Wire up the "room" CallView for conferencing

This also separates out concerns better - UI elements just need to poke
getCallForRoom rather than care if the thing they are displaying is a
true 1:1 for this room ID or actually a conf room.

skins/base/views/pages/MatrixChat.js

@@ -80,7 +80,8 @@ module.exports = React.createClass({
             // active call, show the call element - we need to do this to make
             // audio/video not crap out
             if (this.state.active_call && (
-                    !this.state.currentRoom || !CallHandler.getCall(this.state.currentRoom))) {
+                    !this.state.currentRoom ||
+                    !CallHandler.getCallForRoom(this.state.currentRoom))) {
                 console.log(
                     "Creating global CallView for active call in room %s",
                     this.state.active_call.roomId

src/CallHandler.js

@@ -58,6 +58,7 @@ var Modal = require("./Modal");
 var ComponentBroker = require('./ComponentBroker');
 var ErrorDialog = ComponentBroker.get("organisms/ErrorDialog");
 var ConferenceCall = require("./ConferenceHandler").ConferenceCall;
+var ConferenceHandler = require("./ConferenceHandler");
 var Matrix = require("matrix-js-sdk");
 var dis = require("./dispatcher");
 
@@ -241,10 +242,32 @@ dis.register(function(payload) {
 });
 
 module.exports = {
+
+    getCallForRoom: function(roomId) {
+        return (
+            module.exports.getCall(roomId) ||
+            module.exports.getConferenceCall(roomId)
+        );
+    },
+
     getCall: function(roomId) {
         return calls[roomId] || null;
     },
 
+    getConferenceCall: function(roomId) {
+        // search for a conference 1:1 call for this group chat room ID
+        var activeCall = module.exports.getAnyActiveCall();
+        if (activeCall && activeCall.confUserId) {
+            var thisRoomConfUserId = ConferenceHandler.getConferenceUserIdForRoom(
+                roomId
+            );
+            if (thisRoomConfUserId === activeCall.confUserId) {
+                return activeCall;
+            }
+        }
+        return null;
+    },
+
     getAnyActiveCall: function() {
         var roomsWithCalls = Object.keys(calls);
         for (var i = 0; i < roomsWithCalls.length; i++) {

src/controllers/molecules/RoomHeader.js

@@ -27,7 +27,6 @@ limitations under the License.
 var React = require('react');
 var dis = require("../../dispatcher");
 var CallHandler = require("../../CallHandler");
-var ConferenceHandler = require("../../ConferenceHandler");
 
 module.exports = {
     propTypes: {
@@ -48,7 +47,7 @@ module.exports = {
     componentDidMount: function() {
         this.dispatcherRef = dis.register(this.onAction);
         if (this.props.room) {
-            var call = this._getCall(this.props.room.roomId);
+            var call = CallHandler.getCallForRoom(this.props.room.roomId);
             var callState = call ? call.call_state : "ended";
             this.setState({
                 call_state: callState
@@ -66,7 +65,7 @@ module.exports = {
         if (payload.action !== 'call_state' || !payload.room_id) {
             return;
         }
-        var call = this._getCall(payload.room_id);
+        var call = CallHandler.getCallForRoom(payload.room_id);
         var callState = call ? call.call_state : "ended";
         this.setState({
             call_state: callState
@@ -88,7 +87,7 @@ module.exports = {
         });
     },
     onHangupClick: function() {
-        var call = this._getCall(this.props.room.roomId);
+        var call = CallHandler.getCallForRoom(this.props.room.roomId);
         if (!call) { return; }
         dis.dispatch({
             action: 'hangup',
@@ -96,22 +95,5 @@ module.exports = {
             // (e.g. conferences which will hangup the 1:1 room instead)
             room_id: call.roomId
         });
-    },
-
-    _getCall: function(roomId) {
-        var call = CallHandler.getCall(roomId);
-        if (!call) {
-            // search for a conference 1:1 call
-            var activeCall = CallHandler.getAnyActiveCall();
-            if (activeCall && activeCall.confUserId) {
-                var thisRoomConfUserId = ConferenceHandler.getConferenceUserIdForRoom(
-                    roomId
-                );
-                if (thisRoomConfUserId === activeCall.confUserId) {
-                    call = activeCall;
-                }
-            }
-        }
-        return call;
     }
 };

src/controllers/molecules/voip/CallView.js

@@ -57,19 +57,16 @@ module.exports = {
     },
 
     onAction: function(payload) {
-        // if we were given a room_id to track, don't handle anything else.
-        if (payload.room_id && this._trackedRoom &&
-                this._trackedRoom.roomId !== payload.room_id) {
-            return;
-        }
-        if (payload.action !== 'call_state') {
+        // don't filter out payloads for room IDs other than props.room because
+        // we may be interested in the conf 1:1 room
+        if (payload.action !== 'call_state' || !payload.room_id) {
             return;
         }
         this.showCall(payload.room_id);
     },
 
     showCall: function(roomId) {
-        var call = CallHandler.getCall(roomId);
+        var call = CallHandler.getCallForRoom(roomId);
         if (call) {
             call.setLocalVideoElement(this.getVideoView().getLocalVideoElement());
             // N.B. the remote video element is used for playback for audio for voice calls