--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uiacceltk/hitchcock/CommonInc/alfrenderstageutils.h	Tue Feb 02 07:56:43 2010 +0200
@@ -0,0 +1,102 @@
+/*
+* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:   
+*
+*/
+
+#ifndef _ALFRSUAPI_H_
+#define _ALFRSUAPI_H_
+
+const TInt KAlfCompositionAgnosticWindowTreeObserverInterfaceId(0x2002BCFB);
+    
+class MAlfCompositionAgnosticWindowTreeObserver
+    {
+public:
+	enum TFlags
+		{
+		/** For a window to be drawn, it needs to be activated and visible and have visible parents.
+	 	Making a window invisible, implies that its children should be invisible as well.
+	 	The default value for a window is true. */
+		EVisible = 1,
+		/** Non-fading windows should not be drawn faded regardless of their fade-count.
+		The default value is false. */
+		ENonFading,
+		/** Windows with this attribute enabled uses alpha channel to control its transparency.
+		The default value is false. */
+		EAlphaChannelTransparencyEnabled,
+		/** True if a clipping rect should be applied when drawing a standard text cursor, false otherwise.
+		The default value is false. */
+		ECursorClipRectSet
+		};
+	/**
+	 This enum encapsulates the set of non-boolean attribute changes that can be observed
+	 using the MWsWindowTreeObserver interface. 
+	 @see AttributeChanged */
+	enum TAttributes
+		{
+		/** Cursor type.
+		@see MWsStandardTextCursor::Type()*/
+		ECursorType = 1,
+		/** Cursor clip rect.
+		@see MWsStandardTextCursor::ClipRect()*/
+		ECursorClipRect,
+		/** Cursor flags.
+		@see MWsStandardTextCursor::Flags()*/
+		ECursorFlags,
+		/** Cursor color.
+		@see MWsStandardTextCursor::Color()*/
+		ECursorColor,
+		/** Window shape.
+		@see MWsWindow::WindowArea()*/
+		EWindowShape,
+		/** Window group name
+		@see MWsWindowGroup::Name()*/
+		EWindowGroupName
+      };
+      
+    virtual void NodeCreated(const MWsWindowTreeNode& aWindowTreeNode, const MWsWindowTreeNode* aParent) = 0;
+    virtual void NodeReleased(const MWsWindowTreeNode& aWindowTreeNode) = 0;
+    virtual void NodeActivated(const MWsWindowTreeNode& aWindowTreeNode) = 0;
+    virtual void NodeExtentChanged(const MWsWindowTreeNode& aWindowTreeNode, const TRect& aRect) = 0;
+    virtual void SiblingOrderChanged(const MWsWindowTreeNode& aWindowTreeNode, TInt aNewPos) = 0;
+    virtual void FlagChanged(const MWsWindowTreeNode& aWindowTreeNode, TInt aFlag, TBool aNewValue) = 0;
+    virtual void AttributeChanged(const MWsWindowTreeNode& aWindowTreeNode, TInt aAttribute) = 0;
+    virtual void FadeCountChanged(const MWsWindowTreeNode& aWindowTreeNode, TInt aFadeCount) = 0;
+    virtual void TransparentRegionChanged(const MWsWindowTreeNode& aWindowTreeNode, const TRegion& aNewTransparentRegion, const TRegion* aNewOpaqueRegion) = 0;
+    //virtual void ElementAdded(const MWsWindowTreeNode& aWindowTreeNode, const TRect& aElement) = 0;
+    virtual void MovedToWindowGroup(const MWsWindowTreeNode& aWindowTreeNode, const MWsWindowTreeNode& aNewWindowGroupNode) = 0;
+    virtual void WindowGroupChained(const MWsWindowTreeNode& aParent, const MWsWindowTreeNode& aChild) = 0;
+    virtual void WindowGroupChainBrokenAfter(const MWsWindowTreeNode& aWindowGroupNode) = 0;
+    virtual void FadeAllChildren(const MWsWindowTreeNode& aWindowTreeNode, TBool aFaded) = 0;
+    };
+
+class RAlfBridgerClient;
+
+class MAlfBridge
+    {
+    public:
+    enum TEvent {
+        EAlfBridgeCreated, // data: MAlfBridge
+        EAlfNativeWindowCreated, // data: TAlfNativeWindowData
+        ESetWindowTreeObserver, // data: MAlfCompositionAgnosticWindowTreeObserver*
+        EExternalize, // externalize complete state data: Todo
+        EInternalize  // reset the state from data data: Todo
+        };
+    
+    virtual void CommitL() = 0;
+    virtual void WriteIntsL(TUint8 aCommand, TInt aCount, TInt* aArray) = 0;
+    virtual RAlfBridgerClient* Client() = 0;
+    };
+
+#endif // _ALFRSUAPI_H_