/*

 * Copyright (c) 2002 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:    CSvgtRasterizerOOMPropertyMonitor class for OOM implementation.

 *

 */

#include "SvgtRasterizerOOMPropertyMonitor.h"

#include <graphics/fbsrasterizer.h>

#include <graphics/fbsrasterizerclearcache.h>

#include "SvgtRasterizerCacheLimitHandler.h"

#include <fbs.h>

//#include <e32debug.h>

CSvgtRasterizerOOMPropertyMonitor* CSvgtRasterizerOOMPropertyMonitor::NewL()

    {

    CSvgtRasterizerOOMPropertyMonitor* self = new (ELeave) CSvgtRasterizerOOMPropertyMonitor();

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop();

    return self;

    }

CSvgtRasterizerOOMPropertyMonitor::CSvgtRasterizerOOMPropertyMonitor()

: CActive(CActive::EPriorityStandard)

            {

            if (CActiveScheduler::Current())

                {

                CActiveScheduler::Add(this);

                }

            }

CSvgtRasterizerOOMPropertyMonitor::~CSvgtRasterizerOOMPropertyMonitor()

    {

    if (CActiveScheduler::Current())

        {    

        Cancel();

        }

    iOomWatcher.Close();

    } 

void CSvgtRasterizerOOMPropertyMonitor::ConstructL()

    {

    if (CActiveScheduler::Current())    

        {

        User::LeaveIfError(iOomWatcher.Attach(KSvgtPropertyCategory, ESvgtPropertyBool));

        Queue();

        }

    }

void CSvgtRasterizerOOMPropertyMonitor::RunL()

    {

    TBool changeCacheLimit=ETrue;

    iOomWatcher.Get(changeCacheLimit);

    iRasterizer = CFbsBitmap::Rasterizer();

    if(!changeCacheLimit)

        {

        MFbsRasterizerClearCache* cacheInterfacePtr = NULL;

        iRasterizer->GetInterface(TUid::Uid(KUidFbsRasterizerClearCache), (TAny*&)cacheInterfacePtr);

        if(cacheInterfacePtr)

            cacheInterfacePtr->ClearCache();

        }

    MSvgtRasterizerCacheLimitHandler* interfacePtr = NULL;

    iRasterizer->GetInterface(TUid::Uid(KUidEnableSvgtRasterizer), (TAny*&)interfacePtr);

    if(interfacePtr)

        interfacePtr->ChangeCacheLimit(changeCacheLimit);

    Queue();

    }

void CSvgtRasterizerOOMPropertyMonitor::DoCancel()

    {

    iOomWatcher.Cancel();

    }

void CSvgtRasterizerOOMPropertyMonitor::Queue()

    {

    if (!IsActive())

        {

        iOomWatcher.Subscribe(iStatus);

        SetActive();

        }

    }