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fixing the problem that was preventing the client to load the default layouts in the beginning of the session; the combo was only populated if the layouts were loaded BEFORE the layout combo get created - now it works independently of the order that the elements get initialized

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This commit is contained in:
Felipe Cecagno 2013-04-26 17:43:22 -03:00
parent 00a0d1e8a1
commit 1f3f6e927f
1 changed files with 26 additions and 13 deletions
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31
bigbluebutton-client/src/org/bigbluebutton/modules/layout/managers/LayoutManager.as
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@ -61,6 +61,7 @@ package org.bigbluebutton.modules.layout.managers
private var _applyCurrentLayoutTimer:Timer = new Timer(150,1);
private var _customLayoutsCount:int = 0;
private var _serverLayoutsLoaded:Boolean = false;
private var _comboLayoutCreated:Boolean = false;
private var _eventsToDelay:Array = new Array(MDIManagerEvent.WINDOW_RESTORE,
MDIManagerEvent.WINDOW_MINIMIZE,
MDIManagerEvent.WINDOW_MAXIMIZE);
@ -75,13 +76,25 @@ package org.bigbluebutton.modules.layout.managers
});
}
/**
* There's a race condition when the layouts combo doesn't get populated
* with the server's layouts definition. The problem is that sometimes
* the layouts is loaded before the combo get created, and sometimes the
* combo is created first. We use two booleans to sync it and only dispatch
* the layouts to populate the list when both are created.
*/
public function loadServerLayouts(layoutUrl:String):void {
LogUtil.debug("LayoutManager: loading server layouts from " + layoutUrl);
var loader:LayoutLoader = new LayoutLoader();
loader.addEventListener(LayoutsLoadedEvent.LAYOUTS_LOADED_EVENT, function(e:LayoutsLoadedEvent):void {
if (e.success) {
_layouts = e.layouts;
if (_comboLayoutCreated) {
broadcastLayouts();
}
_serverLayoutsLoaded = true;
LogUtil.debug("LayoutManager: layouts loaded successfully");
} else {
LogUtil.error("LayoutManager: layouts not loaded (" + e.error.message + ")");
@ -92,12 +105,17 @@ package org.bigbluebutton.modules.layout.managers
public function onComboLayoutCreated():void {
if (_serverLayoutsLoaded) {
var layoutsLoaded:LayoutsLoadedEvent = new LayoutsLoadedEvent();
layoutsLoaded.layouts = _layouts;
_globalDispatcher.dispatchEvent(layoutsLoaded);
broadcastLayouts();
}
_comboLayoutCreated = true;
}
private function broadcastLayouts():void {
var layoutsLoaded:LayoutsLoadedEvent = new LayoutsLoadedEvent();
layoutsLoaded.layouts = _layouts;
_globalDispatcher.dispatchEvent(layoutsLoaded);
}
public function saveLayoutsToFile():void {
var _fileRef:FileReference = new FileReference();
_fileRef.addEventListener(Event.COMPLETE, function(e:Event):void {
@ -112,12 +130,7 @@ package org.bigbluebutton.modules.layout.managers
if (e.success) {
_layouts = e.layouts;
/*
* \TODO why do I need to create a new Event for this?
*/
var layoutsLoaded:LayoutsLoadedEvent = new LayoutsLoadedEvent();
layoutsLoaded.layouts = _layouts;
_globalDispatcher.dispatchEvent(layoutsLoaded);
broadcastLayouts();
/*
* it will update the ComboBox label, and will go back to this class