/*

* Copyright (c) 2010 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:  Graphics-Out-Of-Memory plugin for Font and Bitmap server.

*

*/

#include <ecom/ecom.h>

#include <ecom/implementationproxy.h>

#include <graphics/fbsoogmmessage.h>

#include <w32std.h>

#include <FBS.H>

#include "fbsoogmplugin.h"

#include "OstTraceDefinitions.h"

#ifdef OST_TRACE_COMPILER_IN_USE

#include "fbsoogmpluginTraces.h"

#endif

/**

 Called by the GOoM monitor framework in the case of low GPU memory.

 Note: In the case of failure, this framework method will do so silently.

 @param aBytesToFree The amount of GPU memory to be freed.

 */

void CFbsOogmMonitorPlugin::FreeRam( TInt aBytesToFree, TInt aFlags )

    {

    OstTrace0( TRACE_NORMAL, CFBSOOGMMONITORPLUGIN_FREERAM, "> " );

    if ( (NULL == RFbsSession::GetSession()) )

         {

         if ( KErrNone != RFbsSession::Connect() )

             {

             OstTrace0( TRACE_NORMAL, DUP2_CFBSOOGMMONITORPLUGIN_FREERAM, "< No FbsSession" );

             return;

             }

         }

    TFbsOogmMessage oogmMessage( TFbsOogmMessage::EFbsOogmLowNotification, aBytesToFree, aFlags );

    (void)RFbsSession::GetSession()->ConveyOogmMessage( oogmMessage );

    OstTrace0( TRACE_NORMAL, DUP1_CFBSOOGMMONITORPLUGIN_FREERAM, "< " );

    }

/**

 Called by the GOoM monitor framework in the case of normal GPU memory-usage being permissible.

 Note: In the case of failure, this framework method will do so silently.

 */

void CFbsOogmMonitorPlugin::MemoryGood( TInt aFlags )

    {

    OstTrace0( TRACE_NORMAL, CFBSOOGMMONITORPLUGIN_MEMORYGOOD, ">" );

    if ( (NULL == RFbsSession::GetSession()) )

         {

        if ( KErrNone != RFbsSession::Connect() )

            {

            OstTrace0( TRACE_NORMAL, DUP2_CFBSOOGMMONITORPLUGIN_MEMORYGOOD, "< No FbsSession" );

            return;

            }

         }

    const TInt KOogmDummyIntegerArgument = 0;

    TFbsOogmMessage oogmMessage( TFbsOogmMessage::EFbsOogmOkayNotification, KOogmDummyIntegerArgument, aFlags );

    (void)RFbsSession::GetSession()->ConveyOogmMessage( oogmMessage );

	OstTrace0( TRACE_NORMAL, DUP1_CFBSOOGMMONITORPLUGIN_MEMORYGOOD, "<" );

    }

/**

 */

CFbsOogmMonitorPlugin::CFbsOogmMonitorPlugin()

    {

    }

/**

 */

CFbsOogmMonitorPlugin::~CFbsOogmMonitorPlugin()

    {

    RFbsSession::Disconnect();

    }

/**

 */

void CFbsOogmMonitorPlugin::ConstructL()

    {

    CGOomMonitorPluginBase::ConstructL();

    }

/**

 */

TAny* CreatePlugin()

    {

    CFbsOogmMonitorPlugin* self = new CFbsOogmMonitorPlugin;

    if ( self )

        {

        TRAPD( err, self->ConstructL() );

        if ( err != KErrNone )

            {

            delete self;

            self = NULL;

            }

        }

    return self;

    }

/**

 */

const TImplementationProxy ImplementationTable[] =

    {

    { {0x2002B638}, ::CreatePlugin }

    };

/**

 */

EXPORT_C const TImplementationProxy* ImplementationGroupProxy( TInt& aTableCount )

    {

    OstTrace0( TRACE_NORMAL, _IMPLEMENTATIONGROUPPROXY, "> ::ImplementationGroupProxy" );

    aTableCount = sizeof( ImplementationTable ) / sizeof( TImplementationProxy ) ;

    return ImplementationTable;

    }