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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: MPX album utility API |
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15 * |
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16 */ |
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17 |
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18 #include <e32std.h> |
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19 #include <MetaDataUtility.h> |
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20 #include <MetaDataFieldContainer.h> |
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21 #include <mpxuser.h> |
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22 #include <mpxmedia.h> |
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23 #include <mpxmediamusicdefs.h> |
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24 #include <mpxmediageneraldefs.h> |
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25 #include <mpxlog.h> |
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26 |
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27 #include "mpxalbumartutilobserver.h" |
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28 #include "mpximageutil.h" |
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29 #include "mpxalbumartutil.h" |
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30 #include <thumbnaildata.h> |
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31 #include <thumbnailobjectsource.h> |
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32 #include <centralrepository.h> |
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33 |
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34 #define THUMBNAIL_CENREP_UID 0x102830B0 |
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35 |
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36 const TUint32 KSizeAudioGridWidth = 0x12; |
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37 const TUint32 KSizeAudioGridHeight = 0x13; |
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38 const TUint32 KSizeAudioFullscreenWidth = 0x16; |
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39 const TUint32 KSizeAudioFullscreenHeight = 0x17; |
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40 |
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41 |
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42 _LIT( KMPXAlbumMimeType, "audio/mpeg3" ); |
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43 // ============================== MEMBER FUNCTIONS ============================ |
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44 |
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45 // ---------------------------------------------------------------------------- |
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46 // Create the playback utility object |
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47 // ---------------------------------------------------------------------------- |
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48 // |
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49 EXPORT_C CMPXAlbumArtUtil* CMPXAlbumArtUtil::NewL() |
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50 { |
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51 CMPXAlbumArtUtil* self = new(ELeave)CMPXAlbumArtUtil(); |
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52 CleanupStack::PushL(self); |
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53 self->ConstructL(); |
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54 CleanupStack::Pop(self); |
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55 return self; |
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56 } |
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57 |
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58 |
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59 // ---------------------------------------------------------------------------- |
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60 // Destructor |
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61 // ---------------------------------------------------------------------------- |
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62 // |
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63 EXPORT_C CMPXAlbumArtUtil::~CMPXAlbumArtUtil() |
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64 { |
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65 if (iArtUtil) |
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66 { |
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67 delete iArtUtil; |
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68 } |
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69 if(iFilename) |
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70 { |
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71 delete iFilename; |
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72 iFilename = NULL; |
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73 } |
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74 delete iThumbnailManager; |
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75 } |
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76 |
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77 |
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78 // ---------------------------------------------------------------------------- |
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79 // Constructor |
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80 // ---------------------------------------------------------------------------- |
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81 // |
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82 CMPXAlbumArtUtil::CMPXAlbumArtUtil() |
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83 { |
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84 } |
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85 |
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86 // ---------------------------------------------------------------------------- |
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87 // Constructor |
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88 // ---------------------------------------------------------------------------- |
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89 // |
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90 void CMPXAlbumArtUtil::ConstructL() |
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91 { |
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92 MPX_FUNC("CMPXAlbumArtUtil::ConstructL()"); |
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93 iThumbnailManager = CThumbnailManager::NewL( *this ); |
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94 iThumbnailManager->SetFlagsL( CThumbnailManager::EDefaultFlags ); |
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95 iThumbnailManager->SetQualityPreferenceL( CThumbnailManager::EOptimizeForPerformance ); |
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96 //cenrep |
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97 CRepository* repository; |
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98 repository = CRepository::NewL( TUid::Uid(THUMBNAIL_CENREP_UID)); |
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99 |
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100 TInt xSize( 0 ); |
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101 TInt ySize( 0 ); |
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102 User::LeaveIfError( repository->Get( KSizeAudioGridWidth, xSize )); |
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103 User::LeaveIfError( repository->Get( KSizeAudioGridHeight, ySize )); |
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104 iGridViewImageSize.SetSize(xSize,ySize); |
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105 |
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106 User::LeaveIfError( repository->Get( KSizeAudioFullscreenWidth, xSize )); |
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107 User::LeaveIfError( repository->Get( KSizeAudioFullscreenHeight, ySize )); |
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108 iFullScreenImageSize.SetSize(xSize,ySize); |
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109 delete repository; |
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110 repository = NULL; |
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111 } |
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112 |
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113 // ---------------------------------------------------------------------------- |
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114 // Create the playback utility object |
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115 // ---------------------------------------------------------------------------- |
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116 // |
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117 EXPORT_C void CMPXAlbumArtUtil::ExtractAlbumArtL(const CMPXMedia& aMedia, |
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118 MMPXAlbumArtUtilObserver& aObs, |
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119 const TSize& aSize, |
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120 TDisplayMode aDisplayMode /*= EColor64K*/) |
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121 { |
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122 MPX_DEBUG1("CMPXAlbumArtUtil::ExtractAlbumArtL(): Entering"); |
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123 MPX_DEBUG_THREAD("CMPXAlbumArtUtil::ExtractAlbumArtL()"); |
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124 delete iArtUtil; |
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125 iArtUtil = NULL; |
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126 iArtUtil = CMPXImageUtil::NewL(aObs); |
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127 iDisplayMode = aDisplayMode; |
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128 iImageSize = aSize; |
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129 iObserver = &aObs; |
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130 |
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131 if (aMedia.IsSupported( KMPXMediaMusicAlbumArtFileName )) |
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132 { |
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133 if ( aMedia.ValueText( KMPXMediaMusicAlbumArtFileName ).Length() == 0) |
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134 { |
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135 User::Leave( KErrNotFound ); |
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136 } |
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137 } |
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138 |
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139 if ( aMedia.IsSupported( KMPXMediaGeneralUri ) && |
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140 aMedia.IsSupported( KMPXMediaMusicAlbumArtFileName )) |
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141 { |
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142 delete iFilename; |
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143 iFilename = NULL; |
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144 iFilename = aMedia.ValueText( KMPXMediaMusicAlbumArtFileName ).AllocL(); |
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145 if(aSize == iFullScreenImageSize) |
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146 { |
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147 iThumbnailManager->SetThumbnailSizeL(EAudioFullScreenThumbnailSize); |
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148 } |
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149 else if(aSize == iGridViewImageSize) |
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150 { |
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151 iThumbnailManager->SetThumbnailSizeL(EAudioGridThumbnailSize); |
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152 } |
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153 else |
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154 { |
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155 iThumbnailManager->SetThumbnailSizeL(aSize); |
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156 } |
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157 ExtractThumbnailL(&aMedia); |
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158 } |
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159 else |
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160 { |
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161 User::Leave( KErrNotFound ); |
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162 } |
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163 MPX_DEBUG1("CMPXAlbumArtUtil::ExtractAlbumArtL(): Exiting"); |
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164 } |
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165 |
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166 // ----------------------------------------------------------------------------- |
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167 // Cancel Asynch requests |
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168 // ----------------------------------------------------------------------------- |
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169 // |
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170 EXPORT_C void CMPXAlbumArtUtil::CancelRequest() |
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171 { |
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172 MPX_DEBUG1("CMPXAlbumArtUtil::CancelRequest(): Entering"); |
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173 if ( iArtUtil ) |
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174 { |
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175 iArtUtil->CancelRequest(); |
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176 } |
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177 iReqId = 0; |
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178 MPX_DEBUG1("CMPXAlbumArtUtil::CancelRequest(): Exiting"); |
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179 } |
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180 |
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181 // ---------------------------------------------------------------------------- |
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182 // Extract binary data from file |
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183 // ---------------------------------------------------------------------------- |
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184 // |
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185 HBufC8* CMPXAlbumArtUtil::ExtractBinaryMetaDataLC(const TDesC& aFilename, |
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186 TMetaDataFieldId aFieldId) |
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187 { |
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188 MPX_DEBUG1("CMPXAlbumArtUtil::ExtractBinaryMetaDataLC(): Entering"); |
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189 HBufC8* ret(NULL); |
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190 |
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191 if (EUnknownMetaDataField != aFieldId) |
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192 { |
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193 CMetaDataUtility* metaDataUtil = CMetaDataUtility::NewL(); |
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194 CleanupStack::PushL( metaDataUtil ); |
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195 |
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196 RArray<TMetaDataFieldId> wantedFields; |
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197 CleanupClosePushL(wantedFields); |
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198 wantedFields.AppendL(aFieldId); |
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199 |
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200 metaDataUtil->OpenFileL(aFilename, wantedFields); |
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201 const CMetaDataFieldContainer& metaCont = |
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202 metaDataUtil->MetaDataFieldsL(); |
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203 TPtrC data = metaCont.Field( aFieldId ); |
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204 if(data.Length()==0) |
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205 { |
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206 iObserver->ExtractAlbumArtCompleted( NULL, KErrNotFound ); |
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207 } |
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208 ret = MPXUser::Alloc8L(data); |
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209 |
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210 CleanupStack::PopAndDestroy(&wantedFields); |
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211 CleanupStack::PopAndDestroy(metaDataUtil); |
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212 CleanupStack::PushL( ret ); |
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213 } |
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214 else |
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215 { |
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216 ret = HBufC8::NewLC(0); |
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217 } |
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218 |
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219 MPX_DEBUG1("CMPXAlbumArtUtil::ExtractBinaryMetaDataLC(): Exiting"); |
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220 return ret; |
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221 } |
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222 |
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223 // ----------------------------------------------------------------------------- |
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224 // Preview thumbnail generation or loading is complete. |
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225 // ----------------------------------------------------------------------------- |
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226 // |
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227 void CMPXAlbumArtUtil::ThumbnailPreviewReady( |
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228 MThumbnailData& /*aThumbnail*/, |
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229 TThumbnailRequestId /*aId*/ ) |
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230 { |
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231 MPX_FUNC( "CMPXAlbumArtUtil::ThumbnailPreviewReady" ); |
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232 // Not used |
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233 } |
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234 |
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235 |
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236 // ----------------------------------------------------------------------------- |
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237 // Final thumbnail bitmap generation or loading is complete. |
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238 // ----------------------------------------------------------------------------- |
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239 // |
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240 void CMPXAlbumArtUtil::ThumbnailReady( |
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241 TInt aError, MThumbnailData& aThumbnail, |
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242 TThumbnailRequestId aId ) |
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243 { |
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244 MPX_DEBUG2( "CMPXAlbumArtUtil::ThumbnailReady error = %d", aError); |
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245 |
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246 if (aError == KErrNone) |
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247 { |
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248 CFbsBitmap* tempBitmap; |
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249 tempBitmap = aThumbnail.DetachBitmap(); |
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250 if (tempBitmap) |
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251 { |
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252 if(iReqId == aId) |
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253 { |
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254 iObserver->ExtractAlbumArtCompleted( tempBitmap, KErrNone ); |
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255 } |
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256 else |
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257 { |
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258 delete tempBitmap; |
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259 } |
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260 } |
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261 else |
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262 { |
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263 iObserver->ExtractAlbumArtCompleted( NULL, KErrNotFound ); |
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264 } |
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265 } |
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266 else |
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267 { |
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268 TRAPD( err, |
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269 HBufC8* art( ExtractBinaryMetaDataLC(iFilename->Des(),EMetaDataJpeg )); |
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270 CleanupStack::Pop(art); |
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271 iArtUtil->StartToDecodeL(iImageSize, art, iDisplayMode) ); |
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272 |
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273 if (err != KErrNone) |
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274 { |
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275 iObserver->ExtractAlbumArtCompleted( NULL, KErrNotFound ); |
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276 } |
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277 } |
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278 |
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279 } |
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280 |
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281 // ----------------------------------------------------------------------------- |
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282 // Extract Thumbnail for the current song |
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283 // ----------------------------------------------------------------------------- |
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284 // |
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285 void CMPXAlbumArtUtil::ExtractThumbnailL( |
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286 const CMPXMedia* aMedia) |
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287 { |
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288 MPX_FUNC("CMPXAlbumArtUtil::ExtractThumbnailL"); |
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289 |
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290 TMPXItemId currentId( aMedia->ValueTObjectL<TMPXItemId>( KMPXMediaGeneralId ) ); |
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291 if (currentId == KMPXInvalidItemId ) |
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292 { |
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293 User::Leave( KErrNotFound ); |
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294 } |
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295 if (aMedia->IsSupported( KMPXMediaMusicAlbumArtFileName ) ) |
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296 { |
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297 const TDesC& album = aMedia->ValueText( KMPXMediaMusicAlbumArtFileName ); |
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298 #ifdef _DEBUG |
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299 RDebug::RawPrint(album); |
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300 #endif |
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301 if (album.Compare( KNullDesC) != 0 ) |
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302 { |
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303 CThumbnailObjectSource* source = CThumbnailObjectSource::NewLC( album, KMPXAlbumMimeType ); |
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304 TInt ret = NULL; |
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305 TRAPD(err, iReqId = TInt (iThumbnailManager->GetThumbnailL( *source, (TAny*)ret))); |
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306 if( err != KErrNone) |
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307 { |
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308 User::Leave( KErrNotFound ); |
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309 } |
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310 CleanupStack::PopAndDestroy( source ); |
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311 } |
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312 } |
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313 } |
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314 |