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From t...@apache.org
Subject svn commit: r1230830 [3/4] - in /incubator/flex/whiteboard/tink/iview: ./ examples/ examples/libs/ examples/src/ src/ src/org/ src/org/apache/ src/org/apache/spark/ src/org/apache/spark/components/ src/org/apache/spark/components/supportClasses/ src/or...
Date Thu, 12 Jan 2012 23:15:19 GMT
Added: incubator/flex/whiteboard/tink/iview/src/org/apache/spark/components/ViewSkinnableComponent.as
URL: http://svn.apache.org/viewvc/incubator/flex/whiteboard/tink/iview/src/org/apache/spark/components/ViewSkinnableComponent.as?rev=1230830&view=auto
==============================================================================
--- incubator/flex/whiteboard/tink/iview/src/org/apache/spark/components/ViewSkinnableComponent.as (added)
+++ incubator/flex/whiteboard/tink/iview/src/org/apache/spark/components/ViewSkinnableComponent.as Thu Jan 12 23:15:17 2012
@@ -0,0 +1,678 @@
+package org.apache.spark.components
+{
+	import flash.events.Event;
+	
+	import mx.core.FlexGlobals;
+	import mx.core.IDataRenderer;
+	import mx.core.mx_internal;
+	import mx.events.FlexEvent;
+	import mx.events.PropertyChangeEvent;
+	
+	import spark.components.Group;
+	import spark.components.supportClasses.SkinnableComponent;
+	import spark.core.ContainerDestructionPolicy;
+	import spark.events.ViewNavigatorEvent;
+	import spark.layouts.supportClasses.LayoutBase;
+	
+	use namespace mx_internal;
+	
+	public class ViewSkinnableComponent extends SkinnableComponent implements IView, IDataRenderer
+	{
+		public function ViewSkinnableComponent()
+		{
+			super();
+		}
+		
+		//----------------------------------
+		//  navigator
+		//----------------------------------
+		
+		private var _navigator:ViewNavigator = null;
+		
+		/**
+		 * The view navigator that this view resides in.
+		 * 
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		
+		[Bindable("navigatorChanged")]
+		public function get navigator():ViewNavigator
+		{
+			return _navigator;
+		}
+		
+		//----------------------------------
+		//  destructionPolicy
+		//----------------------------------
+		
+		private var _destructionPolicy:String = ContainerDestructionPolicy.AUTO;
+		
+		[Inspectable(category="General", enumeration="auto,never", defaultValue="auto")]
+		/**
+		 *  Defines the destruction policy the view's navigator should use
+		 *  when this view is removed. If set to "auto", the navigator will
+		 *  destroy the view when it isn't active.  If set to "never", the
+		 *  view will be cached in memory.
+		 * 
+		 *  @default auto
+		 * 
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public function get destructionPolicy():String
+		{
+			return _destructionPolicy;
+		}
+		
+		/**
+		 *  @private
+		 */
+		public function set destructionPolicy(value:String):void
+		{
+			_destructionPolicy = value;    
+		}
+		
+		//----------------------------------
+		//  tabBarVisible
+		//----------------------------------
+		private var _tabBarVisible:Boolean = true;
+		
+		[Inspectable(category="General", defaultValue="true")]
+		/**
+		 *  Specifies whether a view should show the tab bar or not.
+		 *  This property does not necessarily correlate to the 
+		 *  <code>visible</code> property of the navigator's TabBar control. 
+		 *
+		 *  @default true
+		 * 
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public function get tabBarVisible():Boolean
+		{
+			return _tabBarVisible;
+		}
+		
+		/**
+		 *  @private
+		 */
+		public function set tabBarVisible(value:Boolean):void
+		{
+			var oldValue:Boolean = _tabBarVisible;
+			_tabBarVisible = value;
+			
+			// Immediately request actionBar's visibility be toggled
+			if (isActive && navigator)
+			{
+				if (hasEventListener(PropertyChangeEvent.PROPERTY_CHANGE))
+				{
+					var changeEvent:PropertyChangeEvent = 
+						PropertyChangeEvent.createUpdateEvent(this, "tabBarVisible", oldValue, value);
+					
+					dispatchEvent(changeEvent);
+				}
+			}
+		}
+		
+		//----------------------------------
+		//  actionBarVisible
+		//----------------------------------
+		private var _actionBarVisible:Boolean = true;
+		
+		[Inspectable(category="General", defaultValue="true")]
+		/**
+		 *  Specifies whether a view should show the action bar or not.
+		 *  This property does not necessarily correlate to the 
+		 *  <code>visible</code> property of the view navigator's ActionBar control. 
+		 *
+		 *  @default true
+		 * 
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public function get actionBarVisible():Boolean
+		{
+			return _actionBarVisible;
+		}
+		
+		/**
+		 *  @private
+		 */ 
+		public function set actionBarVisible(value:Boolean):void
+		{
+			_actionBarVisible = value;
+			
+			// Immediately request actionBar's visibility be toggled
+			if (isActive && navigator)
+			{
+				if (_actionBarVisible)
+					navigator.showActionBar();
+				else
+					navigator.hideActionBar();
+			}
+		}
+		
+		//----------------------------------
+		//  overlayControls
+		//----------------------------------
+		
+		private var _overlayControls:Boolean = false;
+		
+		[Inspectable(category="General", defaultValue="false")]
+		/**
+		 *  By default, the TabBar and ActionBar controls of a 
+		 *  mobile application define an area that cannot be used 
+		 *  by the views of an application. 
+		 *  That means your content cannot use the full screen size 
+		 *  of the mobile device.
+		 *  If you set this property to <code>true</code>, the content area 
+		 *  of the application spans the entire width and height of the screen. 
+		 *  The ActionBar and TabBar controls hover over the content area with 
+		 *  an <code>alpha</code> value of 0.5 so that they are partially transparent. 
+		 *  
+		 *  @default false
+		 * 
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public function get overlayControls():Boolean
+		{
+			return _overlayControls;
+		}
+		
+		/**
+		 *  @private
+		 */
+		public function set overlayControls(value:Boolean):void
+		{
+			if (_overlayControls != value)
+			{
+				var oldValue:Boolean = _overlayControls;
+				_overlayControls = value;
+				
+				if (hasEventListener(PropertyChangeEvent.PROPERTY_CHANGE))
+				{
+					var changeEvent:PropertyChangeEvent = 
+						PropertyChangeEvent.createUpdateEvent(this, "overlayControls", oldValue, _overlayControls);
+					
+					dispatchEvent(changeEvent);
+				}
+			}
+		}
+		
+		//----------------------------------
+		//  actionContent
+		//----------------------------------
+		
+		private var _actionContent:Array;
+		
+		[ArrayElementType("mx.core.IVisualElement")]
+		/**
+		 *  This property overrides the <code>actionContent</code>
+		 *  property in the ActionBar, ViewNavigator, and 
+		 *  ViewNavigatorApplication components.
+		 * 
+		 *  @copy ActionBar#actionContent
+		 *
+		 *  @default null
+		 *
+		 *  @see ActionBar#actionContent
+		 *  @see spark.skins.mobile.ActionBarSkin
+		 *  
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public function get actionContent():Array
+		{
+			return _actionContent;
+		}
+		/**
+		 *  @private
+		 */
+		public function set actionContent(value:Array):void
+		{
+			var oldValue:Array = _actionContent;
+			_actionContent = value;
+			
+			if (hasEventListener(PropertyChangeEvent.PROPERTY_CHANGE))
+			{
+				var changeEvent:PropertyChangeEvent = 
+					PropertyChangeEvent.createUpdateEvent(this, "actionContent", oldValue, _actionContent);
+				
+				dispatchEvent(changeEvent);
+			}
+		}
+		
+		//----------------------------------
+		//  actionLayout
+		//----------------------------------
+		
+		private var _actionLayout:LayoutBase;
+		
+		/**
+		 *  @copy ActionBar#actionLayout
+		 *
+		 *  @default null
+		 *  
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public function get actionLayout():LayoutBase
+		{
+			return _actionLayout;
+		}
+		/**
+		 *  @private
+		 */
+		public function set actionLayout(value:LayoutBase):void
+		{
+			var oldValue:LayoutBase = value;
+			_actionLayout = value;
+			
+			if (hasEventListener(PropertyChangeEvent.PROPERTY_CHANGE))
+			{
+				var changeEvent:PropertyChangeEvent = 
+					PropertyChangeEvent.createUpdateEvent(this, "actionLayout", oldValue, _actionLayout);
+				
+				dispatchEvent(changeEvent);
+			}
+		}
+		
+		//----------------------------------
+		//  navigationContent
+		//----------------------------------
+		
+		private var _navigationContent:Array;
+		
+		[ArrayElementType("mx.core.IVisualElement")]
+		/**
+		 *  This property overrides the <code>navigationContent</code>
+		 *  property in the ActionBar, ViewNavigator, and 
+		 *  ViewNavigatorApplication components.
+		 * 
+		 *  @copy ActionBar#navigationContent
+		 *
+		 *  @default null
+		 * 
+		 *  @see ActionBar#navigationContent
+		 *  @see spark.skins.mobile.ActionBarSkin
+		 *  
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public function get navigationContent():Array
+		{
+			return _navigationContent;
+		}
+		/**
+		 *  @private
+		 */
+		public function set navigationContent(value:Array):void
+		{
+			var oldValue:Array = _navigationContent;
+			_navigationContent = value;
+			
+			if (hasEventListener(PropertyChangeEvent.PROPERTY_CHANGE))
+			{
+				var changeEvent:PropertyChangeEvent = 
+					PropertyChangeEvent.createUpdateEvent(this, "navigationContent", oldValue, _navigationContent);
+				
+				dispatchEvent(changeEvent);
+			}
+		}
+		
+		//----------------------------------
+		//  navigationLayout
+		//----------------------------------
+		
+		private var _navigationLayout:LayoutBase;
+		
+		/**
+		 *  @copy ActionBar#navigationLayout
+		 *
+		 *  @default null
+		 *  
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public function get navigationLayout():LayoutBase
+		{
+			return _navigationLayout;
+		}
+		/**
+		 *  @private
+		 */
+		public function set navigationLayout(value:LayoutBase):void
+		{
+			var oldValue:LayoutBase = _navigationLayout;
+			_navigationLayout = value;
+			
+			if (hasEventListener(PropertyChangeEvent.PROPERTY_CHANGE))
+			{
+				var changeEvent:PropertyChangeEvent = 
+					PropertyChangeEvent.createUpdateEvent(this, "navigationLayout", _navigationLayout, value);
+				
+				dispatchEvent(changeEvent);
+			}
+		}
+		
+		//----------------------------------
+		//  title
+		//----------------------------------
+		
+		private var _title:String;
+		
+		[Bindable]
+		/**
+		 *  This property overrides the <code>title</code>
+		 *  property in the ActionBar, ViewNavigator, and 
+		 *  ViewNavigatorApplication components.
+		 * 
+		 *  @copy ActionBar#title
+		 *
+		 *  @default ""
+		 *  
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */ 
+		public function get title():String
+		{
+			return _title;
+		}
+		/**
+		 *  @private
+		 */ 
+		public function set title(value:String):void
+		{
+			if (_title != value)
+			{
+				var oldValue:String = _title;            
+				_title = value;
+				
+				if (hasEventListener(PropertyChangeEvent.PROPERTY_CHANGE))
+				{
+					var changeEvent:PropertyChangeEvent = 
+						PropertyChangeEvent.createUpdateEvent(this, "title", oldValue, _title);
+					
+					dispatchEvent(changeEvent);
+				}
+			}
+		}
+		
+		//----------------------------------
+		//  titleContent
+		//----------------------------------
+		
+		private var _titleContent:Array;
+		
+		[ArrayElementType("mx.core.IVisualElement")]
+		/**
+		 *  This property overrides the <code>titleContent</code>
+		 *  property in the ActionBar, ViewNavigator, and 
+		 *  ViewNavigatorApplication components.
+		 * 
+		 *  @copy ActionBar#titleContent
+		 *
+		 *  @default null
+		 * 
+		 *  @see ActionBar#titleContent
+		 *  @see spark.skins.mobile.ActionBarSkin
+		 *  
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public function get titleContent():Array
+		{
+			return _titleContent;
+		}
+		/**
+		 *  @private
+		 */
+		public function set titleContent(value:Array):void
+		{
+			var oldValue:Array = _titleContent;
+			_titleContent = value;
+			
+			if (hasEventListener(PropertyChangeEvent.PROPERTY_CHANGE))
+			{
+				var changeEvent:PropertyChangeEvent = 
+					PropertyChangeEvent.createUpdateEvent(this, "titleContent", oldValue, _titleContent);
+				
+				dispatchEvent(changeEvent);
+			}
+		}
+		
+		//----------------------------------
+		//  titleLayout
+		//----------------------------------
+		
+		private var _titleLayout:LayoutBase;
+		
+		/**
+		 *  @copy ActionBar#titleLayout
+		 *
+		 *  @default null
+		 *  
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public function get titleLayout():LayoutBase
+		{
+			return _titleLayout;
+		}
+		/**
+		 *  @private
+		 */
+		public function set titleLayout(value:LayoutBase):void
+		{
+			var oldValue:LayoutBase = _titleLayout;
+			_titleLayout = value;
+			
+			if (hasEventListener(PropertyChangeEvent.PROPERTY_CHANGE))
+			{
+				var changeEvent:PropertyChangeEvent = 
+					PropertyChangeEvent.createUpdateEvent(this, "titleLayout", oldValue, _titleLayout);
+				
+				dispatchEvent(changeEvent);
+			}
+		}
+		
+		public function backKeyHandledByView():Boolean
+		{
+			if (hasEventListener(FlexEvent.BACK_KEY_PRESSED))
+			{
+				var event:FlexEvent = new FlexEvent(FlexEvent.BACK_KEY_PRESSED, false, true);
+				var eventCanceled:Boolean = !dispatchEvent(event);
+				
+				// If the event was canceled, that means the application
+				// is doing its own custom logic for the back key
+				return eventCanceled;
+			}
+			
+			return false;
+		}
+		
+		public function canRemove():Boolean
+		{
+			if (hasEventListener(ViewNavigatorEvent.REMOVING))
+			{
+				var event:ViewNavigatorEvent = 
+					new ViewNavigatorEvent(ViewNavigatorEvent.REMOVING, 
+						false, true, navigator.lastAction);
+				
+				return dispatchEvent(event);
+			}
+			
+			return true;
+		}
+		
+//		//----------------------------------
+//		//  actionBarVisible
+//		//----------------------------------
+//		private var _actionBarVisible:Boolean = true;
+//		
+//		[Inspectable(category="General", defaultValue="true")]
+//		/**
+//		 *  Specifies whether a view should show the action bar or not.
+//		 *  This property does not necessarily correlate to the 
+//		 *  <code>visible</code> property of the view navigator's ActionBar control. 
+//		 *
+//		 *  @default true
+//		 * 
+//		 *  @langversion 3.0
+//		 *  @playerversion AIR 2.5
+//		 *  @productversion Flex 4.5
+//		 */
+//		public function get actionBarVisible():Boolean
+//		{
+//			return _actionBarVisible;
+//		}
+//		
+//		/**
+//		 *  @private
+//		 */ 
+//		public function set actionBarVisible(value:Boolean):void
+//		{
+//			_actionBarVisible = value;
+//			
+//			// Immediately request actionBar's visibility be toggled
+//			if (isActive && navigator)
+//			{
+//				if (_actionBarVisible)
+//					navigator.showActionBar();
+//				else
+//					navigator.hideActionBar();
+//			}
+//		}
+		
+		public function setActionBarVisible(value:Boolean):void
+		{
+			_actionBarVisible = value;
+		}
+		
+		private var _active:Boolean = false;
+		
+		public function get isActive():Boolean
+		{
+			return _active;
+		}
+		
+		public function setActive(value:Boolean):void
+		{
+			if (_active != value)
+			{
+				_active = value;
+				
+				// Switch orientation states if needed
+				if (_active)
+					updateOrientationState();
+				
+				var eventName:String = _active ? 
+					ViewNavigatorEvent.VIEW_ACTIVATE : 
+					ViewNavigatorEvent.VIEW_DEACTIVATE;
+				
+				if (hasEventListener(eventName))
+					dispatchEvent(new ViewNavigatorEvent(eventName, false, false, navigator.lastAction));
+			}
+		}
+		
+		/**
+		 *  @private
+		 */
+		mx_internal function updateOrientationState():void
+		{
+			setCurrentState(getCurrentViewState(), false);
+		}
+		
+		/**
+		 *  @inheritDoc
+		 */
+		public function deserializeData(value:Object):Object
+		{
+			return value;
+		}
+		
+		/**
+		 *  @inheritDoc
+		 */
+		public function setNavigator(value:ViewNavigator):void
+		{
+			_navigator = value;
+			
+			if (hasEventListener("navigatorChanged"))
+				dispatchEvent(new Event("navigatorChanged"));
+		}
+		
+		/**
+		 *  @inheritDoc
+		 */
+		public function createReturnObject():Object
+		{
+			return null;
+		}
+		
+		/**
+		 *  @inheritDoc
+		 */
+		public function serializeData():Object
+		{
+			return data;    
+		}
+		
+		
+		/**
+		 *  @inheritDoc
+		 */
+		public function getCurrentViewState():String
+		{
+			var aspectRatio:String = FlexGlobals.topLevelApplication.aspectRatio;
+			
+			if (hasState(aspectRatio))
+				return aspectRatio;
+			
+			// If the appropriate state for the orientation of the device
+			// isn't defined, return the current state
+			return currentState;
+		}
+		
+		//----------------------------------
+		//  data
+		//----------------------------------
+		
+		private var _data:Object;
+		
+		[Bindable("dataChange")]
+		
+		/**
+		 *  @inheritDoc
+		 */
+		public function get data():Object
+		{
+			return _data;
+		}
+		
+		/**
+		 *  @private
+		 */ 
+		public function set data(value:Object):void
+		{
+			_data = value;
+			
+			if (hasEventListener(FlexEvent.DATA_CHANGE))
+				dispatchEvent(new FlexEvent(FlexEvent.DATA_CHANGE));
+		}
+	}
+}
\ No newline at end of file

Added: incubator/flex/whiteboard/tink/iview/src/org/apache/spark/components/ViewSkinnableContainer.as
URL: http://svn.apache.org/viewvc/incubator/flex/whiteboard/tink/iview/src/org/apache/spark/components/ViewSkinnableContainer.as?rev=1230830&view=auto
==============================================================================
--- incubator/flex/whiteboard/tink/iview/src/org/apache/spark/components/ViewSkinnableContainer.as (added)
+++ incubator/flex/whiteboard/tink/iview/src/org/apache/spark/components/ViewSkinnableContainer.as Thu Jan 12 23:15:17 2012
@@ -0,0 +1,1065 @@
+////////////////////////////////////////////////////////////////////////////////
+//
+//  ADOBE SYSTEMS INCORPORATED
+//  Copyright 2009 Adobe Systems Incorporated
+//  All Rights Reserved.
+//
+//  NOTICE: Adobe permits you to use, modify, and distribute this file
+//  in accordance with the terms of the license agreement accompanying it.
+//
+////////////////////////////////////////////////////////////////////////////////
+
+package org.apache.spark.components
+{
+	import flash.events.Event;
+	import flash.events.StageOrientationEvent;
+	
+	import mx.core.FlexGlobals;
+	import mx.core.IDataRenderer;
+	import mx.core.IVisualElement;
+	import mx.core.mx_internal;
+	import mx.events.FlexEvent;
+	import mx.events.PropertyChangeEvent;
+	import mx.events.ResizeEvent;
+	
+	import spark.components.SkinnableContainer;
+	import spark.components.ViewMenuItem;
+	import spark.core.ContainerDestructionPolicy;
+	import spark.events.ViewNavigatorEvent;
+	import spark.layouts.supportClasses.LayoutBase;
+	
+	use namespace mx_internal;
+	
+	[Exclude(name="height", kind="property")]
+	[Exclude(name="minHeight", kind="property")]
+	[Exclude(name="maxHeight", kind="property")]
+	[Exclude(name="width", kind="property")]
+	[Exclude(name="minWidth", kind="property")]
+	[Exclude(name="maxWidth", kind="property")]
+	[Exclude(name="scaleX", kind="property")]
+	[Exclude(name="scaleY", kind="property")]
+	[Exclude(name="scaleZ", kind="property")]
+	[Exclude(name="z", kind="property")]
+	
+	//--------------------------------------
+	//  Events
+	//--------------------------------------
+	
+	/**
+	 *  Dispatched when the back key is pressed when a view exists inside
+	 *  a mobile application.
+	 *  
+	 *  @langversion 3.0
+	 *  @playerversion AIR 2.5
+	 *  @productversion Flex 4.5
+	 * 
+	 *  @eventType mx.events.FlexEvent.BACK_KEY_PRESSED
+	 * 
+	 */
+	[Event(name="backKeyPressed", type="mx.events.FlexEvent")]
+	
+	/**
+	 *  Dispatched when the <code>data</code> property changes.
+	 *  
+	 *  @langversion 3.0
+	 *  @playerversion AIR 2.5
+	 *  @productversion Flex 4.5
+	 * 
+	 *  @eventType mx.events.FlexEvent.DATA_CHANGE
+	 * 
+	 */
+	[Event(name="dataChange", type="mx.events.FlexEvent")]
+	
+	/**
+	 *  Dispatched when the menu key is pressed when a view exists inside
+	 *  a mobile application.
+	 *  
+	 *  @langversion 3.0
+	 *  @playerversion AIR 2.5
+	 *  @productversion Flex 4.5
+	 * 
+	 *  @eventType mx.events.FlexEvent.MENU_KEY_PRESSED
+	 * 
+	 */
+	[Event(name="menuKeyPressed", type="mx.events.FlexEvent")]
+	
+	/**
+	 *  Dispatched when the current view has been activated.
+	 * 
+	 *  @eventType spark.events.ViewNavigatorEvent.VIEW_ACTIVATE
+	 *  
+	 *  @langversion 3.0
+	 *  @playerversion AIR 2.5
+	 *  @productversion Flex 4.5
+	 */
+	[Event(name="viewActivate", type="spark.events.ViewNavigatorEvent")]
+	
+	/**
+	 *  Dispatched when the current view has been deactivated.
+	 * 
+	 *  @eventType spark.events.ViewNavigatorEvent.VIEW_DEACTIVATE
+	 *  
+	 *  @langversion 3.0
+	 *  @playerversion AIR 2.5
+	 *  @productversion Flex 4.5
+	 */
+	[Event(name="viewDeactivate", type="spark.events.ViewNavigatorEvent")]
+	
+	/**
+	 *  Dispatched when the screen is about to be removed in response
+	 *  to a screen change.  
+	 *  Calling <code>preventDefault()</code> 
+	 *  while handling this event cancels the screen change.
+	 * 
+	 *  @eventType spark.events.ViewNavigatorEvent.REMOVING
+	 *  
+	 *  @langversion 3.0
+	 *  @playerversion AIR 2.5
+	 *  @productversion Flex 4.5
+	 */
+	[Event(name="removing", type="spark.events.ViewNavigatorEvent")]
+	
+	/**
+	 *  The View class is the base container class for all views used by view
+	 *  navigators.  
+	 *  The View container extends the Group container and adds
+	 *  additional properties used to communicate with it's parent
+	 *  navigator.
+	 *
+	 *  <p>In a mobile application, the content area of the application
+	 *  displays the individual screens, or views, that make up the application. 
+	 *  Users navigate the views of the application by using the touch screen, 
+	 *  components built into the application, and the input controls of the mobile device.</p>
+	 *
+	 *  <p>The following image shows a View container with a List control:</p>
+	 *
+	 * <p>
+	 *  <img src="../../images/vn_single_section_home_vn.png" alt="View container" />
+	 * </p>
+	 *
+	 *  <p>Each view in an application corresponds to a View container defined 
+	 *  in an ActionScript or MXML file. 
+	 *  Each View contains a <code>data</code> property that specifies the data 
+	 *  associated with that view. 
+	 *  Views can use the <code>data</code> property to pass information to each 
+	 *  other as the user navigates the application.</p>
+	 *
+	 *  @mxml
+	 *  
+	 *  <p>The <code>&lt;s:View&gt;</code> tag inherits all of the tag 
+	 *  attributes of its superclass and adds the following tag attributes:</p>
+	 *  
+	 *  <pre>
+	 *  &lt;s:View
+	 *   <strong>Properties</strong>
+	 *    actionBarVisible="true"
+	 *    actionContent="null"
+	 *    actionLayout="null"
+	 *    data="null"
+	 *    destructionPolicy="auto"
+	 *    navigationContent="null"
+	 *    navigationLayout="null"
+	 *    overlayControls="false"
+	 *    tabBarVisible="true"
+	 *    title=""
+	 *    titleContent="null"
+	 *    titleLayout="null"
+	 *    viewMenuItems="null"
+	 * 
+	 *   <strong>Events</strong>
+	 *    backKeyPressed="<i>No default</i>"
+	 *    dataChange="<i>No default</i>"
+	 *    menuKeyPressed="<i>No default</i>"
+	 *    removing="<i>No default</i>"
+	 *    viewActivate="<i>No default</i>"
+	 *    viewDeactivate="<i>No default</i>"
+	 * 
+	 *  &gt;
+	 *  </pre>
+	 *
+	 *  @see ViewNavigator
+	 *
+	 *  @includeExample examples/ViewExample.mxml -noswf
+	 *  @includeExample examples/ViewExampleHomeView.mxml -noswf
+	 * 
+	 *  @langversion 3.0
+	 *  @playerversion AIR 2.5
+	 *  @productversion Flex 4.5
+	 */
+	public class ViewSkinnableContainer extends SkinnableContainer implements IDataRenderer, IView
+	{
+		//--------------------------------------------------------------------------
+		//
+		//  Constructor
+		//
+		//--------------------------------------------------------------------------
+		
+		/**
+		 *  Constructor.
+		 *  
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public function ViewSkinnableContainer()
+		{
+			super();
+		}
+		
+		//--------------------------------------------------------------------------
+		//
+		//  Properties
+		//
+		//--------------------------------------------------------------------------
+		
+		//----------------------------------
+		//  active
+		//----------------------------------
+		
+		private var _active:Boolean = false;
+		
+		/**
+		 *  Indicates whether the current view is active.  
+		 *  The view's navigator  automatically sets this flag to <code>true</code> 
+		 *  or <code>false</code> as its state changes.  
+		 *  Setting this property can dispatch the <code>viewActivate</code> or 
+		 *  <code>viewDeactivate</code> events. 
+		 *  
+		 *  @default false
+		 * 
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public function get isActive():Boolean
+		{
+			return _active;
+		}
+		
+		/**
+		 * @private
+		 */
+		public function setActive(value:Boolean):void
+		{
+			if (_active != value)
+			{
+				_active = value;
+				
+				// Switch orientation states if needed
+				if (_active)
+					updateOrientationState();
+				
+				var eventName:String = _active ? 
+					ViewNavigatorEvent.VIEW_ACTIVATE : 
+					ViewNavigatorEvent.VIEW_DEACTIVATE;
+				
+				if (hasEventListener(eventName))
+					dispatchEvent(new ViewNavigatorEvent(eventName, false, false, navigator.lastAction));
+			}
+		}
+		
+		//----------------------------------
+		//  canRemove
+		//----------------------------------
+		
+		/**
+		 *  @private
+		 *  Determines if the current view can be removed by a navigator.  The default 
+		 *  implementation dispatches a <code>FlexEvent.REMOVING</code> event.  If
+		 *  preventDefault() is called on the event, this property will return false.
+		 * 
+		 *  @return Returns true if the view can be removed
+		 *  
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */    
+		public function canRemove():Boolean
+		{
+			if (hasEventListener(ViewNavigatorEvent.REMOVING))
+			{
+				var event:ViewNavigatorEvent = 
+					new ViewNavigatorEvent(ViewNavigatorEvent.REMOVING, 
+						false, true, navigator.lastAction);
+				
+				return dispatchEvent(event);
+			}
+			
+			return true;
+		}
+		
+		/**
+		 *  @private
+		 */ 
+		public function backKeyHandledByView():Boolean
+		{
+			if (hasEventListener(FlexEvent.BACK_KEY_PRESSED))
+			{
+				var event:FlexEvent = new FlexEvent(FlexEvent.BACK_KEY_PRESSED, false, true);
+				var eventCanceled:Boolean = !dispatchEvent(event);
+				
+				// If the event was canceled, that means the application
+				// is doing its own custom logic for the back key
+				return eventCanceled;
+			}
+			
+			return false;
+		}
+		
+		/**
+		 *  @private
+		 */ 
+		mx_internal function menuKeyHandledByView():Boolean
+		{
+			if (hasEventListener(FlexEvent.MENU_KEY_PRESSED))
+			{
+				var event:FlexEvent = new FlexEvent(FlexEvent.MENU_KEY_PRESSED, false, true);
+				var eventCanceled:Boolean = !dispatchEvent(event);
+				
+				// If the event was canceled, that means the application
+				// is doing its own custom logic for the back key
+				return eventCanceled;
+			}
+			
+			return false;
+		}
+		
+		//----------------------------------
+		//  overlayControls
+		//----------------------------------
+		
+		private var _overlayControls:Boolean = false;
+		
+		[Inspectable(category="General", defaultValue="false")]
+		/**
+		 *  By default, the TabBar and ActionBar controls of a 
+		 *  mobile application define an area that cannot be used 
+		 *  by the views of an application. 
+		 *  That means your content cannot use the full screen size 
+		 *  of the mobile device.
+		 *  If you set this property to <code>true</code>, the content area 
+		 *  of the application spans the entire width and height of the screen. 
+		 *  The ActionBar and TabBar controls hover over the content area with 
+		 *  an <code>alpha</code> value of 0.5 so that they are partially transparent. 
+		 *  
+		 *  @default false
+		 * 
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public function get overlayControls():Boolean
+		{
+			return _overlayControls;
+		}
+		
+		/**
+		 *  @private
+		 */
+		public function set overlayControls(value:Boolean):void
+		{
+			if (_overlayControls != value)
+			{
+				var oldValue:Boolean = _overlayControls;
+				_overlayControls = value;
+				
+				if (hasEventListener(PropertyChangeEvent.PROPERTY_CHANGE))
+				{
+					var changeEvent:PropertyChangeEvent = 
+						PropertyChangeEvent.createUpdateEvent(this, "overlayControls", oldValue, _overlayControls);
+					
+					dispatchEvent(changeEvent);
+				}
+			}
+		}
+		
+		//----------------------------------
+		//  destructionPolicy
+		//----------------------------------
+		
+		private var _destructionPolicy:String = ContainerDestructionPolicy.AUTO;
+		
+		[Inspectable(category="General", enumeration="auto,never", defaultValue="auto")]
+		/**
+		 *  Defines the destruction policy the view's navigator should use
+		 *  when this view is removed. If set to "auto", the navigator will
+		 *  destroy the view when it isn't active.  If set to "never", the
+		 *  view will be cached in memory.
+		 * 
+		 *  @default auto
+		 * 
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public function get destructionPolicy():String
+		{
+			return _destructionPolicy;
+		}
+		
+		/**
+		 *  @private
+		 */
+		public function set destructionPolicy(value:String):void
+		{
+			_destructionPolicy = value;    
+		}
+		
+		//----------------------------------
+		//  navigator
+		//----------------------------------
+		
+		private var _navigator:ViewNavigator = null;
+		
+		/**
+		 * The view navigator that this view resides in.
+		 * 
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		
+		[Bindable("navigatorChanged")]
+		public function get navigator():ViewNavigator
+		{
+			return _navigator;
+		}
+		
+		/**
+		 *  @private
+		 */ 
+		public function setNavigator(value:ViewNavigator):void
+		{
+			_navigator = value;
+			
+			if (hasEventListener("navigatorChanged"))
+				dispatchEvent(new Event("navigatorChanged"));
+		}
+		
+		//--------------------------------------------------------------------------
+		//
+		//  UI Template Properties
+		//
+		//--------------------------------------------------------------------------
+		
+		//----------------------------------
+		//  actionBarVisible
+		//----------------------------------
+		private var _actionBarVisible:Boolean = true;
+		
+		[Inspectable(category="General", defaultValue="true")]
+		/**
+		 *  Specifies whether a view should show the action bar or not.
+		 *  This property does not necessarily correlate to the 
+		 *  <code>visible</code> property of the view navigator's ActionBar control. 
+		 *
+		 *  @default true
+		 * 
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public function get actionBarVisible():Boolean
+		{
+			return _actionBarVisible;
+		}
+		
+		/**
+		 *  @private
+		 */ 
+		public function set actionBarVisible(value:Boolean):void
+		{
+			_actionBarVisible = value;
+			
+			// Immediately request actionBar's visibility be toggled
+			if (isActive && navigator)
+			{
+				if (_actionBarVisible)
+					navigator.showActionBar();
+				else
+					navigator.hideActionBar();
+			}
+		}
+		
+		/**
+		 *  @private
+		 *  Method called by parent navigator to update the actionBarVisible
+		 *  flag as a result of the showActionBar() or hideActionBar() methods.
+		 */ 
+		public function setActionBarVisible(value:Boolean):void
+		{
+			_actionBarVisible = value;
+		}
+		
+		//----------------------------------
+		//  actionContent
+		//----------------------------------
+		
+		private var _actionContent:Array;
+		
+		[ArrayElementType("mx.core.IVisualElement")]
+		/**
+		 *  This property overrides the <code>actionContent</code>
+		 *  property in the ActionBar, ViewNavigator, and 
+		 *  ViewNavigatorApplication components.
+		 * 
+		 *  @copy ActionBar#actionContent
+		 *
+		 *  @default null
+		 *
+		 *  @see ActionBar#actionContent
+		 *  @see spark.skins.mobile.ActionBarSkin
+		 *  
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public function get actionContent():Array
+		{
+			return _actionContent;
+		}
+		/**
+		 *  @private
+		 */
+		public function set actionContent(value:Array):void
+		{
+			var oldValue:Array = _actionContent;
+			_actionContent = value;
+			
+			if (hasEventListener(PropertyChangeEvent.PROPERTY_CHANGE))
+			{
+				var changeEvent:PropertyChangeEvent = 
+					PropertyChangeEvent.createUpdateEvent(this, "actionContent", oldValue, _actionContent);
+				
+				dispatchEvent(changeEvent);
+			}
+		}
+		
+		//----------------------------------
+		//  actionLayout
+		//----------------------------------
+		
+		private var _actionLayout:LayoutBase;
+		
+		/**
+		 *  @copy ActionBar#actionLayout
+		 *
+		 *  @default null
+		 *  
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public function get actionLayout():LayoutBase
+		{
+			return _actionLayout;
+		}
+		/**
+		 *  @private
+		 */
+		public function set actionLayout(value:LayoutBase):void
+		{
+			var oldValue:LayoutBase = value;
+			_actionLayout = value;
+			
+			if (hasEventListener(PropertyChangeEvent.PROPERTY_CHANGE))
+			{
+				var changeEvent:PropertyChangeEvent = 
+					PropertyChangeEvent.createUpdateEvent(this, "actionLayout", oldValue, _actionLayout);
+				
+				dispatchEvent(changeEvent);
+			}
+		}
+		
+		//----------------------------------
+		//  viewMenuItems
+		//----------------------------------
+		
+		private var _viewMenuItems:Vector.<ViewMenuItem>;
+		
+		/**
+		 *  The Vector of ViewMenuItem objects passed to the ViewMenu when
+		 *  this View is the active view. 
+		 *
+		 *  @see ViewMenu
+		 *  @see ViewMenuItem
+		 *  
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */   
+		public function get viewMenuItems():Vector.<ViewMenuItem>
+		{
+			return _viewMenuItems;
+		}
+		
+		public function set viewMenuItems(value:Vector.<ViewMenuItem>):void
+		{
+			_viewMenuItems = value;
+		}
+		
+		//----------------------------------
+		//  navigationContent
+		//----------------------------------
+		
+		private var _navigationContent:Array;
+		
+		[ArrayElementType("mx.core.IVisualElement")]
+		/**
+		 *  This property overrides the <code>navigationContent</code>
+		 *  property in the ActionBar, ViewNavigator, and 
+		 *  ViewNavigatorApplication components.
+		 * 
+		 *  @copy ActionBar#navigationContent
+		 *
+		 *  @default null
+		 * 
+		 *  @see ActionBar#navigationContent
+		 *  @see spark.skins.mobile.ActionBarSkin
+		 *  
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public function get navigationContent():Array
+		{
+			return _navigationContent;
+		}
+		/**
+		 *  @private
+		 */
+		public function set navigationContent(value:Array):void
+		{
+			var oldValue:Array = _navigationContent;
+			_navigationContent = value;
+			
+			if (hasEventListener(PropertyChangeEvent.PROPERTY_CHANGE))
+			{
+				var changeEvent:PropertyChangeEvent = 
+					PropertyChangeEvent.createUpdateEvent(this, "navigationContent", oldValue, _navigationContent);
+				
+				dispatchEvent(changeEvent);
+			}
+		}
+		
+		//----------------------------------
+		//  navigationLayout
+		//----------------------------------
+		
+		private var _navigationLayout:LayoutBase;
+		
+		/**
+		 *  @copy ActionBar#navigationLayout
+		 *
+		 *  @default null
+		 *  
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public function get navigationLayout():LayoutBase
+		{
+			return _navigationLayout;
+		}
+		/**
+		 *  @private
+		 */
+		public function set navigationLayout(value:LayoutBase):void
+		{
+			var oldValue:LayoutBase = _navigationLayout;
+			_navigationLayout = value;
+			
+			if (hasEventListener(PropertyChangeEvent.PROPERTY_CHANGE))
+			{
+				var changeEvent:PropertyChangeEvent = 
+					PropertyChangeEvent.createUpdateEvent(this, "navigationLayout", _navigationLayout, value);
+				
+				dispatchEvent(changeEvent);
+			}
+		}
+		
+		
+		
+		//----------------------------------
+		//  tabBarVisible
+		//----------------------------------
+		private var _tabBarVisible:Boolean = true;
+		
+		[Inspectable(category="General", defaultValue="true")]
+		/**
+		 *  Specifies whether a view should show the tab bar or not.
+		 *  This property does not necessarily correlate to the 
+		 *  <code>visible</code> property of the navigator's TabBar control. 
+		 *
+		 *  @default true
+		 * 
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public function get tabBarVisible():Boolean
+		{
+			return _tabBarVisible;
+		}
+		
+		/**
+		 *  @private
+		 */
+		public function set tabBarVisible(value:Boolean):void
+		{
+			var oldValue:Boolean = _tabBarVisible;
+			_tabBarVisible = value;
+			
+			// Immediately request actionBar's visibility be toggled
+			if (isActive && navigator)
+			{
+				if (hasEventListener(PropertyChangeEvent.PROPERTY_CHANGE))
+				{
+					var changeEvent:PropertyChangeEvent = 
+						PropertyChangeEvent.createUpdateEvent(this, "tabBarVisible", oldValue, value);
+					
+					dispatchEvent(changeEvent);
+				}
+			}
+		}
+		
+		/**
+		 *  @private
+		 *  Method called by parent navigator to update the actionBarVisible
+		 *  flag as a result of the showTabBar() or hideTabBar() methods.
+		 */ 
+		mx_internal function setTabBarVisible(value:Boolean):void
+		{
+			_tabBarVisible = value;
+		}
+		
+		//----------------------------------
+		//  title
+		//----------------------------------
+		
+		private var _title:String;
+		
+		[Bindable]
+		/**
+		 *  This property overrides the <code>title</code>
+		 *  property in the ActionBar, ViewNavigator, and 
+		 *  ViewNavigatorApplication components.
+		 * 
+		 *  @copy ActionBar#title
+		 *
+		 *  @default ""
+		 *  
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */ 
+		public function get title():String
+		{
+			return _title;
+		}
+		/**
+		 *  @private
+		 */ 
+		public function set title(value:String):void
+		{
+			if (_title != value)
+			{
+				var oldValue:String = _title;            
+				_title = value;
+				
+				if (hasEventListener(PropertyChangeEvent.PROPERTY_CHANGE))
+				{
+					var changeEvent:PropertyChangeEvent = 
+						PropertyChangeEvent.createUpdateEvent(this, "title", oldValue, _title);
+					
+					dispatchEvent(changeEvent);
+				}
+			}
+		}
+		
+		//----------------------------------
+		//  titleContent
+		//----------------------------------
+		
+		private var _titleContent:Array;
+		
+		[ArrayElementType("mx.core.IVisualElement")]
+		/**
+		 *  This property overrides the <code>titleContent</code>
+		 *  property in the ActionBar, ViewNavigator, and 
+		 *  ViewNavigatorApplication components.
+		 * 
+		 *  @copy ActionBar#titleContent
+		 *
+		 *  @default null
+		 * 
+		 *  @see ActionBar#titleContent
+		 *  @see spark.skins.mobile.ActionBarSkin
+		 *  
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public function get titleContent():Array
+		{
+			return _titleContent;
+		}
+		/**
+		 *  @private
+		 */
+		public function set titleContent(value:Array):void
+		{
+			var oldValue:Array = _titleContent;
+			_titleContent = value;
+			
+			if (hasEventListener(PropertyChangeEvent.PROPERTY_CHANGE))
+			{
+				var changeEvent:PropertyChangeEvent = 
+					PropertyChangeEvent.createUpdateEvent(this, "titleContent", oldValue, _titleContent);
+				
+				dispatchEvent(changeEvent);
+			}
+		}
+		
+		//----------------------------------
+		//  titleLayout
+		//----------------------------------
+		
+		private var _titleLayout:LayoutBase;
+		
+		/**
+		 *  @copy ActionBar#titleLayout
+		 *
+		 *  @default null
+		 *  
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public function get titleLayout():LayoutBase
+		{
+			return _titleLayout;
+		}
+		/**
+		 *  @private
+		 */
+		public function set titleLayout(value:LayoutBase):void
+		{
+			var oldValue:LayoutBase = _titleLayout;
+			_titleLayout = value;
+			
+			if (hasEventListener(PropertyChangeEvent.PROPERTY_CHANGE))
+			{
+				var changeEvent:PropertyChangeEvent = 
+					PropertyChangeEvent.createUpdateEvent(this, "titleLayout", oldValue, _titleLayout);
+				
+				dispatchEvent(changeEvent);
+			}
+		}
+		
+		//--------------------------------------------------------------------------
+		//
+		//  IDataRenderer Properties
+		//
+		//--------------------------------------------------------------------------
+		
+		//----------------------------------
+		//  data
+		//----------------------------------
+		
+		private var _data:Object;
+		
+		[Bindable("dataChange")]
+		
+		/**
+		 *  The data associated with the current view.
+		 *  You use this property to pass infomration to the View when 
+		 *  it is pushed onto the navigator's stack.
+		 *  You can set this property by passing a <code>data</code>
+		 *  argument to the <code>pushView()</code> method. 
+		 * 
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public function get data():Object
+		{
+			return _data;
+		}
+		
+		/**
+		 *  @private
+		 */ 
+		public function set data(value:Object):void
+		{
+			_data = value;
+			
+			if (hasEventListener(FlexEvent.DATA_CHANGE))
+				dispatchEvent(new FlexEvent(FlexEvent.DATA_CHANGE));
+		}
+		
+		//--------------------------------------------------------------------------
+		//
+		//  Methods
+		//
+		//--------------------------------------------------------------------------
+		
+		/**
+		 *  Creates an object returned to the view navigator
+		 *  when this view is popped off the navigator's stack.
+		 *
+		 *  <p>Override this method in a View to return data back the new 
+		 *  view when this view is popped off the stack. 
+		 *  The <code>createReturnObject()</code> method returns a single Object.
+		 *  The Object returned by this method is written to the 
+		 *  <code>ViewNavigator.poppedViewReturnedObject</code> property. </p>
+		 *
+		 *  <p>The <code>ViewNavigator.poppedViewReturnedObject</code> property
+		 *  is of type ViewReturnObject.
+		 *  The <code>ViewReturnObject.object</code> property contains the 
+		 *  value returned by this method. </p>
+		 *
+		 *  <p>If the <code>poppedViewReturnedObject</code> property is null, 
+		 *  no data was returned. 
+		 *  The <code>poppedViewReturnedObject</code> property is guaranteed to be set 
+		 *  in the new view before the new view receives the <code>add</code> event.</p>
+		 * 
+		 *  @return The value written to the <code>object</code> field of the 
+		 *  <code>ViewNavigator.poppedViewReturnedObject</code> property.  
+		 *
+		 *  @see ViewNavigator#poppedViewReturnedObject
+		 *  @see spark.components.supportClasses.ViewReturnObject
+		 * 
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public function createReturnObject():Object
+		{
+			return null;
+		}
+		
+		/**
+		 *  Checks the aspect ratio of the stage and returns the proper state
+		 *  that the View should change to.  
+		 * 
+		 *  @return A String specifying the name of the state to apply to the view. 
+		 *  The possible return values are <code>"portrait"</code>
+		 *  or <code>"landscape"</code>.  
+		 *  The state is only changed if the desired state exists
+		 *  on the View. 
+		 *  If it does not, this method returns the component's current state.
+		 *  
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public function getCurrentViewState():String
+		{
+			var aspectRatio:String = FlexGlobals.topLevelApplication.aspectRatio;
+			
+			if (hasState(aspectRatio))
+				return aspectRatio;
+			
+			// If the appropriate state for the orientation of the device
+			// isn't defined, return the current state
+			return currentState;
+		}
+		
+		//--------------------------------------------------------------------------
+		//
+		//  Private Methods
+		//
+		//--------------------------------------------------------------------------
+		/**
+		 *  @private
+		 */ 
+		private function application_resizeHandler(event:Event):void
+		{
+			if (isActive)
+				updateOrientationState();
+		}
+		
+		/**
+		 *  @private
+		 */
+		mx_internal function updateOrientationState():void
+		{
+			setCurrentState(getCurrentViewState(), false);
+		}
+		
+		//--------------------------------------------------------------------------
+		//
+		//  Overridden methods: UIComponent
+		//
+		//--------------------------------------------------------------------------
+		
+		/**
+		 *  @private
+		 */ 
+		override public function initialize():void
+		{
+			super.initialize();
+			
+			addEventListener(FlexEvent.CREATION_COMPLETE, creationCompleteHandler);
+		}
+		
+		/**
+		 *  @private
+		 */ 
+		private function creationCompleteHandler(event:FlexEvent):void
+		{
+			removeEventListener(FlexEvent.CREATION_COMPLETE, creationCompleteHandler);
+			
+			// Create a weak listener so stage doesn't hold a reference to the view
+			FlexGlobals.topLevelApplication.addEventListener(ResizeEvent.RESIZE, 
+				application_resizeHandler, false, 0, true);
+			
+			updateOrientationState();
+		}
+		
+		//--------------------------------------------------------------------------
+		//
+		//  Persistence Methods
+		//
+		//--------------------------------------------------------------------------
+		
+		/**
+		 *  Responsible for serializes the view's <code>data</code> property 
+		 *  when the view is being persisted to disk.  
+		 *  The returned object should be something that can
+		 *  be successfully written to a shared object.  
+		 *  By default, this method returns the <code>data</code> property
+		 *  of the view.
+		 * 
+		 *  @return The serialized data object.
+		 * 
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public function serializeData():Object
+		{
+			return data;    
+		}
+		
+		/**
+		 *  Deserializes a data object that was saved to disk by the view,
+		 *  typically by a call to the <code>serializeData()</code> method.  
+		 *
+		 *  @param value The data object to deserialize.
+		 *  
+		 *  @return The value assigned to the 
+		 *  view's <code>data</code> property.
+		 *
+		 * 
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public function deserializeData(value:Object):Object
+		{
+			return value;
+		}
+	}
+}
\ No newline at end of file

Added: incubator/flex/whiteboard/tink/iview/src/org/apache/spark/components/supportClasses/NavigationStack.as
URL: http://svn.apache.org/viewvc/incubator/flex/whiteboard/tink/iview/src/org/apache/spark/components/supportClasses/NavigationStack.as?rev=1230830&view=auto
==============================================================================
--- incubator/flex/whiteboard/tink/iview/src/org/apache/spark/components/supportClasses/NavigationStack.as (added)
+++ incubator/flex/whiteboard/tink/iview/src/org/apache/spark/components/supportClasses/NavigationStack.as Thu Jan 12 23:15:17 2012
@@ -0,0 +1,256 @@
+////////////////////////////////////////////////////////////////////////////////
+//
+//  ADOBE SYSTEMS INCORPORATED
+//  Copyright 2010 Adobe Systems Incorporated
+//  All Rights Reserved.
+//
+//  NOTICE: Adobe permits you to use, modify, and distribute this file
+//  in accordance with the terms of the license agreement accompanying it.
+//
+////////////////////////////////////////////////////////////////////////////////
+
+package org.apache.spark.components.supportClasses
+{    
+	import flash.utils.IDataInput;
+	import flash.utils.IDataOutput;
+	import flash.utils.IExternalizable;
+	
+	import mx.core.mx_internal;
+	
+	use namespace mx_internal;
+	
+	[ExcludeClass]
+	
+	/**
+	 *  The NavigationStack class is a data structure that is internally used by 
+	 *  ViewNavigator to track the current set of views that are being managed 
+	 *  by the navigator.
+	 *
+	 *  @see spark.components.ViewNavigator
+	 *  
+	 *  @langversion 3.0
+	 *  @playerversion Flash 10
+	 *  @playerversion AIR 2.5
+	 *  @productversion Flex 4.5
+	 */
+	public class NavigationStack implements IExternalizable
+	{
+		
+		//--------------------------------------------------------------------------
+		//
+		//  Constructor
+		//
+		//--------------------------------------------------------------------------
+		
+		/**
+		 *  Constructor.
+		 *  
+		 *  @langversion 3.0
+		 *  @playerversion Flash 10
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public function NavigationStack()
+		{
+			super();
+			
+			_source = new Vector.<ViewDescriptor>();
+		}
+		
+		//--------------------------------------------------------------------------
+		//
+		// Variables
+		// 
+		//--------------------------------------------------------------------------
+		
+		/**
+		 *  @private
+		 */
+		private var _source:Vector.<ViewDescriptor>;
+		
+		/**
+		 *  @private
+		 *  
+		 *  @langversion 3.0
+		 *  @playerversion Flash 10
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */ 
+		mx_internal function get source():Vector.<ViewDescriptor>
+		{
+			return _source;
+		}
+		
+		//--------------------------------------------------------------------------
+		//
+		// Properties
+		// 
+		//--------------------------------------------------------------------------
+		
+		//----------------------------------
+		//  length
+		//----------------------------------
+		
+		/**
+		 *  The length of the stack.
+		 *  
+		 *  @langversion 3.0
+		 *  @playerversion Flash 10
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */        
+		public function get length():int
+		{
+			return _source.length;
+		}
+		
+		//----------------------------------
+		//  top
+		//----------------------------------
+		
+		/**
+		 *  Returns the object at the top of the stack.  
+		 *  If the stack is empty, this property is null.
+		 * 
+		 *  @default null
+		 *  
+		 *  @langversion 3.0
+		 *  @playerversion Flash 10
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		mx_internal function get topView():ViewDescriptor
+		{
+			return _source.length == 0 ? null : _source[_source.length - 1];
+		}
+		
+		//--------------------------------------------------------------------------
+		//
+		// Methods
+		// 
+		//--------------------------------------------------------------------------
+		
+		/**
+		 *  Clears the entire stack.
+		 *  
+		 *  @langversion 3.0
+		 *  @playerversion Flash 10
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public function clear():void
+		{
+			_source.length = 0;    
+		}
+		
+		/**
+		 *  Adds a view to the top of the navigation stack.
+		 *  Pushing a view changes the display of the application to 
+		 *  the new view on the stack.
+		 * 
+		 *  @param viewClass The class of the View to create.
+		 *
+		 *  @param data The data object to pass to the view when it is created.
+		 *  The new view accesses this Object by using 
+		 *  the <code>View.data</code> property.
+		 *
+		 *  @param context The context identifier to pass to the view when 
+		 *  it is created.
+		 *  
+		 *  @return The data structure that represents the current view.
+		 * 
+		 *  @langversion 3.0
+		 *  @playerversion Flash 10
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public function pushView(viewClass:Class, data:Object, context:Object = null):ViewDescriptor
+		{
+			var viewData:ViewDescriptor = new ViewDescriptor(viewClass, data, context);
+			_source.push(viewData);
+			
+			return viewData;
+		}
+		
+		/**
+		 *  Removes the top view off the stack.
+		 *  Returns control from the current view back to 
+		 *  the previous view on the stack.
+		 * 
+		 *  @return The data structure that represented the View that was removed.
+		 * 
+		 *  @langversion 3.0
+		 *  @playerversion Flash 10
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public function popView():ViewDescriptor
+		{
+			return _source.pop();
+		}
+		
+		/**
+		 *  Removes all but the root object from the navigation stack.
+		 *  The root object becomes the current view.
+		 *  
+		 *  @return The data structure that represented the View that was at 
+		 *  the top of the stack when this method was called, or null if
+		 *  nothing was removed.
+		 * 
+		 *  @langversion 3.0
+		 *  @playerversion Flash 10
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public function popToFirstView():ViewDescriptor
+		{
+			if (_source.length > 1)
+			{
+				var viewData:ViewDescriptor = topView;
+				_source.length = 1;
+				
+				return viewData;
+			}
+			
+			return null;
+		}
+		
+		//--------------------------------------------------------------------------
+		//
+		// Methods: IExternalizable
+		// 
+		//--------------------------------------------------------------------------
+		
+		/**
+		 *  Serializes the navigation stack in an IDataOutput object so that it
+		 *  can be written to a shared object.
+		 *  
+		 *  @param output The data output object used to write the data.
+		 *  
+		 *  @langversion 3.0
+		 *  @playerversion Flash 10
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5 
+		 */ 
+		public function writeExternal(output:IDataOutput):void
+		{
+			output.writeObject(_source);
+		}
+		
+		/**
+		 *  Deserializes the navigation stack when it is being loaded 
+		 *  from a shared object.
+		 *  
+		 *  @param input The external object to read from.
+		 * 
+		 *  @langversion 3.0
+		 *  @playerversion Flash 10
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5 
+		 */ 
+		public function readExternal(input:IDataInput):void 
+		{
+			_source = input.readObject() as Vector.<ViewDescriptor>;
+		}
+	}
+}
\ No newline at end of file

Added: incubator/flex/whiteboard/tink/iview/src/org/apache/spark/components/supportClasses/ViewDescriptor.as
URL: http://svn.apache.org/viewvc/incubator/flex/whiteboard/tink/iview/src/org/apache/spark/components/supportClasses/ViewDescriptor.as?rev=1230830&view=auto
==============================================================================
--- incubator/flex/whiteboard/tink/iview/src/org/apache/spark/components/supportClasses/ViewDescriptor.as (added)
+++ incubator/flex/whiteboard/tink/iview/src/org/apache/spark/components/supportClasses/ViewDescriptor.as Thu Jan 12 23:15:17 2012
@@ -0,0 +1,203 @@
+////////////////////////////////////////////////////////////////////////////////
+//
+//  ADOBE SYSTEMS INCORPORATED
+//  Copyright 2010 Adobe Systems Incorporated
+//  All Rights Reserved.
+//
+//  NOTICE: Adobe permits you to use, modify, and distribute this file
+//  in accordance with the terms of the license agreement accompanying it.
+//
+////////////////////////////////////////////////////////////////////////////////
+
+package org.apache.spark.components.supportClasses
+{    
+	import flash.utils.IDataInput;
+	import flash.utils.IDataOutput;
+	import flash.utils.IExternalizable;
+	import flash.utils.getDefinitionByName;
+	import flash.utils.getQualifiedClassName;
+	import org.apache.spark.components.IView;
+	
+	[ExcludeClass]
+	
+	/**
+	 *  The ViewDescriptor object is a data structure used to store information
+	 *  about a view that is being managed by a ViewNavigator.
+	 *
+	 *  @see spark.components.ViewNavigator
+	 * 
+	 *  @langversion 3.0
+	 *  @playerversion AIR 2.5
+	 *  @productversion Flex 4.5
+	 */
+	public class ViewDescriptor implements IExternalizable
+	{
+		//--------------------------------------------------------------------------
+		//
+		//  Constructor
+		//
+		//--------------------------------------------------------------------------
+		
+		/**
+		 *  Constructor.
+		 * 
+		 *  @param viewClass The class used to create the View object.
+		 * 
+		 *  @param data The data object to pass to the view when it is created.
+		 * 
+		 *  @param context The context of the view.
+		 * 
+		 *  @param instance A reference to the instance of the View object.
+		 * 
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public function ViewDescriptor(viewClass:Class = null, 
+									   data:Object = null, 
+									   context:Object = null,
+									   instance:IView = null)
+		{
+			this.viewClass = viewClass;
+			this.data = data;
+			this.context = context;
+			this.instance = instance;
+		}
+		
+		//--------------------------------------------------------------------------
+		//
+		//  Properties
+		//
+		//--------------------------------------------------------------------------
+		
+		//----------------------------------
+		//  context
+		//----------------------------------
+		
+		/**
+		 *  The string that describes the context in which this view was created.  
+		 *  This property is assigned to the <code>context</code>
+		 *  parameter that is passed to the 
+		 *  <code>ViewNavigator.pushView()</code> method.
+		 *
+		 *  @see spark.components.ViewNavigator#pushView()
+		 * 
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public var context:Object;
+		
+		//----------------------------------
+		//  data
+		//----------------------------------
+		
+		/**
+		 *  The current data object that is being used by the view.  
+		 *  When a view is removed from a navigation stack, this value 
+		 *  is updated to match the view's instance's current 
+		 *  <code>data</code> object.
+		 *
+		 *  @see spark.components.View#data
+		 * 
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public var data:Object;
+		
+		//----------------------------------
+		//  instance
+		//----------------------------------
+		
+		/**
+		 *  A reference to the View instance that is represented by this object.
+		 *  The ViewNavigator creates and assigns the instance as needed.  
+		 *  This property is set to null when a view is destroyed.
+		 * 
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public var instance:IView;
+		
+		//----------------------------------
+		//  persistenceData
+		//----------------------------------
+		
+		/**
+		 *  The serialized data that the view has requested be saved to disk when
+		 *  the application is writing data to a shared object or external file.
+		 *  This object is the result of calling 
+		 *  the <code>serializeData()</code> method on the View object.
+		 *   
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public var persistenceData:Object;
+		
+		//----------------------------------
+		//  viewClass
+		//----------------------------------
+		
+		/**
+		 *  The class used to create the view.  
+		 *  The ViewNavigator expects this class to be a subclass of View.
+		 *
+		 *  @see spark.components.View
+		 * 
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public var viewClass:Class;
+		
+		//--------------------------------------------------------------------------
+		//
+		//  Methods: IExternalizable
+		//
+		//--------------------------------------------------------------------------
+		
+		// TODO (chiedozi): This method isn't module safe because it doesn't properly
+		// check application domains when using getDefinitionByName.  Should use
+		// systemManager to do this. (SDK-27424)
+		/**
+		 *  Serializes this object stack in an IDataOutput object so that it
+		 *  can be written to a shared object.
+		 *  
+		 *  @param output The data output object used to write the data.
+		 *  
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5 
+		 */ 
+		public function writeExternal(output:IDataOutput):void
+		{
+			output.writeObject(context);
+			output.writeObject(persistenceData);
+			
+			// Have to store the class name of the viewClass because classes can't be
+			// written to a shared object
+			output.writeObject(getQualifiedClassName(viewClass));
+		}
+		
+		/**
+		 *  Deserializes the object when being loaded from a shared object.
+		 *  
+		 *  @param input The external object to read from.
+		 * 
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5 
+		 */ 
+		public function readExternal(input:IDataInput):void 
+		{
+			context = input.readObject();
+			persistenceData = input.readObject();
+			
+			var className:String = input.readObject();
+			viewClass = (className == "null") ? null : getDefinitionByName(className) as Class;
+		}
+	}
+}
\ No newline at end of file

Added: incubator/flex/whiteboard/tink/iview/src/org/apache/spark/components/supportClasses/ViewNavigatorBase.as
URL: http://svn.apache.org/viewvc/incubator/flex/whiteboard/tink/iview/src/org/apache/spark/components/supportClasses/ViewNavigatorBase.as?rev=1230830&view=auto
==============================================================================
--- incubator/flex/whiteboard/tink/iview/src/org/apache/spark/components/supportClasses/ViewNavigatorBase.as (added)
+++ incubator/flex/whiteboard/tink/iview/src/org/apache/spark/components/supportClasses/ViewNavigatorBase.as Thu Jan 12 23:15:17 2012
@@ -0,0 +1,661 @@
+////////////////////////////////////////////////////////////////////////////////
+//
+//  ADOBE SYSTEMS INCORPORATED
+//  Copyright 2010 Adobe Systems Incorporated
+//  All Rights Reserved.
+//
+//  NOTICE: Adobe permits you to use, modify, and distribute this file
+//  in accordance with the terms of the license agreement accompanying it.
+//
+////////////////////////////////////////////////////////////////////////////////
+
+package org.apache.spark.components.supportClasses
+{
+	import flash.display.InteractiveObject;
+	import flash.display.Stage;
+	import flash.events.StageOrientationEvent;
+	import flash.utils.getDefinitionByName;
+	import flash.utils.getQualifiedClassName;
+	
+	import mx.core.FlexGlobals;
+	import mx.core.UIComponent;
+	import mx.core.mx_internal;
+	import mx.events.FlexEvent;
+	import mx.events.PropertyChangeEvent;
+	import mx.events.ResizeEvent;
+	import mx.utils.DensityUtil;
+	
+	import spark.components.SkinnableContainer;
+	import spark.utils.MultiDPIBitmapSource;
+	import spark.components.supportClasses.ViewNavigatorAction;
+	import org.apache.spark.components.IView;
+	
+	use namespace mx_internal;
+	
+	/**
+	 *  The ViewNavigatorBase class defines the base class logic and
+	 *  interface used by view navigators.  
+	 *  This class contains methods and properties related to view management, 
+	 *  as well as integration points with ViewNavigatorApplicationBase application
+	 *  classes.
+	 *
+	 *  @mxml <p>The <code>&lt;s:ViewNavigatorBase&gt;</code> tag inherits 
+	 *  all of the tag attributes of its superclass and adds the following tag attributes:</p>
+	 *
+	 *  <pre>
+	 *  &lt;s:ViewNavigatorBase
+	 *    <strong>Properties</strong>
+	 *    icon="null"
+	 *    label="null"
+	 *    transitionsEnabled="true"
+	 *  /&gt;
+	 *  </pre>
+	 * 
+	 *  @see spark.components.ViewNavigator
+	 *  @see spark.components.ViewNavigatorApplication
+	 * 
+	 *  @langversion 3.0
+	 *  @playerversion AIR 2.5
+	 *  @productversion Flex 4.5
+	 */ 
+	public class ViewNavigatorBase extends SkinnableContainer
+	{
+		//--------------------------------------------------------------------------
+		//
+		// Constructor
+		// 
+		//--------------------------------------------------------------------------
+		
+		/**
+		 *  Constructor.
+		 * 
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public function ViewNavigatorBase()
+		{
+			super();
+			
+			_navigationStack = new NavigationStack();
+		}
+		
+		//--------------------------------------------------------------------------
+		//
+		// Variables
+		// 
+		//--------------------------------------------------------------------------
+		
+		/**
+		 *  @private
+		 *  This private variable is used to indicate that the navigator shouldn't play
+		 *  the pending visibility animation for the chrome components that it controls
+		 *  (e.g, ActionBar and TabBar).  This flag is set to true when the stage changes
+		 *  orientation.  This allows the framework to prevent the hide/show animation 
+		 *  from playing when the controls are hidden in either landscape or portrait.
+		 * 
+		 *  See SDK-28541 for more information.
+		 */
+		mx_internal var disableNextControlAnimation:Boolean = false;
+		
+		//--------------------------------------------------------------------------
+		//
+		// Properties
+		// 
+		//--------------------------------------------------------------------------
+		
+		//----------------------------------
+		//  active
+		//----------------------------------
+		
+		private var _active:Boolean = true;
+		
+		/**
+		 *  Set to <code>true</code> when this navigator is active.  
+		 *  The parent navigator automatically sets this flag its state changes.
+		 *  
+		 *  @default true
+		 * 
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public function get isActive():Boolean
+		{
+			return _active;
+		}
+		
+		/**
+		 * @private
+		 * Setting the active state is hidden and should be managed my
+		 * the components that manage navigators.
+		 */
+		mx_internal function setActive(value:Boolean, clearNavigationStack:Boolean = false):void
+		{
+			if (_active != value)
+				_active = value;
+		}
+		
+		//----------------------------------
+		//  activeView
+		//----------------------------------
+		
+		/**
+		 *  The currently active view of the navigator.  
+		 *  Only one view can be active at a time.
+		 *
+		 *  @default null
+		 * 
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public function get activeView():IView
+		{
+			return null;
+		}
+		
+		//----------------------------------
+		//  exitApplicationOnBackKey
+		//----------------------------------
+		/**
+		 *  @private
+		 *  This method determines if a device's default back key handler can
+		 *  be canceled.  For example, by default, when the back key is pressed
+		 *  on android devices, the application exits.  By returning true, that
+		 *  action will be canceled and the navigator's default back key behavior
+		 *  will run.
+		 * 
+		 *  <p>This method is only called if the navigator is the main navigator
+		 *  of a ViewNavigatorApplication class</p>.
+		 * 
+		 *  @default true
+		 *  
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		mx_internal function get exitApplicationOnBackKey():Boolean
+		{
+			return true;
+		}
+		
+		//----------------------------------
+		//  icon
+		//----------------------------------
+		
+		private var _icon:Object;
+		
+		/**
+		 *  The icon used when this navigator is represented
+		 *  by a visual component.
+		 * 
+		 *  @default null
+		 * 
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public function get icon():Object
+		{
+			return _icon;    
+		}
+		
+		/**
+		 *  @private
+		 */
+		public function set icon(value:Object):void
+		{
+			if (_icon != value)
+			{
+				var oldValue:Object = _icon;
+				_icon = value;
+				
+				if (hasEventListener(PropertyChangeEvent.PROPERTY_CHANGE))
+				{
+					var changeEvent:PropertyChangeEvent = 
+						PropertyChangeEvent.createUpdateEvent(this, "icon", oldValue, _icon);
+					
+					dispatchEvent(changeEvent);
+				}
+			}
+		}
+		
+		//----------------------------------
+		//  label
+		//----------------------------------
+		
+		private var _label:String = "";
+		
+		[Bindable]
+		/**
+		 *  The label used when this navigator is represented by a visual component.
+		 * 
+		 *  @default null
+		 * 
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public function get label():String
+		{
+			return _label;
+		}
+		
+		/**
+		 *  @private
+		 */
+		public function set label(value:String):void
+		{    
+			if (_label != value)
+			{
+				var oldValue:String = _label;
+				_label = value;
+				
+				if (hasEventListener(PropertyChangeEvent.PROPERTY_CHANGE))
+				{
+					var changeEvent:PropertyChangeEvent = 
+						PropertyChangeEvent.createUpdateEvent(this, "label", oldValue, _label);
+					
+					dispatchEvent(changeEvent);
+				}
+			}
+		}
+		
+		//----------------------------------
+		//  lastAction
+		//----------------------------------
+		
+		private var _lastAction:String = ViewNavigatorAction.NONE;
+		
+		/**
+		 *  @private
+		 *  The last action performed by the navigator.
+		 *
+		 *  @see spark.components.supportClasses.ViewNavigatorAction
+		 */
+		mx_internal function get lastAction():String
+		{
+			return _lastAction;
+		}
+		
+		/**
+		 *  @private
+		 */ 
+		mx_internal function set lastAction(value:String):void
+		{
+			_lastAction = value;    
+		}
+		
+		//----------------------------------
+		//  navigationStack
+		//----------------------------------
+		
+		/**
+		 *  @private
+		 */ 
+		protected var _navigationStack:NavigationStack;
+		
+		/**
+		 *  @private
+		 *  The navigation stack that is being managed by the navigator.
+		 *  An empty navigation stack is automatically created when
+		 *  a navigator is created.
+		 * 
+		 *  @default null
+		 */ 
+		mx_internal function get navigationStack():NavigationStack
+		{
+			return _navigationStack;
+		}
+		
+		/**
+		 *  @private
+		 */ 
+		mx_internal function set navigationStack(value:NavigationStack):void
+		{
+			if (value == null)
+				_navigationStack = new NavigationStack();
+			else
+				_navigationStack = value;
+		}
+		
+		//----------------------------------
+		//  overlayControls
+		//----------------------------------
+		private var _overlayControls:Boolean = false;
+		
+		/**
+		 *  @private
+		 *  This property controls the overlay state of the navigator.  The
+		 *  navigator will properly update this property in the
+		 *  updateControlsForView() method with the View.overlayControls
+		 *  property.
+		 * 
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		mx_internal function get overlayControls():Boolean
+		{
+			return _overlayControls;
+		}
+		
+		mx_internal function set overlayControls(value:Boolean):void
+		{
+			if (value != _overlayControls)
+			{
+				_overlayControls = value;
+				invalidateSkinState();
+				
+				if (skin)
+				{
+					skin.invalidateSize();
+					skin.invalidateDisplayList();
+				}
+			}
+		}
+		
+		//----------------------------------
+		//  parentNavigator
+		//----------------------------------
+		private var _parentNavigator:ViewNavigatorBase;
+		
+		/**
+		 *  The parent navigator for this navigator.
+		 * 
+		 *  @default null
+		 * 
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public function get parentNavigator():ViewNavigatorBase
+		{
+			return _parentNavigator;
+		}
+		
+		/**
+		 *  @private
+		 */ 
+		mx_internal function setParentNavigator(value:ViewNavigatorBase):void
+		{
+			_parentNavigator = value;        
+		}
+		
+		//----------------------------------
+		//  transitionsEnabled
+		//----------------------------------
+		
+		private var _transitionsEnabled:Boolean = true;
+		
+		/**
+		 *  Set to <code>true</code> to enable view transitions 
+		 *  when a view changes, or when the ActionBar control or 
+		 *  TabBar control visibility changes.
+		 * 
+		 *  @default true
+		 * 
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */ 
+		public function get transitionsEnabled():Boolean
+		{
+			return _transitionsEnabled;
+		}
+		
+		/**
+		 *  @private
+		 */
+		public function set transitionsEnabled(value:Boolean):void
+		{
+			_transitionsEnabled = value;
+		}
+		
+		//--------------------------------------------------------------------------
+		//
+		// Public Methods
+		// 
+		//--------------------------------------------------------------------------
+		
+		/**
+		 *  This method executes the default back key behavior for a ViewNavigator.
+		 *  
+		 *  @langversion 3.0
+		 *  @playerversion AIR 3.1
+		 *  @productversion Flex 4.6
+		 */
+		public function backKeyUpHandler():void
+		{
+		}
+		
+		/**
+		 *  Serializes all data related to
+		 *  the navigator's children into an object that can be saved
+		 *  by the persistence manager.  
+		 *  This returned object is passed to the <code>restoreViewData()</code> 
+		 *  method when the navigator is reinstantiated.
+		 * 
+		 *  @return The object that represents the navigators state
+		 * 
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public function saveViewData():Object
+		{
+			var iconData:Object = icon;
+			
+			if (iconData is MultiDPIBitmapSource)
+			{
+				var app:Object = FlexGlobals.topLevelApplication;
+				var dpi:Number;
+				if ("runtimeDPI" in app)
+					dpi = app["runtimeDPI"];
+				else
+					dpi = DensityUtil.getRuntimeDPI();
+				
+				iconData = MultiDPIBitmapSource(iconData).getSource(dpi);
+			}
+			
+			if (iconData is Class)
+				return {label:label, iconClassName:getQualifiedClassName(iconData)};
+			if (iconData is String)
+				return {label:label, iconStringName: iconData};
+			
+			return {label:label};
+		}
+		
+		/**
+		 *  Restores the state of a navigator's view 
+		 *  from the <code>value</code> argument.
+		 *  The object passed as the <code>value</code> argument is 
+		 *  created by a call to the <code>saveViewData()</code> method.
+		 * 
+		 *  @param value The object used to restore the navigators state.
+		 * 
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public function loadViewData(value:Object):void
+		{
+			label = value.label;
+			
+			var iconClassName:String = value.iconClassName;
+			
+			if (iconClassName == null)
+				icon = value.iconStringName;
+			else if (iconClassName != null)
+				icon = getDefinitionByName(iconClassName);
+			
+			// TODO (chiedozi): This is not module safe because of its use of 
+			// getDefinitionByName.  Should use systemManager to do this. (SDK-27424)
+		}
+		
+		/**
+		 *  Updates various properties of the navigator when a
+		 *  new view is added and activated.
+		 * 
+		 *  @param view The view that was added.
+		 * 
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public function updateControlsForView(view:IView):void
+		{
+			if (parentNavigator)
+				parentNavigator.updateControlsForView(view);
+		}
+		
+		//--------------------------------------------------------------------------
+		//
+		//  Private methods
+		//
+		//--------------------------------------------------------------------------
+		
+		/**
+		 *  @private
+		 *  
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		override protected function getCurrentSkinState():String
+		{
+			var finalState:String = FlexGlobals.topLevelApplication.aspectRatio;
+			
+			if (_overlayControls)
+				finalState += "AndOverlay";
+			
+			return finalState;
+		}
+		
+		/**
+		 *  @private
+		 *  This method checks if the current view can be removed
+		 *  from the display list. This is mx_internal because the
+		 *  TabbedViewNavigator needs to call it on its children.
+		 * 
+		 *  @return Returns true if the screen can be removed
+		 *  
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		mx_internal function canRemoveCurrentView():Boolean
+		{
+			// This is a method instead of a property because the default
+			// implementation in ViewNavigator has a side effect
+			return true;
+		}
+		
+		
+		/**
+		 *  @private
+		 *  Captures the important animation values of component to use
+		 *  when animating the actionBar's visiblity.
+		 *  
+		 *  @param component The component to capture the values from
+		 * 
+		 *  @return Returns an object that contains the properties 
+		 *  
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */    
+		mx_internal function captureAnimationValues(component:UIComponent):Object
+		{
+			var values:Object = {   x:component.x,
+				y:component.y,
+				width:component.width,
+				height:component.height,
+				explicitWidth:component.explicitWidth,
+				explicitHeight:component.explicitHeight,
+				percentWidth:component.percentWidth,
+				percentHeight:component.percentHeight,
+				visible: component.visible,
+				includeInLayout: component.includeInLayout,
+				cacheAsBitmap: component.cacheAsBitmap };
+			
+			return values;
+		}
+		
+		/**
+		 *  @private
+		 *  Creates the top view of the navigator and adds it to the
+		 *  display list.  This method is used when the navigator exists
+		 *  inside a TabbedViewNavigator.
+		 */ 
+		mx_internal function createTopView():void
+		{
+			// Override in sub class
+		}
+		
+		/**
+		 *  @private
+		 */ 
+		private function creationCompleteHandler(event:FlexEvent):void
+		{
+			removeEventListener(FlexEvent.CREATION_COMPLETE, creationCompleteHandler);
+			
+			// Create a weak listener so stage doesn't hold a reference to the view
+			FlexGlobals.topLevelApplication.addEventListener(ResizeEvent.RESIZE, 
+				stage_resizeHandler, false, 0, true);
+		}
+		
+		/**
+		 *  @private
+		 */
+		mx_internal function updateFocus():void
+		{
+			var stage:Stage = systemManager.stage;
+			if (!stage.focus || !stage.focus.stage || stage.focus == this)
+			{
+				if (activeView)
+					stage.focus = activeView as InteractiveObject;
+				else
+					stage.focus = this;
+			}
+		}
+		
+		/**
+		 *  @private
+		 */ 
+		mx_internal function stage_resizeHandler(event:ResizeEvent):void
+		{
+			disableNextControlAnimation = true;
+			invalidateSkinState();
+		}
+		
+		//--------------------------------------------------------------------------
+		//
+		//  Overridden methods: UIComponent
+		//
+		//--------------------------------------------------------------------------
+		
+		/**
+		 *  @private
+		 */ 
+		override protected function attachSkin():void
+		{
+			super.attachSkin();
+			
+			// Since a new skin was added, update the state of the controls
+			// added as part of the new skin
+			updateControlsForView(activeView);
+		}
+		
+		/**
+		 *  @private
+		 */ 
+		override public function initialize():void
+		{
+			super.initialize();
+			
+			addEventListener(FlexEvent.CREATION_COMPLETE, creationCompleteHandler);
+		}
+	}
+}
\ No newline at end of file

Added: incubator/flex/whiteboard/tink/iview/src/org/apache/spark/skins/mobile/ViewNavigatorSkin.as
URL: http://svn.apache.org/viewvc/incubator/flex/whiteboard/tink/iview/src/org/apache/spark/skins/mobile/ViewNavigatorSkin.as?rev=1230830&view=auto
==============================================================================
--- incubator/flex/whiteboard/tink/iview/src/org/apache/spark/skins/mobile/ViewNavigatorSkin.as (added)
+++ incubator/flex/whiteboard/tink/iview/src/org/apache/spark/skins/mobile/ViewNavigatorSkin.as Thu Jan 12 23:15:17 2012
@@ -0,0 +1,174 @@
+////////////////////////////////////////////////////////////////////////////////
+//
+//  ADOBE SYSTEMS INCORPORATED
+//  Copyright 2010 Adobe Systems Incorporated
+//  All Rights Reserved.
+//
+//  NOTICE: Adobe permits you to use, modify, and distribute this file
+//  in accordance with the terms of the license agreement accompanying it.
+//
+////////////////////////////////////////////////////////////////////////////////
+
+package org.apache.spark.skins.mobile
+{
+	
+	import spark.components.ActionBar;
+	import spark.components.Group;
+	import spark.components.ViewNavigator;
+	import spark.skins.mobile.supportClasses.MobileSkin;
+	
+	/**
+	 *  The ActionScript-based skin for view navigators in mobile
+	 *  applications.  This skin lays out the action bar and content
+	 *  group in a vertical fashion, where the action bar is on top.
+	 *  This skin also supports navigator overlay modes.
+	 * 
+	 *  @langversion 3.0
+	 *  @playerversion AIR 2.5 
+	 *  @productversion Flex 4.5
+	 */
+	public class ViewNavigatorSkin extends MobileSkin
+	{
+		//--------------------------------------------------------------------------
+		//
+		//  Constructor
+		//
+		//--------------------------------------------------------------------------  
+		
+		/**
+		 *  Constructor.
+		 *  
+		 *  @langversion 3.0
+		 *  @playerversion AIR 2.5
+		 *  @productversion Flex 4.5
+		 */
+		public function ViewNavigatorSkin()
+		{
+			super();
+		}
+		
+		//--------------------------------------------------------------------------
+		//
+		//  Properties
+		//
+		//--------------------------------------------------------------------------
+		
+		/**
+		 *  @copy spark.components.SkinnableContainer#contentGroup
+		 */
+		public var contentGroup:Group;
+		
+		/**
+		 *  @copy spark.components.ViewNavigator#actionBar
+		 */ 
+		public var actionBar:ActionBar;
+		
+		//--------------------------------------------------------------------------
+		//
+		//  Overridden properties
+		//
+		//--------------------------------------------------------------------------
+		
+		/** 
+		 *  @copy spark.skins.spark.ApplicationSkin#hostComponent
+		 */
+		public var hostComponent:ViewNavigator;
+		
+		//--------------------------------------------------------------------------
+		//
+		// Methods
+		//
+		//--------------------------------------------------------------------------
+		
+		private var _isOverlay:Boolean;
+		
+		/**
+		 *  @private
+		 */
+		override protected function createChildren():void
+		{
+			contentGroup = new Group();
+			contentGroup.id = "contentGroup";
+			
+			actionBar = new ActionBar();
+			actionBar.id = "actionBar";
+			
+			addChild(contentGroup);
+			addChild(actionBar);
+		}
+		
+		/**
+		 *  @private 
+		 */ 
+		override protected function measure():void
+		{
+			super.measure();
+			
+			measuredWidth = Math.max(actionBar.getPreferredBoundsWidth(), 
+				contentGroup.getPreferredBoundsWidth());
+			
+			if (currentState == "portraitAndOverlay" || currentState == "landscapeAndOverlay")
+			{
+				measuredHeight = Math.max(actionBar.getPreferredBoundsHeight(), 
+					contentGroup.getPreferredBoundsHeight());
+			}
+			else
+			{
+				measuredHeight = actionBar.getPreferredBoundsHeight() + 
+					contentGroup.getPreferredBoundsHeight();
+			}
+		}
+		
+		/**
+		 *  @private
+		 */ 
+		override protected function commitCurrentState():void
+		{
+			super.commitCurrentState();
+			
+			_isOverlay = (currentState.indexOf("Overlay") >= 1);
+			
+			// Force a layout pass on the components
+			invalidateProperties();
+			invalidateSize();
+			invalidateDisplayList();
+		}
+		
+		/**
+		 *  @private
+		 */
+		override protected function layoutContents(unscaledWidth:Number, unscaledHeight:Number):void
+		{
+			super.layoutContents(unscaledWidth, unscaledHeight);
+			
+			var actionBarHeight:Number = 0;
+			
+			// The action bar is always placed at 0,0 and stretches the entire
+			// width of the navigator
+			if (actionBar.includeInLayout)
+			{
+				actionBarHeight = Math.min(actionBar.getPreferredBoundsHeight(), unscaledHeight);
+				actionBar.setLayoutBoundsSize(unscaledWidth, actionBarHeight);
+				actionBar.setLayoutBoundsPosition(0, 0);
+				actionBarHeight = actionBar.getLayoutBoundsHeight();
+				
+				// update ActionBar backgroundAlpha when in overlay mode
+				var backgroundAlpha:Number = (_isOverlay) ? 0.75 : 1;
+				actionBar.setStyle("backgroundAlpha", backgroundAlpha);
+			}
+			
+			if (contentGroup.includeInLayout)
+			{
+				// If the hostComponent is in overlay mode, the contentGroup extends
+				// the entire bounds of the navigator and the alpha for the action 
+				// bar changes
+				// If this changes, also update validateEstimatedSizesOfChild
+				var contentGroupHeight:Number = (_isOverlay) ? unscaledHeight : Math.max(unscaledHeight - actionBarHeight, 0);
+				var contentGroupPosition:Number = (_isOverlay) ? 0 : actionBarHeight;
+				
+				contentGroup.setLayoutBoundsSize(unscaledWidth, contentGroupHeight);
+				contentGroup.setLayoutBoundsPosition(0, contentGroupPosition);
+			}
+		}
+	}
+}
\ No newline at end of file



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