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1 /* |
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2 * Copyright (c) 2006-2008 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: |
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15 * Scanner class used to scan file system by filename extensions. |
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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 // USER INCLUDES |
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21 #include "msengfileextscanner.h" |
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22 #include "msenguihandler.h" |
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23 |
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24 |
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25 // ================= MEMBER FUNCTIONS ======================================== |
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26 |
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27 // --------------------------------------------------------------------------- |
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28 // CMsengFileExtScanner::CMsengFileExtScanner() |
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29 // |
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30 // C++ default constructor. Can NOT contain any code, that might leave. |
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31 // --------------------------------------------------------------------------- |
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32 CMsengFileExtScanner::CMsengFileExtScanner(MMsengScannerObserver& aObserver, |
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33 CMsengInfoArray& aScanArray, |
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34 RFs& aFsSession) |
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35 : CMsengFileScanner(aObserver, aScanArray, aFsSession), iMoveToNextDirectory(ETrue) |
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36 { |
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37 } |
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38 |
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39 // --------------------------------------------------------------------------- |
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40 // CMsengFileExtScanner::NewL() |
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41 // |
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42 // Two-phased constructor |
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43 // --------------------------------------------------------------------------- |
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44 CMsengFileExtScanner* CMsengFileExtScanner::NewL(MMsengScannerObserver& aObserver, |
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45 CMsengInfoArray& aScanArray, |
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46 RFs& aFsSession) |
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47 { |
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48 CMsengFileExtScanner* self = |
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49 new (ELeave) CMsengFileExtScanner(aObserver, aScanArray, aFsSession); |
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50 return self; |
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51 } |
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52 |
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53 // --------------------------------------------------------------------------- |
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54 // CMsengFileExtScanner::~CMsengFileExtScanner() |
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55 // |
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56 // Destructor |
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57 // --------------------------------------------------------------------------- |
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58 CMsengFileExtScanner::~CMsengFileExtScanner() |
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59 { |
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60 } |
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61 |
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62 |
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63 |
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64 |
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65 // --------------------------------------------------------------------------- |
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66 // CMsengFileExtScanner::FindFilesL() |
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67 // |
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68 // --------------------------------------------------------------------------- |
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69 // |
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70 CDir* CMsengFileExtScanner::FindFilesL(const TDesC& aDirectory, TBool& aMoveToNextDirectory) |
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71 { |
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72 |
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73 // iMoveToNextDirectory is true only when starting to handle the |
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74 // current directory. Reset iCurrentExtensionIndex. |
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75 if(iMoveToNextDirectory) |
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76 { |
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77 iCurrentExtensionIndex = -1; |
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78 iMoveToNextDirectory = EFalse; |
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79 #ifdef __SHOW_RDEBUG_PRINT_ |
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80 RDebug::Print(_L("Entering directory:")); |
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81 RDebug::Print(_L("%S"), &aDirectory); |
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82 #endif // __SHOW_RDEBUG_PRINT_ |
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83 } |
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84 |
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85 // This function performs a search for each file in the directory by extension. |
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86 iCurrentExtensionIndex++; |
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87 const TPtrC pCurrentExtension(InfoArray().Exts()[iCurrentExtensionIndex]); |
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88 |
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89 #ifdef __SHOW_RDEBUG_PRINT_ |
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90 RDebug::Print(_L("Searching files with extension %d"), iCurrentExtensionIndex); |
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91 #endif // __SHOW_RDEBUG_PRINT_ |
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92 |
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93 // Get a list of results for this directory |
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94 CDir* results = NULL; |
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95 TParse parse; |
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96 TInt error; |
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97 |
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98 const TInt pathlength = pCurrentExtension.Length() + aDirectory.Length(); |
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99 if ( pathlength > KMaxFileName ) |
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100 { |
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101 error = KErrNotFound; |
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102 #ifdef __SHOW_RDEBUG_PRINT_ |
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103 RDebug::Print(_L("Path too long, files with extension %d do not fit to directory"), |
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104 iCurrentExtensionIndex); |
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105 #endif // __SHOW_RDEBUG_PRINT_ |
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106 } |
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107 |
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108 else |
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109 { |
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110 FsSession().Parse(pCurrentExtension, aDirectory, parse); |
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111 error = FsSession().GetDir(parse.FullName(), KEntryAttMaskSupported|KEntryAttAllowUid, |
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112 ESortNone, results); |
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113 } |
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114 |
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115 if (error == KErrNotFound) |
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116 { |
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117 results = NULL; |
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118 } |
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119 |
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120 // Should we move onto searching the next directory |
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121 // Yes, if this was the last extension. |
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122 const TInt extensionCount = InfoArray().Exts().Count(); |
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123 iMoveToNextDirectory = (iCurrentExtensionIndex >= extensionCount-1); |
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124 aMoveToNextDirectory = iMoveToNextDirectory; |
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125 |
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126 // Return populated (or potentially NULL) list. |
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127 return results; |
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128 } |
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129 |
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130 // --------------------------------------------------------------------------- |
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131 // CMsengFileExtScanner::HandleLocatedEntryL() |
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132 // |
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133 // |
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134 // --------------------------------------------------------------------------- |
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135 // |
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136 CMsengFileScanner::TLocationResponse CMsengFileExtScanner::HandleLocatedEntryL( |
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137 const TDesC& aFullFileNameAndPath, const TEntry& aEntry) |
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138 { |
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139 TLocationResponse response = EEntryWasDiscarded; |
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140 const TInt KUidLocation = 2; |
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141 TUid fileUid = aEntry[KUidLocation]; |
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142 |
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143 if ( fileUid == KNullUid ) |
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144 { |
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145 // Check whether extension found in special data dir |
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146 TBool addSize( ETrue ); |
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147 TInt dataDirCount = InfoArray().DataDirs().Count(); |
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148 for(TInt i=0; i < dataDirCount; i++) |
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149 { |
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150 TPtrC dataDirPath = InfoArray().DataDirs().MdcaPoint(i); |
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151 |
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152 if(aFullFileNameAndPath.Length() >= dataDirPath.Length()) |
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153 { |
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154 TFileName currentPath; |
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155 currentPath.Copy(aFullFileNameAndPath.Left(dataDirPath.Length())); |
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156 |
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157 // Compare whether folder matches |
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158 if(!currentPath.CompareF(dataDirPath)) |
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159 { |
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160 addSize = EFalse; |
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161 break; |
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162 } |
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163 } |
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164 } |
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165 |
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166 if( addSize ) |
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167 { |
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168 // Add size of object |
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169 InfoArray().AddSizeByExtL(iCurrentExtensionIndex, aEntry.iSize); |
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170 |
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171 #ifdef __SHOW_RDEBUG_PRINT_ |
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172 const TInt pathlength = aFullFileNameAndPath.Length(); |
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173 |
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174 if ( pathlength < KMaxFileName ) |
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175 { |
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176 RDebug::Print(_L("File: %S, extension number: %d, size: %d"), |
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177 &aFullFileNameAndPath, iCurrentExtensionIndex, aEntry.iSize); |
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178 } |
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179 else |
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180 { |
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181 RDebug::Print(_L("File: see next line, extension number: %d, size: %d"), |
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182 iCurrentExtensionIndex, aEntry.iSize ); |
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183 RDebug::Print(_L("Can not print %d characters long file name"), pathlength ); |
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184 } |
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185 #endif // __SHOW_RDEBUG_PRINT_ |
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186 |
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187 // We processed this one |
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188 response = EEntryWasProcessed; |
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189 } |
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190 } |
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191 else |
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192 { |
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193 #ifdef __SHOW_RDEBUG_PRINT_ |
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194 RDebug::Print(_L("Handling file: %S, file Uid: 0x%x"), |
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195 &aFullFileNameAndPath, fileUid.iUid); |
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196 #endif // __SHOW_RDEBUG_PRINT_ |
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197 |
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198 // Make sure other than native applications are not calculated |
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199 if( iCurrentExtensionIndex == EExtSis || iCurrentExtensionIndex == EExtSisx ) |
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200 { |
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201 InfoArray().AddSizeByExtL(iCurrentExtensionIndex, aEntry.iSize); |
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202 } |
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203 } |
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204 |
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205 return response; |
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206 } |
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207 |
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208 // End of File |