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