1 // Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 /** |
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17 @file |
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18 @internalComponent |
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19 */ |
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20 |
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21 #ifndef CMTPPLAYBACKPLAYLISTHELPER_H_ |
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22 #define CMTPPLAYBACKPLAYLISTHELPER_H_ |
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23 |
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24 #include <mpxcollectionobserver.h> |
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25 #include <mpxcollectionuihelperobserver.h> |
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26 |
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27 #include "mtpdebug.h" |
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28 #include "cmtpplaybackparam.h" |
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29 |
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30 class MMPXCollectionUiHelper; |
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31 class MMPXCollectionHelper; |
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32 class MMPXCollectionUtility; |
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33 |
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34 class TMTPPbDataSuid; |
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35 class CMTPPlaybackControlImpl; |
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36 |
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37 NONSHARABLE_CLASS( CMTPPlaybackPlaylistHelper ) : public CBase, |
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38 public MMPXCollectionObserver |
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39 { |
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40 public: // Constructors and destructor |
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41 |
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42 /** |
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43 * Two-phased constructor. |
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44 */ |
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45 static CMTPPlaybackPlaylistHelper* NewL( CMTPPlaybackControlImpl& aControlImpl ); |
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46 |
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47 /** |
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48 * Destructor. |
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49 */ |
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50 virtual ~CMTPPlaybackPlaylistHelper(); |
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51 |
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52 public: |
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53 |
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54 /** |
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55 * Get playlist from collection server |
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56 * @param aPlayObject, refer to TMTPPbDataSuid |
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57 */ |
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58 void GetPlayListFromCollectionL( const TMTPPbDataSuid& aPlayObject ); |
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59 |
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60 /** |
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61 * Get playlist from collection server |
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62 * @param aIndex, song index |
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63 */ |
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64 void GetPlayListFromCollectionL( TInt aIndex ); |
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65 |
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66 /** |
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67 * Get suid from collection server |
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68 * @param aPlaylist, current collection playlist |
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69 */ |
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70 TMTPPbDataSuid GetMTPPBSuidFromCollectionL( |
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71 const CMPXCollectionPlaylist& aPlaylist ); |
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72 |
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73 /** |
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74 * Get category |
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75 */ |
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76 TMTPPbCategory MTPPbCategory() const; |
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77 |
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78 /** |
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79 * Get suid |
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80 */ |
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81 TFileName MTPPbSuid() const; |
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82 |
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83 private: |
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84 |
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85 //from base class MMPXCollectionObserver |
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86 /** |
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87 * Handle collection message |
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88 * |
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89 * @param aMsg collection message, ownership not transferred. |
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90 * Please check aMsg is not NULL before using it. |
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91 * If aErr is not KErrNone, plugin might still call back with more |
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92 * info in the aMsg. |
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93 * @param aErr system error code. |
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94 */ |
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95 void HandleCollectionMessage( CMPXMessage* aMsg, TInt aErr ); |
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96 |
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97 /** |
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98 * Handles the collection entries being opened. Typically called |
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99 * when client has Open()'d a folder. |
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100 * |
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101 * @param aEntries collection entries opened |
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102 * @param aIndex focused entry |
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103 * @param aComplete ETrue no more entries. EFalse more entries |
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104 * expected |
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105 * @param aError error code |
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106 */ |
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107 void HandleOpenL( const CMPXMedia& aEntries, TInt aIndex, TBool aComplete, |
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108 TInt aError ); |
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109 |
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110 /** |
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111 * Handles the item being opened. Typically called |
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112 * when client has Open()'d an item. Client typically responds by |
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113 * 'playing' the item via the playlist. |
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114 * |
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115 * @param aPlaylist collection playlist |
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116 * @param aError error code |
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117 */ |
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118 void HandleOpenL( const CMPXCollectionPlaylist& aPlaylist, TInt aError ); |
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119 |
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120 /** |
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121 * From MMPXCollectionMediaObserver |
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122 * It handles MediaL event. |
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123 * |
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124 * @param aMedia object containing collection's informations |
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125 * @param aError error code |
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126 */ |
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127 void HandleCollectionMediaL( const CMPXMedia& aMedia, TInt aError ); |
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128 |
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129 private: |
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130 |
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131 /** |
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132 * C++ default constructor. |
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133 */ |
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134 CMTPPlaybackPlaylistHelper( CMTPPlaybackControlImpl& aControlImpl ); |
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135 |
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136 /** |
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137 * By default Symbian 2nd phase constructor is private. |
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138 */ |
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139 void ConstructL(); |
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140 |
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141 private: |
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142 |
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143 /** |
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144 * Handle collection message |
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145 */ |
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146 void DoHandleCollectionMessageL( const CMPXMessage& aMsg ); |
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147 |
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148 /** |
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149 * Handle OpenL |
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150 */ |
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151 void DoHandleOpenL( const CMPXMedia& aEntries ); |
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152 |
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153 /** |
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154 * Open the root path of playlist |
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155 */ |
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156 void OpenMusicPlayListPathL(); |
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157 |
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158 /** |
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159 * Open the root path of album |
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160 */ |
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161 void OpenMusicAblumPathL(); |
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162 |
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163 /** |
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164 * Reset play source |
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165 */ |
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166 void ResetPlaySource(); |
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167 |
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168 /** |
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169 *Update path index according to iPlayObject |
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170 */ |
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171 void UpdatePlaylistPathIndexL( const CMPXMedia& aEntries ); |
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172 |
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173 /** |
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174 *Got the collectionHelperL |
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175 */ |
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176 MMPXCollectionHelper* CollectionHelperL(); |
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177 |
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178 /** |
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179 * Map uri to ItemId |
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180 */ |
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181 const TMPXItemId UriToItemIdL(); |
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182 |
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183 /** |
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184 * Map uri to ItemId |
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185 */ |
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186 const TFileName ItemIdToUriL( const TMPXItemId& aId ); |
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187 |
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188 /** |
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189 * Find Album Songs |
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190 */ |
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191 CMPXMedia* FindAlbumSongsL( const TMPXItemId& aAlbumId ); |
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192 |
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193 /* |
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194 * UpdatePathAndOpenL |
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195 */ |
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196 void UpdateAlbumPathAndOpenL(); |
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197 |
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198 /* |
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199 * UpdatePathAndOpenL |
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200 */ |
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201 void UpdatePathAndOpenL(); |
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202 |
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203 /** |
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204 * Return instance of CMTPPlaybackControlImpl. |
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205 * |
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206 */ |
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207 CMTPPlaybackControlImpl& MTPPlaybackControlImpl(); |
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208 |
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209 private: |
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210 |
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211 MMPXCollectionUiHelper* iCollectionUiHelper;//Owned |
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212 MMPXCollectionHelper* iCollectionHelper;//Owned |
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213 MMPXCollectionUtility* iCollectionUtil;//Owned |
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214 HBufC* iPlayObject; //Owned |
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215 |
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216 CMTPPlaybackControlImpl& iMTPPlaybackControl;// Not owned |
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217 |
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218 TMTPPbCategory iPlayCategory; |
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219 TInt iSongIndex; |
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220 TInt iPathIndex; |
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221 |
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222 /** |
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223 FLOGGER debug trace member variable. |
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224 */ |
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225 __FLOG_DECLARATION_MEMBER; |
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226 }; |
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227 |
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228 #endif /* CMTPPLAYBACKPLAYLISTHELPER_H_ */ |
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