Create new right panel cards

res/css/_components.scss

@@ -155,9 +155,12 @@
 @import "./views/messages/_UnknownBody.scss";
 @import "./views/messages/_ViewSourceEvent.scss";
 @import "./views/messages/_common_CryptoEvent.scss";
+@import "./views/right_panel/_BaseCard.scss";
 @import "./views/right_panel/_EncryptionInfo.scss";
+@import "./views/right_panel/_RoomSummaryCard.scss";
 @import "./views/right_panel/_UserInfo.scss";
 @import "./views/right_panel/_VerificationPanel.scss";
+@import "./views/right_panel/_WidgetCard.scss";
 @import "./views/room_settings/_AliasSettings.scss";
 @import "./views/rooms/_AppsDrawer.scss";
 @import "./views/rooms/_Autocomplete.scss";

res/css/views/right_panel/_BaseCard.scss

@@ -0,0 +1,164 @@
+/*
+Copyright 2020 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_BaseCard {
+    padding: 0 8px;
+    overflow: hidden;
+    display: flex;
+    flex-direction: column;
+    flex: 1;
+
+    .mx_BaseCard_header {
+        margin: 8px 0;
+
+        h2 {
+            margin: 0 44px;
+            font-size: $font-18px;
+            font-weight: $font-semi-bold;
+            overflow: hidden;
+            text-overflow: ellipsis;
+            white-space: nowrap;
+        }
+
+        .mx_BaseCard_back, .mx_BaseCard_close {
+            position: absolute;
+            background-color: rgba(141, 151, 165, 0.2); // TODO
+            height: 20px;
+            width: 20px;
+            margin: 12px;
+            top: 0;
+
+            &::before {
+                content: "";
+                position: absolute;
+                height: 16px;
+                width: 16px;
+                top: 2px;
+                left: 2px;
+                mask-repeat: no-repeat;
+                mask-position: center;
+                background-color: $rightpanel-button-color;
+            }
+        }
+
+        .mx_BaseCard_back {
+            border-radius: 4px;
+            left: 0;
+
+            &::before {
+                transform: rotate(90deg);
+                mask-size: 20px;
+                mask-image: url('$(res)/img/feather-customised/chevron-down.svg'); // TODO
+            }
+        }
+
+        .mx_BaseCard_close {
+            border-radius: 10px;
+            right: 0;
+
+            &::before {
+                mask-image: url('$(res)/img/icons-close.svg'); // TODO
+            }
+        }
+    }
+
+    .mx_AutoHideScrollbar {
+        // collapse the margin into a padding to move the scrollbar into the right gutter
+        margin-right: -8px;
+        padding-right: 8px;
+        min-height: 0;
+        width: 100%;
+        height: 100%;
+    }
+
+    .mx_BaseCard_Group {
+        margin: 20px 0 16px;
+
+        & > * {
+            margin-left: 10px;
+            margin-right: 10px;
+        }
+
+        h1 {
+            color: $tertiary-fg-color;
+            font-size: $font-12px;
+            font-weight: 500;
+        }
+
+        .mx_BaseCard_Button {
+            padding: 10px 38px 10px 12px;
+            margin: 0;
+            position: relative;
+            font-size: $font-13px;
+            height: 20px;
+            line-height: 20px;
+            border-radius: 8px;
+            overflow: hidden;
+            white-space: nowrap;
+            text-overflow: ellipsis;
+
+            &:hover {
+                background-color: rgba(141, 151, 165, 0.1);
+            }
+
+            &::after {
+                content: '';
+                position: absolute;
+                top: 10px;
+                right: 6px;
+                height: 20px;
+                width: 20px;
+                mask-repeat: no-repeat;
+                mask-position: center;
+                background-color: $icon-button-color;
+                transform: rotate(270deg);
+                mask-size: 20px;
+                mask-image: url('$(res)/img/feather-customised/chevron-down.svg'); // TODO
+            }
+        }
+    }
+
+    .mx_BaseCard_footer {
+        padding-top: 4px;
+        text-align: center;
+
+        .mx_AccessibleButton_kind_secondary {
+            color: $secondary-fg-color;
+            background-color: rgba(141, 151, 165, 0.2); // TODO
+            font-weight: $font-semi-bold;
+            font-size: $font-14px;
+            min-width: 70px;
+
+            & + .mx_AccessibleButton_kind_secondary {
+                margin-left: 16px;
+            }
+        }
+    }
+}
+
+.mx_FilePanel,
+.mx_UserInfo,
+.mx_NotificationPanel,
+.mx_MemberList {
+    &.mx_BaseCard {
+        padding: 32px 0 0;
+
+        .mx_AutoHideScrollbar {
+            margin-right: unset;
+            padding-right: unset;
+        }
+    }
+}

res/css/views/right_panel/_RoomSummaryCard.scss

@@ -0,0 +1,157 @@
+/*
+Copyright 2020 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_RoomSummaryCard {
+    // shrink left gutter by 12 and instead add it as margin to all things except the buttons
+    // as their hover effect should go into the gutter
+    & > * { // TODO consolidate this as the standard effect
+        margin-left: 10px;
+        margin-right: 10px;
+    }
+    .mx_AutoHideScrollbar {
+        margin-left: 0;
+    }
+
+    .mx_BaseCard_header {
+        text-align: center;
+        margin-top: 20px;
+
+        h2 {
+            font-weight: $font-semi-bold;
+            font-size: $font-18px;
+            margin: 12px 0 4px;
+        }
+
+        .mx_RoomSummaryCard_alias {
+            font-size: $font-13px;
+            color: $secondary-fg-color;
+        }
+
+        h2, .mx_RoomSummaryCard_alias {
+            display: -webkit-box;
+            -webkit-line-clamp: 2;
+            -webkit-box-orient: vertical;
+            overflow: hidden;
+            text-overflow: ellipsis;
+        }
+
+        .mx_RoomSummaryCard_avatar {
+            display: inline-flex;
+
+            .mx_RoomSummaryCard_e2ee {
+                display: inline-block;
+                position: relative;
+                width: 54px;
+                height: 54px;
+                border-radius: 50%;
+                background-color: #737D8C;
+                margin-top: -3px; // alignment
+                margin-left: -10px; // overlap
+                border: 3px solid $dark-panel-bg-color;
+
+                &::before {
+                    content: '';
+                    position: absolute;
+                    top: 13px;
+                    left: 13px;
+                    height: 28px;
+                    width: 28px;
+                    mask-size: cover;
+                    mask-repeat: no-repeat;
+                    mask-position: center;
+                    mask-image: url('$(res)/img/e2e/disabled.svg');
+                    background-color: #ffffff;
+                }
+            }
+
+            .mx_RoomSummaryCard_e2ee_secure{
+                background-color: #5ABFF2;
+                &::before {
+                    mask-image: url('$(res)/img/e2e/normal.svg');
+                }
+            }
+        }
+    }
+
+    .mx_RoomSummaryCard_aboutGroup {
+        .mx_RoomSummaryCard_Button {
+            padding-left: 48px;
+
+            &::before {
+                content: '';
+                position: absolute;
+                top: 8px;
+                left: 8px;
+                height: 24px;
+                width: 24px;
+                mask-repeat: no-repeat;
+                mask-position: center;
+                background-color: $icon-button-color;
+            }
+        }
+    }
+
+    .mx_RoomSummaryCard_appsGroup {
+        .mx_RoomSummaryCard_Button {
+            padding-left: 10px;
+            color: $tertiary-fg-color;
+
+            span {
+                color: $primary-fg-color;
+            }
+
+            img {
+                vertical-align: top;
+                margin-right: 18px;
+                border-radius: 4px;
+            }
+
+            &::before {
+                content: unset;
+            }
+        }
+
+        .mx_RoomSummaryCard_icon_app_pinned::after {
+            mask-image: url('$(res)/img/element-icons/room/pin2.svg');
+            background-color: $accent-color;
+            transform: unset;
+        }
+    }
+
+    .mx_AccessibleButton_kind_link {
+        padding: 0;
+        margin-top: 12px;
+        margin-bottom: 12px;
+        font-size: $font-13px;
+        font-weight: $font-semi-bold;
+    }
+}
+
+.mx_RoomSummaryCard_icon_people::before {
+    mask-image: url("$(res)/img/element-icons/room/members.svg");
+}
+
+.mx_RoomSummaryCard_icon_files::before {
+    mask-image: url('$(res)/img/element-icons/room/files.svg');
+}
+
+.mx_RoomSummaryCard_icon_share::before {
+    mask-image: url('$(res)/img/element-icons/room/share.svg');
+}
+
+.mx_RoomSummaryCard_icon_settings::before {
+    mask-image: url('$(res)/img/element-icons/settings.svg');
+}

res/css/views/right_panel/_WidgetCard.scss

@@ -0,0 +1,25 @@
+/*
+Copyright 2020 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_WidgetCard {
+    height: 100%;
+    display: contents;
+
+    .mx_AppTileFullWidth {
+        height: 100%;
+        border: 0;
+    }
+}

res/css/views/rooms/_RoomHeader.scss

@@ -236,10 +236,6 @@ limitations under the License.
     }
 }
 
-.mx_RoomHeader_settingsButton::before {
-    mask-image: url('$(res)/img/element-icons/settings.svg');
-}
-
 .mx_RoomHeader_forgetButton::before {
     mask-image: url('$(res)/img/element-icons/leave.svg');
     width: 26px;
@@ -249,14 +245,6 @@ limitations under the License.
     mask-image: url('$(res)/img/element-icons/room/search-inset.svg');
 }
 
-.mx_RoomHeader_shareButton::before {
-    mask-image: url('$(res)/img/element-icons/room/share.svg');
-}
-
-.mx_RoomHeader_manageIntegsButton::before {
-    mask-image: url('$(res)/img/element-icons/room/integrations.svg');
-}
-
 .mx_RoomHeader_showPanel {
     height: 16px;
 }

src/components/structures/RightPanel.js

@@ -32,6 +32,9 @@ import {RightPanelPhases, RIGHT_PANEL_PHASES_NO_ARGS} from "../../stores/RightPa
 import RightPanelStore from "../../stores/RightPanelStore";
 import MatrixClientContext from "../../contexts/MatrixClientContext";
 import {Action} from "../../dispatcher/actions";
+import RoomSummaryCard from "../views/right_panel/RoomSummaryCard";
+import WidgetCard from "../views/right_panel/WidgetCard";
+import defaultDispatcher from "../../dispatcher/dispatcher";
 
 export default class RightPanel extends React.Component {
     static get propTypes() {
@@ -182,6 +185,7 @@ export default class RightPanel extends React.Component {
                 event: payload.event,
                 verificationRequest: payload.verificationRequest,
                 verificationRequestPromise: payload.verificationRequestPromise,
+                widgetId: payload.widgetId,
             });
         }
     }
@@ -209,6 +213,14 @@ export default class RightPanel extends React.Component {
         }
     };
 
+    onClose = () => {
+        // the RightPanelStore has no way of knowing which mode room/group it is in, so we handle closing here
+        defaultDispatcher.dispatch({
+            action: Action.ToggleRightPanel,
+            type: this.props.groupId ? "group" : "room",
+        });
+    };
+
     render() {
         const MemberList = sdk.getComponent('rooms.MemberList');
         const UserInfo = sdk.getComponent('right_panel.UserInfo');
@@ -225,17 +237,24 @@ export default class RightPanel extends React.Component {
         switch (this.state.phase) {
             case RightPanelPhases.RoomMemberList:
                 if (this.props.room.roomId) {
-                    panel = <MemberList roomId={this.props.room.roomId} key={this.props.room.roomId} />;
+                    panel = <MemberList
+                        roomId={this.props.room.roomId}
+                        key={this.props.room.roomId}
+                        onClose={this.onClose}
+                    />;
                 }
                 break;
+
             case RightPanelPhases.GroupMemberList:
                 if (this.props.groupId) {
                     panel = <GroupMemberList groupId={this.props.groupId} key={this.props.groupId} />;
                 }
                 break;
+
             case RightPanelPhases.GroupRoomList:
                 panel = <GroupRoomList groupId={this.props.groupId} key={this.props.groupId} />;
                 break;
+
             case RightPanelPhases.RoomMemberInfo:
             case RightPanelPhases.EncryptionPanel:
                 panel = <UserInfo
@@ -248,9 +267,11 @@ export default class RightPanel extends React.Component {
                     verificationRequestPromise={this.state.verificationRequestPromise}
                 />;
                 break;
+
             case RightPanelPhases.Room3pidMemberInfo:
                 panel = <ThirdPartyMemberInfo event={this.state.event} key={this.props.room.roomId} />;
                 break;
+
             case RightPanelPhases.GroupMemberInfo:
                 panel = <UserInfo
                     user={this.state.member}
@@ -258,17 +279,31 @@ export default class RightPanel extends React.Component {
                     key={this.state.member.userId}
                     onClose={this.onCloseUserInfo} />;
                 break;
+
             case RightPanelPhases.GroupRoomInfo:
                 panel = <GroupRoomInfo
                     groupRoomId={this.state.groupRoomId}
                     groupId={this.props.groupId}
                     key={this.state.groupRoomId} />;
                 break;
+
             case RightPanelPhases.NotificationPanel:
-                panel = <NotificationPanel />;
+                panel = <NotificationPanel onClose={this.onClose} />;
                 break;
+
             case RightPanelPhases.FilePanel:
-                panel = <FilePanel roomId={this.props.room.roomId} resizeNotifier={this.props.resizeNotifier} />;
+                panel = <FilePanel
+                    roomId={this.props.room.roomId}
+                    resizeNotifier={this.props.resizeNotifier}
+                    onClose={this.onClose} />;
+                break;
+
+            case RightPanelPhases.RoomSummary:
+                panel = <RoomSummaryCard room={this.props.room} onClose={this.onClose} />;
+                break;
+
+            case RightPanelPhases.Widget:
+                panel = <WidgetCard room={this.props.room} widgetId={this.state.widgetId} onClose={this.onClose} />;
                 break;
         }
 

src/components/views/right_panel/BaseCard.tsx

@@ -0,0 +1,93 @@
+/*
+Copyright 2020 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, {ReactNode} from 'react';
+import classNames from 'classnames';
+
+import AutoHideScrollbar from "../../structures/AutoHideScrollbar";
+import {_t} from "../../../languageHandler";
+import AccessibleButton from "../elements/AccessibleButton";
+import defaultDispatcher from "../../../dispatcher/dispatcher";
+import {SetRightPanelPhasePayload} from "../../../dispatcher/payloads/SetRightPanelPhasePayload";
+import {Action} from "../../../dispatcher/actions";
+import {RightPanelPhases} from "../../../stores/RightPanelStorePhases";
+
+interface IProps {
+    header?: ReactNode;
+    footer?: ReactNode;
+    className?: string;
+    withoutScrollContainer?: boolean;
+    previousPhase?: RightPanelPhases;
+    onClose?(): void;
+}
+
+interface IGroupProps {
+    className?: string;
+    title: string;
+}
+
+export const Group: React.FC<IGroupProps> = ({ className, title, children }) => {
+    return <div className={classNames("mx_BaseCard_Group", className)}>
+        <h1>{title}</h1>
+        {children}
+    </div>;
+};
+
+const BaseCard: React.FC<IProps> = ({
+    onClose,
+    className,
+    header,
+    footer,
+    withoutScrollContainer,
+    previousPhase,
+    children,
+}) => {
+    let backButton;
+    if (previousPhase) {
+        const onBackClick = () => {
+            defaultDispatcher.dispatch<SetRightPanelPhasePayload>({
+                action: Action.SetRightPanelPhase,
+                phase: previousPhase,
+            });
+        };
+        backButton = <AccessibleButton className="mx_BaseCard_back" onClick={onBackClick} title={_t("Back")} />;
+    }
+
+    let closeButton;
+    if (onClose) {
+        closeButton = <AccessibleButton className="mx_BaseCard_close" onClick={onClose} title={_t("Close")} />;
+    }
+
+    if (!withoutScrollContainer) {
+        children = <AutoHideScrollbar>
+            { children }
+        </AutoHideScrollbar>;
+    }
+
+    return (
+        <div className={classNames("mx_BaseCard", className)}>
+            <div className="mx_BaseCard_header">
+                { backButton }
+                { closeButton }
+                { header }
+            </div>
+            { children }
+            { footer && <div className="mx_BaseCard_footer">{ footer }</div> }
+        </div>
+    );
+};
+
+export default BaseCard;

src/components/views/right_panel/HeaderButtons.tsx

@@ -96,8 +96,7 @@ export default abstract class HeaderButtons extends React.Component<IProps, ISta
     public abstract renderButtons(): JSX.Element[];
 
     public render() {
-        // inline style as this will be swapped around in future commits
+        return <div className="mx_HeaderButtons">
-        return <div className="mx_HeaderButtons" role="tablist">
             {this.renderButtons()}
         </div>;
     }

src/components/views/right_panel/RoomHeaderButtons.tsx

@@ -26,7 +26,10 @@ import {RightPanelPhases} from "../../../stores/RightPanelStorePhases";
 import {Action} from "../../../dispatcher/actions";
 import {ActionPayload} from "../../../dispatcher/payloads";
 
-const MEMBER_PHASES = [
+const ROOM_INFO_PHASES = [
+    RightPanelPhases.RoomSummary,
+    RightPanelPhases.Widget,
+    RightPanelPhases.FilePanel,
     RightPanelPhases.RoomMemberList,
     RightPanelPhases.RoomMemberInfo,
     RightPanelPhases.EncryptionPanel,
@@ -54,20 +57,10 @@ export default class RoomHeaderButtons extends HeaderButtons {
         }
     }
 
-    private onMembersClicked = () => {
+    // TODO make it restore whatever widget they were on last
-        if (this.state.phase === RightPanelPhases.RoomMemberInfo) {
+    private onRoomSummaryClicked = () => {
-            // send the active phase to trigger a toggle
-            // XXX: we should pass refireParams here but then it won't collapse as we desire it to
-            this.setPhase(RightPanelPhases.RoomMemberInfo);
-        } else {
         // This toggles for us, if needed
-            this.setPhase(RightPanelPhases.RoomMemberList);
+        this.setPhase(RightPanelPhases.RoomSummary);
-        }
-    };
-
-    private onFilesClicked = () => {
-        // This toggles for us, if needed
-        this.setPhase(RightPanelPhases.FilePanel);
     };
 
     private onNotificationsClicked = () => {
@@ -77,19 +70,17 @@ export default class RoomHeaderButtons extends HeaderButtons {
 
     public renderButtons() {
         return [
-            <HeaderButton key="membersButton" name="membersButton"
+            <HeaderButton
-                title={_t('Members')}
+                key="roomSummaryButton"
-                isHighlighted={this.isPhase(MEMBER_PHASES)}
+                name="roomSummaryButton"
-                onClick={this.onMembersClicked}
+                title={_t('Room Info')}
-                analytics={['Right Panel', 'Member List Button', 'click']}
+                isHighlighted={this.isPhase(ROOM_INFO_PHASES)}
+                onClick={this.onRoomSummaryClicked}
+                analytics={['Right Panel', 'Room Summary Button', 'click']}
             />,
-            <HeaderButton key="filesButton" name="filesButton"
+            <HeaderButton
-                title={_t('Files')}
+                key="notifsButton"
-                isHighlighted={this.isPhase(RightPanelPhases.FilePanel)}
+                name="notifsButton"
-                onClick={this.onFilesClicked}
-                analytics={['Right Panel', 'File List Button', 'click']}
-            />,
-            <HeaderButton key="notifsButton" name="notifsButton"
                 title={_t('Notifications')}
                 isHighlighted={this.isPhase(RightPanelPhases.NotificationPanel)}
                 onClick={this.onNotificationsClicked}

src/components/views/right_panel/RoomSummaryCard.tsx

@@ -0,0 +1,231 @@
+/*
+Copyright 2020 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, {useCallback, useState, useEffect, useContext} from "react";
+import classNames from "classnames";
+import {Room} from "matrix-js-sdk/src/models/room";
+import {getHttpUriForMxc} from "matrix-js-sdk/src/content-repo";
+
+import MatrixClientContext from "../../../contexts/MatrixClientContext";
+import { useIsEncrypted } from '../../../hooks/useIsEncrypted';
+import BaseCard, { Group } from "./BaseCard";
+import { _t } from '../../../languageHandler';
+import RoomAvatar from "../avatars/RoomAvatar";
+import AccessibleButton from "../elements/AccessibleButton";
+import defaultDispatcher from "../../../dispatcher/dispatcher";
+import {Action} from "../../../dispatcher/actions";
+import {RightPanelPhases} from "../../../stores/RightPanelStorePhases";
+import {SetRightPanelPhasePayload} from "../../../dispatcher/payloads/SetRightPanelPhasePayload";
+import Modal from "../../../Modal";
+import ShareDialog from '../dialogs/ShareDialog';
+import {useEventEmitter} from "../../../hooks/useEventEmitter";
+import WidgetEchoStore from "../../../stores/WidgetEchoStore";
+import WidgetUtils from "../../../utils/WidgetUtils";
+import {IntegrationManagers} from "../../../integrations/IntegrationManagers";
+import SettingsStore from "../../../settings/SettingsStore";
+import TextWithTooltip from "../elements/TextWithTooltip";
+import BaseAvatar from "../avatars/BaseAvatar";
+import AccessibleTooltipButton from "../elements/AccessibleTooltipButton";
+import {IApp, WidgetStore} from "../../../stores/WidgetStore";
+
+interface IProps {
+    room: Room;
+    onClose(): void;
+}
+
+interface IAppsSectionProps {
+    room: Room;
+}
+
+interface IButtonProps {
+    className: string;
+    onClick(): void;
+}
+
+const Button: React.FC<IButtonProps> = ({ children, className, onClick }) => {
+    return <AccessibleButton
+        className={classNames("mx_BaseCard_Button mx_RoomSummaryCard_Button", className)}
+        onClick={onClick}
+    >
+        { children }
+    </AccessibleButton>;
+};
+
+export const useWidgets = (room: Room) => {
+    const [apps, setApps] = useState<IApp[]>(WidgetStore.instance.getApps(room));
+
+    const updateApps = useCallback(() => {
+        // Copy the array so that we always trigger a re-render, as some updates mutate the array of apps/settings
+        setApps([...WidgetStore.instance.getApps(room)]);
+    }, [room]);
+
+    useEffect(updateApps, [room]);
+    useEventEmitter(WidgetEchoStore, "update", updateApps);
+    useEventEmitter(WidgetStore.instance, room.roomId, updateApps);
+
+    return apps;
+};
+
+const AppsSection: React.FC<IAppsSectionProps> = ({ room }) => {
+    const cli = useContext(MatrixClientContext);
+    const apps = useWidgets(room);
+
+    const onManageIntegrations = () => {
+        const managers = IntegrationManagers.sharedInstance();
+        if (!managers.hasManager()) {
+            managers.openNoManagerDialog();
+        } else {
+            if (SettingsStore.getValue("feature_many_integration_managers")) {
+                managers.openAll(room);
+            } else {
+                managers.getPrimaryManager().open(room);
+            }
+        }
+    };
+
+    return <Group className="mx_RoomSummaryCard_appsGroup" title={_t("Apps")}>
+        { apps.map(app => {
+            const name = WidgetUtils.getWidgetName(app);
+            const dataTitle = WidgetUtils.getWidgetDataTitle(app);
+            const subtitle = dataTitle && " - " + dataTitle;
+
+            let iconUrls = [require("../../../../res/img/element-icons/room/default_app.svg")];
+            // heuristics for some better icons until Widgets support their own icons
+            if (app.type.includes("meeting") || app.type.includes("calendar")) {
+                iconUrls = [require("../../../../res/img/element-icons/room/default_cal.svg")];
+            } else if (app.type.includes("pad") || app.type.includes("doc") || app.type.includes("calc")) {
+                iconUrls = [require("../../../../res/img/element-icons/room/default_doc.svg")];
+            } else if (app.type.includes("clock")) {
+                iconUrls = [require("../../../../res/img/element-icons/room/default_clock.svg")];
+            }
+
+            if (app.avatar_url) { // MSC2765
+                iconUrls.unshift(getHttpUriForMxc(cli.getHomeserverUrl(), app.avatar_url, 20, 20, "crop"));
+            }
+
+            const isPinned = WidgetStore.instance.isPinned(app.id);
+            const classes = classNames("mx_RoomSummaryCard_icon_app", {
+                mx_RoomSummaryCard_icon_app_pinned: isPinned,
+            });
+
+            if (isPinned) {
+                const onClick = () => {
+                    WidgetStore.instance.unpinWidget(app.id);
+                };
+
+                return <AccessibleTooltipButton
+                    key={app.id}
+                    className={classNames("mx_BaseCard_Button mx_RoomSummaryCard_Button", classes)}
+                    onClick={onClick}
+                    title={_t("Unpin app")}
+                >
+                    <BaseAvatar name={app.id} urls={iconUrls} width={20} height={20} />
+                    <span>{name}</span>
+                    { subtitle }
+                </AccessibleTooltipButton>
+            }
+
+            const onOpenWidgetClick = () => {
+                defaultDispatcher.dispatch<SetRightPanelPhasePayload>({
+                    action: Action.SetRightPanelPhase,
+                    phase: RightPanelPhases.Widget,
+                    refireParams: {
+                        widgetId: app.id,
+                    },
+                });
+            };
+
+            return <Button key={app.id} className={classes} onClick={onOpenWidgetClick}>
+                <BaseAvatar name={app.id} urls={iconUrls} width={20} height={20} />
+                <span>{name}</span>
+                { subtitle }
+            </Button>;
+        }) }
+
+        <AccessibleButton kind="link" onClick={onManageIntegrations}>
+            { apps.length > 0 ? _t("Edit apps") : _t("Add applications") }
+        </AccessibleButton>
+    </Group>;
+};
+
+const onRoomMembersClick = () => {
+    defaultDispatcher.dispatch<SetRightPanelPhasePayload>({
+        action: Action.SetRightPanelPhase,
+        phase: RightPanelPhases.RoomMemberList,
+    });
+};
+
+const onRoomFilesClick = () => {
+    defaultDispatcher.dispatch<SetRightPanelPhasePayload>({
+        action: Action.SetRightPanelPhase,
+        phase: RightPanelPhases.FilePanel,
+    });
+};
+
+const onRoomSettingsClick = () => {
+    defaultDispatcher.dispatch({ action: "open_room_settings" });
+};
+
+const RoomSummaryCard: React.FC<IProps> = ({ room, onClose }) => {
+    const cli = useContext(MatrixClientContext);
+
+    const onShareRoomClick = () => {
+        Modal.createTrackedDialog('share room dialog', '', ShareDialog, {
+            target: room,
+        });
+    };
+
+    const isRoomEncrypted = useIsEncrypted(cli, room);
+
+    const alias = room.getCanonicalAlias() || room.getAltAliases()[0] || "";
+    const header = <React.Fragment>
+        <div className="mx_RoomSummaryCard_avatar" role="presentation">
+            <RoomAvatar room={room} height={54} width={54} viewAvatarOnClick />
+            <TextWithTooltip
+                tooltip={isRoomEncrypted ? _t("Encrypted") : _t("Not encrypted")}
+                class={classNames("mx_RoomSummaryCard_e2ee", {
+                    mx_RoomSummaryCard_e2ee_secure: isRoomEncrypted,
+                })}
+            />
+        </div>
+
+        <h2 title={room.name}>{ room.name }</h2>
+        <div className="mx_RoomSummaryCard_alias" title={alias}>
+            { alias }
+        </div>
+    </React.Fragment>;
+
+    return <BaseCard header={header} className="mx_RoomSummaryCard" onClose={onClose}>
+        <Group title={_t("About")} className="mx_RoomSummaryCard_aboutGroup">
+            <Button className="mx_RoomSummaryCard_icon_people" onClick={onRoomMembersClick}>
+                {_t("%(count)s people", { count: room.getJoinedMembers().length })}
+            </Button>
+            <Button className="mx_RoomSummaryCard_icon_files" onClick={onRoomFilesClick}>
+                {_t("Show files")}
+            </Button>
+            <Button className="mx_RoomSummaryCard_icon_share" onClick={onShareRoomClick}>
+                {_t("Share room")}
+            </Button>
+            <Button className="mx_RoomSummaryCard_icon_settings" onClick={onRoomSettingsClick}>
+                {_t("Room settings")}
+            </Button>
+        </Group>
+
+        <AppsSection room={room} />
+    </BaseCard>;
+};
+
+export default RoomSummaryCard;

src/components/views/right_panel/WidgetCard.tsx

@@ -0,0 +1,107 @@
+/*
+Copyright 2020 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, {useContext, useEffect} from "react";
+import {Room} from "matrix-js-sdk/src/models/room";
+
+import MatrixClientContext from "../../../contexts/MatrixClientContext";
+import BaseCard from "./BaseCard";
+import WidgetUtils from "../../../utils/WidgetUtils";
+import AccessibleButton from "../elements/AccessibleButton";
+import AppTile from "../elements/AppTile";
+import {_t} from "../../../languageHandler";
+import {useWidgets} from "./RoomSummaryCard";
+import {RightPanelPhases} from "../../../stores/RightPanelStorePhases";
+import defaultDispatcher from "../../../dispatcher/dispatcher";
+import {SetRightPanelPhasePayload} from "../../../dispatcher/payloads/SetRightPanelPhasePayload";
+import {Action} from "../../../dispatcher/actions";
+import {WidgetStore} from "../../../stores/WidgetStore";
+
+interface IProps {
+    room: Room;
+    widgetId: string;
+    onClose(): void;
+}
+
+const onFinished = () => {
+    defaultDispatcher.dispatch<SetRightPanelPhasePayload>({
+        action: Action.SetRightPanelPhase,
+        phase: RightPanelPhases.RoomSummary,
+    });
+}
+
+const WidgetCard: React.FC<IProps> = ({ room, widgetId, onClose }) => {
+    const cli = useContext(MatrixClientContext);
+
+    const apps = useWidgets(room);
+    const app = apps.find(a => a.id === widgetId);
+    const isPinned = app && WidgetStore.instance.isPinned(app.id);
+
+    useEffect(() => {
+        if (!app || isPinned) {
+            // TODO maybe we should do this in the ActiveWidgetStore instead
+            onFinished();
+        }
+    }, [app, isPinned]);
+
+    // Don't render anything as we are about to transition
+    if (!app || isPinned) return null;
+
+    const header = <React.Fragment>
+        <h2>{ WidgetUtils.getWidgetName(app) }</h2>
+    </React.Fragment>;
+
+    const onPinClick = () => {
+        WidgetStore.instance.pinWidget(app.id);
+    };
+
+    const onEditClick = () => {
+        WidgetUtils.editWidget(room, app);
+    };
+
+    const footer = <React.Fragment>
+        <AccessibleButton kind="secondary" onClick={onPinClick}>
+            { _t("Pin to room") }
+        </AccessibleButton>
+        <AccessibleButton kind="secondary" onClick={onEditClick}>
+            { _t("Edit") }
+        </AccessibleButton>
+    </React.Fragment>;
+
+    return <BaseCard
+        header={header}
+        footer={footer}
+        className="mx_WidgetCard"
+        onClose={onClose}
+        previousPhase={RightPanelPhases.RoomSummary}
+        withoutScrollContainer
+    >
+        <AppTile
+            app={app}
+            fullWidth
+            show
+            showMenubar={false}
+            room={room}
+            userId={cli.getUserId()}
+            creatorUserId={app.creatorUserId}
+            widgetPageTitle={WidgetUtils.getWidgetDataTitle(app)}
+            waitForIframeLoad={app.waitForIframeLoad}
+            whitelistCapabilities={WidgetUtils.getCapWhitelistForAppTypeInRoomId(app.type, room.roomId)}
+        />
+    </BaseCard>;
+};
+
+export default WidgetCard;

src/dispatcher/payloads/SetRightPanelPhasePayload.ts

@@ -34,4 +34,5 @@ export interface SetRightPanelPhaseRefireParams {
     groupRoomId?: string;
     // XXX: The type for event should 'view_3pid_invite' action's payload
     event?: any;
+    widgetId?: string;
 }

src/settings/Settings.ts

@@ -607,4 +607,8 @@ export const SETTINGS: {[setting: string]: ISetting} = {
         displayName: _td("Enable experimental, compact IRC style layout"),
         default: false,
     },
+    "Widgets.pinned": {
+        supportedLevels: LEVELS_ROOM_OR_ACCOUNT,
+        default: [],
+    },
 };

src/stores/RightPanelStorePhases.ts

@@ -22,6 +22,8 @@ export enum RightPanelPhases {
     NotificationPanel = 'NotificationPanel',
     RoomMemberInfo = 'RoomMemberInfo',
     EncryptionPanel = 'EncryptionPanel',
+    RoomSummary = 'RoomSummary',
+    Widget = 'Widget',
 
     Room3pidMemberInfo = 'Room3pidMemberInfo',
     // Group stuff
@@ -34,6 +36,7 @@ export enum RightPanelPhases {
 // These are the phases that are safe to persist (the ones that don't require additional
 // arguments).
 export const RIGHT_PANEL_PHASES_NO_ARGS = [
+    RightPanelPhases.RoomSummary,
     RightPanelPhases.NotificationPanel,
     RightPanelPhases.FilePanel,
     RightPanelPhases.RoomMemberList,