// Copyright (c) 2007-2009 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 <e32uid.h>

 #include <e32svr.h>

 #include <u32hal.h>

 #include <fbs.h>

 #include "UTILS.H"

 #include "fbshelper.h"

 #include "fbsrasterizer.h"

 #include "FbsMessage.H"

 GLREF_C void Panic(TFbsPanic aPanic);

 CFbsSessionHelper::CFbsSessionHelper(RFbsSession& aFbs)

 	: CActive(CActive::EPriorityIdle), iFbs(aFbs)

 	{

 	if (CActiveScheduler::Current() != NULL)

 		CActiveScheduler::Add(this);

 #ifdef __WINS__

 	TUint8* rasterizerSetting = NULL;

 	UserSvr::HalFunction(EHalGroupEmulator, EEmulatorHalStringProperty, (TAny*)"FBSRASTERIZER_DLL", &rasterizerSetting);

 	if (rasterizerSetting)

 		{

 		TBuf<80> rasterizerName;

 		rasterizerName.Copy(TPtrC8(rasterizerSetting));

 		const TUidType KFbsRasterizerLibraryUidType(KDynamicLibraryUid, KSharedLibraryUid, KFbsRasterizerLibraryUid);

 		TInt err = iRasterizerLib.Load(rasterizerName, KFbsRasterizerLibraryUidType);

 		if (err == KErrNone)

 			{

 			CFbsRasterizer* (*create)() = reinterpret_cast<CFbsRasterizer*(*)()>(iRasterizerLib.Lookup(1));

 			iRasterizer = create();

 			}

 #ifdef _DEBUG

 		else

 			{

 			RDebug::Printf("Failed to load extended bitmap rasterizer %s\r\n", rasterizerSetting);

 			}

 #endif

 		}

 	// else do nothing, as rasterizer is optional

 #else

 	iRasterizer = CFbsRasterizer::New();

 #endif

 #ifdef SYMBIAN_DEBUG_FBS_LOCKHEAP

 	TInt err = iDebugMutex.OpenGlobal(KFBSERVDebugMutexName, EOwnerThread);

 	if (err != KErrNone)

 		Panic(EFbsPanicChunkError);

 #endif

 	}

 CFbsSessionHelper::~CFbsSessionHelper()

 	{

 	if (IsAdded())

 		Cancel();

 	iBitmaps.Reset();

 	delete iRasterizer;

 #ifdef __WINS__

 	iRasterizerLib.Close();

 #endif

 #ifdef SYMBIAN_DEBUG_FBS_LOCKHEAP

 	iDebugMutex.Close();

 #endif

 	delete iExtraBuffer;

 	}

 TInt CFbsSessionHelper::AddBitmap(CFbsBitmap& aBitmap)

 	{

 	if (IsAdded())

 		{

 		TInt err = iBitmaps.InsertInAddressOrder(&aBitmap);

 		if (err == KErrNone && !IsActive())

 			{

 			SetActive();

 			iFbs.SendCommand(EFbsMessBitmapNotifyDirty, TIpcArgs(), iStatus);

 			}

 		return err;

 		}

 	return KErrNone;

 	}

 void CFbsSessionHelper::RemoveBitmap(CFbsBitmap& aBitmap)

 	{

 	if (IsAdded())

 		{

 		TInt index = iBitmaps.FindInAddressOrder(&aBitmap);

 		if (index != KErrNotFound)

 			{

 			iBitmaps.Remove(index);

 			if (iBitmaps.Count() == 0)

 				Cancel();

 			}

 		}

 	}

 void CFbsSessionHelper::RunL()

 	{

 	if (iStatus == KErrNone && iBitmaps.Count() > 0)

 		{

 		for (TInt i = 0; i < iBitmaps.Count(); ++i)

 			(void)iBitmaps[i]->CleanAddress();

 		SetActive();

 		iFbs.SendCommand(EFbsMessBitmapNotifyDirty, TIpcArgs(), iStatus);

 		}

 	}

 void CFbsSessionHelper::DoCancel()

 	{

 	iFbs.SendCommand(EFbsMessBitmapCancelNotifyDirty);

 	}