1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the Qt Mobility Components. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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15 ** |
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16 ** GNU Lesser General Public License Usage |
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
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18 ** General Public License version 2.1 as published by the Free Software |
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
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20 ** packaging of this file. Please review the following information to |
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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23 ** |
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24 ** In addition, as a special exception, Nokia gives you certain additional |
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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27 ** |
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28 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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38 ** $QT_END_LICENSE$ |
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39 ** |
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40 ****************************************************************************/ |
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41 |
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42 #include "qmediacontent.h" |
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43 #include "qmediaplayer.h" |
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44 |
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45 #include "qsoundeffect_p.h" |
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46 |
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47 #if defined(QT_MULTIMEDIA_PULSEAUDIO) |
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48 #include "qsoundeffect_pulse_p.h" |
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49 #elif(QT_MULTIMEDIA_QMEDIAPLAYER) |
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50 #include "qsoundeffect_qmedia_p.h" |
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51 #else |
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52 #include "qsoundeffect_qsound_p.h" |
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53 #endif |
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54 |
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55 QML_DEFINE_TYPE(Qt,4,6,SoundEffect,QSoundEffect) |
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56 |
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57 /*! |
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58 \qmlclass QSoundEffect |
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59 \brief The SoundEffect element provides a way to play sound effects in qml. |
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60 |
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61 The following example plays a wav file on mouse click. |
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62 |
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63 \qml |
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64 SoundEffect { |
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65 id: playSound |
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66 source: "test.wav" |
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67 } |
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68 MouseRegion { |
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69 id: playArea |
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70 anchors.fill: parent |
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71 onPressed: { |
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72 playSound.play() |
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73 } |
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74 } |
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75 \endeml |
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76 |
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77 \sa SoundEffect |
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78 */ |
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79 |
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80 /*! |
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81 \qmlproperty QUrl SoundEffect::source |
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82 |
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83 This property provides a way to control the sound to play. |
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84 */ |
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85 |
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86 /*! |
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87 \qmlproperty int SoundEffect::loopCount |
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88 |
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89 This property provides a way to control the number of times to repeat the sound on each play(). |
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90 */ |
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91 |
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92 /*! |
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93 \qmlproperty int SoundEffect::volume |
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94 |
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95 This property provides a way to control the volume for playback. |
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96 */ |
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97 |
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98 /*! |
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99 \qmlproperty bool SoundEffect::muted |
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100 |
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101 This property provides a way to control muting. |
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102 */ |
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103 |
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104 /*! |
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105 \qmlproperty int SoundEffect::duration |
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106 |
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107 This property holds the duration in milliseconds of the current source audio. |
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108 */ |
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109 |
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110 /*! |
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111 \qmlsignal SoundEffect::sourceChanged() |
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112 |
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113 This handler is called when the source has changed. |
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114 */ |
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115 |
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116 /*! |
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117 \qmlsignal SoundEffect::loopCountChanged() |
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118 |
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119 This handler is called when the number of loops has changes. |
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120 */ |
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121 |
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122 /*! |
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123 \qmlsignal SoundEffect::volumeChanged() |
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124 |
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125 This handler is called when the volume has changed. |
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126 */ |
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127 |
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128 /*! |
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129 \qmlsignal SoundEffect::mutedChanged() |
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130 |
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131 This handler is called when the mute state has changed. |
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132 */ |
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133 |
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134 /*! |
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135 \qmlsignal SoundEffect::durationChanged() |
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136 |
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137 This handler is called when the duration has changed. |
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138 */ |
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139 |
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140 QSoundEffect::QSoundEffect(QObject *parent) : |
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141 QObject(parent), |
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142 m_loopCount(1), |
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143 m_volume(100), |
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144 m_muted(false), |
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145 m_runningCount(0) |
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146 { |
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147 d = new QSoundEffectPrivate(this); |
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148 connect(d, SIGNAL(volumeChanged(int)), SIGNAL(volumeChanged())); |
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149 connect(d, SIGNAL(mutedChanged(bool)), SIGNAL(mutedChanged())); |
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150 connect(d, SIGNAL(durationChanged(qint64)), SIGNAL(durationChanged())); |
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151 connect(d, SIGNAL(stateChanged(QMediaPlayer::State)), SLOT(repeat())); |
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152 } |
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153 |
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154 QSoundEffect::~QSoundEffect() |
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155 { |
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156 delete d; |
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157 } |
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158 |
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159 QUrl QSoundEffect::source() const |
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160 { |
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161 return d != 0 ? d->media().canonicalUrl() : QUrl(); |
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162 } |
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163 |
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164 void QSoundEffect::setSource(const QUrl &url) |
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165 { |
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166 if (d != 0 && d->media().canonicalUrl() == url) |
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167 return; |
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168 |
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169 d->setVolume(m_volume); |
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170 d->setMuted(m_muted); |
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171 d->setMedia(url); |
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172 |
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173 if (url.isEmpty()) |
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174 return; |
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175 |
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176 emit sourceChanged(); |
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177 } |
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178 |
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179 int QSoundEffect::loopCount() const |
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180 { |
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181 return m_loopCount; |
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182 } |
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183 |
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184 void QSoundEffect::setLoopCount(int loopCount) |
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185 { |
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186 if (m_loopCount == loopCount) |
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187 return; |
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188 |
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189 m_loopCount = loopCount; |
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190 emit loopCountChanged(); |
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191 } |
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192 |
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193 int QSoundEffect::volume() const |
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194 { |
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195 return d != 0 ? d->volume() : m_volume; |
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196 } |
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197 |
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198 void QSoundEffect::setVolume(int volume) |
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199 { |
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200 if (m_volume == volume) |
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201 return; |
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202 |
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203 m_volume = volume; |
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204 if (d != 0) |
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205 d->setVolume(volume); |
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206 else |
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207 emit volumeChanged(); |
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208 } |
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209 |
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210 bool QSoundEffect::isMuted() const |
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211 { |
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212 return d != 0 ? d->isMuted() : m_muted; |
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213 } |
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214 |
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215 void QSoundEffect::setMuted(bool muted) |
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216 { |
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217 if (m_muted == muted) |
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218 return; |
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219 |
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220 m_muted = muted; |
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221 if (d != 0) |
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222 d->setMuted(muted); |
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223 else |
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224 emit mutedChanged(); |
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225 } |
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226 |
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227 int QSoundEffect::duration() const |
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228 { |
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229 return d != 0 ? d->duration() : 0; |
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230 } |
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231 |
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232 void QSoundEffect::play() |
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233 { |
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234 m_runningCount = 0; |
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235 |
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236 if (d != 0) |
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237 d->play(); |
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238 } |
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239 |
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240 void QSoundEffect::stop() |
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241 { |
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242 if (d != 0) |
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243 d->stop(); |
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244 } |
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245 |
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246 void QSoundEffect::repeat() |
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247 { |
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248 if (d->state() == QMediaPlayer::StoppedState) { |
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249 if (++m_runningCount < m_loopCount) |
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250 d->play(); |
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251 } |
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252 } |
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253 |
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