/*

* Copyright (c) 2007-2008 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:  OOM plugin for skin server.

*

*/

#include <ecom/ecom.h>

#include <ecom/implementationproxy.h>

#include <oommonitorplugin.h>

#include <AknsSrvClient.h>

#include <w32std.h>

class CAknSkinsOomMonitorPlugin : public COomMonitorPlugin

    {

public:

    CAknSkinsOomMonitorPlugin();

    ~CAknSkinsOomMonitorPlugin();

    void ConstructL();

public:

    void FreeRam();

    void MemoryGood();

private:

    RAknsSrvSession iSkinSrvSession;

    };

// -----------------------------------------------------------------------------

// C++ constructor.

// -----------------------------------------------------------------------------

//

CAknSkinsOomMonitorPlugin::CAknSkinsOomMonitorPlugin()

    {

    }

// -----------------------------------------------------------------------------

// Destructor.

// -----------------------------------------------------------------------------

//

CAknSkinsOomMonitorPlugin::~CAknSkinsOomMonitorPlugin()

    {

    iSkinSrvSession.Close();

    }

// -----------------------------------------------------------------------------

// Symbian two-phased constructor (2nd phase).

// -----------------------------------------------------------------------------

//

void CAknSkinsOomMonitorPlugin::ConstructL()

    {

    COomMonitorPlugin::ConstructL();

    User::LeaveIfError( iSkinSrvSession.Connect() );

    }

// -----------------------------------------------------------------------------

// Gets display type.

// -----------------------------------------------------------------------------

//

TAknsSrcScreenMode GetDisplayTypeL(RWsSession& aSession)

    {

    CWsScreenDevice* sc = new (ELeave) CWsScreenDevice(aSession);

    CleanupStack::PushL(sc);

    sc->Construct();

    TSize screensize(0,0);

    screensize = sc->SizeInPixels();

    CleanupStack::PopAndDestroy();// screendevice

    if (screensize.iWidth > screensize.iHeight)

        {

        return EAknsSrvScrModeLandscape;

        }

    else if (screensize.iWidth < screensize.iHeight)

        {

        return EAknsSrvScrModePortrait;

        }

    else // square

        {

        return EAknsSrvScrModeSquare;

        }

    }

// -----------------------------------------------------------------------------

// Tries to free RAM.

// -----------------------------------------------------------------------------

//

void CAknSkinsOomMonitorPlugin::FreeRam()

    {

    TInt err(KErrNone);

    TAknsSrcScreenMode mode = EAknsSrvScrModeSquare;

    TRAP(err, mode = GetDisplayTypeL(WsSession()));

    if (mode != EAknsSrvScrModeSquare)

        {

#if defined(_DEBUG)

        RDebug::Print(_L("CAknSkinsOomMonitorPlugin: Starting to free memory, mode %d"), mode);

#endif

        iSkinSrvSession.FreeUnnecessaryLayoutBitmaps(mode);

        }

    }

// -----------------------------------------------------------------------------

// CAknSkinsOomMonitorPlugin::MemoryGood

// -----------------------------------------------------------------------------

//

void CAknSkinsOomMonitorPlugin::MemoryGood()

    {

    }

// -----------------------------------------------------------------------------

// Creates plugin.

// -----------------------------------------------------------------------------

//

TAny* CreatePlugin()

    {

    CAknSkinsOomMonitorPlugin* plugin = new(ELeave) CAknSkinsOomMonitorPlugin;

    CleanupStack::PushL(plugin);

    plugin->ConstructL();

    CleanupStack::Pop(plugin);

    return plugin;

    }

// -----------------------------------------------------------------------------

// Implementation table for plugin.

// -----------------------------------------------------------------------------

//

const TImplementationProxy ImplementationTable[] =

    {

    {{0x10207140}, ::CreatePlugin}

    };

// -----------------------------------------------------------------------------

// ImplementationGroupProxy

// -----------------------------------------------------------------------------

//

EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)

    {

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

    return ImplementationTable;

    }

// End of file