/*

* Copyright (c) 2002 - 2007 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:  handle callback messages return from testplaybackview

*

*/

#ifndef TESTPLAYBACKVIEWOBSERVER_H

#define TESTPLAYBACKVIEWOBSERVER_H

/* TestPlaybackView commands.  Refer TMPXPlaybackCommand if possible*/

enum TTestPlaybackViewCommand

    {

    ETPbViewCmdPlay,

    ETPbViewCmdPause,

    ETPbViewCmdStop,

    ETPbViewCmdNext,

    ETPbViewCmdPrevious,

    ETPbViewCmdStartSeekForward,

    ETPbViewCmdStartSeekBackward,

    ETPbViewCmdStopSeeking,

    ETPbViewCmdIncreaseVolume,

    ETPbViewCmdDecreaseVolume,

    ETPbViewCmdClose,

    ETPbViewCmdEnd,

    };

/* TestPlaybackView playback state.  Refer TMPXPlaybackState if possible*/    

enum TTestPlaybackState

    {

    ETPbStateNotInitialised, 

    ETPbStateInitialising,

    ETPbStatePlaying,    

    ETPbStatePaused,

    ETPbStateStopped,

    ETPbStateSeekingForward, 

    ETPbStateSeekingBackward,   

    ETPbStateShuttingDown,

    ETPbStateBuffering,

    ETPbStateDownloading,

    ETPbStatEnd,

    };

/**

 *  Handle callback message from CTestPlaybackView

 *

 *  This interface class serves as generalized message issued from 

 *  view class.

 *

 *  @lib testplaybackutility.lib

 *  @since S60 v3.0

 */

class MTestPlaybackViewObserver

    {

public:

    /**

    * Handle View received command

    * @param aCmd a command received in view

    */

    virtual void HandleUiCommandL(TTestPlaybackViewCommand aCmd) = 0;

    };

#endif // TESTPLAYBACKVIEWOBSERVER_H