1 /* |
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2 * Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Class for retrieving and selecting media renderers |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 |
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21 |
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22 |
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23 // INCLUDES |
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24 #include <mpxplaybackplugin.h> |
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25 #include <mpxplaybackpluginobserver.h> |
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26 #include "upnpavrenderingsession.h" |
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27 #include "upnpavrenderingsessionobserver.h" |
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28 #include "upnpavdevice.h" |
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29 |
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30 #include "upnpmusicplayer.h" // for parent.Observer() |
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31 #include "upnptrack.h" // for TrackDuration |
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32 #include "upnpvaluestatemachine.h" // |
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33 #include "upnpplaybackstatemachine.h" // myself |
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34 #include "upnppluginserrortranslation.h" |
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35 |
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36 _LIT( KComponentLogfile, "musicplugins.txt"); |
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37 #include "upnplog.h" |
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38 |
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39 // CONSTANTS |
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40 _LIT( KStateStoppedText, "Stopped" ); |
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41 _LIT( KStatePlayingText, "Playing" ); |
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42 _LIT( KStatePausedText, "Paused" ); |
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43 _LIT( KStateUnknownText, "Unknown" ); |
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44 |
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45 const TInt KDurationErrorMargin = 500; // 0.5 seconds |
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46 const TInt KPlaybackInfoTimeOut = 1000000; // 1s wait until device is ready |
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47 const TInt KPlaybackInfoTimeOutEnd = 2000000; // 2s wait check whether |
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48 //the playing is ended |
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49 |
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50 // ======== MEMBER FUNCTIONS ======== |
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51 |
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52 // -------------------------------------------------------------------------- |
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53 // CUPnPPlaybackStateMachine::NewL |
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54 // 1st phase constructor. |
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55 // -------------------------------------------------------------------------- |
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56 // |
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57 CUPnPPlaybackStateMachine* CUPnPPlaybackStateMachine::NewL( |
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58 CUPnPMusicPlayer& aParent, |
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59 MUPnPAVRenderingSession& aRenderingSession ) |
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60 { |
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61 __LOG( "PlaybackStateMachine::NewL" ); |
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62 CUPnPPlaybackStateMachine* self = |
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63 new(ELeave) CUPnPPlaybackStateMachine( |
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64 aParent, aRenderingSession ); |
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65 CleanupStack::PushL( self ); |
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66 self->ConstructL(); |
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67 CleanupStack::Pop( self ); |
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68 return self; |
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69 } |
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70 |
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71 // -------------------------------------------------------------------------- |
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72 // CUPnPPlaybackStateMachine::CUPnPPlaybackStateMachine |
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73 // Default constructor. |
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74 // -------------------------------------------------------------------------- |
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75 // |
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76 CUPnPPlaybackStateMachine::CUPnPPlaybackStateMachine( |
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77 CUPnPMusicPlayer& aParent, |
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78 MUPnPAVRenderingSession& aRenderingSession ) |
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79 :iParent( aParent ) |
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80 ,iRendererSession( aRenderingSession ) |
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81 ,iState( EStateStopped ) |
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82 ,iCurrentOperation( EOperationNone ) |
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83 { |
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84 } |
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85 |
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86 // -------------------------------------------------------------------------- |
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87 // CUPnPPlaybackStateMachine::ConstructL |
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88 // -------------------------------------------------------------------------- |
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89 // |
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90 void CUPnPPlaybackStateMachine::ConstructL() |
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91 { |
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92 __LOG( "CUPnPPlaybackStateMachine::ConstructL" ); |
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93 |
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94 // Create timer for observing duration query time out. |
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95 TInt64 iTime = 0; |
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96 iPlayMark = TTime( iTime ); |
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97 iPauseMark = TTime( iTime ); |
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98 iPeriodizer = CUPnPMusicPeriodizer::NewL( *this, KPlaybackInfoTimeOut ); |
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99 iPeriodizerEnd = CUPnPMusicPeriodizer::NewL( *this, |
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100 KPlaybackInfoTimeOutEnd ); |
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101 } |
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102 |
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103 // -------------------------------------------------------------------------- |
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104 // CUPnPPlaybackStateMachine::~CUPnPPlaybackStateMachine |
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105 // Destructor. |
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106 // -------------------------------------------------------------------------- |
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107 // |
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108 CUPnPPlaybackStateMachine::~CUPnPPlaybackStateMachine() |
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109 { |
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110 __LOG( "PlaybackStateMachine destructor" ); |
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111 iOperationQueue.Close(); |
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112 delete iPeriodizer; |
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113 delete iPeriodizerEnd; |
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114 } |
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115 |
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116 // -------------------------------------------------------------------------- |
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117 // CUPnPPlaybackStateMachine::CommandL |
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118 // Executes a command on the selected song. |
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119 // -------------------------------------------------------------------------- |
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120 // |
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121 void CUPnPPlaybackStateMachine::CommandL( TMPXPlaybackCommand aCmd ) |
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122 { |
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123 if ( aCmd == EPbCmdClose ) |
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124 { |
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125 // close can be handled parallel to other commands |
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126 HandleCloseL(); |
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127 return; |
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128 } |
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129 |
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130 if ( !iCurrentOperation.None() ) |
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131 { |
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132 __LOG( "PlaybackStateMachine::CommandL - Append to queue" ); |
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133 iOperationQueue.AppendL( aCmd ); |
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134 return; |
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135 } |
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136 |
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137 switch( aCmd ) |
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138 { |
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139 case EPbCmdPlay: |
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140 { |
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141 if( iState == EStatePlaying ) |
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142 { |
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143 // already playing - ignore |
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144 CheckOperationInQueueL(); |
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145 } |
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146 else |
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147 { |
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148 __LOG( "PlaybackStateMachine: command play" ); |
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149 iCurrentOperation = aCmd; |
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150 iRendererSession.PlayL(); |
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151 } |
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152 } |
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153 break; |
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154 case EPbCmdPause: |
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155 { |
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156 // Check if pause is supported by device |
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157 if( iParent.UsedRendererDevice().PauseCapability() ) |
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158 { |
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159 if( iState == EStatePaused ) |
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160 { |
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161 // already paused - ignore |
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162 CheckOperationInQueueL(); |
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163 } |
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164 else |
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165 { |
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166 __LOG( "PlaybackStateMachine: command pause" ); |
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167 iCurrentOperation = aCmd; |
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168 iRendererSession.PauseL(); |
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169 } |
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170 } |
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171 else |
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172 { |
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173 __LOG( "PlaybackStateMachine: Pause is not supported by \ |
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174 device!" ); |
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175 iParent.Observer().HandlePluginEvent( |
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176 MMPXPlaybackPluginObserver::EPPaused, 0, |
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177 KErrNotSupported ); |
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178 } |
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179 } |
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180 break; |
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181 case EPbCmdStop: |
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182 { |
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183 if( iState == EStateStopped ) |
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184 { |
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185 // already stopped - ignore |
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186 CheckOperationInQueueL(); |
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187 } |
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188 else |
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189 { |
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190 __LOG( "PlaybackStateMachine: command stop" ); |
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191 iCurrentOperation = aCmd; |
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192 iRendererSession.StopL(); |
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193 } |
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194 } |
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195 break; |
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196 case EPbCmdReplay: |
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197 { |
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198 iCurrentOperation = aCmd; |
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199 __LOG( "PlaybackStateMachine: command replay" ); |
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200 if( iState == EStatePlaying || iState == EStatePaused ) |
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201 { |
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202 // playing -must stop first |
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203 iRendererSession.StopL(); |
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204 } |
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205 else |
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206 { |
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207 // just play |
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208 iRendererSession.PlayL(); |
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209 } |
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210 } |
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211 break; |
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212 default: // Given command is not supported |
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213 { |
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214 __LOG( "PlaybackStateMachine: command default?" ); |
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215 CheckOperationInQueueL(); |
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216 User::Leave( KErrNotSupported ); |
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217 break; |
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218 } |
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219 } |
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220 } |
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221 |
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222 // -------------------------------------------------------------------------- |
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223 // CUPnPPlaybackStateMachine::PositionL |
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224 // Changes the position within the currently playing track |
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225 // -------------------------------------------------------------------------- |
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226 // |
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227 void CUPnPPlaybackStateMachine::PositionL( TInt aPosition ) |
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228 { |
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229 |
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230 // Ignore if already called. |
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231 if( iCurrentOperation == EOperationPositionToZero ) |
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232 { |
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233 __LOG( "PlaybackStateMachine::PositionL - \ |
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234 EOperationPositionToZero called twice -> ignored" ); |
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235 return; |
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236 } |
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237 |
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238 if ( !iCurrentOperation.None() ) |
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239 { |
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240 __LOG( "PlaybackStateMachine::PositionL - Append to queue" ); |
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241 iOperationQueue.AppendL( EOperationPositionToZero ); |
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242 return; |
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243 } |
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244 if ( aPosition != 0 ) |
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245 { |
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246 CheckOperationInQueueL(); |
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247 User::Leave( KErrNotSupported ); |
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248 } |
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249 |
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250 // handle Position(0) |
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251 if ( iState == EStatePlaying ) |
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252 { |
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253 __LOG( "PlaybackStateMachine: position(0) while playing" ); |
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254 iCurrentOperation = EOperationPositionToZero; |
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255 iRendererSession.StopL(); |
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256 } |
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257 else if ( iState == EStatePaused ) |
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258 { |
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259 __LOG( "PlaybackStateMachine: PositionL(0) while paused" ); |
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260 iCurrentOperation = EOperationPositionToZeroDuringPause; |
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261 iRendererSession.StopL(); |
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262 } |
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263 else if ( iState == EStateStopped ) |
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264 { |
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265 __LOG( "PlaybackStateMachine: PositionL(0) while stopped" ); |
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266 CheckOperationInQueueL(); |
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267 |
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268 // immediate response ! |
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269 iParent.Observer().HandlePluginEvent( |
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270 MMPXPlaybackPluginObserver::EPSetComplete, |
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271 EPbPropertyPosition, KErrNone ); |
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272 |
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273 } |
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274 } |
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275 |
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276 // -------------------------------------------------------------------------- |
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277 // CUPnPPlaybackStateMachine::SilentStopL |
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278 // Stops playback, does not provide any ACK event |
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279 // -------------------------------------------------------------------------- |
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280 // |
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281 void CUPnPPlaybackStateMachine::SilentStopL() |
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282 { |
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283 if ( !iCurrentOperation.None() ) |
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284 { |
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285 __LOG( "PlaybackStateMachine::SilentStopL - Append to queue" ); |
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286 iOperationQueue.AppendL( EOperationSilentStop ); |
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287 return; |
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288 } |
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289 |
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290 // handle stop |
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291 __LOG( "PlaybackStateMachine: SilentStopL" ); |
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292 if( iState == EStateStopped ) |
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293 { |
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294 // already stopped - ignore |
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295 CheckOperationInQueueL(); |
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296 } |
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297 else |
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298 { |
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299 iCurrentOperation = EOperationSilentStop; |
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300 iRendererSession.StopL(); |
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301 } |
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302 } |
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303 |
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304 // -------------------------------------------------------------------------- |
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305 // CUPnPPlaybackStateMachine::Cancel |
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306 // -------------------------------------------------------------------------- |
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307 // |
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308 void CUPnPPlaybackStateMachine::Cancel() |
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309 { |
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310 // reset current operation and empty the queue -> no callbacks. |
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311 iCurrentOperation.Reset(); |
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312 iOperationQueue.Reset(); |
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313 } |
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314 |
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315 // -------------------------------------------------------------------------- |
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316 // CUPnPPlaybackStateMachine::HandleCloseL |
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317 // Handles the close command |
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318 // -------------------------------------------------------------------------- |
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319 // |
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320 void CUPnPPlaybackStateMachine::HandleCloseL() |
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321 { |
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322 if ( iCurrentOperation == EPbCmdStop ) |
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323 { |
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324 // Stop pending - it can't be completed -> fake callback. |
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325 iParent.Observer().HandlePluginEvent( |
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326 MMPXPlaybackPluginObserver::EPStopped, |
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327 KErrNone, KErrNone ); |
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328 } |
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329 |
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330 iParent.Observer().HandlePluginEvent( |
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331 MMPXPlaybackPluginObserver::EPClosed, |
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332 KErrNone, KErrNone ); |
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333 } |
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334 |
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335 |
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336 // -------------------------------------------------------------------------- |
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337 // CUPnPPlaybackStateMachine::InteractOperationComplete |
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338 // Response for interaction operation (play, stop, etc.). |
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339 // -------------------------------------------------------------------------- |
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340 // |
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341 void CUPnPPlaybackStateMachine::InteractOperationComplete( TInt aErrorCode, |
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342 TUPnPAVInteractOperation aOperation ) |
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343 { |
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344 __LOG1( "CUPnPPlaybackStateMachine::InteractOperationComplete: err:[%d]", |
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345 aErrorCode ); |
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346 aErrorCode = TUpnpPluginsErrorTranslation::ErrorTranslate( aErrorCode ); |
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347 switch( aOperation ) |
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348 { |
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349 case EUPnPAVPlayUser: |
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350 { |
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351 __LOG1( "PlaybackStateMachine: event play user, state[%d]",iState ); |
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352 |
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353 if ( aErrorCode == KErrNone ) |
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354 { |
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355 if ( iState == EStatePaused ) |
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356 { |
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357 TimeContinue(); |
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358 ChangeState( EStatePlaying ); |
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359 iParent.Observer().HandlePluginEvent( |
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360 MMPXPlaybackPluginObserver::EPPlaying, KErrNone, |
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361 aErrorCode ); |
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362 if( iCurrentOperation == EPbCmdPlay ) |
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363 { |
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364 iCurrentOperation.Reset(); |
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365 TRAP_IGNORE( CheckOperationInQueueL() ); |
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366 } |
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367 } |
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368 else if ( iState == EStatePlaying ) |
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369 { |
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370 iPeriodizer->Stop(); |
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371 iParent.HandlePlayStarted(); |
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372 } |
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373 else if ( iState == EStateStopped ) |
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374 { |
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375 if ( iCurrentOperation == EPbCmdPlay || |
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376 iCurrentOperation == EPbCmdReplay ) |
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377 { |
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378 TimePlay(); |
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379 iParent.HandlePlayStarted(); |
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380 ChangeState( EStatePlaying ); |
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381 iCurrentOperation.Reset(); |
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382 TRAP_IGNORE( CheckOperationInQueueL() ); |
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383 iParent.Observer().HandlePluginEvent( |
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384 MMPXPlaybackPluginObserver::EPPlaying, KErrNone, |
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385 aErrorCode ); |
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386 } |
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387 else |
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388 { |
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389 // spontaneous change to PLAYING state -> ignore |
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390 } |
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391 } |
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392 |
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393 } |
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394 else |
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395 { |
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396 ChangeState( EStateUnknown ); |
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397 } |
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398 break; |
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399 } |
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400 case EUPnPAVPlay: |
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401 { |
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402 if ( iState == EStatePlaying ) |
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403 { |
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404 __LOG( "PlaybackStateMachine: event play ignored" ); |
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405 break; |
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406 } |
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407 |
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408 __LOG( "PlaybackStateMachine: event play" ); |
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409 |
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410 if ( aErrorCode == KErrNone ) |
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411 { |
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412 if ( iState == EStateStopped ) |
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413 { |
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414 TimePlay(); |
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415 iPeriodizer->Start(); |
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416 iPeriodizerEnd->Start(); |
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417 } |
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418 else if ( iState == EStatePaused ) |
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419 { |
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420 TimeContinue(); |
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421 iPeriodizer->Stop(); |
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422 iPeriodizer->Start(); |
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423 iPeriodizerEnd->Stop(); |
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424 iPeriodizerEnd->Start(); |
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425 } |
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426 ChangeState( EStatePlaying ); |
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427 } |
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428 else |
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429 { |
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430 ChangeState( EStateUnknown ); |
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431 } |
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432 |
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433 iCurrentOperation.Reset(); |
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434 TRAP_IGNORE( CheckOperationInQueueL() ); |
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435 break; |
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436 } |
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437 case EUPnPAVPauseUser: |
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438 { |
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439 if ( !iCurrentOperation.None() || |
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440 iState == EStatePaused ) |
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441 { |
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442 __LOG( "PlaybackStateMachine: event pause user ignored" ); |
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443 break; |
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444 } |
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445 __LOG( "PlaybackStateMachine: event pause user" ); |
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446 |
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447 if( aErrorCode == KErrNone ) |
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448 { |
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449 TimePause(); |
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450 ChangeState( EStatePaused ); |
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451 iPeriodizerEnd->Stop(); |
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452 } |
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453 else |
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454 { |
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455 ChangeState( EStateUnknown ); |
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456 } |
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457 |
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458 // Call callback |
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459 iParent.Observer().HandlePluginEvent( |
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460 MMPXPlaybackPluginObserver::EPPaused, KErrNone, |
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461 aErrorCode ); |
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462 break; |
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463 } |
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464 |
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465 case EUPnPAVPause: |
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466 { |
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467 __LOG( "PlaybackStateMachine: event pause" ); |
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468 |
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469 TInt err = aErrorCode; |
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470 if( aErrorCode == KErrNone ) |
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471 { |
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472 TimePause(); |
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473 ChangeState( EStatePaused ); |
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474 iPeriodizerEnd->Stop(); |
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475 } |
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476 else if( aErrorCode == KErrNotSupported ) |
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477 { |
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478 // Pause is supported (pause capability checked in CommandL ) |
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479 // but device is not ready. |
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480 err = KErrNotReady; |
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481 } |
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482 else |
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483 { |
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484 ChangeState( EStateUnknown ); |
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485 } |
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486 |
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487 if ( iCurrentOperation == EPbCmdPause ) |
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488 { |
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489 iCurrentOperation.Reset(); |
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490 TRAP_IGNORE( CheckOperationInQueueL() ); |
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491 iParent.Observer().HandlePluginEvent( |
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492 MMPXPlaybackPluginObserver::EPPaused, KErrNone, |
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493 err ); |
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494 } |
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495 else |
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496 { |
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497 iCurrentOperation.Reset(); |
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498 TRAP_IGNORE( CheckOperationInQueueL() ); |
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499 } |
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500 break; |
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501 } |
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502 case EUPnPAVStopUser: |
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503 { |
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504 iPeriodizerEnd->Stop(); |
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505 if ( !iCurrentOperation.None() || |
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506 iState == EStateStopped ) |
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507 { |
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508 __LOG( "PlaybackStateMachine: event stop user ignored" ); |
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509 break; |
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510 } |
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511 __LOG( "PlaybackStateMachine: event stop user" ); |
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512 |
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513 TBool trackComplete = TimeStop(); |
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514 if ( aErrorCode == KErrNone ) |
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515 { |
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516 ChangeState( EStateStopped ); |
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517 iParent.HandlePlayComplete(); |
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518 } |
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519 else |
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520 { |
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521 ChangeState( EStateUnknown ); |
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522 } |
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523 |
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524 // Call callback |
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525 if ( trackComplete ) |
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526 { |
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527 __LOG( "PlaybackStateMachine: play complete event to user" ); |
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528 iParent.Observer().HandlePluginEvent( |
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529 MMPXPlaybackPluginObserver::EPPlayComplete, KErrNone, |
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530 aErrorCode ); |
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531 } |
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532 else |
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533 { |
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534 __LOG( "PlaybackStateMachine: play stopped event to user" ); |
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535 iParent.Observer().HandlePluginEvent( |
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536 MMPXPlaybackPluginObserver::EPStopped, KErrNone, |
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537 aErrorCode ); |
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538 } |
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539 break; |
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540 } |
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541 case EUPnPAVStop: |
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542 { |
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543 iPeriodizerEnd->Stop(); |
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544 if ( iState == EStateStopped ) |
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545 { |
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546 // already in this state - ignore |
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547 break; |
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548 } |
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549 __LOG( "PlaybackStateMachine: event stop" ); |
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550 |
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551 if ( aErrorCode == KErrNone ) |
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552 { |
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553 ChangeState( EStateStopped ); |
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554 } |
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555 else |
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556 { |
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557 ChangeState( EStateUnknown ); |
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558 } |
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559 |
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560 if ( iCurrentOperation == EPbCmdStop ) |
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561 { |
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562 iCurrentOperation.Reset(); |
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563 TRAP_IGNORE( CheckOperationInQueueL() ); |
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564 // Call callback |
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565 iParent.Observer().HandlePluginEvent( |
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566 MMPXPlaybackPluginObserver::EPStopped, KErrNone, |
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567 aErrorCode ); |
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568 } |
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569 else if ( iCurrentOperation == EPbCmdReplay || |
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570 iCurrentOperation == EOperationPositionToZero ) |
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571 { |
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572 // continue with play |
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573 TRAP_IGNORE( iRendererSession.PlayL() ); |
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574 } |
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575 else if ( iCurrentOperation == |
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576 EOperationPositionToZeroDuringPause ) |
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577 { |
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578 // position zero complete |
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579 iCurrentOperation.Reset(); |
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580 TRAP_IGNORE( CheckOperationInQueueL() ); |
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581 |
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582 iParent.Observer().HandlePluginEvent( |
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583 MMPXPlaybackPluginObserver::EPSetComplete, |
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584 EPbPropertyPosition, aErrorCode ); |
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585 } |
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586 else |
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587 { |
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588 // Note: covers also EOperationSilentStop |
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589 iCurrentOperation.Reset(); |
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590 TRAP_IGNORE( CheckOperationInQueueL() ); |
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591 } |
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592 break; |
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593 } |
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594 default: |
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595 { |
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596 __LOG( "PlaybackStateMachine: event default?" ); |
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597 __PANICD( __FILE__, __LINE__ ); |
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598 break; |
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599 } |
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600 } |
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601 } |
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602 |
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603 // -------------------------------------------------------------------------- |
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604 // CUPnPPlaybackStateMachine::CheckOperationInQueueL |
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605 // Checks if operations are in the queue, and executes |
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606 // -------------------------------------------------------------------------- |
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607 // |
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608 void CUPnPPlaybackStateMachine::CheckOperationInQueueL() |
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609 { |
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610 if ( !iCurrentOperation.None() ) |
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611 { |
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612 // check operation though a current operation exists! |
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613 __PANICD( __FILE__, __LINE__ ); |
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614 return; |
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615 } |
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616 |
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617 if ( iOperationQueue.Count() > 0 ) |
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618 { |
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619 TOperation op = iOperationQueue[0]; |
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620 iOperationQueue.Remove(0); |
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621 if ( op == EOperationCommand ) |
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622 { |
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623 CommandL( op.iCmd ); |
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624 } |
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625 else if ( op == EOperationPositionToZero ) |
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626 { |
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627 PositionL( 0 ); |
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628 } |
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629 else |
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630 { |
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631 __PANICD( __FILE__, __LINE__ ); |
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632 } |
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633 } |
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634 } |
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635 |
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636 // -------------------------------------------------------------------------- |
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637 // CUPnPPlaybackStateMachine::TimePlay |
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638 // -------------------------------------------------------------------------- |
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639 // |
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640 void CUPnPPlaybackStateMachine::TimePlay() |
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641 { |
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642 iPlayMark.UniversalTime(); |
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643 iPausetime = 0; |
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644 } |
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645 |
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646 // -------------------------------------------------------------------------- |
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647 // CUPnPPlaybackStateMachine::TimePause |
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648 // -------------------------------------------------------------------------- |
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649 // |
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650 void CUPnPPlaybackStateMachine::TimePause() |
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651 { |
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652 iPauseMark.UniversalTime(); |
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653 } |
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654 |
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655 // -------------------------------------------------------------------------- |
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656 // CUPnPPlaybackStateMachine::TimeContinue |
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657 // -------------------------------------------------------------------------- |
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658 // |
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659 void CUPnPPlaybackStateMachine::TimeContinue() |
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660 { |
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661 TTime continueMark; |
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662 continueMark.UniversalTime(); |
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663 TTimeIntervalMicroSeconds paused = |
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664 continueMark.MicroSecondsFrom( iPauseMark ); |
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665 iPausetime += ( paused.Int64() / 1000 ); |
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666 } |
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667 |
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668 |
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669 // -------------------------------------------------------------------------- |
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670 // CUPnPPlaybackStateMachine::TimeStop |
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671 // -------------------------------------------------------------------------- |
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672 // |
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673 TBool CUPnPPlaybackStateMachine::TimeStop() |
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674 { |
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675 TBool isCompleted = ETrue; |
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676 if ( !iPlayMark.Int64() ) |
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677 { |
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678 isCompleted = EFalse; |
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679 return isCompleted; |
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680 } |
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681 TTime stopMark; |
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682 stopMark.UniversalTime(); |
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683 TTimeIntervalMicroSeconds played = |
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684 stopMark.MicroSecondsFrom( iPlayMark ); |
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685 |
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686 TInt duration = iParent.Track().TrackDuration(); |
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687 TInt playtime = ( played.Int64() / 1000 ) - iPausetime; |
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688 __LOG3("PlaybackStateMachine: playtime=%d duration=%d (pausetime=%d)", |
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689 playtime/1000, duration/1000, iPausetime/1000 ); |
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690 |
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691 if ( playtime >= 0 && |
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692 playtime < duration - KDurationErrorMargin ) |
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693 { |
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694 // [0 - duration-margin] |
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695 isCompleted= EFalse; |
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696 } |
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697 else if ( playtime >= duration - KDurationErrorMargin && |
|
698 playtime <= duration + KDurationErrorMargin ) |
|
699 { |
|
700 // [duration-margin - duration+margin] |
|
701 isCompleted= ETrue; |
|
702 } |
|
703 else |
|
704 { |
|
705 // position either negative or greater than duration ?? |
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706 __LOG2("Time ERROR: play=%d duration=%d ?", playtime, duration ); |
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707 isCompleted= ETrue; |
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708 } |
|
709 |
|
710 return isCompleted; |
|
711 } |
|
712 |
|
713 |
|
714 // -------------------------------------------------------------------------- |
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715 // CUPnPPlaybackStateMachine::ChangeState |
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716 // Changes the class state |
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717 // -------------------------------------------------------------------------- |
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718 // |
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719 void CUPnPPlaybackStateMachine::ChangeState( TState aNewState ) |
|
720 { |
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721 __LOG2( "PlaybackStateMachine: STATE %S -> %S", |
|
722 State( iState ), State( aNewState ) ); |
|
723 iState = aNewState; |
|
724 } |
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725 |
|
726 // -------------------------------------------------------------------------- |
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727 // CUPnPPlaybackStateMachine::State |
|
728 // -------------------------------------------------------------------------- |
|
729 // |
|
730 const TDesC* CUPnPPlaybackStateMachine::State( TState aState ) |
|
731 { |
|
732 switch( aState ) |
|
733 { |
|
734 case EStateStopped: |
|
735 return &KStateStoppedText; |
|
736 case EStatePlaying: |
|
737 return &KStatePlayingText; |
|
738 case EStatePaused: |
|
739 return &KStatePausedText; |
|
740 default: |
|
741 return &KStateUnknownText; |
|
742 } |
|
743 } |
|
744 |
|
745 // -------------------------------------------------------------------------- |
|
746 // CUPnPPlaybackStateMachine::HandlePeriod |
|
747 // Action when timer has expired. |
|
748 // -------------------------------------------------------------------------- |
|
749 // |
|
750 void CUPnPPlaybackStateMachine::HandlePeriod() |
|
751 { |
|
752 __LOG( "CUPnPPlaybackStateMachine::HandlePeriod" ); |
|
753 |
|
754 // Remote device is ready for give playback information. |
|
755 iPeriodizer->Stop(); |
|
756 iParent.HandlePlayStarted(); |
|
757 } |
|
758 |
|
759 // -------------------------------------------------------------------------- |
|
760 // CUPnPPlaybackStateMachine::HandlePeriodForEnd |
|
761 // Action when timer has expired. |
|
762 // -------------------------------------------------------------------------- |
|
763 // |
|
764 void CUPnPPlaybackStateMachine::HandlePeriodForEnd() |
|
765 { |
|
766 TBool trackComplete = TimeStop(); |
|
767 if ( trackComplete ) |
|
768 { |
|
769 iPeriodizerEnd->Stop(); |
|
770 PlayOvertimeEnd(); |
|
771 } |
|
772 else |
|
773 { |
|
774 iPeriodizerEnd->Start(); |
|
775 } |
|
776 } |
|
777 |
|
778 // -------------------------------------------------------------------------- |
|
779 // CUPnPPlaybackStateMachine::PlayOvertimeEnd |
|
780 // Stoping the playing song. |
|
781 // -------------------------------------------------------------------------- |
|
782 // |
|
783 void CUPnPPlaybackStateMachine::PlayOvertimeEnd() |
|
784 { |
|
785 if ( !iCurrentOperation.None() || |
|
786 iState == EStateStopped || iState == EStateUnknown) |
|
787 { |
|
788 return; |
|
789 } |
|
790 ChangeState( EStateStopped ); |
|
791 iParent.HandlePlayComplete(); |
|
792 iParent.Observer().HandlePluginEvent( |
|
793 MMPXPlaybackPluginObserver::EPPlayComplete, KErrNone, |
|
794 KErrNone ); |
|
795 } |
|
796 |
|