qtmobility/src/multimedia/effects/qsoundeffect_qmedia_p.cpp
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     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
     6 **
       
     7 ** This file is part of the Qt Mobility Components.
       
     8 **
       
     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
    11 ** This file contains pre-release code and may not be distributed.
       
    12 ** You may use this file in accordance with the terms and conditions
       
    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
    15 **
       
    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
    18 ** General Public License version 2.1 as published by the Free Software
       
    19 ** Foundation and appearing in the file LICENSE.LGPL included in the
       
    20 ** packaging of this file.  Please review the following information to
       
    21 ** ensure the GNU Lesser General Public License version 2.1 requirements
       
    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
       
    23 **
       
    24 ** In addition, as a special exception, Nokia gives you certain additional
       
    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception
       
    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
    27 **
       
    28 ** If you have questions regarding the use of this file, please contact
       
    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
    31 **
       
    32 **
       
    33 **
       
    34 **
       
    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 //
       
    43 //  W A R N I N G
       
    44 //  -------------
       
    45 //
       
    46 // This file is not part of the Qt API. It exists purely as an
       
    47 // implementation detail. This header file may change from version to
       
    48 // version without notice, or even be removed.
       
    49 //
       
    50 // We mean it.
       
    51 //
       
    52 
       
    53 #include "qsoundeffect_qmedia_p.h"
       
    54 
       
    55 #include <QtCore/qcoreapplication.h>
       
    56 
       
    57 #include "qmediacontent.h"
       
    58 #include "qmediaplayer.h"
       
    59 
       
    60 
       
    61 QT_BEGIN_NAMESPACE
       
    62 
       
    63 QSoundEffectPrivate::QSoundEffectPrivate(QObject* parent):
       
    64     QObject(parent),
       
    65     m_loopCount(1),
       
    66     m_runningCount(0),
       
    67     m_player(0)
       
    68 {
       
    69     m_player = new QMediaPlayer(this, QMediaPlayer::LowLatency);
       
    70     connect(m_player, SIGNAL(stateChanged(QMediaPlayer::State)), SLOT(stateChanged(QMediaPlayer::State)));
       
    71 }
       
    72 
       
    73 QSoundEffectPrivate::~QSoundEffectPrivate()
       
    74 {
       
    75 }
       
    76 
       
    77 QUrl QSoundEffectPrivate::source() const
       
    78 {
       
    79     return m_player->media().canonicalUrl();
       
    80 }
       
    81 
       
    82 void QSoundEffectPrivate::setSource(const QUrl &url)
       
    83 {
       
    84     m_player->setMedia(url);
       
    85 }
       
    86 
       
    87 int QSoundEffectPrivate::loopCount() const
       
    88 {
       
    89     return m_loopCount;
       
    90 }
       
    91 
       
    92 void QSoundEffectPrivate::setLoopCount(int loopCount)
       
    93 {
       
    94     m_loopCount = loopCount;
       
    95 }
       
    96 
       
    97 int QSoundEffectPrivate::volume() const
       
    98 {
       
    99     return m_player->volume();
       
   100 }
       
   101 
       
   102 void QSoundEffectPrivate::setVolume(int volume)
       
   103 {
       
   104     m_player->setVolume(volume);
       
   105 }
       
   106 
       
   107 bool QSoundEffectPrivate::isMuted() const
       
   108 {
       
   109     return m_player->isMuted();
       
   110 }
       
   111 
       
   112 void QSoundEffectPrivate::setMuted(bool muted)
       
   113 {
       
   114     m_player->setMuted(muted);
       
   115 }
       
   116 
       
   117 void QSoundEffectPrivate::play()
       
   118 {
       
   119     m_runningCount += m_loopCount;
       
   120     m_player->play();
       
   121 }
       
   122 
       
   123 void QSoundEffectPrivate::stateChanged(QMediaPlayer::State state)
       
   124 {
       
   125     if (state == QMediaPlayer::StoppedState) {
       
   126         if (--m_runningCount > 0)
       
   127             m_player->play();
       
   128     }
       
   129 }
       
   130 
       
   131 QT_END_NAMESPACE
       
   132