--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mdfdevvideoextensions/nga_mdf_postprocessor_shai/inc/NGAPostProcSessionManager.h	Thu Sep 16 18:57:38 2010 +0100
@@ -0,0 +1,99 @@
+/*
+* 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 __NGAPOSTPROCSESSIONMANAGER_H__
+#define __NGAPOSTPROCSESSIONMANAGER_H__
+
+#include <graphics/surface.h> //TSurfaceId
+#include <graphics/surfacemanager.h> //RSurfaceManager
+#include <e32std.h>
+#include <e32base.h>
+
+class RSurfaceUpdateSession;
+class MNGAPostProcSessionManagerObserver;
+class CNGAPostProcNotifier;
+
+class CNGAPostProcSessionManager: public CBase
+{
+friend class CNGAPostProcNotifier;
+
+public: 
+    //  === Constructors and destructor ===
+    /**
+    * Two-phased constructor.   
+    * @return pointer to an instance of CNGAPostProcSessionManager
+    */
+    static CNGAPostProcSessionManager* NewL();
+
+    /**
+    * Destructor.
+    */
+    ~CNGAPostProcSessionManager();
+
+public: 
+    
+    /**
+    submits buffer to GCE for displaying.
+
+    @param  "aBufId"   "ID of the buffer that needs to be displayed."
+    @pre    "This method can only be called before the hwdevice has been initialized with Initialize()."
+    */
+    TInt PostPicture(const TSurfaceId& aSurfaceId, TInt aBufId, TBool aNotifyRequired);
+
+    
+    
+    /**
+	Removes display from the system, if it is already existing. 
+
+    @param  "aDisplayId"  "ID of the display that needs to be removed from the system"
+    */
+    void HandleBufferRelease(TInt aBufId, TInt aStatus);
+    
+    /**
+	Removes display from the system, if it is already existing. 
+
+    @param  "aDisplayId"  "ID of the display that needs to be removed from the system"
+    */
+    void SetObserver(MNGAPostProcSessionManagerObserver& aObserver);
+	  
+	
+	void CreateNotifierL(TInt aNumSurfaceBuffers);
+	
+	void CancelNotifiers(); 
+	  
+protected:
+	CNGAPostProcSessionManager();
+    /**
+     *  Symbian 2nd phase constructor .
+     */
+    void ConstructL();
+
+private:
+    /**
+    Cancels Surface Update Notifications
+    */
+    void CancelUpdate();
+    
+private: 
+
+    RSurfaceUpdateSession*      			iSurfaceUpdateSession;
+    MNGAPostProcSessionManagerObserver*		iObserver;
+    RPointerArray<CNGAPostProcNotifier>		iAOList;
+};    
+
+#endif //__NGAPOSTPROCSESSIONMANAGER_H__
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