/*

* Copyright (c) 2006 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:  GOOM Monitor plug-in interface.

*

*/

#include <apgwgnam.h>

#include "goommonitorplugin.h"

#include "goommemorymonitor.h"

#include "goomtraces.h"

// TLS is used to store the CMemoryMonitor pointer, CMemoryMonitor

// being the main object in the GOOM monitor thread. This allows

// plugins to access the CMemoryMonitor object easily.

EXPORT_C void SetGMemoryMonitorTls(CMemoryMonitor* aMonitor)

    {

    FUNC_LOG;

    Dll::SetTls(aMonitor);

    }

CMemoryMonitor* MemoryMonitorTls()

    {

    FUNC_LOG;

    return static_cast<CMemoryMonitor*>(Dll::Tls());

    }

void GOomMonitorPluginPanic(TGOomMonitorPluginPanic aReason)

    {

    FUNC_LOG;

    _LIT(KCat, "GOomMonitorPlugin");

    User::Panic(KCat, aReason);

    }

EXPORT_C CGOomMonitorPluginBase::CGOomMonitorPluginBase()

: iMemoryMonitor(MemoryMonitorTls())

    {

    FUNC_LOG;

    RDebug::Print(_L("CGOomMonitorPluginBase::CGOomMonitorPluginBase"));

    __ASSERT_ALWAYS(iMemoryMonitor, GOomMonitorPluginPanic(EGOomMonitorPluginPanic_PluginConstructedOutsideGOomMonitorThread));

    RDebug::Print(_L("CGOomMonitorPluginBase::CGOomMonitorPluginBase EXIT"));

    }

EXPORT_C CGOomMonitorPluginBase::~CGOomMonitorPluginBase()

    {

    FUNC_LOG;

    }

EXPORT_C void CGOomMonitorPluginBase::ConstructL()

    {

    FUNC_LOG;

    // CAppGOomMonitorPlugin assumes ConstructL is empty

    }

EXPORT_C void CGOomMonitorPluginBase::ExtensionInterface(TUid /*aInterfaceId*/, TAny*& /*aImplementaion*/)

    {

    FUNC_LOG;

    }

EXPORT_C RFs& CGOomMonitorPluginBase::FsSession()

    {

    FUNC_LOG;

    return iMemoryMonitor->iFs;

    }

EXPORT_C RWsSession& CGOomMonitorPluginBase::WsSession()

    {

    FUNC_LOG;

    return iMemoryMonitor->iWs;

    }

EXPORT_C CAppGOomMonitorPlugin* CAppGOomMonitorPlugin::NewL(TUid aAppUid)

    {

    CAppGOomMonitorPlugin* self = new(ELeave) CAppGOomMonitorPlugin(aAppUid);

    // ConstructL() currently not needed

    return self;

    }

CAppGOomMonitorPlugin::CAppGOomMonitorPlugin(TUid aAppUid)

: iAppUid(aAppUid)

    {

    }

void CAppGOomMonitorPlugin::FreeRam(TInt)

    {

    SendMessageToApp(KAppGOomMonitor_FreeRam);

    }

void CAppGOomMonitorPlugin::MemoryGood()

    {

    SendMessageToApp(KAppGOomMonitor_MemoryGood);

    }

void CAppGOomMonitorPlugin::SendMessageToApp(TInt aMessage)

    {

    RWsSession& ws = WsSession();

    TInt wgId = 0;

    do

        {

        CApaWindowGroupName::FindByAppUid(iAppUid, ws, wgId);

        if (wgId>0)

            {

            TWsEvent event;

            event.SetType(aMessage);

            event.SetTimeNow();

            ws.SendEventToWindowGroup(wgId, event);

            }

        }

    while (wgId>0);

    }