From 4f132c418f3903a9b434f0a184703513258e7746 Mon Sep 17 00:00:00 2001
From: Kegan Dougal <kegan@matrix.org>
Date: Wed, 15 Jul 2015 17:48:26 +0100
Subject: [PATCH] Fix a couple state bugs.

---
 src/CallHandler.js                      |  7 +++-
 src/controllers/molecules/RoomHeader.js | 52 +++++++++++++++----------
 2 files changed, 38 insertions(+), 21 deletions(-)

diff --git a/src/CallHandler.js b/src/CallHandler.js
index ce6d8906..5fefa7cf 100644
--- a/src/CallHandler.js
+++ b/src/CallHandler.js
@@ -19,7 +19,7 @@ limitations under the License.
 /*
  * Manages a list of all the currently active calls.
  *
- * This handler dispatches when voip calls are added/removed from this list:
+ * This handler dispatches when voip calls are added/updated/removed from this list:
  * {
  *   action: 'call_state'
  *   room_id: <room ID of the call>
@@ -33,6 +33,8 @@ limitations under the License.
  * {
  *   action: 'place_call',
  *   type: 'voice|video',
+ *   remote_element: DOMVideoElement, // only if type: video
+ *   local_element: DOMVideoElement,  // only if type: video
  *   room_id: <room that the place call button was pressed in>
  * }
  *
@@ -48,6 +50,8 @@ limitations under the License.
  *
  * {
  *   action: 'answer'
+ *   remote_element: DOMVideoElement, // only if type: video
+ *   local_element: DOMVideoElement,  // only if type: video
  *   room_id: <room that the answer button was pressed in>
  * }
  */
@@ -128,6 +132,7 @@ dis.register(function(payload) {
                 return; // no call to answer
             }
             calls[payload.room_id].answer();
+            _setCallState(calls[payload.room_id], payload.room_id);
             break;
     }
 });
diff --git a/src/controllers/molecules/RoomHeader.js b/src/controllers/molecules/RoomHeader.js
index dde8cf4e..b66d1ff9 100644
--- a/src/controllers/molecules/RoomHeader.js
+++ b/src/controllers/molecules/RoomHeader.js
@@ -25,29 +25,15 @@ var dis = require("../../dispatcher");
 var CallHandler = require("../../CallHandler");
 
 module.exports = {
-    componentDidMount: function() {
-        this.dispatcherRef = dis.register(this.onAction);
-        this.setState({
-            callState: "NO_CALL"
-        });
-    },
-
-    componentWillUnmount: function() {
-        dis.unregister(this.dispatcherRef);
-    },
-
-    onAction: function(payload) {
-        // if we were given a room_id to track, don't handle anything else.
-        if (payload.room_id && this.props.room && 
-                this.props.room.roomId !== payload.room_id) {
+    _setCallState: function(call) {
+        if (!call) {
+            this.setState({
+                callState: "NO_CALL"
+            });
             return;
         }
-        if (payload.action !== 'call_state') {
-            return;
-        }
-        var call = CallHandler.getCall(payload.room_id);
         var callState = 'NO_CALL';
-        if (call && call.state !== 'ended') {
+        if (call.state !== 'ended') {
             if (call.state === 'connected') {
                 callState = "IN_CALL";
             }
@@ -66,6 +52,32 @@ module.exports = {
         });
     },
 
+    componentDidMount: function() {
+        this.dispatcherRef = dis.register(this.onAction);
+        var call;
+        if (this.props.room) {
+            call = CallHandler.getCall(this.props.room.roomId);
+        }
+        this._setCallState(call);
+    },
+
+    componentWillUnmount: function() {
+        dis.unregister(this.dispatcherRef);
+    },
+
+    onAction: function(payload) {
+        // if we were given a room_id to track, don't handle anything else.
+        if (payload.room_id && this.props.room && 
+                this.props.room.roomId !== payload.room_id) {
+            return;
+        }
+        if (payload.action !== 'call_state') {
+            return;
+        }
+        var call = CallHandler.getCall(payload.room_id);
+        this._setCallState(call);
+    },
+
     onVideoClick: function() {
         dis.dispatch({
             action: 'place_call',