1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: Music Player now playing widget backend.

    15 *

    16 */

    17 

    18 #ifndef MPNOWPLAYINGBACKEND_H

    19 #define MPNOWPLAYINGBACKEND_H

    20 

    21 //includes

    22 #include <QObject>

    23 #include <QMetaType>

    24 

    25 //forward declartions

    26 class MpNowPlayingBackEndPrivate;

    27 

    28 enum SimplifiedPlayerState {

    29     NotPlaying, //When there is no source

    30     Playing,    //When it is playing

    31     Paused      //When is not in Playing State

    32 };

    33 // Register so type can be used in signal and slot connection

    34 Q_DECLARE_METATYPE(SimplifiedPlayerState)

    35 

    36 //class declaration

    37 class MpNowPlayingBackEnd : public QObject

    38 {

    39     Q_OBJECT

    40     friend class MpNowPlayingBackEndPrivate;

    41 

    42 public:

    43     explicit MpNowPlayingBackEnd( long int playerId = 0 );

    44     virtual ~MpNowPlayingBackEnd();

    45 

    46 signals:

    47     void stateUpdate( SimplifiedPlayerState state );

    48     void titleChanged( const QString &text );

    49     void artistChanged( const QString &text );

    50 

    51 public slots:

    52     void update();

    53     void playPause();

    54 

    55 private:

    56     Q_DISABLE_COPY(MpNowPlayingBackEnd)

    57     MpNowPlayingBackEndPrivate * const d_ptr;

    58 

    59 };

    60 

    61 #endif  // MPNOWPLAYINGBACKEND_H