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 #include "mpnowplayingbackend.h"

    19 #include "mpnowplayingbackend_p.h"

    20 #include "mptrace.h"

    21 

    22 /*!

    23     \internal

    24     \class MpNowPlayingBackEnd

    25     \brief Wraps the playback utility and provides separation for QT and Symbian code.

    26 

    27     This class wraps the playback utility on the MPX Framework to provide a simple 

    28     interface and separation of QT and Symbian code.

    29 */

    30 

    31 /*!

    32     \internal

    33     \fn MpNowPlayingBackEnd::stateUpdate( SimplifiedPlayerState state )

    34 

    35     MpNowPlayingBackEndPrivate emits this signal when the simplified playback 

    36     state changes.

    37 */

    38 

    39 /*!

    40     \internal

    41     \fn MpNowPlayingBackEnd::titleChanged( const QString &text )

    42 

    43     MpNowPlayingBackEndPrivate emits this signal when there is a new song

    44     playing and the title becomes available.

    45 */

    46 

    47 /*!

    48     \internal

    49     \fn MpNowPlayingBackEnd::artistChanged( const QString &text )

    50 

    51     MpNowPlayingBackEndPrivate emits this signal when there is a new song

    52     playing and the artist name becomes available.

    53 */

    54 

    55 /*!

    56     \internal

    57     \enum SimplifiedPlayerState

    58 

    59     This enum defines a set of simplified playback states.

    60  */

    61 

    62 /*!

    63  \internal

    64  Constructs the now playing back end.

    65  */

    66 MpNowPlayingBackEnd::MpNowPlayingBackEnd( long int playerId )

    67     :d_ptr( new MpNowPlayingBackEndPrivate( playerId, this ) )

    68 {

    69     TX_ENTRY_ARGS( "Player ID =" << playerId )

    70     TX_EXIT

    71 }

    72 

    73 /*!

    74  \internal

    75  Destructs the now playing back end.

    76  */

    77 MpNowPlayingBackEnd::~MpNowPlayingBackEnd()

    78 {

    79     TX_ENTRY

    80     delete d_ptr;

    81     TX_EXIT

    82 }

    83 

    84 /*!

    85  \internal

    86  Updates the widget with the latest playback information.

    87  */

    88 void MpNowPlayingBackEnd::update()

    89 {

    90     TX_ENTRY

    91     d_ptr->update();

    92     TX_EXIT

    93 }

    94 

    95     

    96 /*!

    97  \internal

    98  Sends a play/pause command.

    99  */

   100 void MpNowPlayingBackEnd::playPause()

   101 {

   102     TX_ENTRY

   103      d_ptr->playPause();

   104     TX_EXIT

   105 }