/*

* 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 "tsexternalactivationwatcher_p.h"

#include "tsexternalactivationwatcher.h"

const TUid KTaskswitcherCategory = { 0x2002677D };

const TUint KExternalActivationKey = 0x1;

const TInt KTaskswitcherActivateFlag = 1;

/*!

    \class TsExternalActivationWatcherPrivate

    \ingroup group_tsserviceplugin

    \brief Private implementation of external activation watcher.

*/

TsExternalActivationWatcherPrivate::TsExternalActivationWatcherPrivate(TsExternalActivationWatcher *parent) : CActive(CActive::EPriorityStandard), mParent(parent)

{

    CActiveScheduler::Add(this);

    TInt err = RProperty::Define(KTaskswitcherCategory, KExternalActivationKey, RProperty::EInt);

    if (err == KErrNone || err == KErrAlreadyExists) {

        err = mProperty.Attach(KTaskswitcherCategory, KExternalActivationKey);

    }

    Q_ASSERT_X(err == KErrNone, "TsExternalActivationWatcherPrivate", qPrintable(QString("Cannot define/attach to activation watcher property %1").arg(err)));

    mProperty.Subscribe(iStatus);

    SetActive();

}

TsExternalActivationWatcherPrivate::~TsExternalActivationWatcherPrivate()

{

    Cancel();

    mProperty.Close();

}

void TsExternalActivationWatcherPrivate::ResetActivationFlag()

{

    TInt value(0);

    mProperty.Set(value);

}

void TsExternalActivationWatcherPrivate::DoCancel()

{

    mProperty.Cancel();

}

void TsExternalActivationWatcherPrivate::RunL()

{

    if (iStatus.Int() != KErrCancel) {

        if (CheckActivationFlag()) {

            ResetActivationFlag();

            QT_TRYCATCH_LEAVING(emit mParent->activationRequested());

        }

        mProperty.Subscribe(iStatus);

        SetActive();

    }

}

bool TsExternalActivationWatcherPrivate::CheckActivationFlag()

{

    TInt value(0);

    TInt result = mProperty.Get(value);

    return (result == KErrNone && value & KTaskswitcherActivateFlag);

}