--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mdfdevvideoextensions/nga_mdf_postprocessor/src/NGAPostProcSessionManager.cpp	Tue Feb 02 01:56:55 2010 +0200
@@ -0,0 +1,149 @@
+/*
+* Copyright (c) 2006 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:
+*
+*/
+
+
+#include <e32base.h>
+#include <graphics/surfaceupdateclient.h> //RSurfaceUpdateSession
+#include <graphics/surfacemanager.h> //RSurfaceManager
+#include <graphics/suerror.h> //KAllScreens
+ 
+#include "NGAPostProcSessionManager.h" 
+#include "NGAPostProcSessionManagerObserver.h"
+#include "MdfRDebug.h"
+#include "NGAPostProcNotifier.h"
+
+// --- Constants ---
+const TInt KMessageSlots      = 4; 
+
+//**************************************************
+
+CNGAPostProcSessionManager* CNGAPostProcSessionManager::NewL() 
+{ 
+   PP_DEBUG(_L("CNGAPostProcSessionManager:NewL() ++"));
+
+    CNGAPostProcSessionManager* self = new (ELeave) CNGAPostProcSessionManager; 
+    CleanupStack::PushL(self);
+    self->ConstructL(); 
+    CleanupStack::Pop();
+
+   PP_DEBUG(_L("CNGAPostProcSessionManager:NewL() --"));
+    return self; 
+}
+
+CNGAPostProcSessionManager::CNGAPostProcSessionManager() 
+:iSurfaceUpdateSession(NULL),
+ iObserver(NULL)
+ 
+{
+}
+
+void CNGAPostProcSessionManager::ConstructL() 
+{ 
+   PP_DEBUG(_L("CNGAPostProcSessionManager[%x]:ConstructL() ++"), this);
+    
+    iSurfaceUpdateSession = new (ELeave) RSurfaceUpdateSession();
+    User::LeaveIfError(iSurfaceUpdateSession->Connect(KMessageSlots));
+    
+   PP_DEBUG(_L("CNGAPostProcSessionManager[%x]:ConstructL() --"), this);
+}
+
+CNGAPostProcSessionManager::~CNGAPostProcSessionManager()
+{
+   PP_DEBUG(_L("CNGAPostProcSessionManager[%x]:~() ++"), this);
+    if(iSurfaceUpdateSession)
+    {
+    	iSurfaceUpdateSession->Close();
+    	delete iSurfaceUpdateSession;
+    	iSurfaceUpdateSession = NULL;
+	}
+	while (iAOList.Count()>0)
+    {
+        CNGAPostProcNotifier* notifier = iAOList[0];
+        iAOList.Remove(0);
+        delete notifier;
+    }
+    
+	iAOList.Reset();
+    iAOList.Close();
+    
+   PP_DEBUG(_L("CNGAPostProcSessionManager[%x]:~() --"), this);
+}
+
+void CNGAPostProcSessionManager::PostPicture(const TSurfaceId& aSurfaceId,
+								TInt aBufId, TInt aNumOfBuf, TBool aNotifyRequired) 
+{ 
+   PP_DEBUG(_L("CNGAPostProcSessionManager[%x]:PostPicture() ++"), this);
+   TInt err = KErrNone;
+	if(aNotifyRequired)
+	{
+	    CNGAPostProcNotifier* iNotifier;
+	    if ( iAOList.Count() <= aNumOfBuf )
+		{
+			TRAP(err, iNotifier = CNGAPostProcNotifier::NewL(*this));
+	    	if (err != KErrNone)
+	    	{
+	    	   PP_DEBUG(_L("CNGAPostProcHwDevice[%x]:Initialize -- failed to create CNGAPostProcNotifier %d."), this, err);
+	    	   return;
+	    	}
+		}
+		else
+		{
+		for(TInt j=0; j < iAOList.Count(); j++)
+			{
+				iNotifier = iAOList[j];
+				if(!iNotifier->IsActive())
+				{
+					iAOList.Remove(j);
+					iAOList.Compress();
+					break;
+				}
+			}
+		}
+		iNotifier->SetBufferId(aBufId);
+		iNotifier->Activate();
+		iSurfaceUpdateSession->NotifyWhenAvailable(iNotifier->iStatus);
+		iAOList.Append(iNotifier);
+	}
+	iSurfaceUpdateSession->SubmitUpdate(KAllScreens, aSurfaceId, aBufId);
+
+   PP_DEBUG(_L("CNGAPostProcSessionManager[%x]:PostPicture() -- "), this);
+}
+
+void CNGAPostProcSessionManager::CancelUpdate() 
+{ 
+   PP_DEBUG(_L("CNGAPostProcSessionManager[%x]:SetClockSource() ++"), this);
+	iSurfaceUpdateSession->CancelAllUpdateNotifications();
+   PP_DEBUG(_L("CNGAPostProcSessionManager[%x]:SetClockSource() --"), this);
+}
+
+void CNGAPostProcSessionManager::HandleBufferRelease(TInt aBufId, TInt aStatus) 
+{ 
+   PP_DEBUG(_L("CNGAPostProcSessionManager[%x]:HandleBufferRelease() ++"), this);
+    if(iObserver)
+    {
+		iObserver->BufferAvailable(aBufId, aStatus);
+	}
+   PP_DEBUG(_L("CNGAPostProcSessionManager[%x]:HandleBufferRelease() --"), this);
+}
+
+void CNGAPostProcSessionManager::SetObserver(MNGAPostProcSessionManagerObserver& aObserver) 
+{ 
+   PP_DEBUG(_L("CNGAPostProcSessionManager[%x]:SetClockSource() ++"), this);
+	iObserver = &aObserver;
+   PP_DEBUG(_L("CNGAPostProcSessionManager[%x]:SetClockSource() --"), this);
+}
+