consolidate call onPageUnload handler into RoomView

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

src/components/structures/RoomStatusBar.js

@@ -100,10 +100,6 @@ module.exports = React.createClass({
         this._checkSize();
     },
 
-    componentDidMount: function() {
-        window.addEventListener('beforeunload', this.onPageUnload);
-    },
-
     componentDidUpdate: function() {
         this._checkSize();
     },
@@ -115,7 +111,6 @@ module.exports = React.createClass({
             client.removeListener("sync", this.onSyncStateChange);
             client.removeListener("RoomMember.typing", this.onRoomMemberTyping);
         }
-        window.removeEventListener('beforeunload', this.onPageUnload);
     },
 
     onSyncStateChange: function(state, prevState) {
@@ -133,13 +128,6 @@ module.exports = React.createClass({
         });
     },
 
-    onPageUnload(event) {
-        if (this.props.hasActiveCall) {
-            return event.returnValue =
-                'You seem to be in a call, are you sure you want to quit?';
-        }
-    },
-
     // Check whether current size is greater than 0, if yes call props.onVisible
     _checkSize: function () {
         if (this.props.onVisible && this._getSize()) {

src/components/structures/RoomView.js

@@ -371,6 +371,9 @@ module.exports = React.createClass({
         if (ContentMessages.getCurrentUploads().length > 0) {
             return event.returnValue =
                 'You seem to be uploading files, are you sure you want to quit?';
+        } else if (this._getCallForRoom() && this.state.callState !== 'ended') {
+            return event.returnValue =
+                'You seem to be in a call, are you sure you want to quit?';
         }
     },