/*

* 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:

*

*/

#ifndef ACTIVITYOBSERVERTASK_H

#define ACTIVITYOBSERVERTASK_H

// INCLUDES

#include <e32std.h>

#include <e32base.h>

#include "activitytask.h"

#include "activitytaskstorage.h"

/**

 *  CActivityObserverTask

 * 

 */

class CActivityObserverTask : public CActivityTask

{

public:

    /**

     * Destructor.

     */

    ~CActivityObserverTask();

    /**

     * Handle observer request. 

     * @param globalStorage - global observers storage

     * @param localStorage - local observers storage

     * @param msg - request message

     */

    static void ExecuteLD(MActivityTaskStorage& globalStorage, 

                          MActivityTaskStorage& localStorage,

                          const RMessage2& msg);

    /**

     * Interface implementation

     * @see CActivityTask::Data()

     */

    const TDesC8& Data() const;

    /**

     * Interface implementation

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

     */

    void BroadcastReceivedL(const RMessage2& );

private:

    /**

     * Constructor for performing 1st stage construction

     * @param globalStorage - global observers storage

     * @param localStorage - local observers storage

     * @param msg - request message

     */

    CActivityObserverTask(MActivityTaskStorage& globalStorage, 

                          MActivityTaskStorage& localStorage,

                          const RMessage2& msg);

    /**

     * Write response data to requested message 

     */

    void WriteResponseL();

private:

    MActivityTaskStorage& mGlobalStorage;

    MActivityTaskStorage& mLocalStorage;

    const RMessage2 mMsg;

    RBuf8 mData;

};

#endif // ACTIVITYOBSERVERTASK_H