/*

* Copyright (c) 2008-2009 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: Listens for offline mode changes in central repository.

*

*/

#ifndef MPMOFFLINEWATCHER_H

#define MPMOFFLINEWATCHER_H

//  INCLUDES

#include <e32base.h>

class CRepository;

class CMPMServer;

// Stop after this many consecutive central repository errors.

const TInt KMpmOfflineWatcherCenRepErrorThreshold = 80;

/**

 *  Class for accessing central repository.

 *  Follows KCoreAppUIsNetworkConnectionAllowed key in central repository.

 *  @since 5.2

 */

class CMpmOfflineWatcher : public CActive

    {

public:

    /**

    * New for calling the two-phased constructor.

    */

    static CMpmOfflineWatcher* NewL( CMPMServer* aServer );

    /**

    * Destructor.

    */

    virtual ~CMpmOfflineWatcher();

    /**

     * Start to listen for events.

     */

    void StartL();

    /**

    * Active object's RunL.

    */

    void RunL();

    /**

    * Active object's DoCancel.

    */

    void DoCancel();

private:

    /**

    * C++ default constructor.

    */

    CMpmOfflineWatcher( CMPMServer* aServer );

    /**

    * Symbian 2nd phase constructor.

    */

    void ConstructL();

    /**

    * Request for notifications.

    */

    TInt RequestNotifications();

    /**

    * Get current offline mode value.

    */

    TInt GetCurrentOfflineValue();

private: // data

    /**

     * Is offline feature supported.

     */

    TBool iOfflineFeatureSupported;

    /**

     * Central repository handle.

     * Own.

     */

    CRepository* iRepository;

    /**

     * Offline mode activity value.

     */

    TInt iOfflineMode;     // type: TCoreAppUIsNetworkConnectionAllowed

    /**

     * Pointer to the MPM Server object.

     * Not own.

     */

    CMPMServer* iServer;

    /**

     * Error counter.

     */

    TUint iErrorCounter;

    };

#endif // MPMOFFLINEWATCHER_H