Merge pull request #450 from matrix-org/matthew/notif-panel

FilePanel, NotificationPanel and EventTimelineSet support

src/MatrixClientPeg.js

@@ -18,6 +18,8 @@ limitations under the License.
 
 import Matrix from 'matrix-js-sdk';
 import utils from 'matrix-js-sdk/lib/utils';
+import EventTimeline from 'matrix-js-sdk/lib/models/event-timeline';
+import EventTimelineSet from 'matrix-js-sdk/lib/models/event-timeline-set';
 
 const localStorage = window.localStorage;
 
@@ -104,6 +106,13 @@ class MatrixClientPeg {
         this.matrixClient.setMaxListeners(500);
 
         this.matrixClient.setGuest(Boolean(creds.guest));
+
+        var notifTimelineSet = new EventTimelineSet(null, {
+            timelineSupport: true
+        });
+        // XXX: what is our initial pagination token?! it somehow needs to be synchronised with /sync.
+        notifTimelineSet.getLiveTimeline().setPaginationToken("", EventTimeline.BACKWARDS);
+        this.matrixClient.setNotifTimelineSet(notifTimelineSet);
     }
 }
 

src/Notifier.js

@@ -224,10 +224,12 @@ var Notifier = {
         }
     },
 
-    onRoomTimeline: function(ev, room, toStartOfTimeline) {
+    onRoomTimeline: function(ev, room, toStartOfTimeline, removed, data) {
         if (toStartOfTimeline) return;
+        if (!room) return;
         if (!this.isPrepared) return; // don't alert for any messages initially
         if (ev.sender && ev.sender.userId == MatrixClientPeg.get().credentials.userId) return;
+        if (data.timeline.getTimelineSet() !== room.getUnfilteredTimelineSet()) return;
 
         var actions = MatrixClientPeg.get().getPushActionsForEvent(ev);
         if (actions && actions.notify) {

src/UserActivity.js

@@ -37,7 +37,8 @@ class UserActivity {
         // itself being scrolled. Need to use addEventListener's useCapture.
         // also this needs to be the wheel event, not scroll, as scroll is
         // fired when the view scrolls down for a new message.
-        window.addEventListener('wheel', this._onUserActivity.bind(this), true);
+        window.addEventListener('wheel', this._onUserActivity.bind(this),
+                                { passive: true, capture: true });
         this.lastActivityAtTs = new Date().getTime();
         this.lastDispatchAtTs = 0;
         this.activityEndTimer = undefined;
@@ -50,7 +51,8 @@ class UserActivity {
         document.onmousedown = undefined;
         document.onmousemove = undefined;
         document.onkeypress = undefined;
-        window.removeEventListener('wheel', this._onUserActivity.bind(this), true);
+        window.removeEventListener('wheel', this._onUserActivity.bind(this),
+                                   { passive: true, capture: true });
     }
 
     /**

src/component-index.js

@@ -27,8 +27,10 @@ limitations under the License.
 module.exports.components = {};
 module.exports.components['structures.ContextualMenu'] = require('./components/structures/ContextualMenu');
 module.exports.components['structures.CreateRoom'] = require('./components/structures/CreateRoom');
+module.exports.components['structures.FilePanel'] = require('./components/structures/FilePanel');
 module.exports.components['structures.MatrixChat'] = require('./components/structures/MatrixChat');
 module.exports.components['structures.MessagePanel'] = require('./components/structures/MessagePanel');
+module.exports.components['structures.NotificationPanel'] = require('./components/structures/NotificationPanel');
 module.exports.components['structures.RoomStatusBar'] = require('./components/structures/RoomStatusBar');
 module.exports.components['structures.RoomView'] = require('./components/structures/RoomView');
 module.exports.components['structures.ScrollPanel'] = require('./components/structures/ScrollPanel');

src/components/structures/FilePanel.js

@@ -0,0 +1,121 @@
+/*
+Copyright 2016 OpenMarket Ltd
+
+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.
+*/
+
+var React = require('react');
+var ReactDOM = require("react-dom");
+
+var Matrix = require("matrix-js-sdk");
+var sdk = require('../../index');
+var MatrixClientPeg = require("../../MatrixClientPeg");
+var dis = require("../../dispatcher");
+
+/*
+ * Component which shows the filtered file using a TimelinePanel
+ */
+var FilePanel = React.createClass({
+    displayName: 'FilePanel',
+
+    propTypes: {
+        roomId: React.PropTypes.string.isRequired,
+    },
+
+    getInitialState: function() {
+        return {
+            timelineSet: null,
+        }
+    },
+
+    componentWillMount: function() {
+        this.updateTimelineSet(this.props.roomId);
+    },
+
+    componentWillReceiveProps: function(nextProps) {
+        if (nextProps.roomId !== this.props.roomId) {
+            // otherwise we race between re-rendering the TimelinePanel and setting the new timelineSet.
+            //
+            // FIXME: this race only happens because of the promise returned by getOrCreateFilter().
+            // We should only need to create the containsUrl filter once per login session, so in practice
+            // it shouldn't be being done here at all.  Then we could just update the timelineSet directly
+            // without resetting it first, and speed up room-change.
+            this.setState({ timelineSet: null });
+            this.updateTimelineSet(nextProps.roomId);
+        }
+    },
+
+    updateTimelineSet: function(roomId) {
+        var client = MatrixClientPeg.get();
+        var room = client.getRoom(roomId);
+
+        if (room) {
+            var filter = new Matrix.Filter(client.credentials.userId);
+            filter.setDefinition(
+                {
+                    "room": {
+                        "timeline": {
+                            "contains_url": true
+                        },
+                    }
+                }
+            );
+
+            // FIXME: we shouldn't be doing this every time we change room - see comment above.
+            client.getOrCreateFilter("FILTER_FILES_" + client.credentials.userId, filter).then(
+                (filterId)=>{
+                    filter.filterId = filterId;
+                    var timelineSet = room.getOrCreateFilteredTimelineSet(filter);
+                    this.setState({ timelineSet: timelineSet });
+                },
+                (error)=>{
+                    console.error("Failed to get or create file panel filter", error);
+                }
+            );
+        }
+        else {
+            console.error("Failed to add filtered timelineSet for FilePanel as no room!");
+        }
+    },
+
+    render: function() {
+        // wrap a TimelinePanel with the jump-to-event bits turned off.
+        var TimelinePanel = sdk.getComponent("structures.TimelinePanel");
+        var Loader = sdk.getComponent("elements.Spinner");
+
+        if (this.state.timelineSet) {
+            // console.log("rendering TimelinePanel for timelineSet " + this.state.timelineSet.room.roomId + " " +
+            //             "(" + this.state.timelineSet._timelines.join(", ") + ")" + " with key " + this.props.roomId);
+            return (
+                <TimelinePanel key={"filepanel_" + this.props.roomId}
+                    className="mx_FilePanel"
+                    manageReadReceipts={false}
+                    manageReadMarkers={false}
+                    timelineSet={this.state.timelineSet}
+                    showUrlPreview = { false }
+                    tileShape="file_grid"
+                    opacity={ this.props.opacity }
+                />
+            );
+        }
+        else {
+            return (
+                <div className="mx_FilePanel">
+                    <Loader/>
+                </div>
+            );
+        }
+    },
+});
+
+module.exports = FilePanel;

src/components/structures/MessagePanel.js

@@ -60,6 +60,9 @@ module.exports = React.createClass({
         // true to suppress the date at the start of the timeline
         suppressFirstDateSeparator: React.PropTypes.bool,
 
+        // whether to show read receipts
+        manageReadReceipts: React.PropTypes.bool,
+
         // true if updates to the event list should cause the scroll panel to
         // scroll down when we are at the bottom of the window. See ScrollPanel
         // for more details.
@@ -73,6 +76,12 @@ module.exports = React.createClass({
 
         // opacity for dynamic UI fading effects
         opacity: React.PropTypes.number,
+
+        // className for the panel
+        className: React.PropTypes.string.isRequired,
+
+        // shape parameter to be passed to EventTiles
+        tileShape: React.PropTypes.string,
     },
 
     componentWillMount: function() {
@@ -370,7 +379,10 @@ module.exports = React.createClass({
         // Local echos have a send "status".
         var scrollToken = mxEv.status ? undefined : eventId;
 
-        var readReceipts = this._getReadReceiptsForEvent(mxEv);
+        var readReceipts;
+        if (this.props.manageReadReceipts) {
+            readReceipts = this._getReadReceiptsForEvent(mxEv);
+        }
 
         ret.push(
                 <li key={eventId}
@@ -383,6 +395,7 @@ module.exports = React.createClass({
                         showUrlPreview={this.props.showUrlPreview}
                         checkUnmounting={this._isUnmounting}
                         eventSendStatus={mxEv.status}
+                        tileShape={this.props.tileShape}
                         last={last} isSelectedEvent={highlight}/>
                 </li>
         );
@@ -503,7 +516,7 @@ module.exports = React.createClass({
         style.opacity = this.props.opacity;
 
         return (
-            <ScrollPanel ref="scrollPanel" className="mx_RoomView_messagePanel mx_fadable"
+            <ScrollPanel ref="scrollPanel" className={ this.props.className + " mx_fadable" }
                     onScroll={ this.props.onScroll }
                     onResize={ this.onResize }
                     onFillRequest={ this.props.onFillRequest }

src/components/structures/NotificationPanel.js

@@ -0,0 +1,65 @@
+/*
+Copyright 2016 OpenMarket Ltd
+
+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.
+*/
+
+var React = require('react');
+var ReactDOM = require("react-dom");
+
+var Matrix = require("matrix-js-sdk");
+var sdk = require('../../index');
+var MatrixClientPeg = require("../../MatrixClientPeg");
+var dis = require("../../dispatcher");
+
+/*
+ * Component which shows the global notification list using a TimelinePanel
+ */
+var NotificationPanel = React.createClass({
+    displayName: 'NotificationPanel',
+
+    propTypes: {
+    },
+
+    render: function() {
+        // wrap a TimelinePanel with the jump-to-event bits turned off.
+        var TimelinePanel = sdk.getComponent("structures.TimelinePanel");
+        var Loader = sdk.getComponent("elements.Spinner");
+
+        var timelineSet = MatrixClientPeg.get().getNotifTimelineSet();
+
+        if (timelineSet) {
+            return (
+                <TimelinePanel key={"NotificationPanel_" + this.props.roomId}
+                    className="mx_NotificationPanel"
+                    manageReadReceipts={false}
+                    manageReadMarkers={false}
+                    timelineSet={timelineSet}
+                    showUrlPreview = { false }
+                    opacity={ this.props.opacity }
+                    tileShape="notif"
+                />
+            );
+        }
+        else {
+            console.error("No notifTimelineSet available!");
+            return (
+                <div className="mx_NotificationPanel">
+                    <Loader/>
+                </div>
+            );
+        }
+    },
+});
+
+module.exports = NotificationPanel;

src/components/structures/RoomView.js

@@ -340,8 +340,12 @@ module.exports = React.createClass({
         if (this.unmounted) return;
 
         // ignore events for other rooms
+        if (!room) return;
         if (!this.state.room || room.roomId != this.state.room.roomId) return;
 
+        // ignore events from filtered timelines
+        if (data.timeline.getTimelineSet() !== room.getUnfilteredTimelineSet()) return;
+
         if (ev.getType() === "org.matrix.room.preview_urls") {
             this._updatePreviewUrlVisibility(room);
         }
@@ -1570,7 +1574,9 @@ module.exports = React.createClass({
 
         var messagePanel = (
             <TimelinePanel ref={this._gatherTimelinePanelRef}
-                room={this.state.room}
+                timelineSet={this.state.room.getUnfilteredTimelineSet()}
+                manageReadReceipts={true}
+                manageReadMarkers={true}
                 hidden={hideMessagePanel}
                 highlightedEventId={this.props.highlightedEventId}
                 eventId={this.props.eventId}
@@ -1579,6 +1585,7 @@ module.exports = React.createClass({
                 onReadMarkerUpdated={ this._updateTopUnreadMessagesBar }
                 showUrlPreview = { this.state.showUrlPreview }
                 opacity={ this.props.opacity }
+                className="mx_RoomView_messagePanel"
             />);
 
         var topUnreadMessagesBar = null;

src/components/structures/TimelinePanel.js

@@ -50,9 +50,15 @@ var TimelinePanel = React.createClass({
     displayName: 'TimelinePanel',
 
     propTypes: {
-        // The js-sdk Room object for the room whose timeline we are
+        // The js-sdk EventTimelineSet object for the timeline sequence we are
-        // representing.
+        // representing.  This may or may not have a room, depending on what it's
-        room: React.PropTypes.object.isRequired,
+        // a timeline representing.  If it has a room, we maintain RRs etc for
+        // that room.
+        timelineSet: React.PropTypes.object.isRequired,
+
+        // Enable managing RRs and RMs. These require the timelineSet to have a room.
+        manageReadReceipts: React.PropTypes.bool,
+        manageReadMarkers: React.PropTypes.bool,
 
         // true to give the component a 'display: none' style.
         hidden: React.PropTypes.bool,
@@ -84,6 +90,12 @@ var TimelinePanel = React.createClass({
 
         // maximum number of events to show in a timeline
         timelineCap: React.PropTypes.number,
+
+        // classname to use for the messagepanel
+        className: React.PropTypes.string,
+
+        // shape property to be passed to EventTiles
+        tileShape: React.PropTypes.string,
     },
 
     statics: {
@@ -97,13 +109,18 @@ var TimelinePanel = React.createClass({
     getDefaultProps: function() {
         return {
             timelineCap: 250,
+            className: 'mx_RoomView_messagePanel',
         };
     },
 
     getInitialState: function() {
+        // XXX: we could track RM per TimelineSet rather than per Room.
+        // but for now we just do it per room for simplicity.
+        if (this.props.manageReadMarkers) {
             var initialReadMarker =
-            TimelinePanel.roomReadMarkerMap[this.props.room.roomId]
+                TimelinePanel.roomReadMarkerMap[this.props.timelineSet.room.roomId]
                            || this._getCurrentReadReceipt();
+        }
 
         return {
             events: [],
@@ -137,7 +154,7 @@ var TimelinePanel = React.createClass({
             canForwardPaginate: false,
 
             // start with the read-marker visible, so that we see its animated
-            // disappearance when swtitching into the room.
+            // disappearance when switching into the room.
             readMarkerVisible: true,
 
             readMarkerEventId: initialReadMarker,
@@ -163,8 +180,8 @@ var TimelinePanel = React.createClass({
     },
 
     componentWillReceiveProps: function(newProps) {
-        if (newProps.room !== this.props.room) {
+        if (newProps.timelineSet !== this.props.timelineSet) {
-            // throw new Error("changing room on a TimelinePanel is not supported");
+            // throw new Error("changing timelineSet on a TimelinePanel is not supported");
 
             // regrettably, this does happen; in particular, when joining a
             // room with /join. In that case, there are two Rooms in
@@ -175,7 +192,7 @@ var TimelinePanel = React.createClass({
             //
             // for now, just warn about this. But we're going to end up paginating
             // both rooms separately, and it's all bad.
-            console.warn("Replacing room on a TimelinePanel - confusion may ensue");
+            console.warn("Replacing timelineSet on a TimelinePanel - confusion may ensue");
         }
 
         if (newProps.eventId != this.props.eventId) {
@@ -280,12 +297,14 @@ var TimelinePanel = React.createClass({
             this.props.onScroll();
         }
 
+        if (this.props.manageReadMarkers) {
             // we hide the read marker when it first comes onto the screen, but if
             // it goes back off the top of the screen (presumably because the user
             // clicks on the 'jump to bottom' button), we need to re-enable it.
             if (this.getReadMarkerPosition() < 0) {
                 this.setState({readMarkerVisible: true});
             }
+        }
     },
 
     onAction: function(payload) {
@@ -304,8 +323,8 @@ var TimelinePanel = React.createClass({
     },
 
     onRoomTimeline: function(ev, room, toStartOfTimeline, removed, data) {
-        // ignore events for other rooms
+        // ignore events for other timeline sets
-        if (room !== this.props.room) return;
+        if (data.timeline.getTimelineSet() !== this.props.timelineSet) return;
 
         // ignore anything but real-time updates at the end of the room:
         // updates from pagination will happen when the paginate completes.
@@ -337,12 +356,13 @@ var TimelinePanel = React.createClass({
             var lastEv = events[events.length-1];
 
             // if we're at the end of the live timeline, append the pending events
-            if (!this._timelineWindow.canPaginate(EventTimeline.FORWARDS)) {
+            if (this.props.timelineSet.room && !this._timelineWindow.canPaginate(EventTimeline.FORWARDS)) {
-                events.push(... this.props.room.getPendingEvents());
+                events.push(... this.props.timelineSet.room.getPendingEvents());
             }
 
             var updatedState = {events: events};
 
+            if (this.props.manageReadMarkers) {
                 // when a new event arrives when the user is not watching the
                 // window, but the window is in its auto-scroll mode, make sure the
                 // read marker is visible.
@@ -364,13 +384,14 @@ var TimelinePanel = React.createClass({
                     updatedState.readMarkerEventId = lastEv.getId();
                     callback = this.props.onReadMarkerUpdated;
                 }
+            }
 
             this.setState(updatedState, callback);
         });
     },
 
-    onRoomTimelineReset: function(room) {
+    onRoomTimelineReset: function(room, timelineSet) {
-        if (room !== this.props.room) return;
+        if (timelineSet !== this.props.timelineSet) return;
 
         if (this.refs.messagePanel && this.refs.messagePanel.isAtBottom()) {
             this._loadTimeline();
@@ -381,7 +402,7 @@ var TimelinePanel = React.createClass({
         if (this.unmounted) return;
 
         // ignore events for other rooms
-        if (room !== this.props.room) return;
+        if (room !== this.props.timelineSet.room) return;
 
         // we could skip an update if the event isn't in our timeline,
         // but that's probably an early optimisation.
@@ -392,7 +413,7 @@ var TimelinePanel = React.createClass({
         if (this.unmounted) return;
 
         // ignore events for other rooms
-        if (room !== this.props.room) return;
+        if (room !== this.props.timelineSet.room) return;
 
         this.forceUpdate();
     },
@@ -401,7 +422,7 @@ var TimelinePanel = React.createClass({
         if (this.unmounted) return;
 
         // ignore events for other rooms
-        if (room !== this.props.room) return;
+        if (room !== this.props.timelineSet.room) return;
 
         this._reloadEvents();
     },
@@ -409,12 +430,13 @@ var TimelinePanel = React.createClass({
 
     sendReadReceipt: function() {
         if (!this.refs.messagePanel) return;
+        if (!this.props.manageReadReceipts) return;
 
         // if we are scrolled to the bottom, do a quick-reset of our unreadNotificationCount
         // to avoid having to wait from the remote echo from the homeserver.
         if (this.isAtEndOfLiveTimeline()) {
-            this.props.room.setUnreadNotificationCount('total', 0);
+            this.props.timelineSet.room.setUnreadNotificationCount('total', 0);
-            this.props.room.setUnreadNotificationCount('highlight', 0);
+            this.props.timelineSet.room.setUnreadNotificationCount('highlight', 0);
             // XXX: i'm a bit surprised we don't have to emit an event or dispatch to get this picked up
         }
 
@@ -461,6 +483,7 @@ var TimelinePanel = React.createClass({
     // if the read marker is on the screen, we can now assume we've caught up to the end
     // of the screen, so move the marker down to the bottom of the screen.
     updateReadMarker: function() {
+        if (!this.props.manageReadMarkers) return;
         if (this.getReadMarkerPosition() !== 0) {
             return;
         }
@@ -498,6 +521,8 @@ var TimelinePanel = React.createClass({
 
     // advance the read marker past any events we sent ourselves.
     _advanceReadMarkerPastMyEvents: function() {
+        if (!this.props.manageReadMarkers) return;
+
         // we call _timelineWindow.getEvents() rather than using
         // this.state.events, because react batches the update to the latter, so it
         // may not have been updated yet.
@@ -548,11 +573,9 @@ var TimelinePanel = React.createClass({
      * the container.
      */
     jumpToReadMarker: function() {
-        if (!this.refs.messagePanel)
+        if (!this.props.manageReadMarkers) return;
-            return;
+        if (!this.refs.messagePanel) return;
-
+        if (!this.state.readMarkerEventId) return;
-        if (!this.state.readMarkerEventId)
-            return;
 
         // we may not have loaded the event corresponding to the read-marker
         // into the _timelineWindow. In that case, attempts to scroll to it
@@ -579,10 +602,12 @@ var TimelinePanel = React.createClass({
     /* update the read-up-to marker to match the read receipt
      */
     forgetReadMarker: function() {
+        if (!this.props.manageReadMarkers) return;
+
         var rmId = this._getCurrentReadReceipt();
 
         // see if we know the timestamp for the rr event
-        var tl = this.props.room.getTimelineForEvent(rmId);
+        var tl = this.props.timelineSet.getTimelineForEvent(rmId);
         var rmTs;
         if (tl) {
             var event = tl.getEvents().find((e) => { return e.getId() == rmId });
@@ -622,7 +647,9 @@ var TimelinePanel = React.createClass({
     //   0: read marker is visible
     //  +1: read marker is below the window
     getReadMarkerPosition: function() {
-        if (!this.refs.messagePanel) { return null; }
+        if (!this.props.manageReadMarkers) return null;
+        if (!this.refs.messagePanel) return null;
+
         var ret = this.refs.messagePanel.getReadMarkerPosition();
         if (ret !== null) {
             return ret;
@@ -630,7 +657,7 @@ var TimelinePanel = React.createClass({
 
         // the messagePanel doesn't know where the read marker is.
         // if we know the timestamp of the read marker, make a guess based on that.
-        var rmTs = TimelinePanel.roomReadMarkerTsMap[this.props.room.roomId];
+        var rmTs = TimelinePanel.roomReadMarkerTsMap[this.props.timelineSet.roomId];
         if (rmTs && this.state.events.length > 0) {
             if (rmTs < this.state.events[0].getTs()) {
                 return -1;
@@ -691,7 +718,7 @@ var TimelinePanel = React.createClass({
      */
     _loadTimeline: function(eventId, pixelOffset, offsetBase) {
         this._timelineWindow = new Matrix.TimelineWindow(
-            MatrixClientPeg.get(), this.props.room,
+            MatrixClientPeg.get(), this.props.timelineSet,
             {windowLimit: this.props.timelineCap});
 
         var onLoaded = () => {
@@ -745,7 +772,7 @@ var TimelinePanel = React.createClass({
                     // go via the dispatcher so that the URL is updated
                     dis.dispatch({
                         action: 'view_room',
-                        room_id: this.props.room.roomId,
+                        room_id: this.props.timelineSet.roomId,
                     });
                 };
             }
@@ -807,7 +834,7 @@ var TimelinePanel = React.createClass({
 
         // if we're at the end of the live timeline, append the pending events
         if (!this._timelineWindow.canPaginate(EventTimeline.FORWARDS)) {
-            events.push(... this.props.room.getPendingEvents());
+            events.push(... this.props.timelineSet.getPendingEvents());
         }
 
         return events;
@@ -873,11 +900,13 @@ var TimelinePanel = React.createClass({
             return null;
 
         var myUserId = client.credentials.userId;
-        return this.props.room.getEventReadUpTo(myUserId, ignoreSynthesized);
+        return this.props.timelineSet.room.getEventReadUpTo(myUserId, ignoreSynthesized);
     },
 
     _setReadMarker: function(eventId, eventTs, inhibitSetState) {
-        if (TimelinePanel.roomReadMarkerMap[this.props.room.roomId] == eventId) {
+        var roomId = this.props.timelineSet.room.roomId;
+
+        if (TimelinePanel.roomReadMarkerMap[roomId] == eventId) {
             // don't update the state (and cause a re-render) if there is
             // no change to the RM.
             return;
@@ -885,11 +914,11 @@ var TimelinePanel = React.createClass({
 
         // ideally we'd sync these via the server, but for now just stash them
         // in a map.
-        TimelinePanel.roomReadMarkerMap[this.props.room.roomId] = eventId;
+        TimelinePanel.roomReadMarkerMap[roomId] = eventId;
 
         // in order to later figure out if the read marker is
         // above or below the visible timeline, we stash the timestamp.
-        TimelinePanel.roomReadMarkerTsMap[this.props.room.roomId] = eventTs;
+        TimelinePanel.roomReadMarkerTsMap[roomId] = eventTs;
 
         if (inhibitSetState) {
             return;
@@ -919,7 +948,7 @@ var TimelinePanel = React.createClass({
         // exist.
         if (this.state.timelineLoading) {
             return (
-                    <div className="mx_RoomView_messagePanel mx_RoomView_messageListWrapper">
+                    <div className={ this.props.className + " mx_RoomView_messageListWrapper" }>
                         <Loader />
                     </div>
             );
@@ -946,11 +975,14 @@ var TimelinePanel = React.createClass({
                     readMarkerVisible={ this.state.readMarkerVisible }
                     suppressFirstDateSeparator={ this.state.canBackPaginate }
                     showUrlPreview = { this.props.showUrlPreview }
+                    manageReadReceipts = { this.props.manageReadReceipts }
                     ourUserId={ MatrixClientPeg.get().credentials.userId }
                     stickyBottom={ stickyBottom }
                     onScroll={ this.onMessageListScroll }
                     onFillRequest={ this.onMessageListFillRequest }
                     opacity={ this.props.opacity }
+                    className={ this.props.className }
+                    tileShape={ this.props.tileShape }
             />
         );
     },

src/components/views/messages/MFileBody.js

@@ -57,6 +57,21 @@ module.exports = React.createClass({
         var TintableSvg = sdk.getComponent("elements.TintableSvg");
 
         if (httpUrl) {
+            if (this.props.tileShape === "file_grid") {
+                return (
+                    <span className="mx_MFileBody">
+                        <div className="mx_MImageBody_download">
+                            <a className="mx_ImageBody_downloadLink" href={cli.mxcUrlToHttp(content.url)} target="_blank" rel="noopener">
+                                { content.body && content.body.length > 0 ? content.body : "Attachment" }
+                            </a>
+                            <div className="mx_MImageBody_size">
+                                { content.info && content.info.size ? filesize(content.info.size) : "" }
+                            </div>
+                        </div>
+                    </span>
+                );
+            }
+            else {
                 return (
                     <span className="mx_MFileBody">
                         <div className="mx_MImageBody_download">
@@ -67,8 +82,9 @@ module.exports = React.createClass({
                         </div>
                     </span>
                 );
+            }
         } else {
-            var extra = text ? ': '+text : '';
+            var extra = text ? (': ' + text) : '';
             return <span className="mx_MFileBody">
                 Invalid file{extra}
             </span>

src/components/views/messages/MImageBody.js

@@ -123,6 +123,30 @@ module.exports = React.createClass({
         var content = this.props.mxEvent.getContent();
         var cli = MatrixClientPeg.get();
 
+        var download;
+        if (this.props.tileShape === "file_grid") {
+            download = (
+                <div className="mx_MImageBody_download">
+                    <a className="mx_MImageBody_downloadLink" href={cli.mxcUrlToHttp(content.url)} target="_blank" rel="noopener">
+                        {content.body}
+                    </a>
+                    <div className="mx_MImageBody_size">
+                        { content.info && content.info.size ? filesize(content.info.size) : "" }
+                    </div>
+                </div>
+            );
+        }
+        else {
+            download = (
+                <div className="mx_MImageBody_download">
+                    <a href={cli.mxcUrlToHttp(content.url)} target="_blank" rel="noopener">
+                        <TintableSvg src="img/download.svg" width="12" height="14"/>
+                        Download {content.body} ({ content.info && content.info.size ? filesize(content.info.size) : "Unknown size" })
+                    </a>
+                </div>
+            );
+        }
+
         var thumbUrl = this._getThumbUrl();
         if (thumbUrl) {
             return (
@@ -133,12 +157,7 @@ module.exports = React.createClass({
                             onMouseEnter={this.onImageEnter}
                             onMouseLeave={this.onImageLeave} />
                     </a>
-                    <div className="mx_MImageBody_download">
+                    { download }
-                        <a href={cli.mxcUrlToHttp(content.url)} target="_blank" rel="noopener">
-                            <TintableSvg src="img/download.svg" width="12" height="14"/>
-                            Download {content.body} ({ content.info && content.info.size ? filesize(content.info.size) : "Unknown size" })
-                        </a>
-                    </div>
                 </span>
             );
         } else if (content.body) {

src/components/views/messages/MVideoBody.js

@@ -69,12 +69,37 @@ module.exports = React.createClass({
             }
         }
 
+        var download;
+        if (this.props.tileShape === "file_grid") {
+            download = (
+                <div className="mx_MImageBody_download">
+                    <a className="mx_MImageBody_downloadLink" href={cli.mxcUrlToHttp(content.url)} target="_blank" rel="noopener">
+                        {content.body}
+                    </a>
+                    <div className="mx_MImageBody_size">
+                        { content.info && content.info.size ? filesize(content.info.size) : "" }
+                    </div>
+                </div>
+            );
+        }
+        else {
+            download = (
+                <div className="mx_MImageBody_download">
+                    <a href={cli.mxcUrlToHttp(content.url)} target="_blank" rel="noopener">
+                        <TintableSvg src="img/download.svg" width="12" height="14"/>
+                        Download {content.body} ({ content.info && content.info.size ? filesize(content.info.size) : "Unknown size" })
+                    </a>
+                </div>
+            );
+        }
+
         return (
             <span className="mx_MVideoBody">
                 <video className="mx_MVideoBody" src={cli.mxcUrlToHttp(content.url)} alt={content.body}
                     controls preload={preload} autoPlay={false}
                     height={height} width={width} poster={poster}>
                 </video>
+                { download }
             </span>
         );
     },

src/components/views/messages/MessageEvent.js

@@ -37,6 +37,9 @@ module.exports = React.createClass({
 
         /* callback called when dynamic content in events are loaded */
         onWidgetLoad: React.PropTypes.func,
+
+        /* the shsape of the tile, used */
+        tileShape: React.PropTypes.string,
     },
 
     getEventTileOps: function() {
@@ -69,6 +72,7 @@ module.exports = React.createClass({
         return <BodyType ref="body" mxEvent={this.props.mxEvent} highlights={this.props.highlights}
                     highlightLink={this.props.highlightLink}
                     showUrlPreview={this.props.showUrlPreview}
+                    tileShape={this.props.tileShape}
                     onWidgetLoad={this.props.onWidgetLoad} />;
     },
 });

src/components/views/rooms/AuxPanel.js

@@ -93,8 +93,9 @@ module.exports = React.createClass({
             }
             else {
                 joinText = (<span>
-                    Join as <a onClick={(event)=>{ this.onConferenceNotificationClick(event, 'voice')}} href="#">voice</a>&nbsp;
+                    Join as <a onClick={(event)=>{ this.onConferenceNotificationClick(event, 'voice')}} 
-                    or <a onClick={(event)=>{ this.onConferenceNotificationClick(event, 'video') }} href="#">video</a>.
+                               href="#">voice</a> or <a onClick={(event)=>{ this.onConferenceNotificationClick(event, 'video') }}
+                               href="#">video</a>.
                 </span>);
 
             }

src/components/views/rooms/EventTile.js

@@ -128,6 +128,15 @@ module.exports = React.createClass({
         /* the status of this event - ie, mxEvent.status. Denormalised to here so
          * that we can tell when it changes. */
         eventSendStatus: React.PropTypes.string,
+
+        /* the shape of the tile. by default, the layout is intended for the
+         * normal room timeline.  alternative values are: "file_list", "file_grid"
+         * and "notif".  This could be done by CSS, but it'd be horribly inefficient.
+         * It could also be done by subclassing EventTile, but that'd be quite
+         * boiilerplatey.  So just make the necessary render decisions conditional
+         * for now.
+         */
+        tileShape: React.PropTypes.string,
     },
 
     getInitialState: function() {
@@ -382,18 +391,16 @@ module.exports = React.createClass({
                 this.props.eventSendStatus
             ) !== -1,
             mx_EventTile_notSent: this.props.eventSendStatus == 'not_sent',
-            mx_EventTile_highlight: this.shouldHighlight(),
+            mx_EventTile_highlight: this.props.tileShape === 'notif' ? false : this.shouldHighlight(),
             mx_EventTile_selected: this.props.isSelectedEvent,
-            mx_EventTile_continuation: this.props.continuation,
+            mx_EventTile_continuation: this.props.tileShape ? '' : this.props.continuation,
             mx_EventTile_last: this.props.last,
             mx_EventTile_contextual: this.props.contextual,
             menu: this.state.menu,
             mx_EventTile_verified: this.state.verified == true,
             mx_EventTile_unverified: this.state.verified == false,
         });
-        var timestamp = <a href={ "#/room/" + this.props.mxEvent.getRoomId() +"/"+ this.props.mxEvent.getId() }>
+        var permalink = "#/room/" + this.props.mxEvent.getRoomId() +"/"+ this.props.mxEvent.getId();
-                            <MessageTimestamp ts={this.props.mxEvent.getTs()} />
-                        </a>
 
         var readAvatars = this.getReadAvatars();
 
@@ -401,7 +408,10 @@ module.exports = React.createClass({
         let avatarSize;
         let needsSenderProfile;
 
-        if (isInfoMessage) {
+        if (this.props.tileShape === "notif") {
+            avatarSize = 24;
+            needsSenderProfile = true;
+        } else if (isInfoMessage) {
             // a small avatar, with no sender profile, for emotes and
             // joins/parts/etc
             avatarSize = 14;
@@ -428,17 +438,72 @@ module.exports = React.createClass({
 
         if (needsSenderProfile) {
             let aux = null;
+            if (!this.props.tileShape) {
                 if (msgtype === 'm.image') aux = "sent an image";
                 else if (msgtype === 'm.video') aux = "sent a video";
                 else if (msgtype === 'm.file') aux = "uploaded a file";
-
                 sender = <SenderProfile onClick={ this.onSenderProfileClick } mxEvent={this.props.mxEvent} aux={aux} />;
             }
+            else {
+                sender = <SenderProfile mxEvent={this.props.mxEvent} />;
+            }
+
+        }
 
         var editButton = (
             <img className="mx_EventTile_editButton" src="img/icon_context_message.svg" width="19" height="19" alt="Options" title="Options" onClick={this.onEditClicked} />
         );
 
+        if (this.props.tileShape === "notif") {
+            var room = MatrixClientPeg.get().getRoom(this.props.mxEvent.getRoomId());
+
+            return (
+                <div className={classes}>
+                    <div className="mx_EventTile_roomName">
+                        <a href={ permalink }>
+                            { room.name }
+                        </a>
+                    </div>
+                    <div className="mx_EventTile_senderDetails">
+                        { avatar }
+                        <a href={ permalink }>
+                            { sender }
+                            <MessageTimestamp ts={this.props.mxEvent.getTs()} />
+                        </a>
+                    </div>
+                    <div className="mx_EventTile_line" >
+                        <EventTileType ref="tile"
+                            mxEvent={this.props.mxEvent}
+                            highlights={this.props.highlights}
+                            highlightLink={this.props.highlightLink}
+                            showUrlPreview={this.props.showUrlPreview}
+                            onWidgetLoad={this.props.onWidgetLoad} />
+                    </div>
+                </div>
+            );
+        }
+        else if (this.props.tileShape === "file_grid") {
+            return (
+                <div className={classes}>
+                    <div className="mx_EventTile_line" >
+                        <EventTileType ref="tile"
+                            mxEvent={this.props.mxEvent}
+                            highlights={this.props.highlights}
+                            highlightLink={this.props.highlightLink}
+                            showUrlPreview={this.props.showUrlPreview}
+                            tileShape={this.props.tileShape}
+                            onWidgetLoad={this.props.onWidgetLoad} />
+                    </div>
+                    <a className="mx_EventTile_senderDetailsLink" href={ permalink }>
+                        <div className="mx_EventTile_senderDetails">
+                                { sender }
+                                <MessageTimestamp ts={this.props.mxEvent.getTs()} />
+                        </div>
+                    </a>
+                </div>
+            );
+        }
+        else {
             return (
                 <div className={classes}>
                     <div className="mx_EventTile_msgOption">
@@ -447,7 +512,9 @@ module.exports = React.createClass({
                     { avatar }
                     { sender }
                     <div className="mx_EventTile_line">
-                    { timestamp }
+                        <a href={ permalink }>
+                            <MessageTimestamp ts={this.props.mxEvent.getTs()} />
+                        </a>
                         <EventTileType ref="tile"
                             mxEvent={this.props.mxEvent}
                             highlights={this.props.highlights}
@@ -458,5 +525,6 @@ module.exports = React.createClass({
                     </div>
                 </div>
             );
+        }
     },
 });

src/components/views/rooms/MessageComposer.js

@@ -78,7 +78,7 @@ export default class MessageComposer extends React.Component {
 
         let fileList = [];
         for (let i=0; i<files.length; i++) {
-            fileList.push(<li>
+            fileList.push(<li key={i}>
                 <TintableSvg key={i} src="img/files.svg" width="16" height="16" /> {files[i].name}
             </li>);
         }

src/components/views/rooms/RoomList.js

@@ -147,8 +147,10 @@ module.exports = React.createClass({
         this._updateStickyHeaders(true, scrollToPosition);
     },
 
-    onRoomTimeline: function(ev, room, toStartOfTimeline) {
+    onRoomTimeline: function(ev, room, toStartOfTimeline, removed, data) {
         if (toStartOfTimeline) return;
+        if (!room) return;
+        if (data.timeline.getTimelineSet() !== room.getUnfilteredTimelineSet()) return;
         this._delayedRefreshRoomList();
     },
 

src/components/views/rooms/RoomTile.js

@@ -106,14 +106,16 @@ module.exports = React.createClass({
 
     onMouseEnter: function() {
         this.setState( { hover : true });
+        this.badgeOnMouseEnter();
     },
 
     onMouseLeave: function() {
         this.setState( { hover : false });
+        this.badgeOnMouseLeave();
     },
 
     badgeOnMouseEnter: function() {
-        // Only allow none guests to access the context menu
+        // Only allow non-guests to access the context menu
         // and only change it if it needs to change
         if (!MatrixClientPeg.get().isGuest() && !this.state.badgeHover) {
             this.setState( { badgeHover : true } );
@@ -241,7 +243,7 @@ module.exports = React.createClass({
             badgeContent = '\u200B';
         }
 
-        badge = <div className={ badgeClasses } onClick={this.onBadgeClicked} onMouseEnter={this.badgeOnMouseEnter} onMouseLeave={this.badgeOnMouseLeave}>{ badgeContent }</div>;
+        badge = <div className={ badgeClasses } onClick={this.onBadgeClicked}>{ badgeContent }</div>;
 
         const EmojiText = sdk.getComponent('elements.EmojiText');
         var label;

test/components/structures/TimelinePanel-test.js

@@ -35,6 +35,7 @@ var USER_ID = '@me:localhost';
 
 describe('TimelinePanel', function() {
     var sandbox;
+    var timelineSet;
     var room;
     var client;
     var timeline;
@@ -58,10 +59,16 @@ describe('TimelinePanel', function() {
         test_utils.beforeEach(this);
         sandbox = test_utils.stubClient(sandbox);
 
-        timeline = new jssdk.EventTimeline(ROOM_ID);
         room = sinon.createStubInstance(jssdk.Room);
-        room.getLiveTimeline.returns(timeline);
+        room.roomId = ROOM_ID;
-        room.getPendingEvents.returns([]);
+
+        timelineSet = sinon.createStubInstance(jssdk.EventTimelineSet);
+        timelineSet.getPendingEvents.returns([]);
+        timelineSet.room = room;
+
+        timeline = new jssdk.EventTimeline(timelineSet);
+
+        timelineSet.getLiveTimeline.returns(timeline);
 
         client = peg.get();
         client.credentials = {userId: USER_ID};
@@ -95,7 +102,7 @@ describe('TimelinePanel', function() {
 
         var scrollDefer;
         var panel = ReactDOM.render(
-                <TimelinePanel room={room} onScroll={() => {scrollDefer.resolve()}}
+                <TimelinePanel timelineSet={timelineSet} onScroll={() => {scrollDefer.resolve()}}
                 />,
                 parentDiv,
         );
@@ -143,7 +150,10 @@ describe('TimelinePanel', function() {
             // a new event!
             var ev = mkMessage();
             timeline.addEvent(ev);
-            panel.onRoomTimeline(ev, room, false, false, {liveEvent: true});
+            panel.onRoomTimeline(ev, room, false, false, {
+                liveEvent: true,
+                timeline: timeline,
+            });
 
             // that won't make much difference, because we don't paginate
             // unless we're at the bottom of the timeline, but a scroll event
@@ -178,7 +188,7 @@ describe('TimelinePanel', function() {
         });
 
         var panel = ReactDOM.render(
-            <TimelinePanel room={room}/>,
+            <TimelinePanel timelineSet={timelineSet}/>,
             parentDiv
         );
 
@@ -226,7 +236,7 @@ describe('TimelinePanel', function() {
 
         var scrollDefer;
         var panel = ReactDOM.render(
-            <TimelinePanel room={room} onScroll={() => {scrollDefer.resolve()}}
+            <TimelinePanel timelineSet={timelineSet} onScroll={() => {scrollDefer.resolve()}}
                 timelineCap={TIMELINE_CAP}
             />,
             parentDiv