1 /*

     2 * Copyright (c) 2006 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 #include <e32base.h>

    20 #include <graphics/surfaceupdateclient.h> //RSurfaceUpdateSession

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

    22 #include <graphics/suerror.h> //KAllScreens

    23  

    24 #include "NGAPostProcSessionManager.h" 

    25 #include "NGAPostProcSessionManagerObserver.h"

    26 #include "MdfRDebug.h"

    27 #include "NGAPostProcNotifier.h"

    28 

    29 // --- Constants ---

    30 const TInt KMessageSlots      = 4; 

    31 

    32 //**************************************************

    33 

    34 CNGAPostProcSessionManager* CNGAPostProcSessionManager::NewL() 

    35 { 

    36    PP_DEBUG(_L("CNGAPostProcSessionManager:NewL() ++"));

    37 

    38     CNGAPostProcSessionManager* self = new (ELeave) CNGAPostProcSessionManager; 

    39     CleanupStack::PushL(self);

    40     self->ConstructL(); 

    41     CleanupStack::Pop();

    42 

    43    PP_DEBUG(_L("CNGAPostProcSessionManager:NewL() --"));

    44     return self; 

    45 }

    46 

    47 CNGAPostProcSessionManager::CNGAPostProcSessionManager() 

    48 :iSurfaceUpdateSession(NULL),

    49  iObserver(NULL)

    50  

    51 {

    52 }

    53 

    54 void CNGAPostProcSessionManager::ConstructL() 

    55 { 

    56    PP_DEBUG(_L("CNGAPostProcSessionManager[%x]:ConstructL() ++"), this);

    57     

    58     iSurfaceUpdateSession = new (ELeave) RSurfaceUpdateSession();

    59     User::LeaveIfError(iSurfaceUpdateSession->Connect(KMessageSlots));

    60     

    61    PP_DEBUG(_L("CNGAPostProcSessionManager[%x]:ConstructL() --"), this);

    62 }

    63 

    64 CNGAPostProcSessionManager::~CNGAPostProcSessionManager()

    65 {

    66    PP_DEBUG(_L("CNGAPostProcSessionManager[%x]:~() ++"), this);

    67     if(iSurfaceUpdateSession)

    68     {

    69     	iSurfaceUpdateSession->Close();

    70     	delete iSurfaceUpdateSession;

    71     	iSurfaceUpdateSession = NULL;

    72 	}

    73 	while (iAOList.Count()>0)

    74     {

    75         CNGAPostProcNotifier* notifier = iAOList[0];

    76         iAOList.Remove(0);

    77         delete notifier;

    78     }

    79     

    80 	iAOList.Reset();

    81     iAOList.Close();

    82     

    83    PP_DEBUG(_L("CNGAPostProcSessionManager[%x]:~() --"), this);

    84 }

    85 

    86 void CNGAPostProcSessionManager::PostPicture(const TSurfaceId& aSurfaceId,

    87 								TInt aBufId, TInt aNumOfBuf, TBool aNotifyRequired) 

    88 { 

    89    PP_DEBUG(_L("CNGAPostProcSessionManager[%x]:PostPicture() ++"), this);

    90    TInt err = KErrNone;

    91 	if(aNotifyRequired)

    92 	{

    93 	    CNGAPostProcNotifier* iNotifier;

    94 	    if ( iAOList.Count() <= aNumOfBuf )

    95 		{

    96 			TRAP(err, iNotifier = CNGAPostProcNotifier::NewL(*this));

    97 	    	if (err != KErrNone)

    98 	    	{

    99 	    	   PP_DEBUG(_L("CNGAPostProcHwDevice[%x]:Initialize -- failed to create CNGAPostProcNotifier %d."), this, err);

   100 	    	   return;

   101 	    	}

   102 		}

   103 		else

   104 		{

   105 		for(TInt j=0; j < iAOList.Count(); j++)

   106 			{

   107 				iNotifier = iAOList[j];

   108 				if(!iNotifier->IsActive())

   109 				{

   110 					iAOList.Remove(j);

   111 					iAOList.Compress();

   112 					break;

   113 				}

   114 			}

   115 		}

   116 		iNotifier->SetBufferId(aBufId);

   117 		iNotifier->Activate();

   118 		iSurfaceUpdateSession->NotifyWhenAvailable(iNotifier->iStatus);

   119 		iAOList.Append(iNotifier);

   120 	}

   121 	iSurfaceUpdateSession->SubmitUpdate(KAllScreens, aSurfaceId, aBufId);

   122 

   123    PP_DEBUG(_L("CNGAPostProcSessionManager[%x]:PostPicture() -- "), this);

   124 }

   125 

   126 void CNGAPostProcSessionManager::CancelUpdate() 

   127 { 

   128    PP_DEBUG(_L("CNGAPostProcSessionManager[%x]:SetClockSource() ++"), this);

   129 	iSurfaceUpdateSession->CancelAllUpdateNotifications();

   130    PP_DEBUG(_L("CNGAPostProcSessionManager[%x]:SetClockSource() --"), this);

   131 }

   132 

   133 void CNGAPostProcSessionManager::HandleBufferRelease(TInt aBufId, TInt aStatus) 

   134 { 

   135    PP_DEBUG(_L("CNGAPostProcSessionManager[%x]:HandleBufferRelease() ++"), this);

   136     if(iObserver)

   137     {

   138 		iObserver->BufferAvailable(aBufId, aStatus);

   139 	}

   140    PP_DEBUG(_L("CNGAPostProcSessionManager[%x]:HandleBufferRelease() --"), this);

   141 }

   142 

   143 void CNGAPostProcSessionManager::SetObserver(MNGAPostProcSessionManagerObserver& aObserver) 

   144 { 

   145    PP_DEBUG(_L("CNGAPostProcSessionManager[%x]:SetClockSource() ++"), this);

   146 	iObserver = &aObserver;

   147    PP_DEBUG(_L("CNGAPostProcSessionManager[%x]:SetClockSource() --"), this);

   148 }

   149