSummaryEvent } from "matrix-js-sdk/src/@types/spaces";
 import classNames from "classnames";
 import { sortBy } from "lodash";
 
@@ -42,6 +43,7 @@ import { useStateToggle } from "../../hooks/useStateToggle";
 import { getChildOrder } from "../../stores/SpaceStore";
 import AccessibleTooltipButton from "../views/elements/AccessibleTooltipButton";
 import { linkifyElement } from "../../HtmlUtils";
+import { getDisplayAliasForAliasSet } from "../../Rooms";
 
 interface IHierarchyProps {
     space: Room;
@@ -51,36 +53,6 @@ interface IHierarchyProps {
     showRoom(room: ISpaceSummaryRoom, viaServers?: string[], autoJoin?: boolean): void;
 }
 
-/* eslint-disable camelcase */
-export interface ISpaceSummaryRoom {
-    canonical_alias?: string;
-    aliases: string[];
-    avatar_url?: string;
-    guest_can_join: boolean;
-    name?: string;
-    num_joined_members: number;
-    room_id: string;
-    topic?: string;
-    world_readable: boolean;
-    num_refs: number;
-    room_type: string;
-}
-
-export interface ISpaceSummaryEvent {
-    room_id: string;
-    event_id: string;
-    origin_server_ts: number;
-    type: string;
-    state_key: string;
-    content: {
-        order?: string;
-        suggested?: boolean;
-        auto_join?: boolean;
-        via?: string[];
-    };
-}
-/* eslint-enable camelcase */
-
 interface ITileProps {
     room: ISpaceSummaryRoom;
     suggested?: boolean;
@@ -666,5 +638,5 @@ export default SpaceRoomDirectory;
 // Similar to matrix-react-sdk's MatrixTools.getDisplayAliasForRoom
 // but works with the objects we get from the public room list
 function getDisplayAliasForRoom(room: ISpaceSummaryRoom) {
-    return room.canonical_alias || (room.aliases ? room.aliases[0] : "");
+    return getDisplayAliasForAliasSet(room.canonical_alias, room.aliases);
 }

src/components/structures/SpaceRoomView.tsx

@@ -62,7 +62,6 @@ import IconizedContextMenu, {
 import AccessibleTooltipButton from "../views/elements/AccessibleTooltipButton";
 import { BetaPill } from "../views/beta/BetaCard";
 import { UserTab } from "../views/dialogs/UserSettingsDialog";
-import SettingsStore from "../../settings/SettingsStore";
 import Modal from "../../Modal";
 import BetaFeedbackDialog from "../views/dialogs/BetaFeedbackDialog";
 import SdkConfig from "../../SdkConfig";
@@ -178,7 +177,7 @@ const SpacePreview = ({ space, onJoinButtonClicked, onRejectButtonClicked }) =>
 
     const [busy, setBusy] = useState(false);
 
-    const spacesEnabled = SettingsStore.getValue("feature_spaces");
+    const spacesEnabled = SpaceStore.spacesEnabled;
 
     const cannotJoin = getEffectiveMembership(myMembership) === EffectiveMembership.Leave
         && space.getJoinRule() !== JoinRule.Public;
@@ -854,7 +853,7 @@ export default class SpaceRoomView extends React.PureComponent<IProps, IState> {
     private renderBody() {
         switch (this.state.phase) {
             case Phase.Landing:
-                if (this.state.myMembership === "join" && SettingsStore.getValue("feature_spaces")) {
+                if (this.state.myMembership === "join" && SpaceStore.spacesEnabled) {
                     return <SpaceLanding space={this.props.space} />;
                 } else {
                     return <SpacePreview

src/components/structures/TabbedView.tsx

@@ -20,6 +20,7 @@ import * as React from "react";
 import { _t } from '../../languageHandler';
 import AutoHideScrollbar from './AutoHideScrollbar';
 import { replaceableComponent } from "../../utils/replaceableComponent";
+import classNames from "classnames";
 import AccessibleButton from "../views/elements/AccessibleButton";
 
 /**
@@ -37,9 +38,16 @@ export class Tab {
     }
 }
 
+export enum TabLocation {
+    LEFT = 'left',
+    TOP = 'top',
+}
+
 interface IProps {
     tabs: Tab[];
     initialTabId?: string;
+    tabLocation: TabLocation;
+    onChange?: (tabId: string) => void;
 }
 
 interface IState {
@@ -62,6 +70,10 @@ export default class TabbedView extends React.Component<IProps, IState> {
         };
     }
 
+    static defaultProps = {
+        tabLocation: TabLocation.LEFT,
+    };
+
     private _getActiveTabIndex() {
         if (!this.state || !this.state.activeTabIndex) return 0;
         return this.state.activeTabIndex;
@@ -75,6 +87,7 @@ export default class TabbedView extends React.Component<IProps, IState> {
     private _setActiveTab(tab: Tab) {
         const idx = this.props.tabs.indexOf(tab);
         if (idx !== -1) {
+            if (this.props.onChange) this.props.onChange(tab.id);
             this.setState({ activeTabIndex: idx });
         } else {
             console.error("Could not find tab " + tab.label + " in tabs");
@@ -119,8 +132,14 @@ export default class TabbedView extends React.Component<IProps, IState> {
         const labels = this.props.tabs.map(tab => this._renderTabLabel(tab));
         const panel = this._renderTabPanel(this.props.tabs[this._getActiveTabIndex()]);
 
+        const tabbedViewClasses = classNames({
+            'mx_TabbedView': true,
+            'mx_TabbedView_tabsOnLeft': this.props.tabLocation == TabLocation.LEFT,
+            'mx_TabbedView_tabsOnTop': this.props.tabLocation == TabLocation.TOP,
+        });
+
         return (
-            <div className="mx_TabbedView">
+            <div className={tabbedViewClasses}>
                 <div className="mx_TabbedView_tabLabels">
                     {labels}
                 </div>

src/components/structures/TimelinePanel.tsx

@@ -555,9 +555,8 @@ class TimelinePanel extends React.Component<IProps, IState> {
                 // more than the timeout on userActiveRecently.
                 //
                 const myUserId = MatrixClientPeg.get().credentials.userId;
-                const sender = ev.sender ? ev.sender.userId : null;
                 callRMUpdated = false;
-                if (sender != myUserId && !UserActivity.sharedInstance().userActiveRecently()) {
+                if (ev.getSender() !== myUserId && !UserActivity.sharedInstance().userActiveRecently()) {
                     updatedState.readMarkerVisible = true;
                 } else if (lastLiveEvent && this.getReadMarkerPosition() === 0) {
                     // we know we're stuckAtBottom, so we can advance the RM
@@ -863,7 +862,7 @@ class TimelinePanel extends React.Component<IProps, IState> {
         const myUserId = MatrixClientPeg.get().credentials.userId;
         for (i++; i < events.length; i++) {
             const ev = events[i];
-            if (!ev.sender || ev.sender.userId != myUserId) {
+            if (ev.getSender() !== myUserId) {
                 break;
             }
         }
@@ -1051,6 +1050,8 @@ class TimelinePanel extends React.Component<IProps, IState> {
             { windowLimit: this.props.timelineCap });
 
         const onLoaded = () => {
+            if (this.unmounted) return;
+
             // clear the timeline min-height when
             // (re)loading the timeline
             if (this.messagePanel.current) {
@@ -1092,6 +1093,8 @@ class TimelinePanel extends React.Component<IProps, IState> {
         };
 
         const onError = (error) => {
+            if (this.unmounted) return;
+
             this.setState({ timelineLoading: false });
             console.error(
                 `Error loading timeline panel at ${eventId}: ${error}`,
@@ -1333,8 +1336,9 @@ class TimelinePanel extends React.Component<IProps, IState> {
             }
 
             const shouldIgnore = !!ev.status || // local echo
-                (ignoreOwn && ev.sender && ev.sender.userId == myUserId);   // own message
+                (ignoreOwn && ev.getSender() === myUserId); // own message
-            const isWithoutTile = !haveTileForEvent(ev) || shouldHideEvent(ev, this.context);
+            const isWithoutTile = !haveTileForEvent(ev, this.context?.showHiddenEventsInTimeline) ||
+                shouldHideEvent(ev, this.context);
 
             if (isWithoutTile || !node) {
                 // don't start counting if the event should be ignored,

src/components/structures/UserMenu.tsx

@@ -90,7 +90,7 @@ export default class UserMenu extends React.Component<IProps, IState> {
         };
 
         OwnProfileStore.instance.on(UPDATE_EVENT, this.onProfileUpdate);
-        if (SettingsStore.getValue("feature_spaces")) {
+        if (SpaceStore.spacesEnabled) {
             SpaceStore.instance.on(UPDATE_SELECTED_SPACE, this.onSelectedSpaceUpdate);
         }
 
@@ -115,7 +115,7 @@ export default class UserMenu extends React.Component<IProps, IState> {
         if (this.dispatcherRef) defaultDispatcher.unregister(this.dispatcherRef);
         OwnProfileStore.instance.off(UPDATE_EVENT, this.onProfileUpdate);
         this.tagStoreRef.remove();
-        if (SettingsStore.getValue("feature_spaces")) {
+        if (SpaceStore.spacesEnabled) {
             SpaceStore.instance.off(UPDATE_SELECTED_SPACE, this.onSelectedSpaceUpdate);
         }
         MatrixClientPeg.get().removeListener("Room", this.onRoom);

src/components/views/audio_messages/RecordingPlayback.tsx

@@ -17,15 +17,18 @@ limitations under the License.
 import { Playback, PlaybackState } from "../../../voice/Playback";
 import React, { ReactNode } from "react";
 import { UPDATE_EVENT } from "../../../stores/AsyncStore";
-import PlaybackWaveform from "./PlaybackWaveform";
 import PlayPauseButton from "./PlayPauseButton";
 import PlaybackClock from "./PlaybackClock";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import { TileShape } from "../rooms/EventTile";
+import PlaybackWaveform from "./PlaybackWaveform";
 
 interface IProps {
     // Playback instance to render. Cannot change during component lifecycle: create
     // an all-new component instead.
     playback: Playback;
+
+    tileShape?: TileShape;
 }
 
 interface IState {
@@ -50,15 +53,22 @@ export default class RecordingPlayback extends React.PureComponent<IProps, IStat
         this.props.playback.prepare();
     }
 
+    private get isWaveformable(): boolean {
+        return this.props.tileShape !== TileShape.Notif
+            && this.props.tileShape !== TileShape.FileGrid
+            && this.props.tileShape !== TileShape.Pinned;
+    }
+
     private onPlaybackUpdate = (ev: PlaybackState) => {
         this.setState({ playbackPhase: ev });
     };
 
     public render(): ReactNode {
-        return <div className='mx_MediaBody mx_VoiceMessagePrimaryContainer'>
+        const shapeClass = !this.isWaveformable ? 'mx_VoiceMessagePrimaryContainer_noWaveform' : '';
+        return <div className={'mx_MediaBody mx_VoiceMessagePrimaryContainer ' + shapeClass}>
             <PlayPauseButton playback={this.props.playback} playbackPhase={this.state.playbackPhase} />
             <PlaybackClock playback={this.props.playback} />
-            <PlaybackWaveform playback={this.props.playback} />
+            { this.isWaveformable && <PlaybackWaveform playback={this.props.playback} /> }
         </div>;
     }
 }

src/components/views/auth/InteractiveAuthEntryComponents.tsx

@@ -41,7 +41,7 @@ import CaptchaForm from "./CaptchaForm";
  *                         one HS whilst beign a guest on another).
  * loginType:              the login type of the auth stage being attempted
  * authSessionId:          session id from the server
- * clientSecret:           The client secret in use for ID server auth sessions
+ * clientSecret:           The client secret in use for identity server auth sessions
  * stageParams:            params from the server for the stage being attempted
  * errorText:              error message from a previous attempt to authenticate
  * submitAuthDict:         a function which will be called with the new auth dict
@@ -54,8 +54,8 @@ import CaptchaForm from "./CaptchaForm";
  *                         Defined keys for stages are:
  *                             m.login.email.identity:
  *                              * emailSid: string representing the sid of the active
- *                                          verification session from the ID server, or
+ *                                          verification session from the identity server,
- *                                          null if no session is active.
+ *                                          or null if no session is active.
  * fail:                   a function which should be called with an error object if an
  *                         error occurred during the auth stage. This will cause the auth
  *                         session to be failed and the process to go back to the start.

src/components/views/avatars/RoomAvatar.tsx

@@ -22,6 +22,7 @@ import ImageView from '../elements/ImageView';
 import { MatrixClientPeg } from '../../../MatrixClientPeg';
 import Modal from '../../../Modal';
 import * as Avatar from '../../../Avatar';
+import DMRoomMap from "../../../utils/DMRoomMap";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
 import { mediaFromMxc } from "../../../customisations/Media";
 import { IOOBData } from '../../../stores/ThreepidInviteStore';
@@ -131,11 +132,14 @@ export default class RoomAvatar extends React.Component<IProps, IState> {
         const { room, oobData, viewAvatarOnClick, onClick, ...otherProps } = this.props;
 
         const roomName = room ? room.name : oobData.name;
+        // If the room is a DM, we use the other user's ID for the color hash
+        // in order to match the room avatar with their avatar
+        const idName = room ? (DMRoomMap.shared().getUserIdForRoomId(room.roomId) ?? room.roomId) : null;
 
         return (
             <BaseAvatar {...otherProps}
                 name={roomName}
-                idName={room ? room.roomId : null}
+                idName={idName}
                 urls={this.state.urls}
                 onClick={viewAvatarOnClick && this.state.urls[0] ? this.onRoomAvatarClick : onClick}
             />

src/components/views/beta/BetaCard.tsx

@@ -105,7 +105,7 @@ const BetaCard = ({ title: titleOverride, featureId }: IProps) => {
             </div>
             <img src={image} alt="" />
         </div>
-        { extraSettings && <div className="mx_BetaCard_relatedSettings">
+        { extraSettings && value && <div className="mx_BetaCard_relatedSettings">
             { extraSettings.map(key => (
                 <SettingsFlag key={key} name={key} level={SettingLevel.DEVICE} />
             )) }

src/components/views/context_menus/CallContextMenu.tsx

@@ -53,7 +53,7 @@ export default class CallContextMenu extends React.Component<IProps> {
     onTransferClick = () => {
         Modal.createTrackedDialog(
             'Transfer Call', '', InviteDialog, { kind: KIND_CALL_TRANSFER, call: this.props.call },
-            /*className=*/null, /*isPriority=*/false, /*isStatic=*/true,
+            /*className=*/"mx_InviteDialog_transferWrapper", /*isPriority=*/false, /*isStatic=*/true,
         );
         this.props.onFinished();
     };

src/components/views/context_menus/DialpadContextMenu.tsx

@@ -15,11 +15,11 @@ limitations under the License.
 */
 
 import React from 'react';
-import { _t } from '../../../languageHandler';
+import AccessibleButton from "../elements/AccessibleButton";
 import { ContextMenu, IProps as IContextMenuProps } from '../../structures/ContextMenu';
 import { MatrixCall } from 'matrix-js-sdk/src/webrtc/call';
 import Field from "../elements/Field";
-import Dialpad from '../voip/DialPad';
+import DialPad from '../voip/DialPad';
 import { replaceableComponent } from "../../../utils/replaceableComponent";
 
 interface IProps extends IContextMenuProps {
@@ -45,24 +45,29 @@ export default class DialpadContextMenu extends React.Component<IProps, IState>
         this.setState({ value: this.state.value + digit });
     };
 
+    onCancelClick = () => {
+        this.props.onFinished();
+    };
+
     onChange = (ev) => {
         this.setState({ value: ev.target.value });
     };
 
     render() {
         return <ContextMenu {...this.props}>
-            <div className="mx_DialPadContextMenu_header">
+            <div className="mx_DialPadContextMenuWrapper">
                 <div>
-                    <span className="mx_DialPadContextMenu_title">{_t("Dial pad")}</span>
+                    <AccessibleButton className="mx_DialPadContextMenu_cancel" onClick={this.onCancelClick} />
+                </div>
+                <div className="mx_DialPadContextMenu_header">
+                    <Field className="mx_DialPadContextMenu_dialled"
+                        value={this.state.value} autoFocus={true}
+                        onChange={this.onChange}
+                    />
+                </div>
+                <div className="mx_DialPadContextMenu_dialPad">
+                    <DialPad onDigitPress={this.onDigitPress} hasDial={false} />
                 </div>
-                <Field className="mx_DialPadContextMenu_dialled"
-                    value={this.state.value} autoFocus={true}
-                    onChange={this.onChange}
-                />
-            </div>
-            <div className="mx_DialPadContextMenu_horizSep" />
-            <div className="mx_DialPadContextMenu_dialPad">
-                <Dialpad onDigitPress={this.onDigitPress} hasDialAndDelete={false} />
             </div>
         </ContextMenu>;
     }

src/components/views/dialogs/ForwardDialog.tsx

@@ -43,6 +43,7 @@ import QueryMatcher from "../../../autocomplete/QueryMatcher";
 import TruncatedList from "../elements/TruncatedList";
 import EntityTile from "../rooms/EntityTile";
 import BaseAvatar from "../avatars/BaseAvatar";
+import SpaceStore from "../../../stores/SpaceStore";
 
 const AVATAR_SIZE = 30;
 
@@ -180,7 +181,7 @@ const ForwardDialog: React.FC<IProps> = ({ matrixClient: cli, event, permalinkCr
     const [query, setQuery] = useState("");
     const lcQuery = query.toLowerCase();
 
-    const spacesEnabled = useFeatureEnabled("feature_spaces");
+    const spacesEnabled = SpaceStore.spacesEnabled;
     const flairEnabled = useFeatureEnabled(UIFeature.Flair);
     const previewLayout = useSettingValue<Layout>("layout");
 

src/components/views/dialogs/IntegrationsImpossibleDialog.js

@@ -46,7 +46,7 @@ export default class IntegrationsImpossibleDialog extends React.Component {
                 <div className='mx_IntegrationsImpossibleDialog_content'>
                     <p>
                         {_t(
-                            "Your %(brand)s doesn't allow you to use an Integration Manager to do this. " +
+                            "Your %(brand)s doesn't allow you to use an integration manager to do this. " +
                             "Please contact an admin.",
                             { brand },
                         )}

src/components/views/dialogs/InviteDialog.tsx

@@ -32,7 +32,6 @@ import Modal from "../../../Modal";
 import { humanizeTime } from "../../../utils/humanize";
 import createRoom, {
     canEncryptToAllUsers,
-    ensureDMExists,
     findDMForUser,
     privateShouldBeEncrypted,
 } from "../../../createRoom";
@@ -64,9 +63,15 @@ import { copyPlaintext, selectText } from "../../../utils/strings";
 import * as ContextMenu from "../../structures/ContextMenu";
 import { toRightOf } from "../../structures/ContextMenu";
 import GenericTextContextMenu from "../context_menus/GenericTextContextMenu";
+import { TransferCallPayload } from '../../../dispatcher/payloads/TransferCallPayload';
+import Field from '../elements/Field';
+import TabbedView, { Tab, TabLocation } from '../../structures/TabbedView';
+import Dialpad from '../voip/DialPad';
 import QuestionDialog from "./QuestionDialog";
 import Spinner from "../elements/Spinner";
 import BaseDialog from "./BaseDialog";
+import DialPadBackspaceButton from "../elements/DialPadBackspaceButton";
+import SpaceStore from "../../../stores/SpaceStore";
 
 // we have a number of types defined from the Matrix spec which can't reasonably be altered here.
 /* eslint-disable camelcase */
@@ -79,11 +84,19 @@ interface IRecentUser {
 
 export const KIND_DM = "dm";
 export const KIND_INVITE = "invite";
+// NB. This dialog needs the 'mx_InviteDialog_transferWrapper' wrapper class to have the correct
+// padding on the bottom (because all modals have 24px padding on all sides), so this needs to
+// be passed when creating the modal
 export const KIND_CALL_TRANSFER = "call_transfer";
 
 const INITIAL_ROOMS_SHOWN = 3; // Number of rooms to show at first
 const INCREMENT_ROOMS_SHOWN = 5; // Number of rooms to add when 'show more' is clicked
 
+enum TabId {
+    UserDirectory = 'users',
+    DialPad = 'dialpad',
+}
+
 // This is the interface that is expected by various components in the Invite Dialog and RoomInvite.
 // It is a bit awkward because it also matches the RoomMember class from the js-sdk with some extra support
 // for 3PIDs/email addresses.
@@ -109,11 +122,11 @@ export abstract class Member {
 
 class DirectoryMember extends Member {
     private readonly _userId: string;
-    private readonly displayName: string;
+    private readonly displayName?: string;
-    private readonly avatarUrl: string;
+    private readonly avatarUrl?: string;
 
     // eslint-disable-next-line camelcase
-    constructor(userDirResult: { user_id: string, display_name: string, avatar_url: string }) {
+    constructor(userDirResult: { user_id: string, display_name?: string, avatar_url?: string }) {
         super();
         this._userId = userDirResult.user_id;
         this.displayName = userDirResult.display_name;
@@ -356,6 +369,8 @@ interface IInviteDialogState {
     canUseIdentityServer: boolean;
     tryingIdentityServer: boolean;
     consultFirst: boolean;
+    dialPadValue: string;
+    currentTabId: TabId;
 
     // These two flags are used for the 'Go' button to communicate what is going on.
     busy: boolean;
@@ -370,7 +385,7 @@ export default class InviteDialog extends React.PureComponent<IInviteDialogProps
     };
 
     private closeCopiedTooltip: () => void;
-    private debounceTimer: NodeJS.Timeout = null; // actually number because we're in the browser
+    private debounceTimer: number = null; // actually number because we're in the browser
     private editorRef = createRef<HTMLInputElement>();
     private unmounted = false;
 
@@ -407,6 +422,8 @@ export default class InviteDialog extends React.PureComponent<IInviteDialogProps
             canUseIdentityServer: !!MatrixClientPeg.get().getIdentityServerUrl(),
             tryingIdentityServer: false,
             consultFirst: false,
+            dialPadValue: '',
+            currentTabId: TabId.UserDirectory,
 
             // These two flags are used for the 'Go' button to communicate what is going on.
             busy: false,
@@ -768,44 +785,32 @@ export default class InviteDialog extends React.PureComponent<IInviteDialogProps
     };
 
     private transferCall = async () => {
-        this.convertFilter();
+        if (this.state.currentTabId == TabId.UserDirectory) {
-        const targets = this.convertFilter();
+            this.convertFilter();
-        const targetIds = targets.map(t => t.userId);
+            const targets = this.convertFilter();
-        if (targetIds.length > 1) {
+            const targetIds = targets.map(t => t.userId);
-            this.setState({
+            if (targetIds.length > 1) {
-                errorText: _t("A call can only be transferred to a single user."),
-            });
-        }
-
-        if (this.state.consultFirst) {
-            const dmRoomId = await ensureDMExists(MatrixClientPeg.get(), targetIds[0]);
-
-            dis.dispatch({
-                action: 'place_call',
-                type: this.props.call.type,
-                room_id: dmRoomId,
-                transferee: this.props.call,
-            });
-            dis.dispatch({
-                action: 'view_room',
-                room_id: dmRoomId,
-                should_peek: false,
-                joining: false,
-            });
-            this.props.onFinished();
-        } else {
-            this.setState({ busy: true });
-            try {
-                await this.props.call.transfer(targetIds[0]);
-                this.setState({ busy: false });
-                this.props.onFinished();
-            } catch (e) {
                 this.setState({
-                    busy: false,
+                    errorText: _t("A call can only be transferred to a single user."),
-                    errorText: _t("Failed to transfer call"),
                 });
+                return;
             }
+
+            dis.dispatch({
+                action: Action.TransferCallToMatrixID,
+                call: this.props.call,
+                destination: targetIds[0],
+                consultFirst: this.state.consultFirst,
+            } as TransferCallPayload);
+        } else {
+            dis.dispatch({
+                action: Action.TransferCallToPhoneNumber,
+                call: this.props.call,
+                destination: this.state.dialPadValue,
+                consultFirst: this.state.consultFirst,
+            } as TransferCallPayload);
         }
+        this.props.onFinished();
     };
 
     private onKeyDown = (e) => {
@@ -827,6 +832,10 @@ export default class InviteDialog extends React.PureComponent<IInviteDialogProps
         }
     };
 
+    private onCancel = () => {
+        this.props.onFinished([]);
+    };
+
     private updateSuggestions = async (term) => {
         MatrixClientPeg.get().searchUserDirectory({ term }).then(async r => {
             if (term !== this.state.filterText) {
@@ -962,11 +971,14 @@ export default class InviteDialog extends React.PureComponent<IInviteDialogProps
     private toggleMember = (member: Member) => {
         if (!this.state.busy) {
             let filterText = this.state.filterText;
-            const targets = this.state.targets.map(t => t); // cheap clone for mutation
+            let targets = this.state.targets.map(t => t); // cheap clone for mutation
             const idx = targets.indexOf(member);
             if (idx >= 0) {
                 targets.splice(idx, 1);
             } else {
+                if (this.props.kind === KIND_CALL_TRANSFER && targets.length > 0) {
+                    targets = [];
+                }
                 targets.push(member);
                 filterText = ""; // clear the filter when the user accepts a suggestion
             }
@@ -1189,6 +1201,11 @@ export default class InviteDialog extends React.PureComponent<IInviteDialogProps
     }
 
     private renderEditor() {
+        const hasPlaceholder = (
+            this.props.kind == KIND_CALL_TRANSFER &&
+            this.state.targets.length === 0 &&
+            this.state.filterText.length === 0
+        );
         const targets = this.state.targets.map(t => (
             <DMUserTile member={t} onRemove={!this.state.busy && this.removeMember} key={t.userId} />
         ));
@@ -1201,8 +1218,9 @@ export default class InviteDialog extends React.PureComponent<IInviteDialogProps
                 ref={this.editorRef}
                 onPaste={this.onPaste}
                 autoFocus={true}
-                disabled={this.state.busy}
+                disabled={this.state.busy || (this.props.kind == KIND_CALL_TRANSFER && this.state.targets.length > 0)}
                 autoComplete="off"
+                placeholder={hasPlaceholder ? _t("Search") : null}
             />
         );
         return (
@@ -1249,6 +1267,28 @@ export default class InviteDialog extends React.PureComponent<IInviteDialogProps
         }
     }
 
+    private onDialFormSubmit = ev => {
+        ev.preventDefault();
+        this.transferCall();
+    };
+
+    private onDialChange = ev => {
+        this.setState({ dialPadValue: ev.currentTarget.value });
+    };
+
+    private onDigitPress = digit => {
+        this.setState({ dialPadValue: this.state.dialPadValue + digit });
+    };
+
+    private onDeletePress = () => {
+        if (this.state.dialPadValue.length === 0) return;
+        this.setState({ dialPadValue: this.state.dialPadValue.slice(0, -1) });
+    };
+
+    private onTabChange = (tabId: TabId) => {
+        this.setState({ currentTabId: tabId });
+    };
+
     private async onLinkClick(e) {
         e.preventDefault();
         selectText(e.target);
@@ -1278,12 +1318,16 @@ export default class InviteDialog extends React.PureComponent<IInviteDialogProps
         let helpText;
         let buttonText;
         let goButtonFn;
+        let consultConnectSection;
         let extraSection;
         let footer;
         let keySharingWarning = <span />;
 
         const identityServersEnabled = SettingsStore.getValue(UIFeature.IdentityServer);
 
+        const hasSelection = this.state.targets.length > 0
+            || (this.state.filterText && this.state.filterText.includes('@'));
+
         const cli = MatrixClientPeg.get();
         const userId = cli.getUserId();
         if (this.props.kind === KIND_DM) {
@@ -1364,7 +1408,7 @@ export default class InviteDialog extends React.PureComponent<IInviteDialogProps
             </div>;
         } else if (this.props.kind === KIND_INVITE) {
             const room = MatrixClientPeg.get()?.getRoom(this.props.roomId);
-            const isSpace = SettingsStore.getValue("feature_spaces") && room?.isSpaceRoom();
+            const isSpace = SpaceStore.spacesEnabled && room?.isSpaceRoom();
             title = isSpace
                 ? _t("Invite to %(spaceName)s", {
                     spaceName: room.name || _t("Unnamed Space"),
@@ -1421,23 +1465,116 @@ export default class InviteDialog extends React.PureComponent<IInviteDialogProps
             }
         } else if (this.props.kind === KIND_CALL_TRANSFER) {
             title = _t("Transfer");
-            buttonText = _t("Transfer");
+
-            goButtonFn = this.transferCall;
+            consultConnectSection = <div className="mx_InviteDialog_transferConsultConnect">
-            footer = <div>
                 <label>
                     <input type="checkbox" checked={this.state.consultFirst} onChange={this.onConsultFirstChange} />
                     {_t("Consult first")}
                 </label>
+                <AccessibleButton
+                    kind="secondary"
+                    onClick={this.onCancel}
+                    className='mx_InviteDialog_transferConsultConnect_pushRight'
+                >
+                    {_t("Cancel")}
+                </AccessibleButton>
+                <AccessibleButton
+                    kind="primary"
+                    onClick={this.transferCall}
+                    className='mx_InviteDialog_transferButton'
+                    disabled={!hasSelection && this.state.dialPadValue === ''}
+                >
+                    {_t("Transfer")}
+                </AccessibleButton>
             </div>;
         } else {
             console.error("Unknown kind of InviteDialog: " + this.props.kind);
         }
 
-        const hasSelection = this.state.targets.length > 0
+        const goButton = this.props.kind == KIND_CALL_TRANSFER ? null : <AccessibleButton
-            || (this.state.filterText && this.state.filterText.includes('@'));
+            kind="primary"
+            onClick={goButtonFn}
+            className='mx_InviteDialog_goButton'
+            disabled={this.state.busy || !hasSelection}
+        >
+            {buttonText}
+        </AccessibleButton>;
+
+        const usersSection = <React.Fragment>
+            <p className='mx_InviteDialog_helpText'>{helpText}</p>
+            <div className='mx_InviteDialog_addressBar'>
+                {this.renderEditor()}
+                <div className='mx_InviteDialog_buttonAndSpinner'>
+                    {goButton}
+                    {spinner}
+                </div>
+            </div>
+            {keySharingWarning}
+            {this.renderIdentityServerWarning()}
+            <div className='error'>{this.state.errorText}</div>
+            <div className='mx_InviteDialog_userSections'>
+                {this.renderSection('recents')}
+                {this.renderSection('suggestions')}
+                {extraSection}
+            </div>
+            {footer}
+        </React.Fragment>;
+
+        let dialogContent;
+        if (this.props.kind === KIND_CALL_TRANSFER) {
+            const tabs = [];
+            tabs.push(new Tab(
+                TabId.UserDirectory, _td("User Directory"), 'mx_InviteDialog_userDirectoryIcon', usersSection,
+            ));
+
+            const backspaceButton = (
+                <DialPadBackspaceButton onBackspacePress={this.onDeletePress} />
+            );
+
+            // Only show the backspace button if the field has content
+            let dialPadField;
+            if (this.state.dialPadValue.length !== 0) {
+                dialPadField = <Field className="mx_InviteDialog_dialPadField" id="dialpad_number"
+                    value={this.state.dialPadValue}
+                    autoFocus={true}
+                    onChange={this.onDialChange}
+                    postfixComponent={backspaceButton}
+                />;
+            } else {
+                dialPadField = <Field className="mx_InviteDialog_dialPadField" id="dialpad_number"
+                    value={this.state.dialPadValue}
+                    autoFocus={true}
+                    onChange={this.onDialChange}
+                />;
+            }
+
+            const dialPadSection = <div className="mx_InviteDialog_dialPad">
+                <form onSubmit={this.onDialFormSubmit}>
+                    {dialPadField}
+                </form>
+                <Dialpad hasDial={false}
+                    onDigitPress={this.onDigitPress} onDeletePress={this.onDeletePress}
+                />
+            </div>;
+            tabs.push(new Tab(TabId.DialPad, _td("Dial pad"), 'mx_InviteDialog_dialPadIcon', dialPadSection));
+            dialogContent = <React.Fragment>
+                <TabbedView tabs={tabs} initialTabId={this.state.currentTabId}
+                    tabLocation={TabLocation.TOP} onChange={this.onTabChange}
+                />
+                {consultConnectSection}
+            </React.Fragment>;
+        } else {
+            dialogContent = <React.Fragment>
+                {usersSection}
+                {consultConnectSection}
+            </React.Fragment>;
+        }
+
         return (
             <BaseDialog
-                className={classNames("mx_InviteDialog", {
+                className={classNames({
+                    mx_InviteDialog_transfer: this.props.kind === KIND_CALL_TRANSFER,
+                    mx_InviteDialog_other: this.props.kind !== KIND_CALL_TRANSFER,
                     mx_InviteDialog_hasFooter: !!footer,
                 })}
                 hasCancel={true}
@@ -1445,30 +1582,7 @@ export default class InviteDialog extends React.PureComponent<IInviteDialogProps
                 title={title}
             >
                 <div className='mx_InviteDialog_content'>
-                    <p className='mx_InviteDialog_helpText'>{helpText}</p>
+                    {dialogContent}
-                    <div className='mx_InviteDialog_addressBar'>
-                        {this.renderEditor()}
-                        <div className='mx_InviteDialog_buttonAndSpinner'>
-                            <AccessibleButton
-                                kind="primary"
-                                onClick={goButtonFn}
-                                className='mx_InviteDialog_goButton'
-                                disabled={this.state.busy || !hasSelection}
-                            >
-                                {buttonText}
-                            </AccessibleButton>
-                            {spinner}
-                        </div>
-                    </div>
-                    {keySharingWarning}
-                    {this.renderIdentityServerWarning()}
-                    <div className='error'>{this.state.errorText}</div>
-                    <div className='mx_InviteDialog_userSections'>
-                        {this.renderSection('recents')}
-                        {this.renderSection('suggestions')}
-                        {extraSection}
-                    </div>
-                    {footer}
                 </div>
             </BaseDialog>
         );

src/components/views/dialogs/ShareDialog.tsx

@@ -35,7 +35,7 @@ import SettingsStore from "../../../settings/SettingsStore";
 import { UIFeature } from "../../../settings/UIFeature";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
 import BaseDialog from "./BaseDialog";
-import GenericTextContextMenu from "../context_menus/GenericTextContextMenu.js";
+import GenericTextContextMenu from "../context_menus/GenericTextContextMenu";
 
 const socials = [
     {

src/components/views/dialogs/TermsDialog.tsx

@@ -90,9 +90,9 @@ export default class TermsDialog extends React.PureComponent<ITermsDialogProps,
     private nameForServiceType(serviceType: SERVICE_TYPES, host: string): JSX.Element {
         switch (serviceType) {
             case SERVICE_TYPES.IS:
-                return <div>{_t("Identity Server")}<br />({host})</div>;
+                return <div>{_t("Identity server")}<br />({host})</div>;
             case SERVICE_TYPES.IM:
-                return <div>{_t("Integration Manager")}<br />({host})</div>;
+                return <div>{_t("Integration manager")}<br />({host})</div>;
         }
     }
 

src/components/views/dialogs/VerificationRequestDialog.tsx

@@ -21,7 +21,7 @@ import { replaceableComponent } from "../../../utils/replaceableComponent";
 import { VerificationRequest } from "matrix-js-sdk/src/crypto/verification/request/VerificationRequest";
 import BaseDialog from "./BaseDialog";
 import EncryptionPanel from "../right_panel/EncryptionPanel";
-import { User } from 'matrix-js-sdk';
+import { User } from 'matrix-js-sdk/src/models/user';
 
 interface IProps {
     verificationRequest: VerificationRequest;

src/components/views/directory/NetworkDropdown.tsx

@@ -17,6 +17,7 @@ limitations under the License.
 
 import React, { useEffect, useState } from "react";
 import { MatrixError } from "matrix-js-sdk/src/http-api";
+import { IProtocol } from "matrix-js-sdk/src/client";
 
 import { MatrixClientPeg } from '../../../MatrixClientPeg';
 import { instanceForInstanceId } from '../../../utils/DirectoryUtils';
@@ -83,30 +84,6 @@ const validServer = withValidation<undefined, { error?: MatrixError }>({
     ],
 });
 
-/* eslint-disable camelcase */
-export interface IFieldType {
-    regexp: string;
-    placeholder: string;
-}
-
-export interface IInstance {
-    desc: string;
-    icon?: string;
-    fields: object;
-    network_id: string;
-    // XXX: this is undocumented but we rely on it.
-    instance_id: string;
-}
-
-export interface IProtocol {
-    user_fields: string[];
-    location_fields: string[];
-    icon: string;
-    field_types: Record<string, IFieldType>;
-    instances: IInstance[];
-}
-/* eslint-enable camelcase */
-
 export type Protocols = Record<string, IProtocol>;
 
 interface IProps {

src/components/views/elements/AppPermission.js

@@ -114,7 +114,7 @@ export default class AppPermission extends React.Component {
 
         // Due to i18n limitations, we can't dedupe the code for variables in these two messages.
         const warning = this.state.isWrapped
-            ? _t("Using this widget may share data <helpIcon /> with %(widgetDomain)s & your Integration Manager.",
+            ? _t("Using this widget may share data <helpIcon /> with %(widgetDomain)s & your integration manager.",
                 { widgetDomain: this.state.widgetDomain }, { helpIcon: () => warningTooltip })
             : _t("Using this widget may share data <helpIcon /> with %(widgetDomain)s.",
                 { widgetDomain: this.state.widgetDomain }, { helpIcon: () => warningTooltip });

src/components/views/elements/DialPadBackspaceButton.tsx

@@ -0,0 +1,31 @@
+/*
+Copyright 2021 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import * as React from "react";
+import AccessibleButton from "./AccessibleButton";
+
+interface IProps {
+    // Callback for when the button is pressed
+    onBackspacePress: () => void;
+}
+
+export default class DialPadBackspaceButton extends React.PureComponent<IProps> {
+    render() {
+        return <div className="mx_DialPadBackspaceButtonWrapper">
+            <AccessibleButton className="mx_DialPadBackspaceButton" onClick={this.props.onBackspacePress} />
+        </div>;
+    }
+}

src/components/views/elements/ImageView.tsx

@@ -33,6 +33,7 @@ import { replaceableComponent } from "../../../utils/replaceableComponent";
 import { RoomPermalinkCreator } from "../../../utils/permalinks/Permalinks";
 import { MatrixEvent } from "matrix-js-sdk/src/models/event";
 import { normalizeWheelEvent } from "../../../utils/Mouse";
+import { IDialogProps } from '../dialogs/IDialogProps';
 
 // Max scale to keep gaps around the image
 const MAX_SCALE = 0.95;
@@ -43,14 +44,13 @@ const ZOOM_COEFFICIENT = 0.0025;
 // If we have moved only this much we can zoom
 const ZOOM_DISTANCE = 10;
 
-interface IProps {
+interface IProps extends IDialogProps {
     src: string; // the source of the image being displayed
     name?: string; // the main title ('name') for the image
     link?: string; // the link (if any) applied to the name of the image
     width?: number; // width of the image src in pixels
     height?: number; // height of the image src in pixels
     fileSize?: number; // size of the image src in bytes
-    onFinished(): void; // callback when the lightbox is dismissed
 
     // the event (if any) that the Image is displaying. Used for event-specific stuff like
     // redactions, senders, timestamps etc.  Other descriptors are taken from the explicit
@@ -452,6 +452,8 @@ export default class ImageView extends React.Component<IProps, IState> {
                 <div className="mx_ImageView_panel">
                     { info }
                     <div className="mx_ImageView_toolbar">
+                        { zoomOutButton }
+                        { zoomInButton }
                         <AccessibleTooltipButton
                             className="mx_ImageView_button mx_ImageView_button_rotateCCW"
                             title={_t("Rotate Left")}
@@ -462,8 +464,6 @@ export default class ImageView extends React.Component<IProps, IState> {
                             title={_t("Rotate Right")}
                             onClick={this.onRotateClockwiseClick}>
                         </AccessibleTooltipButton>
-                        { zoomOutButton }
-                        { zoomInButton }
                         <AccessibleTooltipButton
                             className="mx_ImageView_button mx_ImageView_button_download"
                             title={_t("Download")}
@@ -488,8 +488,8 @@ export default class ImageView extends React.Component<IProps, IState> {
                 >
                     <img
                         src={this.props.src}
-                        title={this.props.name}
                         style={style}
+                        alt={this.props.name}
                         ref={this.image}
                         className="mx_ImageView_image"
                         draggable={true}

src/components/views/elements/MiniAvatarUploader.tsx

@@ -32,7 +32,7 @@ interface IProps {
     hasAvatar: boolean;
     noAvatarLabel?: string;
     hasAvatarLabel?: string;
-    setAvatarUrl(url: string): Promise<void>;
+    setAvatarUrl(url: string): Promise<unknown>;
 }
 
 const MiniAvatarUploader: React.FC<IProps> = ({ hasAvatar, hasAvatarLabel, noAvatarLabel, setAvatarUrl, children }) => {

src/components/views/elements/ReplyThread.tsx

@@ -1,7 +1,6 @@
 /*
-Copyright 2017 New Vector Ltd
+Copyright 2017 - 2021 The Matrix.org Foundation C.I.C.
 Copyright 2019 Michael Telatynski <7t3chguy@gmail.com>
-Copyright 2019 The Matrix.org Foundation C.I.C.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -15,77 +14,73 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 */
+
 import React from 'react';
-import * as sdk from '../../../index';
 import { _t } from '../../../languageHandler';
-import PropTypes from 'prop-types';
 import dis from '../../../dispatcher/dispatcher';
-import { wantsDateSeparator } from '../../../DateUtils';
 import { MatrixEvent } from 'matrix-js-sdk/src/models/event';
 import { makeUserPermalink, RoomPermalinkCreator } from "../../../utils/permalinks/Permalinks";
 import SettingsStore from "../../../settings/SettingsStore";
-import { LayoutPropType } from "../../../settings/Layout";
+import { Layout } from "../../../settings/Layout";
 import escapeHtml from "escape-html";
 import MatrixClientContext from "../../../contexts/MatrixClientContext";
+import { getUserNameColorClass } from "../../../utils/FormattingUtils";
 import { Action } from "../../../dispatcher/actions";
 import sanitizeHtml from "sanitize-html";
-import { UIFeature } from "../../../settings/UIFeature";
 import { PERMITTED_URL_SCHEMES } from "../../../HtmlUtils";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import Spinner from './Spinner';
+import ReplyTile from "../rooms/ReplyTile";
+import Pill from './Pill';
+import { Room } from 'matrix-js-sdk/src/models/room';
+
+interface IProps {
+    // the latest event in this chain of replies
+    parentEv?: MatrixEvent;
+    // called when the ReplyThread contents has changed, including EventTiles thereof
+    onHeightChanged: () => void;
+    permalinkCreator: RoomPermalinkCreator;
+    // Specifies which layout to use.
+    layout?: Layout;
+    // Whether to always show a timestamp
+    alwaysShowTimestamps?: boolean;
+    forExport?: boolean,
+}
+
+interface IState {
+    // The loaded events to be rendered as linear-replies
+    events: MatrixEvent[];
+    // The latest loaded event which has not yet been shown
+    loadedEv: MatrixEvent;
+    // Whether the component is still loading more events
+    loading: boolean;
+    // Whether as error was encountered fetching a replied to event.
+    err: boolean;
+}
 
 // This component does no cycle detection, simply because the only way to make such a cycle would be to
 // craft event_id's, using a homeserver that generates predictable event IDs; even then the impact would
 // be low as each event being loaded (after the first) is triggered by an explicit user action.
 @replaceableComponent("views.elements.ReplyThread")
-export default class ReplyThread extends React.Component {
+export default class ReplyThread extends React.Component<IProps, IState> {
-    static propTypes = {
-        // the latest event in this chain of replies
-        parentEv: PropTypes.instanceOf(MatrixEvent),
-        // called when the ReplyThread contents has changed, including EventTiles thereof
-        onHeightChanged: PropTypes.func.isRequired,
-        permalinkCreator: PropTypes.instanceOf(RoomPermalinkCreator).isRequired,
-        // Specifies which layout to use.
-        layout: LayoutPropType,
-        forExport: PropTypes.bool,
-
-        // Whether to always show a timestamp
-        alwaysShowTimestamps: PropTypes.bool,
-
-    };
-
     static contextType = MatrixClientContext;
+    private unmounted = false;
+    private room: Room;
 
     constructor(props, context) {
         super(props, context);
 
         this.state = {
-            // The loaded events to be rendered as linear-replies
             events: [],
-
-            // The latest loaded event which has not yet been shown
             loadedEv: null,
-            // Whether the component is still loading more events
             loading: true,
-
-            // Whether as error was encountered fetching a replied to event.
             err: false,
         };
 
-        this.unmounted = false;
+        this.room = this.context.getRoom(this.props.parentEv.getRoomId());
-
-        if (!this.props.forExport) {
-            this.context.on("Event.replaced", this.onEventReplaced);
-            this.room = this.context.getRoom(this.props.parentEv.getRoomId());
-            this.room.on("Room.redaction", this.onRoomRedaction);
-            this.room.on("Room.redactionCancelled", this.onRoomRedaction);
-
-            this.onQuoteClick = this.onQuoteClick.bind(this);
-            this.canCollapse = this.canCollapse.bind(this);
-            this.collapse = this.collapse.bind(this);
-        }
     }
 
-    static getParentEventId(ev) {
+    public static getParentEventId(ev: MatrixEvent): string {
         if (!ev || ev.isRedacted()) return;
 
         // XXX: For newer relations (annotations, replacements, etc.), we now
@@ -101,7 +96,7 @@ export default class ReplyThread extends React.Component {
     }
 
     // Part of Replies fallback support
-    static stripPlainReply(body) {
+    public static stripPlainReply(body: string): string {
         // Removes lines beginning with `> ` until you reach one that doesn't.
         const lines = body.split('\n');
         while (lines.length && lines[0].startsWith('> ')) lines.shift();
@@ -111,7 +106,7 @@ export default class ReplyThread extends React.Component {
     }
 
     // Part of Replies fallback support
-    static stripHTMLReply(html) {
+    public static stripHTMLReply(html: string): string {
         // Sanitize the original HTML for inclusion in <mx-reply>.  We allow
         // any HTML, since the original sender could use special tags that we
         // don't recognize, but want to pass along to any recipients who do
@@ -133,7 +128,10 @@ export default class ReplyThread extends React.Component {
     }
 
     // Part of Replies fallback support
-    static getNestedReplyText(ev, permalinkCreator) {
+    public static getNestedReplyText(
+        ev: MatrixEvent,
+        permalinkCreator: RoomPermalinkCreator,
+    ): { body: string, html: string } {
         if (!ev) return null;
 
         let { body, formatted_body: html } = ev.getContent();
@@ -209,7 +207,7 @@ export default class ReplyThread extends React.Component {
         return { body, html };
     }
 
-    static makeReplyMixIn(ev) {
+    public static makeReplyMixIn(ev: MatrixEvent) {
         if (!ev) return {};
         return {
             'm.relates_to': {
@@ -220,10 +218,16 @@ export default class ReplyThread extends React.Component {
         };
     }
 
-    static makeThread(parentEv, onHeightChanged, permalinkCreator, ref, layout, forExport, alwaysShowTimestamps) {
+    public static makeThread(
-        if (!ReplyThread.getParentEventId(parentEv)) {
+        parentEv: MatrixEvent,
-            return null;
+        onHeightChanged: () => void,
-        }
+        permalinkCreator: RoomPermalinkCreator,
+        ref: React.RefObject<ReplyThread>,
+        layout: Layout,
+        forExport: boolean,
+        alwaysShowTimestamps: boolean,
+    ): JSX.Element {
+        if (!ReplyThread.getParentEventId(parentEv)) return null;
         return <ReplyThread
             parentEv={parentEv}
             forExport={forExport}
@@ -245,37 +249,9 @@ export default class ReplyThread extends React.Component {
 
     componentWillUnmount() {
         this.unmounted = true;
-        this.context.removeListener("Event.replaced", this.onEventReplaced);
-        if (this.room) {
-            this.room.removeListener("Room.redaction", this.onRoomRedaction);
-            this.room.removeListener("Room.redactionCancelled", this.onRoomRedaction);
-        }
     }
 
-    updateForEventId = (eventId) => {
+    private async initialize(): Promise<void> {
-        if (this.state.events.some(event => event.getId() === eventId)) {
-            this.forceUpdate();
-        }
-    };
-
-    onEventReplaced = (ev) => {
-        if (this.unmounted) return;
-
-        // If one of the events we are rendering gets replaced, force a re-render
-        this.updateForEventId(ev.getId());
-    };
-
-    onRoomRedaction = (ev) => {
-        if (this.unmounted) return;
-
-        const eventId = ev.getAssociatedId();
-        if (!eventId) return;
-
-        // If one of the events we are rendering gets redacted, force a re-render
-        this.updateForEventId(eventId);
-    };
-
-    async initialize() {
         const { parentEv } = this.props;
         // at time of making this component we checked that props.parentEv has a parentEventId
         const ev = await this.getEvent(ReplyThread.getParentEventId(parentEv));
@@ -294,7 +270,7 @@ export default class ReplyThread extends React.Component {
         }
     }
 
-    async getNextEvent(ev) {
+    private async getNextEvent(ev: MatrixEvent): Promise<MatrixEvent> {
         try {
             const inReplyToEventId = ReplyThread.getParentEventId(ev);
             return await this.getEvent(inReplyToEventId);
@@ -303,7 +279,7 @@ export default class ReplyThread extends React.Component {
         }
     }
 
-    async getEvent(eventId) {
+    private async getEvent(eventId: string): Promise<MatrixEvent> {
         if (!eventId) return null;
         const event = this.room.findEventById(eventId);
         if (event) return event;
@@ -320,15 +296,15 @@ export default class ReplyThread extends React.Component {
         return this.room.findEventById(eventId);
     }
 
-    canCollapse() {
+    public canCollapse = (): boolean => {
         return this.state.events.length > 1;
-    }
+    };
 
-    collapse() {
+    public collapse = (): void => {
         this.initialize();
-    }
+    };
 
-    async onQuoteClick() {
+    private onQuoteClick = async (): Promise<void> => {
         const events = [this.state.loadedEv, ...this.state.events];
 
         let loadedEv = null;
@@ -342,6 +318,10 @@ export default class ReplyThread extends React.Component {
         });
 
         dis.fire(Action.FocusSendMessageComposer);
+    };
+
+    private getReplyThreadColorClass(ev: MatrixEvent): string {
+        return getUserNameColorClass(ev.getSender()).replace("Username", "ReplyThread");
     }
 
     render() {
@@ -356,9 +336,8 @@ export default class ReplyThread extends React.Component {
             </blockquote>;
         } else if (this.state.loadedEv) {
             const ev = this.state.loadedEv;
-            const Pill = sdk.getComponent('elements.Pill');
             const room = this.context.getRoom(ev.getRoomId());
-            header = <blockquote className="mx_ReplyThread">
+            header = <blockquote className={`mx_ReplyThread ${this.getReplyThreadColorClass(ev)}`}>
                 {
                     _t('<a>In reply to</a> <pill>', {}, {
                         'a': (sub) => <a onClick={this.onQuoteClick} className="mx_ReplyThread_show">{ sub }</a>,
@@ -379,33 +358,15 @@ export default class ReplyThread extends React.Component {
                 In reply to <a className="mx_reply_anchor" href={`#${eventId}`} scroll-to={eventId}>this message</a>
             </p>;
         } else if (this.state.loading) {
-            const Spinner = sdk.getComponent("elements.Spinner");
             header = <Spinner w={16} h={16} />;
         }
 
-        const EventTile = sdk.getComponent('views.rooms.EventTile');
-        const DateSeparator = sdk.getComponent('messages.DateSeparator');
         const evTiles = this.state.events.map((ev) => {
-            let dateSep = null;
+            return <blockquote className={`mx_ReplyThread ${this.getReplyThreadColorClass(ev)}`} key={ev.getId()}>
-
+                <ReplyTile
-            if (wantsDateSeparator(this.props.parentEv.getDate(), ev.getDate())) {
-                dateSep = <a href={this.props.url}><DateSeparator ts={ev.getTs()} /></a>;
-            }
-
-            return <blockquote className="mx_ReplyThread" key={ev.getId()}>
-                { dateSep }
-                <EventTile
                     mxEvent={ev}
-                    tileShape="reply"
                     onHeightChanged={this.props.onHeightChanged}
                     permalinkCreator={this.props.permalinkCreator}
-                    isRedacted={ev.isRedacted()}
-                    isTwelveHour={SettingsStore.getValue("showTwelveHourTimestamps")}
-                    layout={this.props.layout}
-                    alwaysShowTimestamps={this.props.alwaysShowTimestamps}
-                    enableFlair={SettingsStore.getValue(UIFeature.Flair)}
-                    replacingEventId={ev.replacingEventId()}
-                    as="div"
                 />
             </blockquote>;
         });

src/components/views/elements/Spinner.js

@@ -1,39 +0,0 @@
-/*
-Copyright 2015, 2016 OpenMarket Ltd
-Copyright 2019 The Matrix.org Foundation C.I.C.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-import React from "react";
-import PropTypes from "prop-types";
-import { _t } from "../../../languageHandler";
-
-const Spinner = ({ w = 32, h = 32, message }) => (
-    <div className="mx_Spinner">
-        { message && <React.Fragment><div className="mx_Spinner_Msg">{ message }</div>&nbsp;</React.Fragment> }
-        <div
-            className="mx_Spinner_icon"
-            style={{ width: w, height: h }}
-            aria-label={_t("Loading...")}
-        ></div>
-    </div>
-);
-
-Spinner.propTypes = {
-    w: PropTypes.number,
-    h: PropTypes.number,
-    message: PropTypes.node,
-};
-
-export default Spinner;

src/components/views/elements/Spinner.tsx

@@ -0,0 +1,45 @@
+/*
+Copyright 2015-2021 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import React from "react";
+import { _t } from "../../../languageHandler";
+
+interface IProps {
+    w?: number;
+    h?: number;
+    message?: string;
+}
+
+export default class Spinner extends React.PureComponent<IProps> {
+    public static defaultProps: Partial<IProps> = {
+        w: 32,
+        h: 32,
+    };
+
+    public render() {
+        const { w, h, message } = this.props;
+        return (
+            <div className="mx_Spinner">
+                { message && <React.Fragment><div className="mx_Spinner_Msg">{ message }</div>&nbsp;</React.Fragment> }
+                <div
+                    className="mx_Spinner_icon"
+                    style={{ width: w, height: h }}
+                    aria-label={_t("Loading...")}
+                />
+            </div>
+        );
+    }
+}

src/components/views/elements/TagComposer.tsx

@@ -0,0 +1,91 @@
+/*
+Copyright 2021 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import React, { ChangeEvent, FormEvent } from "react";
+import { replaceableComponent } from "../../../utils/replaceableComponent";
+import Field from "./Field";
+import { _t } from "../../../languageHandler";
+import AccessibleButton from "./AccessibleButton";
+
+interface IProps {
+    tags: string[];
+    onAdd: (tag: string) => void;
+    onRemove: (tag: string) => void;
+    disabled?: boolean;
+    label?: string;
+    placeholder?: string;
+}
+
+interface IState {
+    newTag: string;
+}
+
+/**
+ * A simple, controlled, composer for entering string tags. Contains a simple
+ * input, add button, and per-tag remove button.
+ */
+@replaceableComponent("views.elements.TagComposer")
+export default class TagComposer extends React.PureComponent<IProps, IState> {
+    public constructor(props: IProps) {
+        super(props);
+
+        this.state = {
+            newTag: "",
+        };
+    }
+
+    private onInputChange = (ev: ChangeEvent<HTMLInputElement>) => {
+        this.setState({ newTag: ev.target.value });
+    };
+
+    private onAdd = (ev: FormEvent) => {
+        ev.preventDefault();
+        if (!this.state.newTag) return;
+
+        this.props.onAdd(this.state.newTag);
+        this.setState({ newTag: "" });
+    };
+
+    private onRemove(tag: string) {
+        // We probably don't need to proxy this, but for
+        // sanity of `this` we'll do so anyways.
+        this.props.onRemove(tag);
+    }
+
+    public render() {
+        return <div className='mx_TagComposer'>
+            <form className='mx_TagComposer_input' onSubmit={this.onAdd}>
+                <Field
+                    value={this.state.newTag}
+                    onChange={this.onInputChange}
+                    label={this.props.label || _t("Keyword")}
+                    placeholder={this.props.placeholder || _t("New keyword")}
+                    disabled={this.props.disabled}
+                    autoComplete="off"
+                />
+                <AccessibleButton onClick={this.onAdd} kind='primary' disabled={this.props.disabled}>
+                    { _t("Add") }
+                </AccessibleButton>
+            </form>
+            <div className='mx_TagComposer_tags'>
+                { this.props.tags.map((t, i) => (<div className='mx_TagComposer_tag' key={i}>
+                    <span>{ t }</span>
+                    <AccessibleButton onClick={this.onRemove.bind(this, t)} disabled={this.props.disabled} />
+                </div>)) }
+            </div>
+        </div>;
+    }
+}

src/components/views/messages/MFileBody.js

@@ -1,5 +1,5 @@
 /*
-Copyright 2015, 2016, 2018, 2021 The Matrix.org Foundation C.I.C.
+Copyright 2015 - 2021 The Matrix.org Foundation C.I.C.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -24,6 +24,7 @@ import AccessibleButton from "../elements/AccessibleButton";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
 import { mediaFromContent } from "../../../customisations/Media";
 import ErrorDialog from "../dialogs/ErrorDialog";
+import { TileShape } from "../rooms/EventTile";
 
 let downloadIconUrl; // cached copy of the download.svg asset for the sandboxed iframe later on
 
@@ -89,6 +90,35 @@ function computedStyle(element) {
     return cssText;
 }
 
+/**
+ * Extracts a human readable label for the file attachment to use as
+ * link text.
+ *
+ * @param {Object} content The "content" key of the matrix event.
+ * @param {boolean} withSize Whether to include size information. Default true.
+ * @return {string} the human readable link text for the attachment.
+ */
+export function presentableTextForFile(content, withSize = true) {
+    let linkText = _t("Attachment");
+    if (content.body && content.body.length > 0) {
+        // The content body should be the name of the file including a
+        // file extension.
+        linkText = content.body;
+    }
+
+    if (content.info && content.info.size && withSize) {
+        // If we know the size of the file then add it as human readable
+        // string to the end of the link text so that the user knows how
+        // big a file they are downloading.
+        // The content.info also contains a MIME-type but we don't display
+        // it since it is "ugly", users generally aren't aware what it
+        // means and the type of the attachment can usually be inferrered
+        // from the file extension.
+        linkText += ' (' + filesize(content.info.size) + ')';
+    }
+    return linkText;
+}
+
 @replaceableComponent("views.messages.MFileBody")
 export default class MFileBody extends React.Component {
     static propTypes = {
@@ -121,35 +151,6 @@ export default class MFileBody extends React.Component {
         this._dummyLink = createRef();
     }
 
-    /**
-     * Extracts a human readable label for the file attachment to use as
-     * link text.
-     *
-     * @param {Object} content The "content" key of the matrix event.
-     * @param {boolean} withSize Whether to include size information. Default true.
-     * @return {string} the human readable link text for the attachment.
-     */
-    presentableTextForFile(content, withSize = true) {
-        let linkText = _t("Attachment");
-        if (content.body && content.body.length > 0) {
-            // The content body should be the name of the file including a
-            // file extension.
-            linkText = content.body;
-        }
-
-        if (content.info && content.info.size && withSize) {
-            // If we know the size of the file then add it as human readable
-            // string to the end of the link text so that the user knows how
-            // big a file they are downloading.
-            // The content.info also contains a MIME-type but we don't display
-            // it since it is "ugly", users generally aren't aware what it
-            // means and the type of the attachment can usually be inferrered
-            // from the file extension.
-            linkText += ' (' + filesize(content.info.size) + ')';
-        }
-        return linkText;
-    }
-
     _getContentUrl() {
         if (this.props.forExport) return null;
         const media = mediaFromContent(this.props.mxEvent.getContent());
@@ -164,7 +165,7 @@ export default class MFileBody extends React.Component {
 
     render() {
         const content = this.props.mxEvent.getContent();
-        const text = this.presentableTextForFile(content);
+        const text = presentableTextForFile(content);
         const isEncrypted = content.file !== undefined;
         const fileName = content.body && content.body.length > 0 ? content.body : _t("Attachment");
         const contentUrl = this._getContentUrl();
@@ -180,7 +181,9 @@ export default class MFileBody extends React.Component {
                             <img alt="Attachment" className="mx_export_attach_icon" src="icons/attach.svg" />
                             : null}
                     </span>
-                    <span className="mx_MFileBody_info_filename">{this.presentableTextForFile(content, false)}</span>
+                    <span className="mx_MFileBody_info_filename">
+                        { presentableTextForFile(content, false) }
+                    </span>
                 </div>
             );
         }
@@ -320,7 +323,7 @@ export default class MFileBody extends React.Component {
             // If the attachment is not encrypted then we check whether we
             // are being displayed in the room timeline or in a list of
             // files in the right hand side of the screen.
-            if (this.props.tileShape === "file_grid") {
+            if (this.props.tileShape === TileShape.FileGrid) {
                 return (
                     <span className="mx_MFileBody">
                         { placeholder }

src/components/views/messages/MImageBody.tsx

@@ -16,13 +16,11 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import React, { createRef } from 'react';
+import React, { ComponentProps, createRef } from 'react';
-import PropTypes from 'prop-types';
 import { Blurhash } from "react-blurhash";
 
 import MFileBody from './MFileBody';
 import Modal from '../../../Modal';
-import * as sdk from '../../../index';
 import { decryptFile } from '../../../utils/DecryptFile';
 import { _t } from '../../../languageHandler';
 import SettingsStore from "../../../settings/SettingsStore";
@@ -31,36 +29,50 @@ import InlineSpinner from '../elements/InlineSpinner';
 import { replaceableComponent } from "../../../utils/replaceableComponent";
 import { mediaFromContent } from "../../../customisations/Media";
 import { BLURHASH_FIELD } from "../../../ContentMessages";
+import { MatrixEvent } from 'matrix-js-sdk/src/models/event';
+import { RoomPermalinkCreator } from '../../../utils/permalinks/Permalinks';
+import { IMediaEventContent } from '../../../customisations/models/IMediaEventContent';
+import ImageView from '../elements/ImageView';
+import { SyncState } from 'matrix-js-sdk/src/sync.api';
+
+export interface IProps {
+    /* the MatrixEvent to show */
+    mxEvent: MatrixEvent;
+    /* called when the image has loaded */
+    onHeightChanged(): void;
+
+    /* the maximum image height to use */
+    maxImageHeight?: number;
+
+    /* the permalinkCreator */
+    permalinkCreator?: RoomPermalinkCreator;
+    forExport?: boolean;
+}
+
+interface IState {
+    decryptedUrl?: string;
+    decryptedThumbnailUrl?: string;
+    decryptedBlob?: Blob;
+    error;
+    imgError: boolean;
+    imgLoaded: boolean;
+    loadedImageDimensions?: {
+        naturalWidth: number;
+        naturalHeight: number;
+    };
+    hover: boolean;
+    showImage: boolean;
+}
 
 @replaceableComponent("views.messages.MImageBody")
-export default class MImageBody extends React.Component {
+export default class MImageBody extends React.Component<IProps, IState> {
-    static propTypes = {
-        /* the MatrixEvent to show */
-        mxEvent: PropTypes.object.isRequired,
-
-        /* called when the image has loaded */
-        onHeightChanged: PropTypes.func.isRequired,
-
-        /* the maximum image height to use */
-        maxImageHeight: PropTypes.number,
-
-        /* the permalinkCreator */
-        permalinkCreator: PropTypes.object,
-    };
-
     static contextType = MatrixClientContext;
+    private unmounted = true;
+    private image = createRef<HTMLImageElement>();
 
-    constructor(props) {
+    constructor(props: IProps) {
         super(props);
 
-        this.onImageError = this.onImageError.bind(this);
-        this.onImageLoad = this.onImageLoad.bind(this);
-        this.onImageEnter = this.onImageEnter.bind(this);
-        this.onImageLeave = this.onImageLeave.bind(this);
-        this.onClientSync = this.onClientSync.bind(this);
-        this.onClick = this.onClick.bind(this);
-        this._isGif = this._isGif.bind(this);
-
         this.state = {
             decryptedUrl: null,
             decryptedThumbnailUrl: null,
@@ -72,12 +84,10 @@ export default class MImageBody extends React.Component {
             hover: false,
             showImage: SettingsStore.getValue("showImages"),
         };
-
-        this._image = createRef();
     }
 
     // FIXME: factor this out and apply it to MVideoBody and MAudioBody too!
-    onClientSync(syncState, prevState) {
+    private onClientSync = (syncState: SyncState, prevState: SyncState): void => {
         if (this.unmounted) return;
         // Consider the client reconnected if there is no error with syncing.
         // This means the state could be RECONNECTING, SYNCING, PREPARED or CATCHUP.
@@ -88,15 +98,15 @@ export default class MImageBody extends React.Component {
                 imgError: false,
             });
         }
-    }
+    };
 
-    showImage() {
+    protected showImage(): void {
         localStorage.setItem("mx_ShowImage_" + this.props.mxEvent.getId(), "true");
         this.setState({ showImage: true });
-        this._downloadImage();
+        this.downloadImage();
     }
 
-    onClick(ev) {
+    protected onClick = (ev: React.MouseEvent): void => {
         if (ev.button === 0 && !ev.metaKey) {
             ev.preventDefault();
             if (!this.state.showImage) {
@@ -104,12 +114,11 @@ export default class MImageBody extends React.Component {
                 return;
             }
 
-            const content = this.props.mxEvent.getContent();
+            const content = this.props.mxEvent.getContent<IMediaEventContent>();
-            const httpUrl = this._getContentUrl();
+            const httpUrl = this.getContentUrl();
-            const ImageView = sdk.getComponent("elements.ImageView");
+            const params: Omit<ComponentProps<typeof ImageView>, "onFinished"> = {
-            const params = {
                 src: httpUrl,
-                name: content.body && content.body.length > 0 ? content.body : _t('Attachment'),
+                name: content.body?.length > 0 ? content.body : _t('Attachment'),
                 mxEvent: this.props.mxEvent,
                 permalinkCreator: this.props.permalinkCreator,
             };
@@ -122,58 +131,54 @@ export default class MImageBody extends React.Component {
 
             Modal.createDialog(ImageView, params, "mx_Dialog_lightbox", null, true);
         }
-    }
+    };
 
-    _isGif() {
+    private isGif = (): boolean => {
         const content = this.props.mxEvent.getContent();
-        return (
+        return content.info?.mimetype === "image/gif";
-            content &&
+    };
-            content.info &&
-            content.info.mimetype === "image/gif"
-        );
-    }
 
-    onImageEnter(e) {
+    private onImageEnter = (e: React.MouseEvent<HTMLImageElement>): void => {
         this.setState({ hover: true });
 
-        if (!this.state.showImage || !this._isGif() || SettingsStore.getValue("autoplayGifsAndVideos")) {
+        if (!this.state.showImage || !this.isGif() || SettingsStore.getValue("autoplayGifsAndVideos")) {
             return;
         }
-        const imgElement = e.target;
+        const imgElement = e.currentTarget;
-        imgElement.src = this._getContentUrl();
+        imgElement.src = this.getContentUrl();
-    }
+    };
 
-    onImageLeave(e) {
+    private onImageLeave = (e: React.MouseEvent<HTMLImageElement>): void => {
         this.setState({ hover: false });
 
-        if (!this.state.showImage || !this._isGif() || SettingsStore.getValue("autoplayGifsAndVideos")) {
+        if (!this.state.showImage || !this.isGif() || SettingsStore.getValue("autoplayGifsAndVideos")) {
             return;
         }
-        const imgElement = e.target;
+        const imgElement = e.currentTarget;
-        imgElement.src = this._getThumbUrl();
+        imgElement.src = this.getThumbUrl();
-    }
+    };
 
-    onImageError() {
+    private onImageError = (): void => {
         this.setState({
             imgError: true,
         });
-    }
+    };
 
-    onImageLoad() {
+    private onImageLoad = (): void => {
         this.props.onHeightChanged();
 
         let loadedImageDimensions;
 
-        if (this._image.current) {
+        if (this.image.current) {
-            const { naturalWidth, naturalHeight } = this._image.current;
+            const { naturalWidth, naturalHeight } = this.image.current;
             // this is only used as a fallback in case content.info.w/h is missing
             loadedImageDimensions = { naturalWidth, naturalHeight };
         }
 
         this.setState({ imgLoaded: true, loadedImageDimensions });
-    }
+    };
 
-    _getContentUrl() {
+    protected getContentUrl(): string {
         const content = this.props.mxEvent.getContent();
         if (this.props.forExport) return content.url || content.file.url;
         const media = mediaFromContent(content);
@@ -184,7 +189,7 @@ export default class MImageBody extends React.Component {
         }
     }
 
-    _getThumbUrl() {
+    protected getThumbUrl(): string {
         // FIXME: we let images grow as wide as you like, rather than capped to 800x600.
         // So either we need to support custom timeline widths here, or reimpose the cap, otherwise the
         // thumbnail resolution will be unnecessarily reduced.
@@ -192,7 +197,7 @@ export default class MImageBody extends React.Component {
         const thumbWidth = 800;
         const thumbHeight = 600;
 
-        const content = this.props.mxEvent.getContent();
+        const content = this.props.mxEvent.getContent<IMediaEventContent>();
         const media = mediaFromContent(content);
 
         if (media.isEncrypted) {
@@ -220,7 +225,7 @@ export default class MImageBody extends React.Component {
             //   - If there's no sizing info in the event, default to thumbnail
             const info = content.info;
             if (
-                this._isGif() ||
+                this.isGif() ||
                 window.devicePixelRatio === 1.0 ||
                 (!info || !info.w || !info.h || !info.size)
             ) {
@@ -255,7 +260,7 @@ export default class MImageBody extends React.Component {
         }
     }
 
-    _downloadImage() {
+    private downloadImage(): void {
         const content = this.props.mxEvent.getContent();
         if (content.file !== undefined && this.state.decryptedUrl === null) {
             let thumbnailPromise = Promise.resolve(null);
@@ -299,7 +304,7 @@ export default class MImageBody extends React.Component {
 
         if (showImage) {
             // Don't download anything becaue we don't want to display anything.
-            this._downloadImage();
+            this.downloadImage();
             this.setState({ showImage: true });
         }
 
@@ -314,7 +319,6 @@ export default class MImageBody extends React.Component {
     componentWillUnmount() {
         this.unmounted = true;
         this.context.removeListener('sync', this.onClientSync);
-        this._afterComponentWillUnmount();
 
         if (this.state.decryptedUrl) {
             URL.revokeObjectURL(this.state.decryptedUrl);
@@ -324,12 +328,12 @@ export default class MImageBody extends React.Component {
         }
     }
 
-    // To be overridden by subclasses (e.g. MStickerBody) for further
+    protected messageContent(
-    // cleanup after componentWillUnmount
+        contentUrl: string,
-    _afterComponentWillUnmount() {
+        thumbUrl: string,
-    }
+        content: IMediaEventContent,
-
+        forcedHeight?: number,
-    _messageContent(contentUrl, thumbUrl, content) {
+    ): JSX.Element {
         let infoWidth;
         let infoHeight;
 
@@ -350,7 +354,7 @@ export default class MImageBody extends React.Component {
                     imageElement = <HiddenImagePlaceholder />;
                 } else {
                     imageElement = (
-                        <img style={{ display: 'none' }} src={thumbUrl} ref={this._image}
+                        <img style={{ display: 'none' }} src={thumbUrl} ref={this.image}
                             alt={content.body}
                             onError={this.onImageError}
                             onLoad={this.onImageLoad}
@@ -364,7 +368,7 @@ export default class MImageBody extends React.Component {
         }
 
         // The maximum height of the thumbnail as it is rendered as an <img>
-        const maxHeight = Math.min(this.props.maxImageHeight || 600, infoHeight);
+        const maxHeight = forcedHeight || Math.min((this.props.maxImageHeight || 600), infoHeight);
         // The maximum width of the thumbnail, as dictated by its natural
         // maximum height.
         const maxWidth = infoWidth * maxHeight / infoHeight;
@@ -384,7 +388,7 @@ export default class MImageBody extends React.Component {
             // which has the same width as the timeline
             // mx_MImageBody_thumbnail resizes img to exactly container size
             img = (
-                <img className="mx_MImageBody_thumbnail" src={thumbUrl} ref={this._image}
+                <img className="mx_MImageBody_thumbnail" src={thumbUrl} ref={this.image}
                     style={{ maxWidth: maxWidth + "px" }}
                     alt={content.body}
                     onError={this.onImageError}
@@ -395,19 +399,19 @@ export default class MImageBody extends React.Component {
         }
 
         if (!this.state.showImage) {
-            img = <HiddenImagePlaceholder style={{ maxWidth: maxWidth + "px" }} />;
+            img = <HiddenImagePlaceholder maxWidth={maxWidth} />;
             showPlaceholder = false; // because we're hiding the image, so don't show the placeholder.
         }
 
-        if (this._isGif() && !SettingsStore.getValue("autoplayGifsAndVideos") && !this.state.hover) {
+        if (this.isGif() && !SettingsStore.getValue("autoplayGifsAndVideos") && !this.state.hover) {
             gifLabel = <p className="mx_MImageBody_gifLabel">GIF</p>;
         }
 
         const thumbnail = (
-            <div className="mx_MImageBody_thumbnail_container" style={{ maxHeight: maxHeight + "px" }} >
+            <div className="mx_MImageBody_thumbnail_container" style={{ maxHeight: maxHeight + "px", maxWidth: maxWidth + "px" }} >
                 { /* Calculate aspect ratio, using %padding will size _container correctly */ }
-                <div style={{ paddingBottom: (100 * infoHeight / infoWidth) + '%' }} />
+                <div style={{ paddingBottom: forcedHeight ? (forcedHeight + "px") : ((100 * infoHeight / infoWidth) + '%') }} />
-                {showPlaceholder &&
+                { showPlaceholder &&
                     <div className="mx_MImageBody_thumbnail" style={{
                         // Constrain width here so that spinner appears central to the loaded thumbnail
                         maxWidth: infoWidth + "px",
@@ -429,14 +433,14 @@ export default class MImageBody extends React.Component {
     }
 
     // Overidden by MStickerBody
-    wrapImage(contentUrl, children) {
+    protected wrapImage(contentUrl: string, children: JSX.Element): JSX.Element {
         return <a href={contentUrl} target={this.props.forExport ? "__blank" : undefined} onClick={this.onClick}>
             {children}
         </a>;
     }
 
     // Overidden by MStickerBody
-    getPlaceholder(width, height) {
+    protected getPlaceholder(width: number, height: number): JSX.Element {
         const blurhash = this.props.mxEvent.getContent().info[BLURHASH_FIELD];
         if (blurhash) return <Blurhash hash={blurhash} width={width} height={height} />;
         return <div className="mx_MImageBody_thumbnail_spinner">
@@ -445,18 +449,18 @@ export default class MImageBody extends React.Component {
     }
 
     // Overidden by MStickerBody
-    getTooltip() {
+    protected getTooltip(): JSX.Element {
         return null;
     }
 
     // Overidden by MStickerBody
-    getFileBody() {
+    protected getFileBody(): JSX.Element {
         if (this.props.forExport) return null;
         return <MFileBody {...this.props} decryptedBlob={this.state.decryptedBlob} showGenericPlaceholder={false} />;
     }
 
     render() {
-        const content = this.props.mxEvent.getContent();
+        const content = this.props.mxEvent.getContent<IMediaEventContent>();
 
         if (this.state.error !== null) {
             return (
@@ -467,15 +471,15 @@ export default class MImageBody extends React.Component {
             );
         }
 
-        const contentUrl = this._getContentUrl();
+        const contentUrl = this.getContentUrl();
         let thumbUrl;
-        if (this.props.forExport || (this._isGif() && SettingsStore.getValue("autoplayGifsAndVideos"))) {
+        if (this.props.forExport || (this.isGif() && SettingsStore.getValue("autoplayGifsAndVideos"))) {
             thumbUrl = contentUrl;
         } else {
-            thumbUrl = this._getThumbUrl();
+            thumbUrl = this.getThumbUrl();
         }
 
-        const thumbnail = this._messageContent(contentUrl, thumbUrl, content);
+        const thumbnail = this.messageContent(contentUrl, thumbUrl, content);
         const fileBody = this.getFileBody();
 
         return <span className="mx_MImageBody">
@@ -485,16 +489,18 @@ export default class MImageBody extends React.Component {
     }
 }
 
-export class HiddenImagePlaceholder extends React.PureComponent {
+interface PlaceholderIProps {
-    static propTypes = {
+    hover?: boolean;
-        hover: PropTypes.bool,
+    maxWidth?: number;
-    };
+}
 
+export class HiddenImagePlaceholder extends React.PureComponent<PlaceholderIProps> {
     render() {
+        const maxWidth = this.props.maxWidth ? this.props.maxWidth + "px" : null;
         let className = 'mx_HiddenImagePlaceholder';
         if (this.props.hover) className += ' mx_HiddenImagePlaceholder_hover';
         return (
-            <div className={className}>
+            <div className={className} style={{ maxWidth: maxWidth }}>
                 <div className='mx_HiddenImagePlaceholder_button'>
                     <span className='mx_HiddenImagePlaceholder_eye' />
                     <span>{_t("Show image")}</span>

src/components/views/messages/MImageReplyBody.tsx

@@ -0,0 +1,62 @@
+/*
+Copyright 2020-2021 Tulir Asokan <tulir@maunium.net>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import React from "react";
+import MImageBody from "./MImageBody";
+import { presentableTextForFile } from "./MFileBody";
+import { IMediaEventContent } from "../../../customisations/models/IMediaEventContent";
+import SenderProfile from "./SenderProfile";
+
+const FORCED_IMAGE_HEIGHT = 44;
+
+export default class MImageReplyBody extends MImageBody {
+    public onClick = (ev: React.MouseEvent): void => {
+        ev.preventDefault();
+    };
+
+    public wrapImage(contentUrl: string, children: JSX.Element): JSX.Element {
+        return children;
+    }
+
+    // Don't show "Download this_file.png ..."
+    public getFileBody(): JSX.Element {
+        return presentableTextForFile(this.props.mxEvent.getContent());
+    }
+
+    render() {
+        if (this.state.error !== null) {
+            return super.render();
+        }
+
+        const content = this.props.mxEvent.getContent<IMediaEventContent>();
+
+        const contentUrl = this.getContentUrl();
+        const thumbnail = this.messageContent(contentUrl, this.getThumbUrl(), content, FORCED_IMAGE_HEIGHT);
+        const fileBody = this.getFileBody();
+        const sender = <SenderProfile
+            mxEvent={this.props.mxEvent}
+            enableFlair={false}
+        />;
+
+        return <div className="mx_MImageReplyBody">
+            { thumbnail }
+            <div className="mx_MImageReplyBody_info">
+                <div className="mx_MImageReplyBody_sender">{ sender }</div>
+                <div className="mx_MImageReplyBody_filename">{ fileBody }</div>
+            </div>
+        </div>;
+    }
+}

src/components/views/messages/MVoiceMessageBody.tsx

@@ -25,9 +25,11 @@ import { mediaFromContent } from "../../../customisations/Media";
 import { decryptFile } from "../../../utils/DecryptFile";
 import RecordingPlayback from "../audio_messages/RecordingPlayback";
 import { IMediaEventContent } from "../../../customisations/models/IMediaEventContent";
+import { TileShape } from "../rooms/EventTile";
 
 interface IProps {
     mxEvent: MatrixEvent;
+    tileShape?: TileShape;
 }
 
 interface IState {
@@ -103,7 +105,7 @@ export default class MVoiceMessageBody extends React.PureComponent<IProps, IStat
         // At this point we should have a playable state
         return (
             <span className="mx_MVoiceMessageBody">
-                <RecordingPlayback playback={this.state.playback} />
+                <RecordingPlayback playback={this.state.playback} tileShape={this.props.tileShape} />
                 <MFileBody {...this.props} decryptedBlob={this.state.decryptedBlob} showGenericPlaceholder={false} />
             </span>
         );

src/components/views/messages/MessageEvent.js

@@ -42,7 +42,7 @@ export default class MessageEvent extends React.Component {
         onHeightChanged: PropTypes.func,
 
         /* the shape of the tile, used */
-        tileShape: PropTypes.string,
+        tileShape: PropTypes.string, // TODO: Use TileShape enum
 
         /* to set source to local file path during export */
         forExport: PropTypes.bool,
@@ -50,6 +50,10 @@ export default class MessageEvent extends React.Component {
         /* the maximum image height to use, if the event is an image */
         maxImageHeight: PropTypes.number,
 
+        /* overrides for the msgtype-specific components, used by ReplyTile to override file rendering */
+        overrideBodyTypes: PropTypes.object,
+        overrideEventTypes: PropTypes.object,
+
         /* the permalinkCreator */
         permalinkCreator: PropTypes.object,
     };
@@ -77,9 +81,12 @@ export default class MessageEvent extends React.Component {
             'm.file': sdk.getComponent('messages.MFileBody'),
             'm.audio': sdk.getComponent('messages.MVoiceOrAudioBody'),
             'm.video': sdk.getComponent('messages.MVideoBody'),
+
+            ...(this.props.overrideBodyTypes || {}),
         };
         const evTypes = {
             'm.sticker': sdk.getComponent('messages.MStickerBody'),
+            ...(this.props.overrideEventTypes || {}),
         };
 
         const content = this.props.mxEvent.getContent();
@@ -116,7 +123,7 @@ export default class MessageEvent extends React.Component {
             }
         }
 
-        return <BodyType
+        return BodyType ? <BodyType
             ref={this._body}
             mxEvent={this.props.mxEvent}
             highlights={this.props.highlights}
@@ -130,6 +137,6 @@ export default class MessageEvent extends React.Component {
             onHeightChanged={this.props.onHeightChanged}
             onMessageAllowed={this.onTileUpdate}
             permalinkCreator={this.props.permalinkCreator}
-        />;
+        /> : null;
     }
 }

src/components/views/messages/SenderProfile.tsx

@@ -15,12 +15,14 @@
  */
 
 import React from 'react';
+import { MatrixEvent } from "matrix-js-sdk/src/models/event";
+import { MsgType } from "matrix-js-sdk/src/@types/event";
+
 import Flair from '../elements/Flair';
 import FlairStore from '../../../stores/FlairStore';
 import { getUserNameColorClass } from '../../../utils/FormattingUtils';
 import MatrixClientContext from "../../../contexts/MatrixClientContext";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
-import { MatrixEvent } from "matrix-js-sdk/src/models/event";
 
 interface IProps {
     mxEvent: MatrixEvent;
@@ -36,7 +38,7 @@ interface IState {
 @replaceableComponent("views.messages.SenderProfile")
 export default class SenderProfile extends React.Component<IProps, IState> {
     static contextType = MatrixClientContext;
-    private unmounted: boolean;
+    private unmounted = false;
 
     constructor(props: IProps) {
         super(props);
@@ -49,8 +51,7 @@ export default class SenderProfile extends React.Component<IProps, IState> {
     }
 
     componentDidMount() {
-        this.unmounted = false;
+        this.updateRelatedGroups();
-        this._updateRelatedGroups();
 
         if (this.state.userGroups.length === 0) {
             this.getPublicisedGroups();
@@ -64,35 +65,29 @@ export default class SenderProfile extends React.Component<IProps, IState> {
         this.context.removeListener('RoomState.events', this.onRoomStateEvents);
     }
 
-    async getPublicisedGroups() {
+    private async getPublicisedGroups() {
-        if (!this.unmounted) {
+        const userGroups = await FlairStore.getPublicisedGroupsCached(this.context, this.props.mxEvent.getSender());
-            const userGroups = await FlairStore.getPublicisedGroupsCached(
+        if (this.unmounted) return;
-                this.context, this.props.mxEvent.getSender(),
+        this.setState({ userGroups });
-            );
-            this.setState({ userGroups });
-        }
     }
 
-    onRoomStateEvents = event => {
+    private onRoomStateEvents = (event: MatrixEvent) => {
-        if (event.getType() === 'm.room.related_groups' &&
+        if (event.getType() === 'm.room.related_groups' && event.getRoomId() === this.props.mxEvent.getRoomId()) {
-            event.getRoomId() === this.props.mxEvent.getRoomId()
+            this.updateRelatedGroups();
-        ) {
-            this._updateRelatedGroups();
         }
     };
 
-    _updateRelatedGroups() {
+    private updateRelatedGroups() {
-        if (this.unmounted) return;
         const room = this.context.getRoom(this.props.mxEvent.getRoomId());
         if (!room) return;
 
         const relatedGroupsEvent = room.currentState.getStateEvents('m.room.related_groups', '');
         this.setState({
-            relatedGroups: relatedGroupsEvent ? relatedGroupsEvent.getContent().groups || [] : [],
+            relatedGroups: relatedGroupsEvent?.getContent().groups || [],
         });
     }
 
-    _getDisplayedGroups(userGroups, relatedGroups) {
+    private getDisplayedGroups(userGroups?: string[], relatedGroups?: string[]) {
         let displayedGroups = userGroups || [];
         if (relatedGroups && relatedGroups.length > 0) {
             displayedGroups = relatedGroups.filter((groupId) => {
@@ -113,7 +108,7 @@ export default class SenderProfile extends React.Component<IProps, IState> {
         const displayName = mxEvent.sender?.rawDisplayName || mxEvent.getSender() || "";
         const mxid = mxEvent.sender?.userId || mxEvent.getSender() || "";
 
-        if (msgtype === 'm.emote') {
+        if (msgtype === MsgType.Emote) {
             return null; // emote message must include the name so don't duplicate it
         }
 
@@ -128,7 +123,7 @@ export default class SenderProfile extends React.Component<IProps, IState> {
 
         let flair;
         if (this.props.enableFlair) {
-            const displayedGroups = this._getDisplayedGroups(
+            const displayedGroups = this.getDisplayedGroups(
                 this.state.userGroups, this.state.relatedGroups,
             );
 

src/components/views/messages/TextualEvent.tsx

@@ -14,9 +14,10 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import React from 'react';
+import React from "react";
-import { MatrixEvent } from 'matrix-js-sdk/src/models/event';
+import { MatrixEvent } from "matrix-js-sdk/src/models/event";
 
+import RoomContext from "../../../contexts/RoomContext";
 import * as TextForEvent from "../../../TextForEvent";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
 
@@ -26,11 +27,11 @@ interface IProps {
 
 @replaceableComponent("views.messages.TextualEvent")
 export default class TextualEvent extends React.Component<IProps> {
-    render() {
+    static contextType = RoomContext;
-        const text = TextForEvent.textForEvent(this.props.mxEvent, true);
+
-        if (!text || (text as string).length === 0) return null;
+    public render() {
-        return (
+        const text = TextForEvent.textForEvent(this.props.mxEvent, true, this.context?.showHiddenEventsInTimeline);
-            <div className="mx_TextualEvent">{ text }</div>
+        if (!text) return null;
-        );
+        return <div className="mx_TextualEvent">{ text }</div>;
     }
 }

src/components/views/right_panel/UserInfo.tsx

@@ -69,6 +69,7 @@ import RoomName from "../elements/RoomName";
 import { mediaFromMxc } from "../../../customisations/Media";
 import UIStore from "../../../stores/UIStore";
 import { ComposerInsertPayload } from "../../../dispatcher/payloads/ComposerInsertPayload";
+import SpaceStore from "../../../stores/SpaceStore";
 
 export interface IDevice {
     deviceId: string;
@@ -728,7 +729,7 @@ const MuteToggleButton: React.FC<IBaseRoomProps> = ({ member, room, powerLevels,
         // if muting self, warn as it may be irreversible
         if (target === cli.getUserId()) {
             try {
-                if (!(await warnSelfDemote(SettingsStore.getValue("feature_spaces") && room?.isSpaceRoom()))) return;
+                if (!(await warnSelfDemote(SpaceStore.spacesEnabled && room?.isSpaceRoom()))) return;
             } catch (e) {
                 console.error("Failed to warn about self demotion: ", e);
                 return;
@@ -817,7 +818,7 @@ const RoomAdminToolsContainer: React.FC<IBaseRoomProps> = ({
     if (canAffectUser && me.powerLevel >= kickPowerLevel) {
         kickButton = <RoomKickButton member={member} startUpdating={startUpdating} stopUpdating={stopUpdating} />;
     }
-    if (me.powerLevel >= redactPowerLevel && (!SettingsStore.getValue("feature_spaces") || !room.isSpaceRoom())) {
+    if (me.powerLevel >= redactPowerLevel && (!SpaceStore.spacesEnabled || !room.isSpaceRoom())) {
         redactButton = (
             <RedactMessagesButton member={member} startUpdating={startUpdating} stopUpdating={stopUpdating} />
         );
@@ -1096,7 +1097,7 @@ const PowerLevelEditor: React.FC<{
         } else if (myUserId === target) {
             // If we are changing our own PL it can only ever be decreasing, which we cannot reverse.
             try {
-                if (!(await warnSelfDemote(SettingsStore.getValue("feature_spaces") && room?.isSpaceRoom()))) return;
+                if (!(await warnSelfDemote(SpaceStore.spacesEnabled && room?.isSpaceRoom()))) return;
             } catch (e) {
                 console.error("Failed to warn about self demotion: ", e);
             }
@@ -1326,10 +1327,10 @@ const BasicUserInfo: React.FC<{
     if (!isRoomEncrypted) {
         if (!cryptoEnabled) {
             text = _t("This client does not support end-to-end encryption.");
-        } else if (room && (!SettingsStore.getValue("feature_spaces") || !room.isSpaceRoom())) {
+        } else if (room && (!SpaceStore.spacesEnabled || !room.isSpaceRoom())) {
             text = _t("Messages in this room are not end-to-end encrypted.");
         }
-    } else if (!SettingsStore.getValue("feature_spaces") || !room.isSpaceRoom()) {
+    } else if (!SpaceStore.spacesEnabled || !room.isSpaceRoom()) {
         text = _t("Messages in this room are end-to-end encrypted.");
     }
 
@@ -1405,7 +1406,7 @@ const BasicUserInfo: React.FC<{
             canInvite={roomPermissions.canInvite}
             isIgnored={isIgnored}
             member={member as RoomMember}
-            isSpace={SettingsStore.getValue("feature_spaces") && room?.isSpaceRoom()}
+            isSpace={SpaceStore.spacesEnabled && room?.isSpaceRoom()}
         />
 
         { adminToolsContainer }
@@ -1568,7 +1569,7 @@ const UserInfo: React.FC<IProps> = ({
         previousPhase = RightPanelPhases.RoomMemberInfo;
         refireParams = { member: member };
     } else if (room) {
-        previousPhase = previousPhase = SettingsStore.getValue("feature_spaces") && room.isSpaceRoom()
+        previousPhase = previousPhase = SpaceStore.spacesEnabled && room.isSpaceRoom()
             ? RightPanelPhases.SpaceMemberList
             : RightPanelPhases.RoomMemberList;
     }
@@ -1617,7 +1618,7 @@ const UserInfo: React.FC<IProps> = ({
     }
 
     let scopeHeader;
-    if (SettingsStore.getValue("feature_spaces") && room?.isSpaceRoom()) {
+    if (SpaceStore.spacesEnabled && room?.isSpaceRoom()) {
         scopeHeader = <div className="mx_RightPanel_scopeHeader">
             <RoomAvatar room={room} height={32} width={32} />
             <RoomName room={room} />

src/components/views/room_settings/RoomPublishSetting.tsx

@@ -15,11 +15,13 @@ limitations under the License.
 */
 
 import React from "react";
+import { Visibility } from "matrix-js-sdk/src/@types/partials";
 
 import LabelledToggleSwitch from "../elements/LabelledToggleSwitch";
 import { _t } from "../../../languageHandler";
 import { MatrixClientPeg } from "../../../MatrixClientPeg";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import DirectoryCustomisations from '../../../customisations/Directory';
 
 interface IProps {
     roomId: string;
@@ -49,7 +51,7 @@ export default class RoomPublishSetting extends React.PureComponent<IProps, ISta
 
         client.setRoomDirectoryVisibility(
             this.props.roomId,
-            newValue ? 'public' : 'private',
+            newValue ? Visibility.Public : Visibility.Private,
         ).catch(() => {
             // Roll back the local echo on the change
             this.setState({ isRoomPublished: valueBefore });
@@ -66,10 +68,15 @@ export default class RoomPublishSetting extends React.PureComponent<IProps, ISta
     render() {
         const client = MatrixClientPeg.get();
 
+        const enabled = (
+            DirectoryCustomisations.requireCanonicalAliasAccessToPublish?.() === false ||
+            this.props.canSetCanonicalAlias
+        );
+
         return (
             <LabelledToggleSwitch value={this.state.isRoomPublished}
                 onChange={this.onRoomPublishChange}
-                disabled={!this.props.canSetCanonicalAlias}
+                disabled={!enabled}
                 label={_t("Publish this room to the public in %(domain)s's room directory?", {
                     domain: client.getDomain(),
                 })}

src/components/views/rooms/Autocomplete.tsx

@@ -55,7 +55,7 @@ interface IState {
 export default class Autocomplete extends React.PureComponent<IProps, IState> {
     autocompleter: Autocompleter;
     queryRequested: string;
-    debounceCompletionsRequest: NodeJS.Timeout;
+    debounceCompletionsRequest: number;
     private containerRef = createRef<HTMLDivElement>();
 
     constructor(props) {

src/components/views/rooms/EventTile.tsx

@@ -27,7 +27,6 @@ import { _t } from '../../../languageHandler';
 import { hasText } from "../../../TextForEvent";
 import * as sdk from "../../../index";
 import dis from '../../../dispatcher/dispatcher';
-import SettingsStore from "../../../settings/SettingsStore";
 import { Layout } from "../../../settings/Layout";
 import { formatTime } from "../../../DateUtils";
 import { MatrixClientPeg } from '../../../MatrixClientPeg';
@@ -54,6 +53,7 @@ import TooltipButton from '../elements/TooltipButton';
 import ReadReceiptMarker from "./ReadReceiptMarker";
 import MessageActionBar from "../messages/MessageActionBar";
 import ReactionsRow from '../messages/ReactionsRow';
+import { getEventDisplayInfo } from '../../../utils/EventUtils';
 
 const eventTileTypes = {
     [EventType.RoomMessage]: 'messages.MessageEvent',
@@ -192,8 +192,7 @@ export interface IReadReceiptProps {
 export enum TileShape {
     Notif = "notif",
     FileGrid = "file_grid",
-    Reply = "reply",
+    Pinned = "pinned",
-    ReplyPreview = "reply_preview",
 }
 
 interface IProps {
@@ -323,7 +322,7 @@ export default class EventTile extends React.Component<IProps, IState> {
     private suppressReadReceiptAnimation: boolean;
     private isListeningForReceipts: boolean;
     private tile = React.createRef();
-    private replyThread = React.createRef();
+    private replyThread = React.createRef<ReplyThread>();
 
     public readonly ref = createRef<HTMLElement>();
 
@@ -851,35 +850,9 @@ export default class EventTile extends React.Component<IProps, IState> {
     };
 
     render() {
-        //console.info("EventTile showUrlPreview for %s is %s", this.props.mxEvent.getId(), this.props.showUrlPreview);
+        const msgtype = this.props.mxEvent.getContent().msgtype;
+        const { tileHandler, isBubbleMessage, isInfoMessage } = getEventDisplayInfo(this.props.mxEvent);
 
-        const content = this.props.mxEvent.getContent();
-        const msgtype = content.msgtype;
-        const eventType = this.props.mxEvent.getType();
-
-        let tileHandler = getHandlerTile(this.props.mxEvent);
-
-        // Info messages are basically information about commands processed on a room
-        let isBubbleMessage = eventType.startsWith("m.key.verification") ||
-            (eventType === EventType.RoomMessage && msgtype && msgtype.startsWith("m.key.verification")) ||
-            (eventType === EventType.RoomCreate) ||
-            (eventType === EventType.RoomEncryption) ||
-            (tileHandler === "messages.MJitsiWidgetEvent");
-        let isInfoMessage = (
-            !isBubbleMessage && eventType !== EventType.RoomMessage &&
-            eventType !== EventType.Sticker && eventType !== EventType.RoomCreate
-        );
-
-        // If we're showing hidden events in the timeline, we should use the
-        // source tile when there's no regular tile for an event and also for
-        // replace relations (which otherwise would display as a confusing
-        // duplicate of the thing they are replacing).
-        if (SettingsStore.getValue("showHiddenEventsInTimeline") && !haveTileForEvent(this.props.mxEvent)) {
-            tileHandler = "messages.ViewSourceEvent";
-            isBubbleMessage = false;
-            // Reuse info message avatar and sender profile styling
-            isInfoMessage = true;
-        }
         // This shouldn't happen: the caller should check we support this type
         // before trying to instantiate us
         if (!tileHandler) {
@@ -906,7 +879,7 @@ export default class EventTile extends React.Component<IProps, IState> {
             mx_EventTile_12hr: this.props.isTwelveHour,
             // Note: we keep the `sending` state class for tests, not for our styles
             mx_EventTile_sending: !isEditing && isSending,
-            mx_EventTile_highlight: this.props.tileShape === 'notif' ? false : this.shouldHighlight(),
+            mx_EventTile_highlight: this.props.tileShape === TileShape.Notif ? false : this.shouldHighlight(),
             mx_EventTile_selected: this.props.isSelectedEvent,
             mx_EventTile_continuation: this.props.tileShape ? '' : this.props.continuation,
             mx_EventTile_last: this.props.last,
@@ -939,7 +912,7 @@ export default class EventTile extends React.Component<IProps, IState> {
         let avatarSize;
         let needsSenderProfile;
 
-        if (this.props.tileShape === "notif") {
+        if (this.props.tileShape === TileShape.Notif) {
             avatarSize = 24;
             needsSenderProfile = true;
         } else if (tileHandler === 'messages.RoomCreate' || isBubbleMessage) {
@@ -953,7 +926,7 @@ export default class EventTile extends React.Component<IProps, IState> {
         } else if (this.props.layout == Layout.IRC) {
             avatarSize = 14;
             needsSenderProfile = true;
-        } else if (this.props.continuation && this.props.tileShape !== "file_grid") {
+        } else if (this.props.continuation && this.props.tileShape !== TileShape.FileGrid) {
             // no avatar or sender profile for continuation messages
             avatarSize = 0;
             needsSenderProfile = false;
@@ -986,7 +959,7 @@ export default class EventTile extends React.Component<IProps, IState> {
         }
 
         if (needsSenderProfile) {
-            if (!this.props.tileShape || this.props.tileShape === 'reply' || this.props.tileShape === 'reply_preview') {
+            if (!this.props.tileShape) {
                 sender = <SenderProfile onClick={this.onSenderProfileClick}
                     mxEvent={this.props.mxEvent}
                     enableFlair={this.props.enableFlair}
@@ -1073,7 +1046,7 @@ export default class EventTile extends React.Component<IProps, IState> {
         }
 
         switch (this.props.tileShape) {
-            case 'notif': {
+            case TileShape.Notif: {
                 const room = this.context.getRoom(this.props.mxEvent.getRoomId());
                 return React.createElement(this.props.as || "li", {
                     "className": classes,
@@ -1101,11 +1074,12 @@ export default class EventTile extends React.Component<IProps, IState> {
                             highlightLink={this.props.highlightLink}
                             showUrlPreview={this.props.showUrlPreview}
                             onHeightChanged={this.props.onHeightChanged}
+                            tileShape={this.props.tileShape}
                         />
                     </div>,
                 ]);
             }
-            case 'file_grid': {
+            case TileShape.FileGrid: {
                 return React.createElement(this.props.as || "li", {
                     "className": classes,
                     "aria-live": ariaLive,
@@ -1136,44 +1110,6 @@ export default class EventTile extends React.Component<IProps, IState> {
                 ]);
             }
 
-            case 'reply':
-            case 'reply_preview': {
-                let thread;
-                if (this.props.tileShape === 'reply_preview') {
-                    thread = ReplyThread.makeThread(
-                        this.props.mxEvent,
-                        this.props.onHeightChanged,
-                        this.props.permalinkCreator,
-                        this.replyThread,
-                        null,
-                        this.props.alwaysShowTimestamps || this.state.hover,
-                    );
-                }
-                return React.createElement(this.props.as || "li", {
-                    "className": classes,
-                    "aria-live": ariaLive,
-                    "aria-atomic": true,
-                    "data-scroll-tokens": scrollToken,
-                }, [
-                    ircTimestamp,
-                    avatar,
-                    sender,
-                    ircPadlock,
-                    <div className="mx_EventTile_reply" key="mx_EventTile_reply">
-                        { groupTimestamp }
-                        { groupPadlock }
-                        { thread }
-                        <EventTileType ref={this.tile}
-                            mxEvent={this.props.mxEvent}
-                            highlights={this.props.highlights}
-                            highlightLink={this.props.highlightLink}
-                            onHeightChanged={this.props.onHeightChanged}
-                            replacingEventId={this.props.replacingEventId}
-                            showUrlPreview={false}
-                        />
-                    </div>,
-                ]);
-            }
             default: {
                 const thread = ReplyThread.makeThread(
                     this.props.mxEvent,
@@ -1196,10 +1132,10 @@ export default class EventTile extends React.Component<IProps, IState> {
                         "data-scroll-tokens": scrollToken,
                         "onMouseEnter": () => this.setState({ hover: true }),
                         "onMouseLeave": () => this.setState({ hover: false }),
-                    }, [
+                    }, <>
-                        ircTimestamp,
+                        { ircTimestamp }
-                        sender,
+                        { sender }
-                        ircPadlock,
+                        { ircPadlock }
                         <div className="mx_EventTile_line" key="mx_EventTile_line">
                             { groupTimestamp }
                             { groupPadlock }
@@ -1218,11 +1154,10 @@ export default class EventTile extends React.Component<IProps, IState> {
                             { keyRequestInfo }
                             { reactionsRow }
                             { actionBar }
-                        </div>,
+                        </div>
-                        msgOption,
+                        { msgOption }
-                        avatar,
+                        { avatar }
-
+                    </>)
-                    ])
                 );
             }
         }
@@ -1235,7 +1170,7 @@ function isMessageEvent(ev: MatrixEvent): boolean {
     return (messageTypes.includes(ev.getType()));
 }
 
-export function haveTileForEvent(e: MatrixEvent): boolean {
+export function haveTileForEvent(e: MatrixEvent, showHiddenEvents?: boolean) {
     // Only messages have a tile (black-rectangle) if redacted
     if (e.isRedacted() && !isMessageEvent(e)) return false;
 
@@ -1245,7 +1180,7 @@ export function haveTileForEvent(e: MatrixEvent): boolean {
     const handler = getHandlerTile(e);
     if (handler === undefined) return false;
     if (handler === 'messages.TextualEvent') {
-        return hasText(e);
+        return hasText(e, showHiddenEvents);
     } else if (handler === 'messages.RoomCreate') {
         return Boolean(e.getContent()['predecessor']);
     } else {

src/components/views/rooms/LinkPreviewGroup.tsx

@@ -40,10 +40,12 @@ const LinkPreviewGroup: React.FC<IProps> = ({ links, mxEvent, onCancelClick, onH
 
     const ts = mxEvent.getTs();
     const previews = useAsyncMemo<[string, IPreviewUrlResponse][]>(async () => {
-        return Promise.all<[string, IPreviewUrlResponse] | void>(links.map(link => {
+        return Promise.all<[string, IPreviewUrlResponse] | void>(links.map(async link => {
-            return cli.getUrlPreview(link, ts).then(preview => [link, preview], error => {
+            try {
+                return [link, await cli.getUrlPreview(link, ts)];
+            } catch (error) {
                 console.error("Failed to get URL preview: " + error);
-            });
+            }
         })).then(a => a.filter(Boolean)) as Promise<[string, IPreviewUrlResponse][]>;
     }, [links, ts], []);
 

src/components/views/rooms/MemberList.tsx

@@ -43,6 +43,7 @@ import EntityTile from "./EntityTile";
 import MemberTile from "./MemberTile";
 import BaseAvatar from '../avatars/BaseAvatar';
 import { throttle } from 'lodash';
+import SpaceStore from "../../../stores/SpaceStore";
 
 const INITIAL_LOAD_NUM_MEMBERS = 30;
 const INITIAL_LOAD_NUM_INVITED = 5;
@@ -509,7 +510,7 @@ export default class MemberList extends React.Component<IProps, IState> {
             const chat = CommunityPrototypeStore.instance.getSelectedCommunityGeneralChat();
             if (chat && chat.roomId === this.props.roomId) {
                 inviteButtonText = _t("Invite to this community");
-            } else if (SettingsStore.getValue("feature_spaces") && room.isSpaceRoom()) {
+            } else if (SpaceStore.spacesEnabled && room.isSpaceRoom()) {
                 inviteButtonText = _t("Invite to this space");
             }
 
@@ -549,7 +550,7 @@ export default class MemberList extends React.Component<IProps, IState> {
         let previousPhase = RightPanelPhases.RoomSummary;
         // We have no previousPhase for when viewing a MemberList from a Space
         let scopeHeader;
-        if (SettingsStore.getValue("feature_spaces") && room?.isSpaceRoom()) {
+        if (SpaceStore.spacesEnabled && room?.isSpaceRoom()) {
             previousPhase = undefined;
             scopeHeader = <div className="mx_RightPanel_scopeHeader">
                 <RoomAvatar room={room} height={32} width={32} />

src/components/views/rooms/PinnedEventTile.tsx

@@ -29,6 +29,7 @@ import { replaceableComponent } from "../../../utils/replaceableComponent";
 import MatrixClientContext from "../../../contexts/MatrixClientContext";
 import { getUserNameColorClass } from "../../../utils/FormattingUtils";
 import AccessibleTooltipButton from "../elements/AccessibleTooltipButton";
+import { TileShape } from "./EventTile";
 
 interface IProps {
     room: Room;
@@ -87,6 +88,7 @@ export default class PinnedEventTile extends React.Component<IProps> {
                     className="mx_PinnedEventTile_body"
                     maxImageHeight={150}
                     onHeightChanged={() => {}} // we need to give this, apparently
+                    tileShape={TileShape.Pinned}
                 />
             </div>
 

src/components/views/rooms/ReplyPreview.tsx

@@ -1,5 +1,5 @@
 /*
-Copyright 2017 New Vector Ltd
+Copyright 2017 - 2021 The Matrix.org Foundation C.I.C.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -16,14 +16,13 @@ limitations under the License.
 
 import React from 'react';
 import dis from '../../../dispatcher/dispatcher';
-import * as sdk from '../../../index';
 import { _t } from '../../../languageHandler';
 import RoomViewStore from '../../../stores/RoomViewStore';
-import SettingsStore from "../../../settings/SettingsStore";
-import PropTypes from "prop-types";
 import { RoomPermalinkCreator } from "../../../utils/permalinks/Permalinks";
-import { UIFeature } from "../../../settings/UIFeature";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import ReplyTile from './ReplyTile';
+import { MatrixEvent } from 'matrix-js-sdk/src/models/event';
+import { EventSubscription } from 'fbemitter';
 
 function cancelQuoting() {
     dis.dispatch({
@@ -32,47 +31,50 @@ function cancelQuoting() {
     });
 }
 
+interface IProps {
+    permalinkCreator: RoomPermalinkCreator;
+}
+
+interface IState {
+    event: MatrixEvent;
+}
+
 @replaceableComponent("views.rooms.ReplyPreview")
-export default class ReplyPreview extends React.Component {
+export default class ReplyPreview extends React.Component<IProps, IState> {
-    static propTypes = {
+    private unmounted = false;
-        permalinkCreator: PropTypes.instanceOf(RoomPermalinkCreator).isRequired,
+    private readonly roomStoreToken: EventSubscription;
-    };
 
     constructor(props) {
         super(props);
-        this.unmounted = false;
 
         this.state = {
             event: RoomViewStore.getQuotingEvent(),
         };
 
-        this._onRoomViewStoreUpdate = this._onRoomViewStoreUpdate.bind(this);
+        this.roomStoreToken = RoomViewStore.addListener(this.onRoomViewStoreUpdate);
-        this._roomStoreToken = RoomViewStore.addListener(this._onRoomViewStoreUpdate);
     }
 
     componentWillUnmount() {
         this.unmounted = true;
 
         // Remove RoomStore listener
-        if (this._roomStoreToken) {
+        if (this.roomStoreToken) {
-            this._roomStoreToken.remove();
+            this.roomStoreToken.remove();
         }
     }
 
-    _onRoomViewStoreUpdate() {
+    private onRoomViewStoreUpdate = (): void => {
         if (this.unmounted) return;
 
         const event = RoomViewStore.getQuotingEvent();
         if (this.state.event !== event) {
             this.setState({ event });
         }
-    }
+    };
 
     render() {
         if (!this.state.event) return null;
 
-        const EventTile = sdk.getComponent('rooms.EventTile');
-
         return <div className="mx_ReplyPreview">
             <div className="mx_ReplyPreview_section">
                 <div className="mx_ReplyPreview_header mx_ReplyPreview_title">
@@ -88,15 +90,12 @@ export default class ReplyPreview extends React.Component {
                     />
                 </div>
                 <div className="mx_ReplyPreview_clear" />
-                <EventTile
+                <div className="mx_ReplyPreview_tile">
-                    alwaysShowTimestamps={true}
+                    <ReplyTile
-                    tileShape="reply_preview"
+                        mxEvent={this.state.event}
-                    mxEvent={this.state.event}
+                        permalinkCreator={this.props.permalinkCreator}
-                    permalinkCreator={this.props.permalinkCreator}
+                    />
-                    isTwelveHour={SettingsStore.getValue("showTwelveHourTimestamps")}
+                </div>
-                    enableFlair={SettingsStore.getValue(UIFeature.Flair)}
-                    as="div"
-                />
             </div>
         </div>;
     }