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1 /* |
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2 * Copyright (c) 2008-2009 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: Utility for thumbnail tasks handling files |
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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 |
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20 |
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21 /** |
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22 * @internal reviewed 31/07/2007 by Simon Brooks |
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23 */ |
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24 |
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25 #include "glxtnfileutility.h" |
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26 #include <glxtracer.h> |
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27 #include <glxpanic.h> |
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28 #include <glxthumbnailinfo.h> |
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29 #include <pathinfo.h> |
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30 #include <s32file.h> |
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31 #include <featmgr.h> |
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32 #include <bldvariant.hrh> // For feature constants |
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33 |
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34 _LIT(KGlxBadFileList, "glxbadfilelist.dat"); |
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35 _LIT(KGlxBadFileMarker, "glxbadfilemarker.dat"); |
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36 |
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37 // ----------------------------------------------------------------------------- |
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38 // Constructor |
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39 // ----------------------------------------------------------------------------- |
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40 // |
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41 CGlxtnFileUtility::CGlxtnFileUtility() |
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42 { |
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43 TRACER("CGlxtnFileUtility::CGlxtnFileUtility()"); |
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44 } |
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45 |
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46 // ----------------------------------------------------------------------------- |
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47 // ConstructL |
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48 // Symbian 2nd phase constructor can leave. |
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49 // ----------------------------------------------------------------------------- |
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50 // |
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51 void CGlxtnFileUtility::ConstructL() |
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52 { |
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53 TRACER("CGlxtnFileUtility::ConstructL()"); |
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54 User::LeaveIfError(iFs.Connect()); |
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55 |
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56 iFs.PrivatePath(iBadFileDir); |
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57 iBadFileDir.Insert( |
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58 0, PathInfo::PhoneMemoryRootPath().Left( KMaxDriveName ) ); |
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59 |
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60 TRAP_IGNORE(ReadBadFileListL()); |
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61 |
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62 LayoutSpecificDataL(); |
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63 |
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64 } |
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65 |
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66 // ----------------------------------------------------------------------------- |
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67 // NewL |
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68 // Two-phased constructor. |
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69 // ----------------------------------------------------------------------------- |
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70 // |
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71 CGlxtnFileUtility* CGlxtnFileUtility::NewL() |
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72 { |
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73 TRACER("CGlxtnFileUtility::NewL()"); |
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74 CGlxtnFileUtility* self = new (ELeave) CGlxtnFileUtility; |
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75 |
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76 CleanupStack::PushL(self); |
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77 self->ConstructL(); |
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78 CleanupStack::Pop(); |
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79 |
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80 return self; |
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81 } |
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82 |
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83 // ----------------------------------------------------------------------------- |
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84 // Destructor |
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85 // ----------------------------------------------------------------------------- |
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86 // |
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87 CGlxtnFileUtility::~CGlxtnFileUtility() |
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88 { |
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89 TRACER("CGlxtnFileUtility::~CGlxtnFileUtility()"); |
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90 iFs.Close(); |
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91 iBadFileArray.ResetAndDestroy(); |
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92 iPersistentSizeClasses.Close(); |
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93 } |
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94 |
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95 // ----------------------------------------------------------------------------- |
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96 // FsSession |
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97 // Provide file server session for opening images from files. |
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98 // ----------------------------------------------------------------------------- |
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99 // |
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100 RFs& CGlxtnFileUtility::FsSession() |
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101 { |
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102 TRACER("RFs& CGlxtnFileUtility::FsSession()"); |
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103 return iFs; |
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104 } |
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105 |
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106 // ----------------------------------------------------------------------------- |
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107 // CheckBadFileListL |
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108 // Test whether a file is on the bad file list. If not the bad file marker |
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109 // is set to the filename, so that if a panic occurs it will be added to the |
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110 // bad file list. |
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111 // ----------------------------------------------------------------------------- |
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112 // |
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113 void CGlxtnFileUtility::CheckBadFileListL(const TDesC& aFilename) |
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114 { |
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115 TRACER("0CGlxtnFileUtility::CheckBadFileListL(const TDesC& aFilename)"); |
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116 for ( TInt i = 0; i < iBadFileArray.Count(); i++ ) |
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117 { |
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118 if ( 0 == iBadFileArray[i]->CompareF(aFilename) ) |
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119 { |
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120 // File is bad |
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121 User::Leave( KErrCorrupt ); |
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122 } |
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123 } |
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124 |
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125 // Set bad file marker |
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126 TPath path(iBadFileDir); |
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127 path.Append(KGlxBadFileMarker); |
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128 |
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129 // Ensure directory exists |
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130 TInt err = iFs.MkDirAll(path); |
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131 if ( err != KErrAlreadyExists ) |
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132 { |
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133 User::LeaveIfError(err); |
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134 } |
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135 |
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136 RFileWriteStream stream; |
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137 CleanupClosePushL(stream); |
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138 User::LeaveIfError(stream.Replace( |
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139 iFs, path, EFileWrite | EFileShareExclusive)); |
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140 stream << aFilename; |
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141 stream.CommitL(); |
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142 CleanupStack::PopAndDestroy(&stream); |
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143 } |
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144 |
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145 // ----------------------------------------------------------------------------- |
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146 // ClearBadFileMarker |
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147 // Clear the bad file marker. Called when processing a file is complete (no |
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148 // panic occurred). |
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149 // ----------------------------------------------------------------------------- |
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150 // |
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151 void CGlxtnFileUtility::ClearBadFileMarker() |
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152 { |
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153 TRACER("void CGlxtnFileUtility::ClearBadFileMarker()"); |
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154 TPath path(iBadFileDir); |
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155 path.Append(KGlxBadFileMarker); |
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156 |
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157 ( void )iFs.Delete( path ); // Ignore error |
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158 } |
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159 |
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160 // ----------------------------------------------------------------------------- |
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161 // IsPersistentSize |
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162 // Test whether a generated thumbnail should be stored in persistent storage. |
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163 // ----------------------------------------------------------------------------- |
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164 // |
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165 TBool CGlxtnFileUtility::IsPersistentSize(const TSize& aSize) |
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166 { |
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167 TRACER("CGlxtnFileUtility::IsPersistentSize()"); |
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168 for ( TInt i = 0; i < iPersistentSizeClasses.Count(); i++ ) |
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169 { |
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170 if ( iPersistentSizeClasses[i] == aSize ) |
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171 { |
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172 return ETrue; |
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173 } |
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174 } |
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175 |
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176 return EFalse; |
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177 } |
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178 |
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179 // ----------------------------------------------------------------------------- |
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180 // ReadBadFileListL |
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181 // ----------------------------------------------------------------------------- |
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182 // |
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183 void CGlxtnFileUtility::ReadBadFileListL() |
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184 { |
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185 TRACER("void CGlxtnFileUtility::ReadBadFileListL()"); |
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186 TPath pathList(iBadFileDir); |
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187 pathList.Append(KGlxBadFileList); |
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188 TPath pathMarker(iBadFileDir); |
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189 pathMarker.Append(KGlxBadFileMarker); |
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190 |
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191 RFileReadStream stream; |
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192 CleanupClosePushL(stream); |
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193 |
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194 // Check bad file list |
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195 if ( KErrNone == stream.Open( |
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196 iFs, pathList, EFileRead | EFileShareReadersOnly) ) |
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197 { |
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198 TInt err; |
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199 // Loop until end of file |
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200 do |
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201 { |
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202 TRAP(err, |
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203 HBufC* file = HBufC::NewLC(stream, KMaxTInt); |
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204 iBadFileArray.AppendL(file); |
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205 CleanupStack::Pop(file); |
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206 ) |
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207 } while ( KErrNone == err ); |
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208 |
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209 stream.Close(); |
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210 // NOTE: We always get KErrEof even if the file is corrupted |
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211 } |
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212 |
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213 // Check bad file marker |
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214 if ( KErrNone == stream.Open( |
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215 iFs, pathMarker, EFileRead | EFileShareReadersOnly) ) |
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216 { |
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217 // File exists, file in marker must be bad |
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218 HBufC* file = HBufC::NewLC(stream, KMaxTInt); |
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219 iBadFileArray.AppendL(file); |
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220 CleanupStack::Pop(file); |
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221 |
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222 // Save the list for next gallery session |
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223 // Recreate whole file in case existing file is corrupted |
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224 WriteBadFileListL(); |
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225 |
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226 stream.Close(); |
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227 ClearBadFileMarker(); |
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228 } |
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229 |
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230 CleanupStack::Pop(&stream); // Stream already closed |
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231 } |
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232 |
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233 // ----------------------------------------------------------------------------- |
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234 // WriteBadFileListL |
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235 // ----------------------------------------------------------------------------- |
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236 // |
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237 void CGlxtnFileUtility::WriteBadFileListL() |
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238 { |
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239 TRACER("void CGlxtnFileUtility::WriteBadFileListL()"); |
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240 TPath path(iBadFileDir); |
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241 path.Append(KGlxBadFileList); |
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242 |
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243 RFileWriteStream stream; |
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244 CleanupClosePushL(stream); |
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245 User::LeaveIfError(stream.Replace( |
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246 iFs, path, EFileWrite | EFileShareExclusive)); |
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247 |
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248 for ( TInt i = 0; i < iBadFileArray.Count() ; i++ ) |
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249 { |
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250 stream << *iBadFileArray[i]; |
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251 } |
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252 stream.CommitL(); |
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253 |
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254 CleanupStack::PopAndDestroy(&stream); |
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255 } |
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256 // ----------------------------------------------------------------------------- |
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257 // LayoutSpecificDataL |
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258 // ----------------------------------------------------------------------------- |
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259 // |
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260 void CGlxtnFileUtility::LayoutSpecificDataL() |
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261 { |
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262 TRACER("void CGlxtnFileUtility::LayoutSpecificDataL()"); |
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263 // Sets up TLS, must be done before FeatureManager is used. |
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264 FeatureManager::InitializeLibL(); |
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265 |
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266 if(FeatureManager::FeatureSupported( KFeatureIdLayout640_360_Touch ) || FeatureManager::FeatureSupported( KFeatureIdLayout360_640_Touch )) |
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267 { |
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268 iPersistentSizeClasses.AppendL(TSize(111,83)); |
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269 iPersistentSizeClasses.AppendL(TSize(640,360)); |
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270 iPersistentSizeClasses.AppendL(TSize(360,640)); |
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271 } |
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272 else if(FeatureManager::FeatureSupported(KFeatureIdLayout640_480_Touch) || FeatureManager::FeatureSupported(KFeatureIdLayout480_640_Touch) || |
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273 FeatureManager::FeatureSupported(KFeatureIdLayout640_480) || FeatureManager::FeatureSupported(KFeatureIdLayout480_640)) |
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274 { |
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275 iPersistentSizeClasses.AppendL(TSize(146,110)); |
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276 iPersistentSizeClasses.AppendL(TSize(640,480)); |
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277 iPersistentSizeClasses.AppendL(TSize(480,640)); |
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278 } |
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279 else |
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280 { |
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281 iPersistentSizeClasses.AppendL(TSize(146,110)); |
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282 iPersistentSizeClasses.AppendL(TSize(640,480)); |
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283 iPersistentSizeClasses.AppendL(TSize(480,640)); |
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284 } |
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285 // Frees the TLS. Must be done after FeatureManager is used. |
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286 FeatureManager::UnInitializeLib(); |
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287 } |
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288 |
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289 |
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290 // End of File |