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1 /* |
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2 * Copyright (c) 2006 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: Initialize a file before playback |
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15 * |
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16 */ |
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17 |
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18 #include <mpxcollectionpath.h> |
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19 #include <mpxmediageneraldefs.h> |
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20 #include <mpxmediadrmdefs.h> |
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21 #include <mpxmediamusicdefs.h> |
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22 #include <mpxcommandgeneraldefs.h> |
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23 #include <mpxmedia.h> |
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24 #include <mpxcollectionplaylist.h> |
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25 #include <mpxplaybackplugin.h> |
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26 #include <mpxlog.h> |
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27 #include <mpxmediageneralextdefs.h> |
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28 #include <mpxplaybackpluginversion2.h> |
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29 |
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30 #include "mpxplaybackinitializer.h" |
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31 #include "mpxplaybackpluginhandler.h" |
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32 #include "mpxplaybackengine.h" |
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33 #include "mpxplaybackmediahelper.h" |
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34 |
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35 const TInt KMPXInitTimer = 3000000; // 3 seconds |
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36 |
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37 // ---------------------------------------------------------------------------- |
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38 // CMPXPlaybackInitializer* NewL |
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39 // ---------------------------------------------------------------------------- |
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40 // |
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41 CMPXPlaybackInitializer* CMPXPlaybackInitializer::NewL( |
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42 CMPXPlaybackEngine& aEngine, |
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43 CMPXPlaybackMediaHelper& aMediaHelper ) |
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44 { |
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45 CMPXPlaybackInitializer* self = new (ELeave) |
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46 CMPXPlaybackInitializer( aEngine, aMediaHelper ); |
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47 CleanupStack::PushL( self ); |
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48 self->ConstructL(); |
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49 CleanupStack::Pop( self ); |
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50 return self; |
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51 } |
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52 |
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53 // ---------------------------------------------------------------------------- |
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54 // Constructor |
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55 // ---------------------------------------------------------------------------- |
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56 // |
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57 CMPXPlaybackInitializer::CMPXPlaybackInitializer( |
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58 CMPXPlaybackEngine& aEngine, |
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59 CMPXPlaybackMediaHelper& aMediaHelper ) |
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60 : iState( EPbStateNotInitialised ), |
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61 iEngine( aEngine ), |
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62 iMediaHelper( aMediaHelper ) |
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63 { |
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64 } |
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65 |
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66 // ---------------------------------------------------------------------------- |
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67 // CMPXPlaybackInitializer::ConstructL |
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68 // ---------------------------------------------------------------------------- |
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69 // |
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70 void CMPXPlaybackInitializer::ConstructL() |
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71 { |
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72 iMedia = CMPXMedia::NewL(); |
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73 iTimer = CPeriodic::NewL( CActive::EPriorityIdle ); |
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74 } |
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75 |
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76 // ---------------------------------------------------------------------------- |
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77 // Destructor |
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78 // ---------------------------------------------------------------------------- |
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79 // |
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80 CMPXPlaybackInitializer::~CMPXPlaybackInitializer() |
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81 { |
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82 delete iMedia; |
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83 delete iMediaMessage; |
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84 Close(); |
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85 CancelPreInitTimer(); |
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86 delete iTimer; |
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87 } |
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88 |
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89 // ---------------------------------------------------------------------------- |
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90 // CMPXPlaybackInitializer::Init |
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91 // ---------------------------------------------------------------------------- |
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92 // |
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93 void CMPXPlaybackInitializer::Init( CMPXCollectionPlaylist& aPlaylist ) |
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94 { |
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95 MPX_FUNC_EX("CMPXPlaybackInitializer::Init aPlaylist"); |
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96 |
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97 // Check if we already initialized the song in this playlist, |
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98 // if so then do nothing |
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99 if ( !IsInitializing( aPlaylist )) |
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100 { |
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101 Reset(); // clean up all resources (start again) |
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102 delete iHandler; |
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103 iHandler = NULL; |
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104 |
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105 // Save the path index and count. This is just in case the |
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106 // engine calls InitL() again before we make a call to |
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107 // Request media, because these are used to check if we're |
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108 // initializing the same song in the IsInitializing() method. |
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109 iPathIndex = aPlaylist.Path().Index(); |
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110 iInitPlaylistCount = iEngine.iPlaylist->Count(); |
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111 } |
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112 } |
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113 |
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114 // ---------------------------------------------------------------------------- |
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115 // CMPXPlaybackInitializer::Next |
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116 // Advance the playlist and start initializing (return ETrue) or if there's |
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117 // no next song, does nothing (return EFalse) |
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118 // ---------------------------------------------------------------------------- |
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119 // |
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120 TBool CMPXPlaybackInitializer::Next() |
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121 { |
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122 MPX_FUNC("CMPXPlaybackInitializer::Next"); |
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123 |
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124 ASSERT( iEngine.iPlaylist ); |
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125 |
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126 TInt nextPlIndex( KErrNotFound ); |
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127 TBool playNext( iEngine.iPlaylist->NextIndex( EFalse, nextPlIndex )); |
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128 Reset(); // Reset state |
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129 |
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130 // Only pre-init if there is a next song |
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131 if ( playNext ) |
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132 { |
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133 MPX_DEBUG1("CMPXPlaybackInitializer::Next(): Starting timer"); |
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134 iPathIndex = iEngine.iPlaylist->PathIndex( nextPlIndex ); |
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135 iInitPlaylistCount = iEngine.iPlaylist->Count(); |
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136 CancelPreInitTimer(); |
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137 // Start timer |
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138 iTimer->Start( |
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139 KMPXInitTimer, |
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140 KMPXInitTimer, |
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141 TCallBack(PreInitTimerCallback, this )); |
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142 } |
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143 return playNext; |
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144 } |
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145 |
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146 // ---------------------------------------------------------------------------- |
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147 // CMPXPlaybackInitializer::SetActiveL. Swaps the item being handled in the |
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148 // initializer to the engine, which takes over in whatever state it currently |
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149 // is in |
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150 // ---------------------------------------------------------------------------- |
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151 // |
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152 void CMPXPlaybackInitializer::SetActiveL() |
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153 { |
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154 ASSERT(iEngine.iPlaylist); |
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155 MPX_DEBUG3("-->CMPXPlaybackInitializer::SetActiveL state %d, error %d", |
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156 iState, iError); |
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157 CancelPreInitTimer(); |
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158 switch(iState) |
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159 { |
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160 case EPbStateNotInitialised: |
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161 // |
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162 // From NewL()/InitL()/NextL()/PreviousL() |
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163 // up until the requested media URI is returned. |
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164 // Need to swap the playlist only (no plugin has |
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165 // yet been resolved |
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166 // |
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167 { |
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168 if (iEngine.iPlaylist) |
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169 { |
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170 // |
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171 // Get the URI from the collection - the callback triggers |
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172 // the initialization |
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173 // |
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174 RequestMediaL(); |
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175 UpdateMediaForwarding(); |
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176 } |
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177 break; |
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178 } |
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179 |
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180 case EPbStateInitialising: |
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181 // |
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182 // From NewL()/InitL()/NextL()/PreviousL() up |
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183 // until the URI has been returned, plug-in is |
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184 // being intialized OR an error has been returned |
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185 // from playlist |
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186 // |
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187 { |
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188 UpdateMediaForwarding(); |
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189 SwapUriL(); |
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190 SwapFlag(); |
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191 if (iError==KErrNone) |
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192 // |
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193 // Plug-in must be initialising |
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194 // |
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195 { |
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196 SwapPluginL(); |
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197 } |
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198 else |
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199 { |
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200 // |
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201 // Hasn't got as far as initialising a plug-in |
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202 // |
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203 iEngine.HandleCollectionMediaL(*iMedia,iError); |
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204 } |
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205 break; |
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206 } |
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207 |
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208 case EPbStateStopped: |
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209 // |
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210 // From NewL()/InitL()/NextL()/PreviousL() up |
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211 // until the plug-in has been initialised, either |
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212 // successfully or with an error |
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213 // |
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214 { |
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215 UpdateMediaForwarding(); |
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216 SwapPluginL(); |
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217 SwapUriL(); |
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218 SwapFlag(); |
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219 if (iError==KErrNone) |
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220 { |
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221 iEngine.HandlePluginEvent(EPInitialised,iDuration,KErrNone); |
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222 } |
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223 else |
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224 { |
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225 iEngine.HandlePluginEvent(EPInitialised,0,iError); |
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226 } |
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227 break; |
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228 } |
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229 default: |
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230 ASSERT(0) ; |
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231 } |
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232 MPX_DEBUG1("<--CMPXPlaybackInitializer::SetActiveL"); |
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233 } |
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234 |
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235 // ---------------------------------------------------------------------------- |
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236 // CMPXPlaybackInitializer::Close. Resets and destroys all resources owned by |
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237 // initializer |
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238 // ---------------------------------------------------------------------------- |
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239 // |
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240 void CMPXPlaybackInitializer::Close() |
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241 { |
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242 MPX_FUNC("CMPXPlaybackInitializer::Close"); |
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243 CancelPreInitTimer(); |
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244 Reset(); // must come after handler deletion |
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245 delete iHandler; |
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246 iHandler=NULL; |
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247 } |
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248 |
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249 // ---------------------------------------------------------------------------- |
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250 // Gets the current item id in use by the initializer |
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251 // ---------------------------------------------------------------------------- |
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252 // |
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253 TMPXItemId CMPXPlaybackInitializer::CurrentInitItemId() |
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254 { |
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255 TMPXItemId id( KMPXInvalidItemId ); |
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256 if( iState != EPbStateNotInitialised && iEngine.iPlaylist ) |
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257 { |
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258 id = iEngine.iPlaylist->Path().Id(); |
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259 } |
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260 return id; |
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261 } |
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262 |
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263 // ---------------------------------------------------------------------------- |
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264 // Implementation uid of the plugin for pre-initialzer |
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265 // ---------------------------------------------------------------------------- |
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266 // |
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267 TUid CMPXPlaybackInitializer::PluginUid() |
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268 { |
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269 TUid uid(KNullUid); |
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270 if (iHandler) |
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271 { |
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272 if (iHandler->Plugin()) |
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273 { |
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274 uid = iHandler->Plugin()->Uid(); |
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275 } |
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276 } |
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277 return uid; |
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278 } |
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279 |
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280 // ---------------------------------------------------------------------------- |
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281 // CMPXPlaybackInitializer::Reset. Resets such that next media can be initialised |
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282 // ---------------------------------------------------------------------------- |
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283 // |
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284 void CMPXPlaybackInitializer::Reset() |
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285 { |
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286 MPX_FUNC("CMPXPlaybackInitializer::Reset"); |
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287 // |
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288 // Cancel any activity with current plug-in |
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289 // |
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290 if (iHandler) |
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291 { |
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292 if (iHandler->Plugin()) |
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293 { |
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294 TRAP_IGNORE(iHandler->Plugin()->CommandL(EPbCmdStop)); |
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295 TRAP_IGNORE(iHandler->Plugin()->CommandL(EPbCmdClose)); |
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296 } |
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297 } |
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298 // |
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299 // Reset data associated with previous initialization |
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300 // |
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301 iState = EPbStateNotInitialised; |
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302 iError = KErrNone; |
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303 iDuration = 0; |
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304 iPathIndex = KErrNotFound; |
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305 iInitPlaylistCount = 0; |
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306 } |
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307 |
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308 // ---------------------------------------------------------------------------- |
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309 // CMPXPlaybackInitializer::RequestMediaL |
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310 // Get the Media from the collection - the callback triggers |
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311 // the initialization |
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312 // ---------------------------------------------------------------------------- |
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313 // |
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314 void CMPXPlaybackInitializer::RequestMediaL( ) |
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315 { |
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316 ASSERT(iEngine.iPlaylist); |
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317 |
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318 MPX_DEBUG3("-->CMPXPlaybackInitializer::RequestMediaL 0x%08x item index %d", |
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319 this, iEngine.iPlaylist->Index()); |
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320 // Reset media message |
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321 delete iMediaMessage; |
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322 iMediaMessage = NULL; |
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323 iErrorOfMediaMessage = KErrNone; |
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324 |
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325 // Setup attribute array |
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326 RArray<TMPXAttribute> attrs; |
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327 CleanupClosePushL(attrs); |
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328 attrs.Append(KMPXMediaGeneralId); |
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329 attrs.Append(KMPXMediaGeneralUri); |
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330 attrs.Append(KMPXMediaGeneralMimeType); |
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331 attrs.Append(KMPXMediaGeneralLastPlaybackPosition); |
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332 attrs.Append(KMPXMediaGeneralFlags); |
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333 attrs.Append(KMPXMediaGeneralDuration); |
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334 attrs.Append(KMPXMediaGeneralTitle); |
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335 attrs.Append( KMPXMediaMusicArtist ); |
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336 |
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337 // Create object to hold attributes and specs |
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338 CMPXCommand* cmd = CMPXCommand::NewL(); |
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339 CleanupStack::PushL( cmd ); |
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340 cmd->SetTObjectValueL<TInt>(KMPXCommandGeneralId, KMPXCommandContentIdMedia); |
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341 CBufBase* buf = CBufFlat::NewL( KMPXBufGranularity ); |
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342 CleanupStack::PushL( buf ); |
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343 |
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344 RBufWriteStream writeStream( *buf ); |
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345 CleanupClosePushL( writeStream ); |
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346 // externalize attributes array |
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347 ::ExternalizeL(attrs.Array(), writeStream); |
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348 // Close and compress buffer |
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349 writeStream.CommitL(); |
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350 buf->Compress(); |
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351 CleanupStack::PopAndDestroy( &writeStream ); |
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352 TPtrC ptr( MPXUser::Ptr( buf->Ptr( 0 ))); |
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353 cmd->SetTextValueL( KMPXCommandMediaAttribute, ptr ); |
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354 |
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355 CMPXAttributeSpecs* attrSpecs( CMPXAttributeSpecs::NewL() ); |
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356 CleanupStack::PushL( attrSpecs ); |
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357 cmd->SetCObjectValueL<CMPXAttributeSpecs>( |
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358 KMPXCommandMediaAttributeSpecs, attrSpecs ); |
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359 CleanupStack::PopAndDestroy( attrSpecs ); |
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360 |
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361 // Instead of copying the whole path object, which may be large due |
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362 // to number of songs in the list, just get the container path and |
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363 // append the item ID to that. This saves memory and time. |
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364 const CMPXCollectionPath& path( iEngine.iPlaylist->Path() ); |
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365 CMPXCollectionPath* initPath( path.ContainerPathL() ); |
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366 CleanupStack::PushL( initPath ); |
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367 initPath->AppendL( path.IdOfIndex( iPathIndex ) ); |
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368 |
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369 iMediaHelper.MediaL( *initPath, |
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370 cmd, // ownership passed |
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371 this ); |
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372 CleanupStack::PopAndDestroy( initPath ); |
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373 CleanupStack::PopAndDestroy( buf ); |
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374 CleanupStack::Pop( cmd ); |
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375 CleanupStack::PopAndDestroy( &attrs ); |
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376 iMediaRequested = ETrue; |
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377 MPX_DEBUG2("<--CMPXPlaybackInitializer::RequestMediaL 0x%08x", this); |
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378 } |
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379 |
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380 // ---------------------------------------------------------------------------- |
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381 // CMPXPlaybackInitializer::UpdateMediaForwarding. Updates the forwarding variable |
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382 // to send the media to the engine if a media has been requested. |
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383 // ---------------------------------------------------------------------------- |
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384 // |
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385 void CMPXPlaybackInitializer::UpdateMediaForwarding() |
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386 { |
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387 MPX_FUNC("CMPXPlaybackInitializer::UpdateMediaForwarding"); |
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388 |
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389 // Forward the media to the engine if it has been requested. |
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390 |
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391 // The difference between the iMediaToEngine and iMediaRequested flags, |
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392 // is that if the engine calls this method first (through SetActive()), |
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393 // but the media has not been requested yet, then we want to make sure |
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394 // in that case to not forward the subsequent media requests |
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395 iMediaToEngine = iMediaRequested ? ETrue : EFalse; |
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396 } |
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397 |
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398 // ---------------------------------------------------------------------------- |
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399 // CMPXPlaybackInitializer::SwapPluginL. Swaps the plugin being handled in the |
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400 // initializer to the engine, which takes over in whatever state it currently |
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401 // is in |
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402 // ---------------------------------------------------------------------------- |
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403 // |
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404 void CMPXPlaybackInitializer::SwapPluginL() |
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405 { |
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406 MPX_DEBUG1("==>CMPXPlaybackInitializer::SwapPluginL"); |
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407 // unfinished business with old playback plug-in |
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408 if (iEngine.iPluginHandler->Plugin()) |
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409 { |
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410 iEngine.iPluginHandler->Plugin()->CancelRequest(); |
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411 } |
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412 TInt index( iEngine.iPlaylist->Index() ); |
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413 TMPXPlaybackMessage msg( TMPXPlaybackMessage::EStateChanged, |
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414 EPbStateInitialising, |
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415 index ); |
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416 iEngine.SetStateL( msg ); |
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417 TRAPD(err, iEngine.DoStopL()); |
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418 if (err) |
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419 { // play is not available. e.g. power off |
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420 MPX_DEBUG2("CMPXPlaybackInitializer::SwapPluginL stop leave %d", err); |
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421 iError = err; // save error |
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422 } |
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423 else |
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424 { |
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425 if ( iMedia ) |
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426 { |
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427 iEngine.RestorePlaybackPositionAndStateL( *iMedia ); |
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428 } |
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429 // |
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430 // Set plug-in handler |
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431 // |
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432 if ( iHandler ) |
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433 { |
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434 CMPXPlaybackPluginHandler*& h=iEngine.iPluginHandler; |
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435 delete h; // delete engine's handler |
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436 |
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437 // plug-in handler now reports to engine |
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438 iHandler->SetObserver(iEngine); |
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439 |
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440 if (iHandler->Plugin()) |
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441 { |
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442 iHandler->Plugin()->SetObserver(iEngine); |
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443 } |
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444 |
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445 h=iHandler; // replace engine's handler |
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446 iHandler=NULL; // reset handler in initializer |
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447 } |
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448 |
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449 if (iMediaMessage) |
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450 { |
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451 iEngine.HandlePlaybackMessage(iMediaMessage, iErrorOfMediaMessage); |
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452 } |
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453 } |
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454 MPX_DEBUG1("<==CMPXPlaybackInitializer::SwapPluginL"); |
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455 } |
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456 |
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457 // ---------------------------------------------------------------------------- |
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458 // CMPXPlaybackInitializer::SwapUriL. Swaps the item uri in the engine |
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459 // Only in the EPbStateInitialising and EPbStateStopped states |
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460 // ---------------------------------------------------------------------------- |
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461 // |
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462 void CMPXPlaybackInitializer::SwapUriL() |
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463 { |
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464 // Update the engine's uri to the item that was in the initializer |
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465 // |
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466 delete iEngine.iUri ; |
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467 iEngine.iUri = NULL; |
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468 if ( iMedia->IsSupported( KMPXMediaGeneralUri )) |
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469 { |
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470 iEngine.iUri = iMedia->ValueText(KMPXMediaGeneralUri).AllocL(); |
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471 } |
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472 } |
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473 |
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474 // ---------------------------------------------------------------------------- |
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475 // CMPXPlaybackInitializer::SwapFlag. Swaps the item db flag in the engine |
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476 // Only in the EPbStateInitialising and EPbStateStopped states |
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477 // ---------------------------------------------------------------------------- |
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478 // |
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479 void CMPXPlaybackInitializer::SwapFlag() |
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480 { |
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481 // Update the engine's flag to the item that was in the initializer |
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482 // |
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483 if ( iMedia->IsSupported( KMPXMediaGeneralFlags ) ) |
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484 { |
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485 iEngine.iDbFlag = iMedia->ValueTObjectL<TUint>( KMPXMediaGeneralFlags ); |
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486 } |
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487 else // not supported, reset to 0 |
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488 { |
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489 iEngine.iDbFlag = 0; |
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490 } |
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491 |
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492 // Also swap item id |
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493 if ( iMedia->IsSupported( KMPXMediaGeneralId )) |
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494 { |
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495 iEngine.iItemId = iMedia->ValueTObjectL<TMPXItemId>( KMPXMediaGeneralId ); |
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496 } |
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497 else |
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498 { |
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499 iEngine.iItemId = KMPXInvalidItemId; |
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500 } |
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501 |
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502 // Also swap duration value |
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503 if ( iMedia->IsSupported( KMPXMediaGeneralDuration )) |
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504 { |
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505 iEngine.iMediaDuration = iMedia->ValueTObjectL<TInt>( KMPXMediaGeneralDuration ); |
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506 } |
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507 else |
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508 { |
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509 iEngine.iMediaDuration = 0; |
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510 } |
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511 iEngine.iAccessPointSet = EFalse; |
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512 if ( iMedia->IsSupported(KMPXMediaGeneralExtAccessPoint) ) |
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513 { |
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514 TInt accessPoint = iMedia->ValueTObjectL<TInt>( KMPXMediaGeneralExtAccessPoint ); |
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515 iEngine.iAccessPoint = accessPoint; |
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516 if ( accessPoint ) |
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517 { |
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518 iEngine.iAccessPointSet = ETrue; |
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519 } |
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520 } |
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521 else |
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522 { |
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523 iEngine.iAccessPoint = 0; |
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524 } |
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525 } |
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526 |
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527 // ---------------------------------------------------------------------------- |
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528 // CMPXPlaybackInitializer::IsInitializing |
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529 // ---------------------------------------------------------------------------- |
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530 // |
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531 TBool CMPXPlaybackInitializer::IsInitializing( |
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532 const CMPXCollectionPlaylist& aPlaylist) |
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533 { |
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534 MPX_FUNC("CMPXPlaybackInitializer::IsInitializing aPlaylist"); |
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535 TBool ret=ETrue; |
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536 |
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537 if ( !iEngine.iPlaylist ) |
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538 { |
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539 ret=EFalse; |
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540 } |
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541 else if ( iPathIndex != aPlaylist.Path().Index() || |
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542 iInitPlaylistCount != aPlaylist.Count() || |
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543 aPlaylist.Levels() == 0 ) |
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544 { |
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545 ret=EFalse; |
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546 } |
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547 else if ( iHandler ) |
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548 // |
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549 // Check that PI obeys the same selection criteria as that of the |
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550 // engine, else we may have the wrong plug-in |
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551 // |
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552 { |
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553 if (iHandler->Plugin()) |
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554 { |
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555 TMPXPlaybackPlayerType t1; |
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556 TUid u1; |
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557 TInt i1; |
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558 TPtrC n1; |
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559 iHandler->GetSelection(t1,u1,i1,n1); |
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560 |
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561 TMPXPlaybackPlayerType t2; |
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562 TUid u2; |
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563 TInt i2; |
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564 TPtrC n2; |
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565 iEngine.iPluginHandler->GetSelection(t2,u2,i2,n2); |
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566 |
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567 ret=(t1==t2 && u1==u2 && i1==i2); |
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568 } |
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569 } |
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570 |
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571 MPX_DEBUG3("CMPXPlaybackInitializer::IsInitializing plugin=%08x, ret=%d", |
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572 iHandler ? iHandler->Plugin() : NULL, ret); |
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573 return ret; |
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574 } |
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575 |
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576 // ---------------------------------------------------------------------------- |
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577 // CMPXPlaybackInitializer::InitL |
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578 // ---------------------------------------------------------------------------- |
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579 // |
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580 void CMPXPlaybackInitializer::InitL(const CMPXMedia& aMedia,TInt aError) |
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581 { |
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582 MPX_FUNC("CMPXPlaybackInitializer::InitL(const CMPXMedia& aMedia,TInt aError)"); |
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583 iState=EPbStateInitialising; |
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584 if (aError==KErrNone) |
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585 { |
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586 *iMedia = aMedia; // Copy and save media(Uri) from collection |
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587 |
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588 // |
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589 // No error, get the URI |
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590 // |
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591 const TDesC& uri=aMedia.ValueText(KMPXMediaGeneralUri); |
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592 if (uri.Length()) |
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593 { |
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594 // |
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595 // Got the URI, so get a plug-in and go |
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596 // |
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597 if (!iHandler) |
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598 { |
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599 iHandler=CMPXPlaybackPluginHandler::NewL(iEngine.iPluginMonitor, |
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600 *this, *this); |
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601 // arg=plug-in observer |
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602 // |
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603 // Copy selection criteria |
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604 // |
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605 TMPXPlaybackPlayerType t; |
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606 TUid u; |
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607 TInt i; |
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608 TPtrC n; |
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609 iEngine.iPluginHandler->GetSelection(t,u,i,n); |
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610 |
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611 if (i!=KErrNotFound) |
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612 { |
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613 iHandler->SelectSubPlayerL(u,i); |
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614 } |
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615 else if (u!=KNullUid) |
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616 { |
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617 iHandler->SelectPlayerL(u); |
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618 } |
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619 else |
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620 { |
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621 iHandler->SelectPlayersL(t); |
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622 } |
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623 } |
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624 TInt accessPoint = 0; |
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625 if ( aMedia.IsSupported(KMPXMediaGeneralExtAccessPoint) ) |
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626 { |
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627 accessPoint = aMedia.ValueTObjectL<TInt>( KMPXMediaGeneralExtAccessPoint ); |
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628 MPX_DEBUG2("CMPXPlaybackInitializer::InitL accessPoint %d", accessPoint ); |
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629 } |
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630 HBufC8* mimeType = |
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631 MPXUser::Alloc8L(aMedia.ValueText(KMPXMediaGeneralMimeType)); |
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632 CleanupStack::PushL(mimeType); |
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633 iHandler->SelectPlayerL(uri,*mimeType); |
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634 MPX_DEBUG2("CMPXPlaybackInitializer::InitL plugin=%08x",iHandler->Plugin()); |
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635 // Plugin handler guarantee to choose a plugin |
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636 // In case there is file open in the audio controller |
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637 iHandler->Plugin()->CommandL(EPbCmdClose); |
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638 InitL(uri, *mimeType, accessPoint); |
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639 CleanupStack::PopAndDestroy(mimeType); |
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640 } |
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641 else // No URI |
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642 { |
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643 iError=KErrNotFound; |
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644 } |
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645 } |
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646 else // aError not equal to KErrNone |
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647 { |
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648 iError=aError; |
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649 |
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650 // Reset media since if there's an error, the media |
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651 // object passed in is unreliable |
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652 delete iMedia; |
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653 iMedia = NULL; |
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654 iMedia = CMPXMedia::NewL(); |
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655 } |
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656 } |
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657 |
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658 // ---------------------------------------------------------------------------- |
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659 // Cancels the pre-init timer |
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660 // ---------------------------------------------------------------------------- |
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661 void CMPXPlaybackInitializer::CancelPreInitTimer() |
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662 { |
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663 MPX_FUNC("CMPXPlaybackInitializer::CancelPreInitTimer()"); |
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664 if ( iTimer && iTimer->IsActive() ) |
|
665 { |
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666 MPX_DEBUG1("CMPXPlaybackInitializer::CancelPreInitTimer(): Timer active, cancelling"); |
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667 iTimer->Cancel(); |
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668 } |
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669 } |
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670 |
|
671 // ---------------------------------------------------------------------------- |
|
672 // Handle pre-init timer callback |
|
673 // ---------------------------------------------------------------------------- |
|
674 void CMPXPlaybackInitializer::HandlePreInitTimerCallback() |
|
675 { |
|
676 MPX_FUNC("CMPXPlaybackInitializer::HandlePreInitTimerCallback()"); |
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677 |
|
678 CancelPreInitTimer(); |
|
679 |
|
680 TRAP_IGNORE(RequestMediaL()); |
|
681 } |
|
682 |
|
683 // ---------------------------------------------------------------------------- |
|
684 // Callback for pre-init timer. |
|
685 // ---------------------------------------------------------------------------- |
|
686 TInt CMPXPlaybackInitializer::PreInitTimerCallback(TAny* aPtr) |
|
687 { |
|
688 MPX_FUNC("CMPXPlaybackInitializer::PreInitTimerCallback()"); |
|
689 |
|
690 CMPXPlaybackInitializer* ptr = |
|
691 static_cast<CMPXPlaybackInitializer*>(aPtr); |
|
692 ptr->HandlePreInitTimerCallback(); |
|
693 |
|
694 return KErrNone; |
|
695 } |
|
696 |
|
697 // ---------------------------------------------------------------------------- |
|
698 // CMPXPlaybackInitializer::HandlePluginEventL. Must be non leaving since client has |
|
699 // no context as this is a callback |
|
700 // ---------------------------------------------------------------------------- |
|
701 |
|
702 void CMPXPlaybackInitializer::HandlePluginEvent( |
|
703 TEvent aEvent,TInt aData,TInt aError) |
|
704 { |
|
705 TRAP_IGNORE( HandlePluginEventL( aEvent, aData, aError ) ); |
|
706 } |
|
707 |
|
708 // ---------------------------------------------------------------------------- |
|
709 // Leaving version of CMPXPlaybackInitializer::HandlePluginEvent |
|
710 // ---------------------------------------------------------------------------- |
|
711 void CMPXPlaybackInitializer::HandlePluginEventL( |
|
712 TEvent aEvent,TInt aData,TInt aError) |
|
713 { |
|
714 MPX_DEBUG3("CMPXPlaybackInitializer::HandlePluginEventL %d, error %d", |
|
715 aEvent, aError); |
|
716 if (aEvent==EPInitialised) |
|
717 { |
|
718 if (aError!=KErrNone) |
|
719 { |
|
720 iError=aError; |
|
721 } |
|
722 else |
|
723 { |
|
724 iDuration=aData; |
|
725 if ( iMedia->IsSupported( KMPXMediaGeneralDuration )) |
|
726 { |
|
727 TInt dur( iMedia->ValueTObjectL<TInt>( KMPXMediaGeneralDuration )); |
|
728 if ( dur != iDuration ) |
|
729 { |
|
730 // Set duration if it's different than what collection has |
|
731 if ( iEngine.iPlaylist ) |
|
732 { |
|
733 if ( iEngine.iPlaylist->Count() && !iEngine.iPlaylist->EmbeddedPlaylist() ) |
|
734 { |
|
735 const CMPXCollectionPath& path( iEngine.iPlaylist->Path() ); |
|
736 CMPXMedia* media = CMPXMedia::NewL(); |
|
737 CleanupStack::PushL(media); |
|
738 media->SetTObjectValueL( KMPXMediaGeneralType, |
|
739 EMPXItem ); |
|
740 media->SetTObjectValueL( KMPXMediaGeneralCategory, |
|
741 EMPXSong ); |
|
742 media->SetTObjectValueL( KMPXMediaGeneralCollectionId, |
|
743 path.Id( |
|
744 CMPXCollectionPath::ECollectionUid )); |
|
745 media->SetTObjectValueL<TMPXItemId>( |
|
746 KMPXMediaGeneralId, |
|
747 iMedia->ValueTObjectL<TMPXItemId>( KMPXMediaGeneralId ) ); |
|
748 media->SetTObjectValueL( KMPXMediaGeneralDuration, |
|
749 iDuration ); |
|
750 iEngine.iPlaylist->SetL( *media ); |
|
751 CleanupStack::PopAndDestroy( media ); |
|
752 } |
|
753 } |
|
754 } |
|
755 } |
|
756 } |
|
757 iState=EPbStateStopped; |
|
758 } |
|
759 } |
|
760 |
|
761 // ---------------------------------------------------------------------------- |
|
762 // Callback from plug-in, handle plugin message |
|
763 // ---------------------------------------------------------------------------- |
|
764 // |
|
765 void CMPXPlaybackInitializer::HandlePlaybackMessage( |
|
766 CMPXMessage* aMsg, |
|
767 TInt aErr) |
|
768 { |
|
769 // Save the media update message |
|
770 TRAP_IGNORE(iMediaMessage = CMPXMessage::NewL(*aMsg)); |
|
771 iErrorOfMediaMessage = aErr; |
|
772 } |
|
773 |
|
774 // ---------------------------------------------------------------------------- |
|
775 // CMPXPlaybackInitializer::HandleProperty |
|
776 // ---------------------------------------------------------------------------- |
|
777 // |
|
778 void CMPXPlaybackInitializer::HandleProperty( |
|
779 TMPXPlaybackProperty /*aProperty*/, |
|
780 TInt /*aValue*/, |
|
781 TInt /*aError*/) |
|
782 { |
|
783 } |
|
784 |
|
785 // ---------------------------------------------------------------------------- |
|
786 // CMPXPlaybackInitializer::HandleSubPlayerNames |
|
787 // ---------------------------------------------------------------------------- |
|
788 // |
|
789 void CMPXPlaybackInitializer::HandleSubPlayerNames( |
|
790 TUid /*aPlayer*/, |
|
791 const MDesCArray* /*aSubPlayers*/, |
|
792 TBool /*aComplete*/, |
|
793 TInt /*aError*/) |
|
794 { |
|
795 } |
|
796 |
|
797 // ---------------------------------------------------------------------------- |
|
798 // CMPXPlaybackInitializer::HandleMedia |
|
799 // ---------------------------------------------------------------------------- |
|
800 // |
|
801 void CMPXPlaybackInitializer::HandleMedia( |
|
802 const CMPXMedia& aMedia, |
|
803 TInt aError) |
|
804 { |
|
805 MPX_FUNC("CMPXPlaybackInitializer::HandleMedia()"); |
|
806 |
|
807 iMediaRequested = EFalse; |
|
808 if ( iMediaToEngine ) |
|
809 { |
|
810 TRAP_IGNORE( iEngine.HandleCollectionMediaL( aMedia,iError) ); |
|
811 iMediaToEngine = EFalse; |
|
812 } |
|
813 else |
|
814 { |
|
815 TRAPD( err, InitL( aMedia,aError )); |
|
816 if ( err ) |
|
817 { // Set the error so that not switch to un-initialized plugin |
|
818 MPX_DEBUG2("CMPXPlaybackInitializer::HandleMedia TRAP InitL %d", |
|
819 err); |
|
820 iError = err; // reset error code to new error |
|
821 } |
|
822 } |
|
823 } |
|
824 |
|
825 // ---------------------------------------------------------------------------- |
|
826 // CMPXPlaybackInitializer::HandlePluginHandlerEvent |
|
827 // Rely on the playback engine to handle the plugin handler events. |
|
828 // ---------------------------------------------------------------------------- |
|
829 // |
|
830 void CMPXPlaybackInitializer::HandlePluginHandlerEvent( |
|
831 TPluginHandlerEvents /* aEvent */, |
|
832 const TUid& /* aPluginUid */, |
|
833 TBool /* aLoaded */, |
|
834 TInt /* aData */) |
|
835 { |
|
836 } |
|
837 |
|
838 // ---------------------------------------------------------------------------- |
|
839 // CMPXPlaybackInitializer::InitL |
|
840 // Initialize. |
|
841 // ---------------------------------------------------------------------------- |
|
842 // |
|
843 void CMPXPlaybackInitializer::InitL(const TDesC& aUri, const TDesC8& aType, TInt aAccessPoint) |
|
844 { |
|
845 MPX_FUNC("CMPXPlaybackInitializer::InitL"); |
|
846 CMPXPlaybackPlugin* p = iHandler->Plugin(); |
|
847 if ( !p ) |
|
848 { |
|
849 MPX_DEBUG1("CMPXPlaybackInitializer::InitL(): *** Init failed -- No plugin selected"); |
|
850 return; |
|
851 } |
|
852 |
|
853 // Check if version2 interface is supported |
|
854 CDesCArray* interfaces = iHandler->SupportedInterfacesL( p->Uid() ); |
|
855 TBool version2InterfaceSupported = EFalse; |
|
856 if (interfaces->MdcaCount()) |
|
857 { |
|
858 TInt pos(0); |
|
859 version2InterfaceSupported = !interfaces->FindIsq(KMPXPlaybackPluginVersion2, pos); |
|
860 } |
|
861 delete interfaces; |
|
862 |
|
863 if (version2InterfaceSupported) |
|
864 { |
|
865 // cast the plugin to use our interface |
|
866 CMPXPlaybackPluginVersion2* plugin = NULL; |
|
867 plugin = static_cast<CMPXPlaybackPluginVersion2*>(p); |
|
868 |
|
869 // if cast was successful, then init streaming with access point |
|
870 if (plugin) |
|
871 { |
|
872 if ( aAccessPoint ) |
|
873 { |
|
874 plugin->InitStreamingL( aUri, aType, aAccessPoint ); |
|
875 } |
|
876 else |
|
877 { |
|
878 plugin->InitialiseL(aUri); |
|
879 } |
|
880 } |
|
881 else |
|
882 { |
|
883 MPX_DEBUG1("CMPXPlaybackInitializer::InitL(): *** Init failed -- failure to convert to expected interface"); |
|
884 } |
|
885 } |
|
886 else |
|
887 { |
|
888 p->InitialiseL(aUri); |
|
889 } |
|
890 } |
|
891 |
|
892 // end of file |