Merge pull request #17 from blackberry-webworks/next-SplashScreenFlic…

…kerFix

Add the work around to hide the white flicker after splash screen

Fixes blackberry#12

framework/src/WebWorksAppTemplate.as

@@ -42,6 +42,8 @@ package
 	import webworks.service.ServiceManager;
 	import webworks.webkit.WebkitControl;
 	import webworks.webkit.WebkitEvent;
+
+	import flash.events.TimerEvent;
 
 	[SWF(width="1024", height="600", frameRate="30", backgroundColor="#000000")]
 	public class WebWorksAppTemplate extends Sprite
@@ -58,6 +60,8 @@ package
  		private var _broker:FunctionBroker;
 		private var _serviceManager:ServiceManager;
 
+		private var _loadingScreenTimer:Timer;
+
 		public function WebWorksAppTemplate() 
         {			
 			if (stage) {
@@ -112,6 +116,7 @@ package
 			_transitions = new Transitions(_loadingScreen, _webWindow.viewPort);
 			_serviceManager = new ServiceManager(_webWindow);
 			_broker = new FunctionBroker(_webWindow.qnxWebView, _serviceManager);
+			_loadingScreenTimer = null;
 
 			var configProperties:Dictionary = ConfigData.getInstance().properties;
 			configProperties["serviceManager"] = _serviceManager;
@@ -234,6 +239,23 @@ package
 		private function tabLoadComplete(event:WebkitEvent):void 
         {
 			trace("HTML LOAD DONE");
+
+			var onFirstLaunch:Boolean = ConfigData.getInstance().getProperty(ConfigConstants.ONFIRSTLAUNCH)
+			if (_webWindow.qnxWebView.visible) {
+				_loadingScreen.hideIfNecessary();
+			} else {
+				// if the WebView is invisible, it means it's set to hidden in order to hide the white flicker;
+				// we can set the visibility to true but we shouldn't show it (by hiding the loading screen) right now;
+				// insteadly, we need a timer to hide the loading screen after the visibility change;
+				// because if not, we will still see the white flicker.
+				_webWindow.qnxWebView.visible = true;
+				_loadingScreenTimer = new Timer(400, 1);
+				_loadingScreenTimer.addEventListener(TimerEvent.TIMER, runOnce);
+				_loadingScreenTimer.start();
+			}
+		}
+
+		private function runOnce(event:TimerEvent):void {
 			_loadingScreen.hideIfNecessary();
 		}
 

framework/src/webworks/webkit/WebkitControl.as

@@ -100,6 +100,11 @@ package webworks.webkit
 		{
 			var wv:QNXStageWebView = new QNXStageWebView();
 
+			// if onFirstLaunch is true, we need hide the QNXStageWebView to hide the white flicker from it
+			if (ConfigData.getInstance().getProperty(ConfigConstants.ONFIRSTLAUNCH)) {
+				wv.visible = false;
+			}
+
 			//Apply default properties
 			for(var webViewProp:String in defaultSettings) {
 				trace("Applying QNXStageWebView property: " + webViewProp + " = " + defaultSettings[webViewProp]);