/*

* Copyright (c) 2010 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 C_CPSPROPERTYOBSERVER_H

#define C_CPSPROPERTYOBSERVER_H

#include <e32base.h>

#include <e32property.h>

#include "aipspropertyobserver.h"

/**

 *  Publish and subscribe key observer

 * 

 *	@lib aiutils.lib

 *  @since S60 3.2

 */

NONSHARABLE_CLASS(CPSPropertyObserver) : public CActive, public MAiPSPropertyObserver

    {

public:

	/**

     * Two-phased constructor.

     */

    static CPSPropertyObserver* NewL ( TUid aCategory, TInt aKey );

	/**

     * Destructor.

     */

    ~CPSPropertyObserver();

	/**

     * Release the observer

     */

	void Release();

// from base class CActive

protected:

    void RunL();

    void DoCancel();

// New methods for test purposes

public:

	void HandlePhoneEvent();

	void HandleSystemEvent();

	void SetCallBack( TCallBack aCallBack );

	void DoEvent();

	void SetOtherObserver( CPSPropertyObserver* aOther );

// from base class MAiPSPropertyObserver    

    TInt Get();

    TInt Get( TInt& aValue );

    TInt Get( TDes8& aString );

    TInt Get( TDes16& aString );

private:

	/**

     * By default Symbian 2nd phase constructor is private.

     */

    void ConstructL();

	/**

     * C++ default constructor.

     */

    CPSPropertyObserver( TUid aCategory,

                         TInt aKey );

private:

    /**

     * Callback member

     */

    TCallBack   iCallBack;

    /**

     * PS category id

     */

    TUid        iCategory;

    /**

     * PS key

     */

    TInt        iKey;

    /**

     * Property member

     */

    RProperty   iProperty;

    RTimer      iTimer;

    TInt        iCounter;

    CPSPropertyObserver* iOtherObserver;

    };

#endif // C_CPSPROPERTYOBSERVER_H

// End of File.