sl@0: /*
sl@0: * Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
sl@0: * All rights reserved.
sl@0: * This component and the accompanying materials are made available
sl@0: * under the terms of "Eclipse Public License v1.0"
sl@0: * which accompanies this distribution, and is available
sl@0: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: *
sl@0: * Initial Contributors:
sl@0: * Nokia Corporation - initial contribution.
sl@0: *
sl@0: * Contributors:
sl@0: *
sl@0: * Description:
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0: #ifndef __NGAPOSTPROCSESSIONMANAGER_H__
sl@0: #define __NGAPOSTPROCSESSIONMANAGER_H__
sl@0: 
sl@0: #include <graphics/surface.h> //TSurfaceId
sl@0: #include <graphics/surfacemanager.h> //RSurfaceManager
sl@0: #include <e32std.h>
sl@0: #include <e32base.h>
sl@0: 
sl@0: class RSurfaceUpdateSession;
sl@0: class MNGAPostProcSessionManagerObserver;
sl@0: class CNGAPostProcNotifier;
sl@0: 
sl@0: class CNGAPostProcSessionManager: public CBase
sl@0: {
sl@0: friend class CNGAPostProcNotifier;
sl@0: 
sl@0: public: 
sl@0:     //  === Constructors and destructor ===
sl@0:     /**
sl@0:     * Two-phased constructor.   
sl@0:     * @return pointer to an instance of CNGAPostProcSessionManager
sl@0:     */
sl@0:     static CNGAPostProcSessionManager* NewL();
sl@0: 
sl@0:     /**
sl@0:     * Destructor.
sl@0:     */
sl@0:     ~CNGAPostProcSessionManager();
sl@0: 
sl@0: public: 
sl@0:     
sl@0:     /**
sl@0:     submits buffer to GCE for displaying.
sl@0: 
sl@0:     @param  "aBufId"   "ID of the buffer that needs to be displayed."
sl@0:     @pre    "This method can only be called before the hwdevice has been initialized with Initialize()."
sl@0:     */
sl@0:     TInt PostPicture(const TSurfaceId& aSurfaceId, TInt aBufId, TBool aNotifyRequired);
sl@0: 
sl@0:     
sl@0:     
sl@0:     /**
sl@0: 	Removes display from the system, if it is already existing. 
sl@0: 
sl@0:     @param  "aDisplayId"  "ID of the display that needs to be removed from the system"
sl@0:     */
sl@0:     void HandleBufferRelease(TInt aBufId, TInt aStatus);
sl@0:     
sl@0:     /**
sl@0: 	Removes display from the system, if it is already existing. 
sl@0: 
sl@0:     @param  "aDisplayId"  "ID of the display that needs to be removed from the system"
sl@0:     */
sl@0:     void SetObserver(MNGAPostProcSessionManagerObserver& aObserver);
sl@0: 	  
sl@0: 	
sl@0: 	void CreateNotifierL(TInt aNumSurfaceBuffers);
sl@0: 	
sl@0: 	void CancelNotifiers(); 
sl@0: 	  
sl@0: protected:
sl@0: 	CNGAPostProcSessionManager();
sl@0:     /**
sl@0:      *  Symbian 2nd phase constructor .
sl@0:      */
sl@0:     void ConstructL();
sl@0: 
sl@0: private:
sl@0:     /**
sl@0:     Cancels Surface Update Notifications
sl@0:     */
sl@0:     void CancelUpdate();
sl@0:     
sl@0: private: 
sl@0: 
sl@0:     RSurfaceUpdateSession*      			iSurfaceUpdateSession;
sl@0:     MNGAPostProcSessionManagerObserver*		iObserver;
sl@0:     RPointerArray<CNGAPostProcNotifier>		iAOList;
sl@0: };    
sl@0: 
sl@0: #endif //__NGAPOSTPROCSESSIONMANAGER_H__