1 /*

     2 * Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    17 

    18 

    19 #ifndef __NGAPOSTPROCSESSIONMANAGER_H__

    20 #define __NGAPOSTPROCSESSIONMANAGER_H__

    21 

    22 #include <graphics/surface.h> //TSurfaceId

    23 #include <graphics/surfacemanager.h> //RSurfaceManager

    24 #include <e32std.h>

    25 #include <e32base.h>

    26 

    27 class RSurfaceUpdateSession;

    28 class MNGAPostProcSessionManagerObserver;

    29 class CNGAPostProcNotifier;

    30 

    31 class CNGAPostProcSessionManager

    32 {

    33 

    34 public: 

    35     //  === Constructors and destructor ===

    36     /**

    37     * Two-phased constructor.   

    38     * @return pointer to an instance of CNGAPostProcSessionManager

    39     */

    40     static CNGAPostProcSessionManager* NewL();

    41 

    42     /**

    43     * Destructor.

    44     */

    45     ~CNGAPostProcSessionManager();

    46 

    47 public: 

    48     

    49     /**

    50     submits buffer to GCE for displaying.

    51 

    52     @param  "aBufId"   "ID of the buffer that needs to be displayed."

    53     @pre    "This method can only be called before the hwdevice has been initialized with Initialize()."

    54     */

    55     void PostPicture(const TSurfaceId& aSurfaceId, TInt aBufId, TInt aNumOfBuf, TBool aNotifyRequired);

    56 

    57     /**

    58     Sets the device output format.

    59     */

    60     void CancelUpdate();

    61     

    62     /**

    63 	Removes display from the system, if it is already existing. 

    64 

    65     @param  "aDisplayId"  "ID of the display that needs to be removed from the system"

    66     */

    67     void HandleBufferRelease(TInt aBufId, TInt aStatus);

    68     

    69     /**

    70 	Removes display from the system, if it is already existing. 

    71 

    72     @param  "aDisplayId"  "ID of the display that needs to be removed from the system"

    73     */

    74     void SetObserver(MNGAPostProcSessionManagerObserver& aObserver);

    75 	    

    76 protected:

    77 	CNGAPostProcSessionManager();

    78     /**

    79      *  Symbian 2nd phase constructor .

    80      */

    81     void ConstructL();

    82 

    83     

    84 private: 

    85 

    86     RSurfaceUpdateSession*      			iSurfaceUpdateSession;

    87     MNGAPostProcSessionManagerObserver*		iObserver;

    88     RArray<CNGAPostProcNotifier*>			iAOList;

    89 };    

    90 

    91 #endif //__NGAPOSTPROCSESSIONMANAGER_H__