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/*
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* Copyright (c) 2006 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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#include <e32base.h>
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#include <graphics/surfaceupdateclient.h> //RSurfaceUpdateSession
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#include <graphics/surfacemanager.h> //RSurfaceManager
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#include <graphics/suerror.h> //KAllScreens
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#include "NGAPostProcSessionManager.h"
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#include "NGAPostProcSessionManagerObserver.h"
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#include "MdfRDebug.h"
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#include "NGAPostProcNotifier.h"
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// --- Constants ---
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const TInt KMessageSlots = 4;
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//**************************************************
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CNGAPostProcSessionManager* CNGAPostProcSessionManager::NewL()
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{
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PP_DEBUG(_L("CNGAPostProcSessionManager:NewL() ++"));
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CNGAPostProcSessionManager* self = new (ELeave) CNGAPostProcSessionManager;
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CleanupStack::PushL(self);
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self->ConstructL();
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CleanupStack::Pop();
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PP_DEBUG(_L("CNGAPostProcSessionManager:NewL() --"));
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return self;
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}
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CNGAPostProcSessionManager::CNGAPostProcSessionManager()
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:iSurfaceUpdateSession(NULL),
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iObserver(NULL)
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{
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}
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void CNGAPostProcSessionManager::ConstructL()
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{
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PP_DEBUG(_L("CNGAPostProcSessionManager[%x]:ConstructL() ++"), this);
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iSurfaceUpdateSession = new (ELeave) RSurfaceUpdateSession();
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User::LeaveIfError(iSurfaceUpdateSession->Connect(KMessageSlots));
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PP_DEBUG(_L("CNGAPostProcSessionManager[%x]:ConstructL() --"), this);
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}
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void CNGAPostProcSessionManager::CreateNotifierL(TInt aNumSurfaceBuffers)
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{
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PP_DEBUG(_L("CNGAPostProcSessionManager[%x]:CreateNotifierL() ++"), this);
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CNGAPostProcNotifier* notifier;
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for(TInt index = 0; index < aNumSurfaceBuffers; ++index)
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{
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notifier = CNGAPostProcNotifier::NewL(*this);
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CleanupStack::PushL(notifier);
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iAOList.AppendL(notifier);
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CleanupStack::Pop();
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}
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PP_DEBUG(_L("CNGAPostProcSessionManager[%x]:CreateNotifierL() --"), this);
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}
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CNGAPostProcSessionManager::~CNGAPostProcSessionManager()
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{
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PP_DEBUG(_L("CNGAPostProcSessionManager[%x]:~() ++"), this);
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//Its safer to destry notifiers before surfaceupdatesession object since notifiers
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//guarantee synchronous cancellation.
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iAOList.ResetAndDestroy();
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if(iSurfaceUpdateSession)
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{
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CancelUpdate();
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iSurfaceUpdateSession->Close();
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delete iSurfaceUpdateSession;
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iSurfaceUpdateSession = NULL;
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}
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PP_DEBUG(_L("CNGAPostProcSessionManager[%x]:~() --"), this);
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}
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TInt CNGAPostProcSessionManager::PostPicture(const TSurfaceId& aSurfaceId,
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TInt aBufId, TBool aNotifyRequired)
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{
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PP_DEBUG(_L("CNGAPostProcSessionManager[%x]:PostPicture() ++"), this);
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TInt err = KErrNone;
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if(aNotifyRequired)
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{
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CNGAPostProcNotifier* notifier = NULL;
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for(TInt j=0; j < iAOList.Count(); j++)
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{
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//notifier = iAOList[j];
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if(!iAOList[j]->IsActive())
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{
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notifier = iAOList[j];
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iAOList.Remove(j);
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//iAOList.Compress(); //why this is required? may create fragmentation.
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break;
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}
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}
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if(!notifier)
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{
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return KErrInUse;
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}
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notifier->SetBufferId(aBufId);
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notifier->Activate();
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iSurfaceUpdateSession->NotifyWhenAvailable(notifier->iStatus);
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iAOList.Append(notifier);
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}
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err = iSurfaceUpdateSession->SubmitUpdate(KAllScreens, aSurfaceId, aBufId);
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PP_DEBUG(_L("CNGAPostProcSessionManager[%x]:PostPicture() -- err = %d"), this, err);
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return err;
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}
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void CNGAPostProcSessionManager::CancelUpdate()
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{
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PP_DEBUG(_L("CNGAPostProcSessionManager[%x]:CancelUpdate() ++"), this);
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iSurfaceUpdateSession->CancelAllUpdateNotifications();
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PP_DEBUG(_L("CNGAPostProcSessionManager[%x]:CancelUpdate() --"), this);
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}
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void CNGAPostProcSessionManager::CancelNotifiers()
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{
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PP_DEBUG(_L("CNGAPostProcSessionManager[%x]:CancelNotifiers() ++"), this);
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TInt notifierCount = iAOList.Count();
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for (TInt i = notifierCount - 1; i >= 0; --i) //reverse loop since the active notifier is appended to the list
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{
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if (iAOList[i]->IsActive())
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{
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iAOList[i]->Cancel();
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}
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else
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{
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break;
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}
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}
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PP_DEBUG(_L("CNGAPostProcSessionManager[%x]:CancelNotifiers() --"), this);
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}
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void CNGAPostProcSessionManager::HandleBufferRelease(TInt aBufId, TInt aStatus)
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{
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PP_DEBUG(_L("CNGAPostProcSessionManager[%x]:HandleBufferRelease() ++"), this);
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if(iObserver)
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{
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iObserver->BufferAvailable(aBufId, aStatus);
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}
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PP_DEBUG(_L("CNGAPostProcSessionManager[%x]:HandleBufferRelease() --"), this);
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}
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void CNGAPostProcSessionManager::SetObserver(MNGAPostProcSessionManagerObserver& aObserver)
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{
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PP_DEBUG(_L("CNGAPostProcSessionManager[%x]:SetClockSource() ++"), this);
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iObserver = &aObserver;
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PP_DEBUG(_L("CNGAPostProcSessionManager[%x]:SetClockSource() --"), this);
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}
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