--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uifw/EikStd/coctlinc/gfxtransextension.h	Tue Feb 02 01:00:49 2010 +0200
@@ -0,0 +1,117 @@
+/*
+* Copyright (c) 2007 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:  Utility class for passing data between controls.
+*
+*/
+
+
+#ifndef __GFX_TRANS_EXTENSION_H__
+#define __GFX_TRANS_EXTENSION_H__
+
+#include <coemain.h>
+#include <gfxtranseffect/gfxtranseffect.h>
+
+const TUid KGfxTransExtensionUid = { 0x10282E4B };
+
+class MAknTransitionUtilsObserver
+    {
+public:
+    virtual TInt AknTransitionCallback(TInt aEvent, TInt aState = 0, 
+                                       const TDesC8* aParams = NULL) = 0;
+	};
+
+NONSHARABLE_CLASS( CGfxTransExtension ) : public CCoeStatic, 
+                                          public MGfxTransEffectObserver
+    {
+    public:
+    enum TEvents
+        { 
+        // Binary flags
+        ENone = 0x0,
+        EEventWsBufferRedirection = 0x1,
+        EEventControlTransitionFinished = 0x2
+		};
+
+    ~CGfxTransExtension();
+
+    static TInt AddObserver( MAknTransitionUtilsObserver* aObserver,
+                             TInt aEvent,
+                             const TDesC8* aParams = NULL );
+    static TInt RemoveObserver( MAknTransitionUtilsObserver* aObserver,
+                                TInt aEvent );
+    static TInt GetState(TInt aEvent, TInt* aState, TDes8* aParams = NULL);
+
+    // From MGfxTransEffectObserver
+    void TransitionFinished( const CCoeControl* aControl, TUint aAction );
+
+
+    static TInt SetData( const TInt aKey, const TDesC8* aData );
+    static const TDesC8* GetData( const TInt aKey );
+    static void RemoveData( const TInt aKey );
+
+//    static void SetAllParents( const CCoeControl* aControl );
+    
+    private:
+    CGfxTransExtension();
+
+    /**
+     * Returns the CGfxTransExtension singleton.
+     *
+     * The CGfxTransExtension singleton, or NULL or error.
+     */    
+    static CGfxTransExtension* Static();
+
+
+  
+    struct TDataEntry
+        {
+        TDataEntry( const TInt iKey, const TDesC8* aData );
+        
+        static TBool SameKey( const TDataEntry& aEntry1, 
+                              const TDataEntry& aEntry2 );
+
+        const TInt iKey;
+        const TDesC8* iData;
+        };
+        
+    struct TTransitionObserver
+        {
+        TTransitionObserver( const TInt iKey, TInt iEventType,
+                             MAknTransitionUtilsObserver* aObserver );
+ 
+        static TBool SameKey( const TTransitionObserver& aObserver1,
+                              const TTransitionObserver& aObserver2 );
+
+        static TBool Equal( const TTransitionObserver& aObserver1,
+                            const TTransitionObserver& aObserver2 );
+
+        const TEvents iEventType;        
+        const TInt iKey;
+        MAknTransitionUtilsObserver* iObserver;
+        };
+
+
+    // FIXME: Change these RArrays to RPointerArrays, and we can
+    // move TDataEntry and TTransitionObserver to the .cpp file.
+    
+    // Owns the user data, ownership is transferred with SetData().
+    RArray<TDataEntry> iUserData;
+
+
+    // FIXME: This class shouldn't own the observers!
+    RArray<TTransitionObserver> iObservers;
+    TInt iNumControlTransitionObservers;
+    };
+
+#endif // __GFX_TRANS_EXTENSION_H__