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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: Music Player stautus observer |
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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 #include <mpxplaybackutility.h> |
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20 #include <mpxplaybackmessage.h> |
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21 #include <mpxmedia.h> |
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22 #include <mpxmediageneraldefs.h> |
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23 #include <mpxmediamusicdefs.h> |
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24 #include <mpxmessagegeneraldefs.h> |
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25 #include <mpxplaybackmessagedefs.h> |
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26 #include <mpxalbumartutil.h> |
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27 #include <mpxlog.h> |
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28 |
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29 #include "aiplayerpluginengine.h" |
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30 |
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31 const TInt KMPXOneSecInMilliSecs( 1000 ); |
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32 const TUid KMusicPlayerAppUid = { 0x102072C3 }; |
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33 |
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34 // ======== MEMBER FUNCTIONS ======== |
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35 |
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36 // --------------------------------------------------------------------------- |
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37 // CAiPlayerPluginEngine::ConstructL |
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38 // --------------------------------------------------------------------------- |
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39 // |
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40 void CAiPlayerPluginEngine::ConstructL() |
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41 { |
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42 MPX_DEBUG1("CAiPlayerPluginEngine::ConstructL"); |
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43 // Get the playback utility instance from engine. |
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44 //iPlaybackUtility = MMPXPlaybackUtility::NewL( KPbModeActivePlayer, this ); |
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45 iPlaybackUtility = MMPXPlaybackUtility::NewL( KMusicPlayerAppUid, this ); |
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46 iAlbumArtUtil = CMPXAlbumArtUtil::NewL(); |
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47 if (iPlaybackUtility->StateL() == EPbStatePlaying) |
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48 { |
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49 RequestMediaL(); |
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50 } |
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51 } |
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52 |
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53 // --------------------------------------------------------------------------- |
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54 // CAiPlayerPluginEngine::NewL |
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55 // --------------------------------------------------------------------------- |
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56 // |
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57 CAiPlayerPluginEngine* CAiPlayerPluginEngine::NewL( |
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58 MAiPlayerPluginEngineObserver& aObserver ) |
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59 { |
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60 MPX_DEBUG1("CAiPlayerPluginEngine::NewL"); |
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61 CAiPlayerPluginEngine* self = new ( ELeave ) |
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62 CAiPlayerPluginEngine( aObserver ); |
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63 CleanupStack::PushL( self ); |
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64 self->ConstructL(); |
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65 CleanupStack::Pop( self ); |
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66 return self; |
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67 } |
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68 |
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69 // --------------------------------------------------------------------------- |
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70 // CAiPlayerPluginEngine::CAiPlayerPluginEngine |
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71 // --------------------------------------------------------------------------- |
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72 // |
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73 CAiPlayerPluginEngine::CAiPlayerPluginEngine( |
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74 MAiPlayerPluginEngineObserver& aObserver ) |
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75 : iObserver( &aObserver ), |
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76 iPlaybackUtility( NULL ), |
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77 iTitle( NULL ), |
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78 iArtist( NULL ), |
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79 iUri( NULL ), |
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80 iMedia( NULL ), |
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81 iPosition( KErrNotFound ), |
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82 iDuration( KErrNotFound ), |
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83 iExtractingAlbumArt( EFalse ), |
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84 iSkipping( EFalse ) |
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85 { |
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86 } |
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87 |
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88 // --------------------------------------------------------------------------- |
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89 // CAiPlayerPluginEngine::~CAiPlayerPluginEngine |
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90 // --------------------------------------------------------------------------- |
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91 // |
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92 CAiPlayerPluginEngine::~CAiPlayerPluginEngine() |
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93 { |
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94 MPX_DEBUG1("CAiPlayerPluginEngine::~CAiPlayerPluginEngine"); |
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95 if ( iPlaybackUtility ) |
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96 { |
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97 iPlaybackUtility->Close(); |
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98 } |
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99 delete iMedia; |
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100 delete iAlbumArtUtil; |
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101 delete iTitle; |
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102 delete iArtist; |
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103 delete iUri; |
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104 |
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105 } |
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106 |
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107 // --------------------------------------------------------------------------- |
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108 // From MMPXPlaybackObserver |
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109 // Handle playback message. |
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110 // --------------------------------------------------------------------------- |
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111 // |
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112 void CAiPlayerPluginEngine::HandlePlaybackMessage( CMPXMessage* aMessage, |
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113 TInt aError ) |
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114 { |
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115 if ( aError == KErrNone && aMessage ) |
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116 { |
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117 TRAP_IGNORE( DoHandlePlaybackMessageL( *aMessage ) ); |
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118 } |
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119 } |
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120 |
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121 // --------------------------------------------------------------------------- |
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122 // From MMPXPlaybackCallback |
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123 // Handle playback property. |
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124 // --------------------------------------------------------------------------- |
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125 // |
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126 void CAiPlayerPluginEngine::HandlePropertyL( TMPXPlaybackProperty aProperty, |
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127 TInt aValue, TInt aError ) |
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128 { |
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129 DoHandlePropertyL( aProperty, aValue, aError ); |
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130 } |
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131 |
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132 // --------------------------------------------------------------------------- |
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133 // From MMPXPlaybackCallback |
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134 // Method is called continously until aComplete=ETrue, signifying that |
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135 // it is done and there will be no more callbacks |
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136 // Only new items are passed each time |
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137 // --------------------------------------------------------------------------- |
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138 // |
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139 void CAiPlayerPluginEngine::HandleSubPlayerNamesL( |
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140 TUid /* aPlayer */, |
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141 const MDesCArray* /* aSubPlayers */, |
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142 TBool /* aComplete */, |
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143 TInt /* aError */ ) |
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144 { |
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145 // do nothing |
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146 } |
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147 |
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148 // --------------------------------------------------------------------------- |
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149 // From MMPXPlaybackCallback |
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150 // Handle media |
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151 // --------------------------------------------------------------------------- |
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152 // |
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153 void CAiPlayerPluginEngine::HandleMediaL( const CMPXMedia& aMedia, |
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154 TInt aError ) |
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155 { |
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156 MPX_DEBUG1("CAiPlayerPluginEngine::HandleMediaL"); |
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157 if ( KErrNone == aError ) |
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158 { |
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159 delete iUri; |
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160 iUri = NULL; |
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161 if (aMedia.IsSupported(KMPXMediaGeneralUri)) |
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162 { |
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163 TParsePtrC filePath(aMedia.ValueText(KMPXMediaGeneralUri) ); |
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164 iUri = filePath.FullName().AllocL(); |
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165 } |
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166 |
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167 delete iTitle; |
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168 iTitle = NULL; |
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169 if ( aMedia.IsSupported( KMPXMediaGeneralTitle ) ) |
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170 { |
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171 iTitle = ( aMedia.ValueText( KMPXMediaGeneralTitle ) ).AllocL(); |
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172 } |
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173 else if ( aMedia.IsSupported( KMPXMediaGeneralUri ) ) |
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174 { |
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175 TParsePtrC filePath( aMedia.ValueText( KMPXMediaGeneralUri ) ); |
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176 iTitle = (filePath.Name()).AllocL(); |
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177 } |
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178 delete iArtist; |
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179 iArtist = NULL; |
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180 iArtist = ( aMedia.ValueText( KMPXMediaMusicArtist ) ).AllocL(); |
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181 |
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182 iObserver->TrackInfoChanged( *iTitle, *iArtist ); |
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183 |
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184 if (!iSkipping) |
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185 { |
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186 if (iExtractingAlbumArt) |
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187 { |
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188 iAlbumArtUtil->CancelRequest(); |
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189 iExtractingAlbumArt=EFalse; |
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190 } |
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191 |
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192 if ( aMedia.IsSupported( KMPXMediaMusicAlbumArtFileName ) ) |
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193 { |
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194 delete iMedia; |
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195 iMedia=NULL; |
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196 iMedia = CMPXMedia::NewL( aMedia ); |
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197 TRAPD(err,iAlbumArtUtil->ExtractAlbumArtL( |
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198 *iMedia, |
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199 *this, |
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200 TSize(70,70))); |
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201 |
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202 if (err != KErrNone) |
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203 { |
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204 iObserver->AlbumArtChanged(NULL); |
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205 } |
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206 } |
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207 else |
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208 { |
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209 iObserver->AlbumArtChanged(NULL); |
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210 } |
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211 |
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212 } |
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213 else |
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214 { |
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215 iObserver->AlbumArtChanged(NULL); |
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216 } |
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217 } |
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218 } |
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219 |
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220 // --------------------------------------------------------------------------- |
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221 // From MMPXPlaybackCallback |
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222 // Handle completion of a asynchronous command |
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223 // --------------------------------------------------------------------------- |
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224 // |
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225 void CAiPlayerPluginEngine::HandlePlaybackCommandComplete( |
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226 CMPXCommand* /*aCommandResult*/, TInt /*aError*/ ) |
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227 { |
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228 // do nothing |
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229 } |
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230 |
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231 // --------------------------------------------------------------------------- |
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232 // From MMPXAlbumArtUtilObserver |
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233 // Notify that extraction of album art started. |
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234 // --------------------------------------------------------------------------- |
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235 // |
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236 void CAiPlayerPluginEngine::ExtractAlbumArtStarted() |
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237 { |
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238 iExtractingAlbumArt = ETrue; |
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239 } |
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240 |
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241 // --------------------------------------------------------------------------- |
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242 // From MMPXAlbumArtUtilObserver |
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243 // Notify that the extraction of album art has completed. |
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244 // --------------------------------------------------------------------------- |
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245 // |
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246 void CAiPlayerPluginEngine::ExtractAlbumArtCompleted( |
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247 CFbsBitmap* aBitmap, |
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248 TInt aErr ) |
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249 { |
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250 if (aErr == KErrNone) |
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251 { |
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252 iObserver->AlbumArtChanged(aBitmap); |
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253 } |
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254 else |
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255 { |
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256 iObserver->AlbumArtChanged(NULL); |
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257 } |
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258 iExtractingAlbumArt = EFalse; |
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259 } |
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260 |
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261 // --------------------------------------------------------------------------- |
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262 // Get the current state of the active player |
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263 // --------------------------------------------------------------------------- |
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264 // |
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265 TMPlayerState CAiPlayerPluginEngine::PlayerState() |
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266 { |
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267 MPX_DEBUG1( "CAiPlayerPluginEngine::PlayerState" ); |
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268 TMPXPlaybackState state( EPbStateNotInitialised ); |
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269 TRAP_IGNORE( state = iPlaybackUtility->StateL() ); |
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270 return MapState( state ); |
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271 } |
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272 |
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273 // --------------------------------------------------------------------------- |
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274 // CAiPlayerPluginEngine::TitleL |
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275 // --------------------------------------------------------------------------- |
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276 // |
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277 const TDesC& CAiPlayerPluginEngine::TitleL() |
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278 { |
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279 |
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280 if ( iTitle ) |
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281 { |
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282 return *iTitle; |
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283 } |
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284 else |
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285 { |
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286 RequestMediaL(); |
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287 return KNullDesC; |
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288 } |
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289 } |
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290 |
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291 // --------------------------------------------------------------------------- |
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292 // CAiPlayerPluginEngine::Artist |
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293 // --------------------------------------------------------------------------- |
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294 // |
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295 const TDesC& CAiPlayerPluginEngine::Artist() |
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296 { |
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297 if ( iArtist ) |
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298 { |
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299 return *iArtist; |
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300 } |
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301 else |
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302 { |
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303 return KNullDesC; |
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304 } |
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305 } |
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306 // --------------------------------------------------------------------------- |
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307 // CAiPlayerPluginEngine::Artist |
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308 // --------------------------------------------------------------------------- |
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309 // |
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310 const TDesC& CAiPlayerPluginEngine::Uri() |
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311 { |
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312 if ( iUri ) |
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313 { |
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314 return *iUri; |
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315 } |
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316 else |
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317 { |
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318 return KNullDesC; |
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319 } |
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320 } |
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321 |
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322 // ---------------------------------------------------- |
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323 // CAiPlayerPluginEngine::Position |
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324 // ---------------------------------------------------- |
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325 // |
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326 TInt CAiPlayerPluginEngine::Position() |
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327 { |
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328 return iPosition; |
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329 } |
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330 |
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331 // ---------------------------------------------------- |
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332 // CAiPlayerPluginEngine::Duration |
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333 // ---------------------------------------------------- |
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334 // |
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335 TInt CAiPlayerPluginEngine::Duration() |
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336 { |
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337 return iDuration; |
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338 } |
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339 |
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340 // --------------------------------------------------------------------------- |
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341 // Handle playback message. |
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342 // --------------------------------------------------------------------------- |
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343 // |
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344 void CAiPlayerPluginEngine::DoHandlePlaybackMessageL( |
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345 const CMPXMessage& aMessage ) |
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346 { |
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347 MPX_DEBUG1("CAiPlayerPluginEngine::DoHandlePlaybackMessageL"); |
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348 |
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349 TMPXMessageId id( |
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350 aMessage.ValueTObjectL<TMPXMessageId>( KMPXMessageGeneralId ) ); |
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351 if ( KMPXMessageGeneral == id ) |
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352 { |
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353 TInt event( aMessage.ValueTObjectL<TInt>( KMPXMessageGeneralEvent ) ); |
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354 MPX_DEBUG2( "CAiPlayerPluginEngine::DoHandlePlaybackMessageL(%d)", |
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355 event ); |
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356 switch ( event ) |
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357 { |
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358 case TMPXPlaybackMessage::EPropertyChanged: |
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359 { |
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360 TInt error( KErrNone ); |
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361 DoHandlePropertyL( |
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362 aMessage.ValueTObjectL<TInt>( KMPXMessageGeneralType ), |
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363 aMessage.ValueTObjectL<TInt>( KMPXMessageGeneralData ), |
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364 error ); |
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365 break; |
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366 } |
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367 case TMPXPlaybackMessage::EStateChanged: |
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368 { |
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369 TMPXPlaybackState state( |
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370 aMessage.ValueTObjectL<TMPXPlaybackState>( |
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371 KMPXMessageGeneralType )); |
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372 MPX_DEBUG2("CAiPlayerPluginEngine::HandlePlaybackMessageL - E" |
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373 "StateChanged(%d)", state); |
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374 |
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375 DoHandleStateChangedL( state ); |
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376 break; |
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377 } |
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378 case TMPXPlaybackMessage::EMediaChanged: |
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379 case TMPXPlaybackMessage::EPlaylistUpdated: |
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380 { |
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381 iPlaybackUtility->PropertyL( *this, EPbPropertyPosition ); |
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382 iPlaybackUtility->PropertyL( *this, EPbPropertyDuration ); |
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383 RequestMediaL(); |
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384 break; |
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385 } |
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386 case TMPXPlaybackMessage::ECommandReceived: |
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387 { |
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388 MPX_DEBUG2("CAiPlayerPluginEngine::HandlePlaybackMessageL - E" |
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389 "CommandReceived(%d)", |
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390 aMessage.ValueTObjectL<TInt>( KMPXMessageGeneralType ) ); |
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391 break; |
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392 } |
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393 case TMPXPlaybackMessage::EActivePlayerChanged: |
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394 { |
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395 MPX_DEBUG3("CAiPlayerPluginEngine::HandlePlaybackMessageL - E" |
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396 "ActivePlayerChanged(%d, %d)", |
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397 aMessage.ValueTObjectL<TInt>( KMPXMessageGeneralType ), |
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398 aMessage.ValueTObjectL<TInt>( KMPXMessageGeneralData ) ); |
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399 iPlaybackUtility->PropertyL( *this, EPbPropertyPosition ); |
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400 iPlaybackUtility->PropertyL( *this, EPbPropertyDuration ); |
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401 DoHandleStateChangedL( iPlaybackUtility->StateL() ); |
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402 // refresh media property |
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403 RequestMediaL(); |
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404 break; |
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405 } |
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406 case TMPXPlaybackMessage::ESkipping: |
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407 { |
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408 MPX_DEBUG1( "CAiPlayerPluginEngine::DoHandlePlaybackMessageL - ESkipping"); |
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409 iAlbumArtUtil->CancelRequest(); |
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410 iObserver->Opening(); |
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411 iSkipping =ETrue; |
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412 break; |
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413 } |
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414 case TMPXPlaybackMessage::ESkipEnd: |
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415 { |
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416 MPX_DEBUG1( "CAiPlayerPluginEngine::DoHandlePlaybackMessageL - ESkipEnd()"); |
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417 iSkipping = EFalse; |
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418 break; |
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419 } |
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420 default: |
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421 { |
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422 break; |
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423 } |
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424 } |
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425 } |
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426 } |
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427 |
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428 // --------------------------------------------------------------------------- |
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429 // Handle playback property. |
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430 // --------------------------------------------------------------------------- |
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431 // |
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432 void CAiPlayerPluginEngine::DoHandlePropertyL( TInt aProperty, TInt aValue, |
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433 TInt aError ) |
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434 { |
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435 MPX_DEBUG4("CAiPlayerPluginEngine::DoHandlePropertyL - Property(%d); Valu" |
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436 "e(%d); Error(%d)", aProperty, aValue, aError ); |
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437 if ( KErrNone == aError ) |
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438 { |
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439 switch ( aProperty ) |
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440 { |
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441 case EPbPropertyPosition: |
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442 { |
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443 iPosition = aValue / KMPXOneSecInMilliSecs; |
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444 iObserver->PlaybackPositionChanged( iPosition ); |
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445 break; |
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446 } |
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447 case EPbPropertyDuration: |
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448 { |
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449 iDuration = aValue / KMPXOneSecInMilliSecs; |
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450 break; |
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451 } |
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452 default: |
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453 { |
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454 break; |
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455 } |
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456 } |
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457 } |
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458 } |
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459 |
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460 // --------------------------------------------------------------------------- |
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461 // Handle playback state changed. |
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462 // --------------------------------------------------------------------------- |
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463 // |
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464 void CAiPlayerPluginEngine::DoHandleStateChangedL( TMPXPlaybackState aState ) |
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465 { |
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466 TMPlayerState state = MapState( aState ); |
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467 MPX_DEBUG3("CAiPlayerPluginEngine::DoHandleStateChangedL - State mapped " |
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468 "from (%d) to (%d)", aState, state ); |
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469 if (state != EMPlayerStateStarting) |
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470 { |
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471 iObserver->PlayerStateChanged(state); |
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472 } |
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473 else |
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474 { |
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475 iObserver->Opening(); |
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476 } |
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477 } |
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478 |
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479 // --------------------------------------------------------------------------- |
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480 // Displays error notes. |
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481 // --------------------------------------------------------------------------- |
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482 // |
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483 void CAiPlayerPluginEngine::HandleErrorL( TInt aError ) |
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484 { |
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485 MPX_DEBUG2("CAiPlayerPluginEngine::HandleErrorL(%d)", aError ); |
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486 } |
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487 |
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488 // --------------------------------------------------------------------------- |
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489 // Map states from TMPXPlaybackState to TMPlayerState |
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490 // --------------------------------------------------------------------------- |
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491 // |
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492 TMPlayerState CAiPlayerPluginEngine::MapState( TMPXPlaybackState aState ) |
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493 { |
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494 TMPlayerState state = EMPlayerStateOther; |
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495 switch ( aState ) |
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496 { |
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497 case EPbStatePlaying: |
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498 state = EMPlayerStatePlaying; |
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499 break; |
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500 case EPbStatePaused: |
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501 state = EMPlayerStatePaused; |
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502 break; |
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503 case EPbStateSeekingForward: |
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504 case EPbStateSeekingBackward: |
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505 state = EMPlayerStateSeeking; |
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506 break; |
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507 case EPbStateNotInitialised: |
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508 case EPbStateInitialising: |
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509 state = EMPlayerStateStarting; |
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510 break; |
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511 case EPbStateStopped: |
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512 state = EMPlayerStateStopped; |
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513 break; |
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514 default: |
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515 break; |
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516 } |
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517 return state; |
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518 } |
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519 |
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520 // --------------------------------------------------------------------------- |
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521 // Requests Media. |
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522 // --------------------------------------------------------------------------- |
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523 // |
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524 void CAiPlayerPluginEngine::RequestMediaL() |
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525 { |
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526 MPX_DEBUG1( "CAiPlayerPluginEngine::RequestMediaL" ); |
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527 MMPXSource* s = iPlaybackUtility->Source(); |
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528 if ( s ) |
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529 { |
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530 RArray<TMPXAttribute> attrs; |
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531 CleanupClosePushL(attrs); |
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532 attrs.Append( KMPXMediaGeneralUri ); |
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533 attrs.Append( KMPXMediaGeneralTitle ); |
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534 attrs.Append( KMPXMediaMusicArtist ); |
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535 attrs.Append( KMPXMediaMusicAlbumArtFileName ); |
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536 s->MediaL( attrs.Array(), *this ); |
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537 CleanupStack::PopAndDestroy( &attrs ); |
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538 } |
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539 else |
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540 { |
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541 iObserver->PlaylisIsEmpty(); |
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542 } |
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543 } |
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544 // End of File |