/*

* Copyright (c) 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 "hsdataobservertask.h"

#include "tstaskmonitorglobals.h"

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

//

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

//

CHsDataObserverTask::CHsDataObserverTask(MTsDataObserverStorage& storage, 

                                         const RMessage2& msg)

:

    mStorage(storage),

    mMsg(msg)

{

    // No implementation required

}

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

//

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

//

CHsDataObserverTask::~CHsDataObserverTask()

{

    if (EFalse == mMsg.IsNull()) {

        mMsg.Complete(mDataChanged ? KErrNone : KErrCancel);

    }

}

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

//

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

//

void CHsDataObserverTask::ExecuteLD(MTsDataObserverStorage& storage,const RMessage2& msg)

{

    CTsDataObserver *self = new (ELeave)CHsDataObserverTask(storage, msg);

    CleanupStack::PushL(self);

    storage.PushL(self);

    CleanupStack::Pop(self);

}

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

//

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

//

void CHsDataObserverTask::DataChanged()

{

    mDataChanged = ETrue;

    mStorage.Pop(this);

    delete this; 

}

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

//

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

//

void CHsDataObserverTask::Cancel(const RMessage2& reason)

{

    if (CancelSubscribeRunningAppChanges == reason.Function() &&

        mMsg.Session() == reason.Session()) {

        mStorage.Pop(this);

        delete this;

   }

}

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

//

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

//

TBool CHsDataObserverTask::IsParent(const CSession2* session)

{

    return mMsg.Session() == session;

}