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1 /* |
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2 * Copyright (c) 2007-2007 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: Engine which interfaces to MPX framework. |
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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 #ifndef C_AIPLAYERPLUGINENGINE_H |
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20 #define C_AIPLAYERPLUGINENGINE_H |
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21 |
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22 #include <e32base.h> |
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23 #include <mpxplaybackobserver.h> |
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24 #include <mpxalbumartutilobserver.h> |
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25 #include "aiplayerpluginengineobserver.h" |
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26 |
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27 class MMPXPlaybackUtility; |
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28 class CMPXAlbumArtUtil; |
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29 |
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30 |
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31 /** |
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32 * Music Player Player Plugin Engine. |
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33 * This class provides interface to MPX framework. |
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34 * |
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35 * @lib aiplayerplugin2.lib |
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36 * @since S60 5.0 |
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37 */ |
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38 NONSHARABLE_CLASS( CAiPlayerPluginEngine ) : public CBase, |
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39 public MMPXPlaybackObserver, |
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40 public MMPXPlaybackCallback, |
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41 public MMPXAlbumArtUtilObserver |
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42 { |
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43 public: // Constructors and destructor |
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44 |
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45 /** |
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46 * Two-phased constructor. |
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47 */ |
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48 static CAiPlayerPluginEngine* NewL( MAiPlayerPluginEngineObserver& aObserver ); |
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49 |
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50 /** |
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51 * Destructor. |
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52 */ |
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53 virtual ~CAiPlayerPluginEngine(); |
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54 |
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55 /** |
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56 * From MMPXPlaybackObserver |
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57 * See mpxplaybackobserver.h for detailed description. |
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58 * @since S60 5.0 |
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59 */ |
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60 void HandlePlaybackMessage( CMPXMessage* aMessage, TInt aError ); |
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61 |
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62 /** |
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63 * From MMPXPlaybackCallback |
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64 * See mpxplaybackobserver.h for detailed description. |
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65 * @since S60 5.0 |
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66 */ |
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67 void HandlePropertyL( TMPXPlaybackProperty aProperty, TInt aValue, TInt aError ); |
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68 void HandleSubPlayerNamesL( TUid aPlayer, const MDesCArray* aSubPlayers, TBool aComplete, TInt aError ); |
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69 void HandleMediaL( const CMPXMedia& aMedia, TInt aError ); |
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70 void HandlePlaybackCommandComplete( CMPXCommand* aCommandResult, TInt aError ); |
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71 |
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72 /** |
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73 * From MMPXAlbumArtUtilObserver |
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74 * See mpxalbumartutilobserver.h for detailed description |
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75 * @since S60 3.2.3 |
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76 */ |
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77 void ExtractAlbumArtStarted(); |
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78 void ExtractAlbumArtCompleted( CFbsBitmap* aBitmap, TInt aErr ); |
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79 public: |
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80 |
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81 /** |
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82 * Get the current state of the active player. |
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83 * |
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84 * @return Active player state |
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85 * @see TMPlayerState |
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86 */ |
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87 TMPlayerState PlayerState(); |
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88 |
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89 /** |
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90 * Get the title of the currently playing song. |
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91 * |
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92 * @return Song title |
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93 */ |
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94 const TDesC& TitleL(); |
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95 |
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96 /** |
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97 * Get the artist of the currently playing song. |
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98 * |
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99 * @return Artist |
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100 */ |
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101 const TDesC& Artist(); |
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102 |
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103 /** |
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104 * Get the uri of the currently playing song. |
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105 * |
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106 * @return Uri |
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107 */ |
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108 const TDesC& Uri(); |
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109 |
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110 /** |
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111 * Get the current position. |
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112 * |
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113 * @return Current position. |
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114 */ |
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115 TInt Position(); |
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116 |
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117 /** |
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118 * Get the duration of the currently playing song. |
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119 * |
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120 * @return Song duration. |
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121 */ |
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122 TInt Duration(); |
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123 |
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124 |
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125 private: |
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126 |
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127 /** |
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128 * C++ default constructor. |
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129 */ |
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130 CAiPlayerPluginEngine( MAiPlayerPluginEngineObserver& aObserver ); |
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131 |
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132 /** |
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133 * By default Symbian 2nd phase constructor is private. |
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134 */ |
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135 void ConstructL(); |
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136 |
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137 /** |
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138 * Handle playback message |
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139 * |
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140 * @param aMessage playback message |
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141 */ |
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142 void DoHandlePlaybackMessageL( const CMPXMessage& aMessage ); |
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143 |
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144 /** |
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145 * Handle playback property |
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146 * |
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147 * @param aProperty the property |
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148 * @param aValue the value of the property |
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149 * @param aError error code |
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150 */ |
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151 void DoHandlePropertyL( TInt aProperty, TInt aValue, TInt aError ); |
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152 |
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153 /** |
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154 * Handle playback state changed. |
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155 * |
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156 * @param aState New Playback state |
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157 */ |
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158 void DoHandleStateChangedL( TMPXPlaybackState aState ); |
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159 |
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160 /** |
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161 * Displays error notes. |
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162 * |
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163 * @param aError Error ID to be handled. |
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164 */ |
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165 void HandleErrorL( TInt aError ); |
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166 |
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167 /** |
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168 * Map states from TMPXPlaybackState to TMPlayerState |
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169 * |
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170 * @param aState State in TMPXPlaybackState format |
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171 * @return State in TMPlayerState format, or KErrNotFound |
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172 * if the state can't be mapped |
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173 */ |
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174 TMPlayerState MapState( TMPXPlaybackState aState ); |
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175 |
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176 /** |
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177 * Request media. |
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178 */ |
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179 void RequestMediaL(); |
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180 private: // Data |
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181 |
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182 MAiPlayerPluginEngineObserver* iObserver; // Not owned |
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183 MMPXPlaybackUtility* iPlaybackUtility; // Owned |
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184 CMPXAlbumArtUtil* iAlbumArtUtil; // own |
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185 HBufC* iTitle; // own |
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186 HBufC* iArtist; // own |
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187 HBufC* iUri; // own |
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188 CMPXMedia* iMedia; // own |
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189 TInt iPosition; |
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190 TInt iDuration; |
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191 TBool iExtractingAlbumArt; |
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192 TBool iSkipping; |
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193 |
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194 |
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195 }; |
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196 |
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197 #endif // C_CAiPlayerPluginEngine_H |
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198 |
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199 // End of File |