// 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);

	}