Factor out a separate auxpanel, and cleanup the maxHeight management

Basically two changes here:

1. Factor out auxpanel from RoomView
2. Rather than setting maxHeight attributes by poking directly into the DOM,
pass them down as properties.

src/component-index.js

@@ -70,6 +70,7 @@ module.exports.components['views.messages.TextualEvent'] = require('./components
 module.exports.components['views.messages.UnknownBody'] = require('./components/views/messages/UnknownBody');
 module.exports.components['views.room_settings.AliasSettings'] = require('./components/views/room_settings/AliasSettings');
 module.exports.components['views.room_settings.ColorSettings'] = require('./components/views/room_settings/ColorSettings');
+module.exports.components['views.rooms.AuxPanel'] = require('./components/views/rooms/AuxPanel');
 module.exports.components['views.rooms.EntityTile'] = require('./components/views/rooms/EntityTile');
 module.exports.components['views.rooms.EventTile'] = require('./components/views/rooms/EventTile');
 module.exports.components['views.rooms.InviteMemberList'] = require('./components/views/rooms/InviteMemberList');

src/components/structures/RoomView.js

@@ -15,7 +15,6 @@ limitations under the License.
 */
 
 // TODO: This component is enormous! There's several things which could stand-alone:
-//  - Aux component
 //  - Search results component
 //  - Drag and drop
 //  - File uploading - uploadFile()
@@ -106,6 +105,8 @@ module.exports = React.createClass({
             // the end of the live timeline. It has the effect of hiding the
             // 'scroll to bottom' knob, among a couple of other things.
             atEndOfLiveTimeline: true,
+
+            auxPanelMaxHeight: undefined,
         }
     },
 
@@ -1294,14 +1295,6 @@ module.exports = React.createClass({
         });
     },
 
-    onConferenceNotificationClick: function() {
-        dis.dispatch({
-            action: 'place_call',
-            type: "video",
-            room_id: this.props.roomId
-        });
-    },
-
     // jump down to the bottom of this room, where new events are arriving
     jumpToLiveTimeline: function() {
         // if we can't forward-paginate the existing timeline, then there
@@ -1386,25 +1379,10 @@ module.exports = React.createClass({
         // but it's better than the video going missing entirely
         if (auxPanelMaxHeight < 50) auxPanelMaxHeight = 50;
 
-        if (this.refs.callView) {
-            var fullscreenElement =
-                (document.fullscreenElement ||
-                 document.mozFullScreenElement ||
-                 document.webkitFullscreenElement);
-            if (!fullscreenElement) {
-                var video = this.refs.callView.getVideoView().getRemoteVideoElement();
-                video.style.maxHeight = auxPanelMaxHeight + "px";
-            }
-        }
-
-        // we need to do this for general auxPanels too
-        if (this.refs.auxPanel) {
-            this.refs.auxPanel.style.maxHeight = auxPanelMaxHeight + "px";
-        }
-
-        // the above might have made the aux panel resize itself, so now
-        // we need to tell the gemini panel to adapt.
-        this.onChildResize();
+        // we may need to resize the gemini panel after changing the aux panel
+        // size, so add a callback to onChildResize.
+        this.setState({auxPanelMaxHeight: auxPanelMaxHeight},
+                      this.onChildResize);
     },
 
     onFullscreenClick: function() {
@@ -1438,11 +1416,6 @@ module.exports = React.createClass({
         });
     },
 
-    onCallViewResize: function() {
-        this.onChildResize();
-        this.onResize();
-    },
-
     onChildResize: function() {
         // When the video or the message composer resizes, the scroll panel
         // also changes size.  Work around GeminiScrollBar fail by telling it
@@ -1464,8 +1437,8 @@ module.exports = React.createClass({
     render: function() {
         var RoomHeader = sdk.getComponent('rooms.RoomHeader');
         var MessageComposer = sdk.getComponent('rooms.MessageComposer');
-        var CallView = sdk.getComponent("voip.CallView");
         var RoomSettings = sdk.getComponent("rooms.RoomSettings");
+        var AuxPanel = sdk.getComponent("rooms.AuxPanel");
         var SearchBar = sdk.getComponent("rooms.SearchBar");
         var ScrollPanel = sdk.getComponent("structures.ScrollPanel");
         var TintableSvg = sdk.getComponent("elements.TintableSvg");
@@ -1607,28 +1580,16 @@ module.exports = React.createClass({
             );
         }
 
-        var conferenceCallNotification = null;
-        if (this.state.displayConfCallNotification) {
-            var supportedText;
-            if (!MatrixClientPeg.get().supportsVoip()) {
-                supportedText = " (unsupported)";
-            }
-            conferenceCallNotification = (
-                <div className="mx_RoomView_ongoingConfCallNotification" onClick={this.onConferenceNotificationClick}>
-                    Ongoing conference call {supportedText}
-                </div>
+        var auxPanel = (
+            <AuxPanel ref="auxPanel" room={this.state.room}
+              conferenceHandler={this.props.ConferenceHandler}
+              draggingFile={this.state.draggingFile}
+              displayConfCallNotification={this.state.displayConfCallNotification}
+              maxHeight={this.state.auxPanelMaxHeight}
+              onCallViewVideoRezize={this.onChildResize} >
+                { aux }
+            </AuxPanel>
         );
-        }
-
-        var fileDropTarget = null;
-        if (this.state.draggingFile) {
-            fileDropTarget = <div className="mx_RoomView_fileDropTarget">
-                                <div className="mx_RoomView_fileDropTargetLabel" title="Drop File Here">
-                                    <TintableSvg src="img/upload-big.svg" width="45" height="59"/><br/>
-                                    Drop file here to upload
-                                </div>
-                             </div>;
-        }
 
         var messageComposer, searchInfo;
         var canSpeak = (
@@ -1759,13 +1720,7 @@ module.exports = React.createClass({
                     onLeaveClick={
                         (myMember && myMember.membership === "join") ? this.onLeaveClick : null
                     } />
-                <div className="mx_RoomView_auxPanel" ref="auxPanel">
-                    { fileDropTarget }    
-                    <CallView ref="callView" room={this.state.room} ConferenceHandler={this.props.ConferenceHandler}
-                        onResize={this.onCallViewResize} />
-                    { conferenceCallNotification }
-                    { aux }
-                </div>
+                { auxPanel }
                 { messagePanel }
                 { searchResultsPanel }
                 <div className="mx_RoomView_statusArea">

src/components/views/rooms/AuxPanel.js

@@ -0,0 +1,104 @@
+/*
+Copyright 2015, 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 MatrixClientPeg = require("../../../MatrixClientPeg");
+var sdk = require('../../../index');
+var dis = require("../../../dispatcher");
+
+module.exports = React.createClass({
+    displayName: 'AuxPanel',
+
+    propTypes: {
+        // js-sdk room object
+        room: React.PropTypes.object.isRequired,
+
+        // Conference Handler implementation
+        conferenceHandler: React.PropTypes.object,
+
+        // set to true to show the file drop target
+        draggingFile: React.PropTypes.bool,
+
+        // set to true to show the 'active conf call' banner
+        displayConfCallNotification: React.PropTypes.bool,
+
+        // maxHeight attribute for the aux panel and the video
+        // therein
+        maxHeight: React.PropTypes.number,
+
+        // a callback which is called when the video element in a voip call is
+        // resized due to a change in video metadata
+        onCallViewVideoResize: React.PropTypes.func,
+    },
+
+    onConferenceNotificationClick: function() {
+        dis.dispatch({
+            action: 'place_call',
+            type: "video",
+            room_id: this.props.room.roomId,
+        });
+    },
+
+    render: function() {
+        var CallView = sdk.getComponent("voip.CallView");
+        var TintableSvg = sdk.getComponent("elements.TintableSvg");
+
+        var fileDropTarget = null;
+        if (this.props.draggingFile) {
+            fileDropTarget = (
+                <div className="mx_RoomView_fileDropTarget">
+                    <div className="mx_RoomView_fileDropTargetLabel"
+                      title="Drop File Here">
+                        <TintableSvg src="img/upload-big.svg" width="45" height="59"/>
+                        <br/>
+                        Drop file here to upload
+                    </div>
+                </div>
+            );
+        }
+
+        var conferenceCallNotification = null;
+        if (this.props.displayConfCallNotification) {
+            var supportedText;
+            if (!MatrixClientPeg.get().supportsVoip()) {
+                supportedText = " (unsupported)";
+            }
+            conferenceCallNotification = (
+                <div className="mx_RoomView_ongoingConfCallNotification"
+                        onClick={this.onConferenceNotificationClick}>
+                    Ongoing conference call {supportedText}
+                </div>
+            );
+        }
+
+        var callView = (
+            <CallView ref="callView" room={this.props.room}
+                ConferenceHandler={this.props.conferenceHandler}
+                onResize={this.props.onCallViewVideoResize}
+                maxVideoHeight={this.props.maxHeight}
+            />
+        );
+
+        return (
+            <div className="mx_RoomView_auxPanel" style={{maxHeight: this.props.maxHeight}} >
+                { fileDropTarget }
+                { callView }
+                { conferenceCallNotification }
+                { this.props.children }
+            </div>
+        );
+    },
+});

src/components/views/voip/CallView.js

@@ -19,38 +19,32 @@ var CallHandler = require("../../../CallHandler");
 var sdk = require('../../../index');
 var MatrixClientPeg = require("../../../MatrixClientPeg");
 
-/*
- * State vars:
- * this.state.call = MatrixCall|null
- *
- * Props:
- * this.props.room = Room (JS SDK)
- * this.props.ConferenceHandler = A Conference Handler implementation
- *                                Must have a function signature:
- *                                getConferenceCallForRoom(roomId: string): MatrixCall
- */
-
 module.exports = React.createClass({
     displayName: 'CallView',
 
     propTypes: {
-        // a callback which is called when the video within the callview
-        // due to a change in video metadata
+        // js-sdk room object
+        room: React.PropTypes.object.isRequired,
+
+        // A Conference Handler implementation
+        // Must have a function signature:
+        //  getConferenceCallForRoom(roomId: string): MatrixCall
+        ConferenceHandler: React.PropTypes.object,
+
+        // maxHeight style attribute for the video panel
+        maxVideoHeight: React.PropTypes.number,
+
+        // a callback which is called when the user clicks on the video div
+        onClick: React.PropTypes.func,
+
+        // a callback which is called when the video within the callview is
+        // resized due to a change in video metadata
         onResize: React.PropTypes.func,
     },
 
     componentDidMount: function() {
         this.dispatcherRef = dis.register(this.onAction);
-        if (this.props.room) {
         this.showCall(this.props.room.roomId);
-        }
-        else {
-            // XXX: why would we ever not have a this.props.room?
-            var call = CallHandler.getAnyActiveCall();
-            if (call) {
-                this.showCall(call.roomId);
-            }
-        }
     },
 
     componentWillUnmount: function() {
@@ -103,7 +97,10 @@ module.exports = React.createClass({
     render: function(){
         var VideoView = sdk.getComponent('voip.VideoView');
         return (
-            <VideoView ref="video" onClick={ this.props.onClick } onResize={ this.props.onResize }/>
+            <VideoView ref="video" onClick={ this.props.onClick }
+                onResize={ this.props.onResize }
+                maxHeight={ this.props.maxVideoHeight }
+            />
         );
     }
 });

src/components/views/voip/VideoFeed.js

@@ -22,6 +22,9 @@ module.exports = React.createClass({
     displayName: 'VideoFeed',
 
     propTypes: {
+        // maxHeight style attribute for the video element
+        maxHeight: React.PropTypes.number,
+
         // a callback which is called when the video element is resized
         // due to a change in video metadata
         onResize: React.PropTypes.func,
@@ -43,7 +46,7 @@ module.exports = React.createClass({
 
     render: function() {
         return (
-            <video ref="vid">
+            <video ref="vid" style={{maxHeight: this.props.maxHeight}}>
             </video>
         );
     },

src/components/views/voip/VideoView.js

@@ -25,6 +25,18 @@ var dis = require('../../../dispatcher');
 module.exports = React.createClass({
     displayName: 'VideoView',
 
+    propTypes: {
+        // maxHeight style attribute for the video element
+        maxHeight: React.PropTypes.number,
+
+        // a callback which is called when the user clicks on the video div
+        onClick: React.PropTypes.func,
+
+        // a callback which is called when the video element is resized due to
+        // a change in video metadata
+        onResize: React.PropTypes.func,
+    },
+
     componentDidMount: function() {
         this.dispatcherRef = dis.register(this.onAction);
     },
@@ -64,7 +76,6 @@ module.exports = React.createClass({
                         element.msRequestFullscreen
                     );
                     requestMethod.call(element);
-                    this.getRemoteVideoElement().style.maxHeight = "inherit";
                 }
                 else {
                     var exitMethod = (
@@ -83,10 +94,18 @@ module.exports = React.createClass({
 
     render: function() {
         var VideoFeed = sdk.getComponent('voip.VideoFeed');
+
+        // if we're fullscreen, we don't want to set a maxHeight on the video element.
+        var fullscreenElement = (document.fullscreenElement ||
+                 document.mozFullScreenElement ||
+                 document.webkitFullscreenElement);
+        var maxVideoHeight = fullscreenElement ? null : this.props.maxHeight;
+
         return (
             <div className="mx_VideoView" ref={this.setContainer} onClick={ this.props.onClick }>
                 <div className="mx_VideoView_remoteVideoFeed">
-                    <VideoFeed ref="remote" onResize={this.props.onResize}/>
+                    <VideoFeed ref="remote" onResize={this.props.onResize}
+                        maxHeight={maxVideoHeight} />
                     <audio ref="remoteAudio"/>
                 </div>
                 <div className="mx_VideoView_localVideoFeed">