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1 /* |
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2 * Copyright (c) 2006-2007 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: Task for generating new thumbnails |
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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 <e32base.h> |
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20 #include <fbs.h> |
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21 |
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22 #include <thumbnailmanager.h> |
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23 |
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24 #include "thumbnailgeneratetask.h" |
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25 #include "thumbnailscaletask.h" |
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26 #include "thumbnailprovider.h" |
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27 #include "thumbnailserver.h" |
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28 #include "thumbnailtaskprocessor.h" |
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29 #include "thumbnailmanagerconstants.h" |
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30 #include "thumbnaillog.h" |
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31 #include "thumbnailpanic.h" |
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32 |
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33 // ======== MEMBER FUNCTIONS ======== |
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34 |
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35 // --------------------------------------------------------------------------- |
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36 // CThumbnailGenerateTask::CThumbnailGenerateTask() |
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37 // C++ default constructor can NOT contain any code, that might leave. |
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38 // --------------------------------------------------------------------------- |
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39 // |
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40 CThumbnailGenerateTask::CThumbnailGenerateTask( CThumbnailTaskProcessor& |
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41 aProcessor, CThumbnailServer& aServer, RFile64* aFile, TDesC8* aBuffer, |
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42 const TDataType* aMimeType, CThumbnailManager::TThumbnailFlags aFlags, |
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43 const TSize& aSize, TDisplayMode aDisplayMode, TInt aPriority, |
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44 RArray < TThumbnailPersistentSize >* aMissingSizes, const TDesC& aTargetUri, |
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45 TThumbnailSize aThumbnailSize, const TThumbnailId aThumbnailId, |
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46 const CThumbnailManager::TThumbnailQualityPreference aQualityPreference ): |
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47 CThumbnailTask( aProcessor, aPriority ), iServer( aServer ), |
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48 iFlags( aFlags ), iSize( aSize ), iDisplayMode( aDisplayMode ), |
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49 iMissingSizes( aMissingSizes ), iTargetUri( aTargetUri ), |
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50 iThumbnailSize( aThumbnailSize ), iThumbnailId(aThumbnailId), |
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51 iQualityPreference( aQualityPreference ) |
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52 { |
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53 TN_DEBUG2( "CThumbnailGenerateTask(0x%08x)::CThumbnailGenerateTask()", this); |
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54 |
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55 if ( !aBuffer && aFile) |
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56 { |
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57 iFile = *aFile; |
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58 iFile.FullName( iFilename ); |
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59 } |
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60 else if( aBuffer ) |
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61 { |
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62 iBuffer = aBuffer; |
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63 } |
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64 if ( aMimeType ) |
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65 { |
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66 iMimeType = *aMimeType; |
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67 } |
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68 else |
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69 { |
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70 iMimeType = TDataType(KNullDesC8); |
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71 } |
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72 |
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73 // scaled bitmaps to pool by default |
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74 iScaledBitmapToPool = ETrue; |
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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 // CThumbnailGenerateTask::~CThumbnailGenerateTask() |
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80 // Destructor. |
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81 // --------------------------------------------------------------------------- |
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82 // |
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83 CThumbnailGenerateTask::~CThumbnailGenerateTask() |
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84 { |
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85 TN_DEBUG2("CThumbnailGenerateTask(0x%08x)::~CThumbnailGenerateTask()", this); |
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86 |
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87 if ( iProvider ) |
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88 { |
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89 iProvider->CancelGetThumbnail(); |
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90 } |
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91 |
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92 if ( iMissingSizes ) |
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93 { |
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94 iMissingSizes->Reset(); |
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95 delete iMissingSizes; |
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96 } |
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97 |
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98 if ( iBitmap ) |
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99 { |
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100 iServer.DeleteBitmapFromPool( iBitmap->Handle()); |
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101 iBitmap = NULL; |
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102 } |
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103 |
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104 iProvider = NULL; |
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105 delete iBuffer; |
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106 iBuffer = NULL; |
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107 |
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108 iFile.Close(); |
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109 TN_DEBUG1("CThumbnailGenerateTask::~CThumbnailGenerateTask() - file handle closed"); |
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110 } |
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111 |
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112 |
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113 // --------------------------------------------------------------------------- |
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114 // CThumbnailGenerateTask::StartL() |
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115 // --------------------------------------------------------------------------- |
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116 // |
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117 void CThumbnailGenerateTask::StartL() |
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118 { |
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119 TN_DEBUG2( "CThumbnailGenerateTask(0x%08x)::StartL()", this ); |
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120 |
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121 CThumbnailTask::StartL(); |
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122 |
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123 #ifdef _DEBUG |
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124 aStart.UniversalTime(); |
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125 #endif |
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126 |
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127 |
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128 TParsePtrC parse(iFilename); |
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129 TPtrC ext(parse.Ext()); |
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130 TBuf8< KMaxDataTypeLength > mimeType; |
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131 if (ext.CompareF(KNonEmbeddedArtExt)== 0) |
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132 { |
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133 mimeType.Copy( KImageMime ); |
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134 } |
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135 else |
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136 { |
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137 mimeType = iMimeType.Des8(); |
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138 } |
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139 iProvider = iServer.ResolveProviderL(mimeType); |
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140 |
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141 TN_DEBUG3( "CThumbnailGenerateTask(0x%08x) -- provider UID 0x%08x", this, |
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142 iProvider->Uid()); |
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143 |
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144 __ASSERT_DEBUG(( iProvider ), ThumbnailPanic( EThumbnailNullPointer )); |
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145 |
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146 iProvider->CancelGetThumbnail(); |
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147 iProvider->Reset(); |
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148 iProvider->SetObserver( *this ); |
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149 |
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150 TSize effectiveTargetSize; |
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151 TSize croppedTargetSize; |
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152 |
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153 CalculateTargetSizesL( effectiveTargetSize, croppedTargetSize ); |
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154 |
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155 iProvider->SetTargetSize( effectiveTargetSize ); |
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156 |
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157 if(effectiveTargetSize == TSize()) |
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158 { |
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159 iProvider->SetTargetSize( croppedTargetSize ); |
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160 } |
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161 |
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162 if ( !iBuffer ) |
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163 { |
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164 iProvider->GetThumbnailL( iServer.Fs(), iFile, iMimeType, iFlags, |
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165 iDisplayMode, iQualityPreference ); |
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166 } |
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167 else |
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168 { |
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169 iProvider->GetThumbnailL( iServer.Fs(), iBuffer, iMimeType, iFlags, |
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170 iDisplayMode, iQualityPreference ); |
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171 } |
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172 } |
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173 |
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174 |
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175 // --------------------------------------------------------------------------- |
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176 // CThumbnailGenerateTask::RunL() |
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177 // --------------------------------------------------------------------------- |
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178 // |
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179 void CThumbnailGenerateTask::RunL() |
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180 { |
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181 // No implementation required |
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182 } |
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183 |
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184 |
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185 // --------------------------------------------------------------------------- |
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186 // CThumbnailGenerateTask::DoCancel() |
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187 // --------------------------------------------------------------------------- |
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188 // |
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189 void CThumbnailGenerateTask::DoCancel() |
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190 { |
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191 TN_DEBUG2( "CThumbnailGenerateTask(0x%08x)::DoCancel()", this ); |
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192 if ( iProvider ) |
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193 { |
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194 iProvider->CancelGetThumbnail(); |
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195 } |
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196 } |
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197 |
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198 |
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199 // --------------------------------------------------------------------------- |
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200 // Calculate the largest non-cropped size and largest cropped size and |
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201 // let the provider plug-in know the values |
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202 // --------------------------------------------------------------------------- |
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203 // |
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204 void CThumbnailGenerateTask::CalculateTargetSizesL( TSize& aEffectiveTargetSize, |
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205 TSize& aCroppedTargetSize ) |
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206 { |
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207 if ( iThumbnailSize == ECustomThumbnailSize ) |
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208 { |
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209 if ( iFlags& CThumbnailManager::ECropToAspectRatio ) |
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210 { |
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211 aCroppedTargetSize = iSize; |
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212 } |
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213 else |
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214 { |
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215 aEffectiveTargetSize = iSize; |
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216 } |
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217 } |
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218 |
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219 if ( iThumbnailSize != ECustomThumbnailSize ) |
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220 { |
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221 RArray < TThumbnailPersistentSize > sizes = iServer.PersistentSizesL(); |
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222 const TInt count = sizes.Count(); |
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223 for ( TInt i = 0; i < count; i++ ) |
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224 { |
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225 TThumbnailPersistentSize size( sizes[i] ); |
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226 |
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227 iSize = size.iSize; |
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228 if ( size.iCrop ) |
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229 { |
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230 aCroppedTargetSize.iWidth = Max( aCroppedTargetSize.iWidth, |
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231 size.iSize.iWidth ); |
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232 aCroppedTargetSize.iHeight = Max( aCroppedTargetSize.iHeight, |
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233 size.iSize.iHeight ); |
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234 if(iBuffer) |
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235 { |
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236 iFlags = ( CThumbnailManager::TThumbnailFlags ) (iFlags | CThumbnailManager::ECropToAspectRatio); |
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237 aEffectiveTargetSize = aCroppedTargetSize; |
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238 } |
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239 } |
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240 else |
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241 { |
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242 aEffectiveTargetSize.iWidth = Max( aEffectiveTargetSize.iWidth, |
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243 size.iSize.iWidth ); |
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244 aEffectiveTargetSize.iHeight = Max( aEffectiveTargetSize.iHeight, |
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245 size.iSize.iHeight ); |
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246 } |
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247 |
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248 if(size.iType == iThumbnailSize) |
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249 { |
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250 break; |
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251 } |
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252 } |
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253 } |
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254 } |
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255 |
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256 // --------------------------------------------------------------------------- |
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257 // Thumbnail provider observer callback to notify the server when |
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258 // thumbnail has been generated. |
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259 // --------------------------------------------------------------------------- |
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260 // |
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261 void CThumbnailGenerateTask::ThumbnailProviderReady( const TInt aError, |
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262 CFbsBitmap* aBitmap, const TSize& aOriginalSize, const TBool aEXIF, const TBool aPortrait ) |
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263 { |
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264 TN_DEBUG4( |
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265 "CThumbnailGenerateTask(0x%08x)::ThumbnailProviderReady(aError=%d, aBitmap=0x%08x)", this, aError, aBitmap ); |
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266 |
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267 #ifdef _DEBUG |
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268 aStop.UniversalTime(); |
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269 TN_DEBUG2( "CThumbnailGenerateTask::ThumbnailProviderReady() generate took %d ms", (TInt)aStop.MicroSecondsFrom(aStart).Int64()/1000); |
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270 #endif |
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271 |
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272 iPortrait = aPortrait; |
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273 iEXIF = aEXIF; |
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274 iOriginalSize = aOriginalSize; |
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275 |
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276 if ( aError ) |
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277 { |
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278 delete aBitmap; |
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279 aBitmap = NULL; |
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280 // Create a temporary bitmap of size 1 for storing blacklisted thumbnail |
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281 // Because no actual bitmap data is generated, there is no reason to |
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282 // add bitmap to server bitmap pool. Completion of client request with |
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283 // error code just results in applications showing their default bitmap. |
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284 if( iFilename != KNullDesC || iTargetUri != KNullDesC ) |
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285 { |
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286 if ( aError == KErrNotSupported || |
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287 aError == KErrCorrupt || |
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288 aError == KErrCompletion) |
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289 { |
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290 TRAPD( err, CreateBlackListedL( aOriginalSize ) ); |
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291 if (err != KErrNone) |
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292 { |
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293 TN_DEBUG2( "CThumbnailGenerateTask::ThumbnailProviderReady() - blacklisting failed with code %d", err ); |
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294 } |
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295 } |
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296 } |
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297 Complete( aError ); |
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298 } |
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299 else |
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300 { |
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301 // CreateScaleTasksL will take ownership of bitmap |
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302 |
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303 #ifdef _DEBUG |
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304 TN_DEBUG2( "CThumbnailGenerateTask::ThumbnailProviderReady() - displaymode is %d", aBitmap->DisplayMode()); |
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305 #endif |
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306 |
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307 TRAPD( err, CreateScaleTasksL( aBitmap )); |
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308 aBitmap = NULL; |
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309 // If CreateScaleTasksL left, we are responsible for completing |
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310 // the RMessage. If there was no leave, then this call will not |
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311 // complete actual the message, just the mark the task as completed. |
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312 Complete( err ); |
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313 } |
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314 } |
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315 |
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316 |
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317 // --------------------------------------------------------------------------- |
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318 // Create tasks to scale the thumbnail to each persistent thumbnail size |
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319 // and also to the size the client requested |
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320 // --------------------------------------------------------------------------- |
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321 // |
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322 void CThumbnailGenerateTask::CreateScaleTasksL( CFbsBitmap* aBitmap ) |
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323 { |
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324 __ASSERT_DEBUG(( aBitmap ), ThumbnailPanic( EThumbnailNullPointer )); |
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325 |
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326 CleanupStack::PushL( aBitmap ); |
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327 iServer.AddBitmapToPoolL( iRequestId.iSession, aBitmap ); |
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328 |
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329 // Keep pointer so we can delete bitmap from pool |
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330 iBitmap = aBitmap; |
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331 CleanupStack::Pop( aBitmap ); |
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332 |
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333 // compTask is the scale task which returns the bitmap to the client |
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334 CThumbnailScaleTask* complTask = NULL; |
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335 |
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336 if ( iMissingSizes ) |
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337 { |
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338 const TInt count = iMissingSizes->Count(); |
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339 |
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340 for ( TInt i( 0 ); i < count; i++ ) |
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341 { |
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342 TThumbnailSize size = (*iMissingSizes)[ i ].iType; |
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343 #ifdef _DEBUG |
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344 TN_DEBUG3( "CThumbnailGenerateTask(0x%08x)::CreateScaleTasksL() *iMissingSizes)[ i ].iType == %d", this, size ); |
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345 #endif |
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346 |
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347 if ( iPortrait ) |
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348 { |
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349 if ( size == EFullScreenThumbnailSize || |
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350 size == EVideoFullScreenThumbnailSize || |
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351 size == EAudioFullScreenThumbnailSize || |
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352 size == EImageFullScreenThumbnailSize ) |
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353 { |
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354 TN_DEBUG2( "*iMissingSizes)[ i ].iWidth == %d", (*iMissingSizes)[ i ].iSize.iWidth ); |
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355 TN_DEBUG2( "*iMissingSizes)[ i ].iHeight == %d", (*iMissingSizes)[ i ].iSize.iHeight ); |
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356 TInt width = (*iMissingSizes)[ i ].iSize.iWidth; |
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357 (*iMissingSizes)[ i ].iSize.iWidth = (*iMissingSizes)[ i ].iSize.iHeight; |
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358 (*iMissingSizes)[ i ].iSize.iHeight = width; |
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359 TN_DEBUG2( "*iMissingSizes)[ i ].iWidth == %d", (*iMissingSizes)[ i ].iSize.iWidth ); |
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360 TN_DEBUG2( "*iMissingSizes)[ i ].iHeight == %d", (*iMissingSizes)[ i ].iSize.iHeight ); |
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361 } |
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362 } |
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363 |
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364 CThumbnailScaleTask* scaleTask = CThumbnailScaleTask::NewL( iProcessor, iServer, iFilename, |
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365 iBitmap, iOriginalSize, (*iMissingSizes)[ i ].iSize, (*iMissingSizes)[ i ].iCrop, iDisplayMode, |
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366 KMaxPriority, iTargetUri, (*iMissingSizes)[ i ].iType, iThumbnailId, iScaledBitmapToPool, iEXIF ); |
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367 CleanupStack::PushL( scaleTask ); |
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368 |
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369 TInt err1 = KErrNone; |
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370 TInt err2 = KErrNone; |
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371 if(iFilename != KNullDesC) |
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372 { |
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373 TRAP(err1, iServer.StoreForPathL(iFilename)); |
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374 } |
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375 if(iTargetUri != KNullDesC) |
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376 { |
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377 TRAP(err2, iServer.StoreForPathL(iTargetUri)); |
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378 } |
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379 // if trying to access Z drive, don't try to store |
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380 // don't want to store custom sizes |
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381 if( err1 == KErrAccessDenied || err2 == KErrAccessDenied || |
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382 (*iMissingSizes)[ i ].iType == ECustomThumbnailSize ) |
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383 { |
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384 scaleTask->SetDoStore( EFalse ); |
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385 } |
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386 else |
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387 { |
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388 scaleTask->SetDoStore( ETrue ); |
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389 } |
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390 |
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391 iProcessor.AddTaskL( scaleTask ); |
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392 CleanupStack::Pop( scaleTask ); |
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393 |
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394 // completion to first task, because task processor works like stack |
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395 if( i == 0 ) |
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396 { |
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397 // compTask is now responsible for completing the RMessage |
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398 scaleTask->SetMessageData( iRequestId, iMessage ); |
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399 ResetMessageData(); |
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400 } |
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401 } |
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402 } |
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403 else |
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404 { |
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405 if( iPortrait ) |
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406 { |
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407 if ( iThumbnailSize == EFullScreenThumbnailSize || |
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408 iThumbnailSize == EVideoFullScreenThumbnailSize || |
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409 iThumbnailSize == EAudioFullScreenThumbnailSize || |
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410 iThumbnailSize == EImageFullScreenThumbnailSize ) |
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411 { |
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412 TInt width = iSize.iWidth; |
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413 iSize.iWidth = iSize.iHeight; |
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414 iSize.iHeight = width; |
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415 } |
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416 } |
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417 |
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418 complTask = CThumbnailScaleTask::NewL( iProcessor, iServer, iFilename, |
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419 iBitmap, iOriginalSize, iSize, iFlags& CThumbnailManager |
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420 ::ECropToAspectRatio, iDisplayMode, KMaxPriority, iTargetUri, |
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421 iThumbnailSize, iThumbnailId, iScaledBitmapToPool, iEXIF ); |
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422 CleanupStack::PushL( complTask ); |
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423 |
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424 TInt err1 = KErrNone; |
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425 TInt err2 = KErrNone; |
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426 if(iFilename != KNullDesC) |
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427 { |
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428 TRAP(err1, iServer.StoreForPathL(iFilename)); |
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429 } |
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430 if(iTargetUri != KNullDesC) |
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431 { |
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432 TRAP(err2, iServer.StoreForPathL(iTargetUri)); |
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433 } |
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434 // if trying to access Z drive, don't try to store |
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435 // don't want to store custom sizes |
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436 if( err1 == KErrAccessDenied || err2 == KErrAccessDenied || |
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437 iThumbnailSize == ECustomThumbnailSize ) |
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438 { |
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439 complTask->SetDoStore( EFalse ); |
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440 } |
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441 else |
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442 { |
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443 complTask->SetDoStore( ETrue ); |
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444 } |
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445 |
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446 iProcessor.AddTaskL( complTask ); |
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447 CleanupStack::Pop( complTask ); |
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448 |
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449 // compTask is now responsible for completing the RMessage and |
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450 // returning the bitmap to the client |
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451 complTask->SetMessageData( iRequestId, iMessage ); |
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452 ResetMessageData(); |
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453 } |
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454 |
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455 // Scale tasks now reference the bitmap in the pool |
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456 iServer.DeleteBitmapFromPool( iBitmap->Handle()); |
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457 iBitmap = NULL; |
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458 } |
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459 |
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460 // --------------------------------------------------------------------------- |
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461 // Defines if scaled bitmaps need to be added to pool |
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462 // --------------------------------------------------------------------------- |
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463 // |
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464 void CThumbnailGenerateTask::ScaledBitmapToPool( TBool aBool ) |
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465 { |
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466 iScaledBitmapToPool = aBool; |
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467 } |
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468 |
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469 // --------------------------------------------------------------------------- |
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470 // Stores a blacklisted thumbnail |
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471 // --------------------------------------------------------------------------- |
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472 // |
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473 void CThumbnailGenerateTask::CreateBlackListedL( const TSize& aOriginalSize ) |
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474 { |
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475 CFbsBitmap* tempBitmap = 0; |
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476 tempBitmap = new (ELeave) CFbsBitmap(); |
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477 CleanupStack::PushL( tempBitmap ); |
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478 TSize tempSize( 1, 1 ); |
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479 User::LeaveIfError( tempBitmap->Create( tempSize, iDisplayMode ) ); |
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480 |
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481 // Instead of creating a blacklisted entry of requested size (iThumbnailSize) in thumbnail db, |
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482 // consider blacklisting all sizes (hence the changes are needed in thumbnail fetching logic too). |
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483 // However, decoding of source to thumnail could succeed in other sizes, which makes blacklisting |
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484 // of requested size only meaningful. |
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485 if(iFilename != KNullDesC) |
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486 { |
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487 iServer.StoreForPathL( iFilename )->StoreThumbnailL( |
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488 iFilename, tempBitmap, aOriginalSize, EFalse, iThumbnailSize, iThumbnailId, EFalse, ETrue ); |
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489 } |
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490 else if(iTargetUri != KNullDesC) |
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491 { |
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492 iServer.StoreForPathL( iTargetUri )->StoreThumbnailL( |
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493 iTargetUri, tempBitmap, aOriginalSize, EFalse, iThumbnailSize, iThumbnailId, EFalse, ETrue ); |
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494 } |
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495 |
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496 CleanupStack::PopAndDestroy( tempBitmap ); |
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497 } |