/*

* 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 "afobservertask.h"

#include "activitycmd.h"

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

/**

 * Constructor for performing 1st stage construction

 * @param globalStorage - global observers storage

 * @param localStorage - local observers storage

 * @param msg - request message

 */

CAfObserverTask::CAfObserverTask(MAfTaskStorage& globalStorage, 

                                 MAfTaskStorage& localStorage, 

                                 const RMessage2& msg)

:

    mGlobalStorage(globalStorage),

    mLocalStorage(localStorage),

    mMsg(msg)

{

    // No implementation required

}

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

/**

 * Destructor.

 */

CAfObserverTask::~CAfObserverTask()

{

    mData.Close();

}

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

/**

 * Handle observer request. 

 * @param globalStorage - global observers storage

 * @param localStorage - local observers storage

 * @param msg - request message

 */

void CAfObserverTask::ExecuteLD(MAfTaskStorage& globalStorage, 

                                MAfTaskStorage& localStorage, 

                                const RMessage2& msg)

{

    CAfObserverTask *self = new(ELeave)CAfObserverTask(globalStorage, 

                                                       localStorage, 

                                                       msg);

    CleanupStack::PushL(self);

    globalStorage.PushL(self);

    CleanupStack::Pop(self);

}

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

/**

 * Interface implementation

 * @see CActivityTask::Data()

 */

const TDesC8& CAfObserverTask::Data() const

{

    return mData;

}

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

/**

 * Interface implementation

 * @see CActivityTask::BroadcastReceivedL(const RMessage2&)

 */

void CAfObserverTask::BroadcastReceivedL(const RMessage2& msg)

{

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

        mGlobalStorage.Pop(this);//

        mLocalStorage.Pop(this);

        delete this;

    } else if (WaitActivity == mMsg.Function() &&

               LaunchActivity == msg.Function()) {

               TPckgBuf<TInt> observerdId;

               mMsg.ReadL(KRequestAppIdOffset, observerdId);

        TPckgBuf<TInt> requestedId;

        msg.ReadL(KRequestAppIdOffset, requestedId);

        if (observerdId() == requestedId()) {

            if (msg.GetDesLength(KRequestActOffset) > mData.MaxLength()) {

                mData.ReAllocL(msg.GetDesLength(1));

            }

            msg.ReadL(KRequestActOffset, mData, 0);

            WriteResponseL();

            mLocalStorage.PushL(this);

            mGlobalStorage.Pop(this);

            mMsg.Complete(KErrNone);

        }

    } else if (WaitActivity == mMsg.Function() &&

               CancelWait == msg.Function() &&

               mMsg.Session() == msg.Session()) {

        mGlobalStorage.Pop(this);

        mMsg.Complete(KErrCancel);

        delete this;

    } else if (NotifyChange == mMsg.Function() &&

               CancelNotify == msg.Function() &&

               mMsg.Session() == msg.Session()) {

        mGlobalStorage.Pop(this);

        mMsg.Complete(KErrCancel);

        delete this;

    } else if(NotifyChange == mMsg.Function() &&

              (AddActivity == msg.Function() ||

               UpdateActivity == msg.Function() ||

               RemoveActivity == msg.Function() ||

               RemoveApplicationActivities == msg.Function())){

        mMsg.Complete(KErrNone);

        mGlobalStorage.Pop(this);

        delete this;

    }

}

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

/**

 * Write response data to requested message 

 */

void CAfObserverTask::WriteResponseL()

{

    mMsg.WriteL(KResponseDataSizeOffset, TPckgBuf<TInt>(mData.Length()));//write data size

    mMsg.WriteL(KResponseIdOffset, TPckgBuf<CBase*>(this));//task identyfier

}

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

/**

 * Returns ETrue if task is related with session argument

 */

TBool CAfObserverTask::IsSessionTask(const CSession2* session)

{

    return mMsg.Session() == session ? ETrue : EFalse;

}