/*

* Copyright (c) 2008 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".

*/

#ifndef TSPROPERTYLISTENER_H

#define TSPROPERTYLISTENER_H

#include <e32base.h>

#include <e32property.h>

#include "tspreviewobserver.h"

// Publish & subscribe UID (akncapserver.exe SID so that it can define the keys)

const TUid KPSUidPreviewProvider = { 0x10207218 };

// P&S keys

const TUint32 KPSKeyWgId = 0x20016BE1;

const TUint32 KPSKeyFbsBitmapId = 0x20016BE2;

const TUint32 KPSKeyOperation = 0x20016BE3;

/**

 * Operation which will be done after P&S keys have changed.

 */

enum TPreviewOperation

    {

    EOperationNone,

    EOperationUnregister,

    EOperationBitmapUpdated

    };

/**

 * CPropertyListener

 */

NONSHARABLE_CLASS( CTsPropertyListener ) : public CActive

    {

public:

    static CTsPropertyListener* NewL( MTsFastSwapPreviewObserver& aObs );

    virtual ~CTsPropertyListener();

protected:

    CTsPropertyListener( MTsFastSwapPreviewObserver& aObs );

    void ConstructL();  

private: // From CActive

    void RunL();

    void DoCancel();

private:    

    void ReadPropertiesL();

    void DefinePropertyL( TInt aPSKey ); 

    void Subscribe();

private:

    MTsFastSwapPreviewObserver& iObs;

    RProperty iProperty;

    TInt iWgId;

    TInt iFbsBitmapId;

    TPreviewOperation iOperation;

    };

#endif // TSPROPERTYLISTENER_H

// End of file