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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: |
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15 * Scan directories |
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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 // SYSTEM INCLUDES |
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21 #include <bautils.h> |
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22 |
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23 // USER INCLUDES |
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24 #include "msengdirectoryscanner.h" |
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25 |
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26 |
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27 // CONSTANTS |
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28 _LIT(KMsengPathDelimiter, "\\"); |
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29 |
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30 |
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31 // ================= MEMBER FUNCTIONS ======================================== |
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32 |
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33 // --------------------------------------------------------------------------- |
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34 // CMsengDirectoryScanner::CMsengDirectoryScanner() |
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35 // |
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36 // Default C++ constructor |
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37 // --------------------------------------------------------------------------- |
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38 CMsengDirectoryScanner::CMsengDirectoryScanner( |
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39 MMsengScannerObserver& aObserver, |
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40 CMsengInfoArray& aScanArray, |
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41 RFs& aFsSession ) |
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42 : CMsengScannerBase(aObserver, aScanArray, aFsSession) |
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43 { |
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44 } |
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45 |
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46 |
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47 // --------------------------------------------------------------------------- |
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48 // CMsengDirectoryScanner::~CMsengDirectoryScanner() |
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49 // |
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50 // Destructor |
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51 // --------------------------------------------------------------------------- |
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52 CMsengDirectoryScanner::~CMsengDirectoryScanner() |
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53 { |
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54 delete iDirectoryList; |
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55 delete iScanner; |
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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 |
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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 // CMsengDirectoryScanner::ScanL() |
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66 // |
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67 // |
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68 // --------------------------------------------------------------------------- |
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69 void CMsengDirectoryScanner::ScanL(const CDesCArray& aRootDirs) |
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70 { |
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71 if (iDirectoryList) |
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72 { |
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73 iDirectoryList->Reset(); |
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74 } |
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75 else |
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76 { |
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77 iDirectoryList = new(ELeave) CDesCArraySeg(KDirectoryListGranularity); |
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78 } |
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79 if (!iScanner) |
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80 { |
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81 iScanner = CDirScan::NewL(FsSession()); |
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82 } |
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83 // Copy existing directories over |
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84 const TInt count = iNumberOfRootDirectories = aRootDirs.Count(); |
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85 for(TInt i=0; i<count; i++) |
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86 { |
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87 // Make sure the copied root dirs exist. Otherwise the RunL() |
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88 // would leave with KErrPathNotFound. After having the list |
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89 // of root dirs, all scanned dirs are taken from the list obtained |
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90 // by a CDirScan instance and are thus known to exist because |
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91 if( InfoArray().FolderExists(FsSession(),aRootDirs[i]) ) |
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92 { |
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93 iDirectoryList->AppendL(aRootDirs[i]); |
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94 #ifdef __SHOW_RDEBUG_PRINT_ |
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95 TPtrC dir = aRootDirs[i]; |
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96 RDebug::Print(_L("Root directory: %S"), &dir); |
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97 #endif // __SHOW_RDEBUG_PRINT_ |
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98 } |
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99 else |
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100 { |
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101 iNumberOfRootDirectories--; |
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102 } |
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103 } |
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104 |
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105 // Start the scan going |
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106 CompleteRequest(); |
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107 } |
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108 |
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109 |
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110 // --------------------------------------------------------------------------- |
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111 // CMsengDirectoryScanner::PerformStepL() |
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112 // |
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113 // |
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114 // --------------------------------------------------------------------------- |
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115 CMsengScannerBase::TStepResult CMsengDirectoryScanner::PerformStepL() |
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116 { |
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117 TStepResult result = ECompleteRequest; |
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118 RFs& fsSession = FsSession(); |
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119 |
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120 // Expand the root directories to a full list of |
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121 // subdirectories |
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122 if (iState == EExpandingRootDirs) |
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123 { |
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124 if (iCurrentIndex >= iNumberOfRootDirectories) |
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125 { |
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126 // Finished scanning for the subdirectories. |
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127 // Reset the current index so that we pass all the directories |
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128 // (including the root paths) to the subclasses. |
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129 iCurrentIndex = 0; |
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130 iState = EScanningSubDirs; |
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131 } |
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132 else |
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133 { |
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134 const TPtrC pFolder(iDirectoryList->MdcaPoint(iCurrentIndex++)); |
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135 |
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136 // Do the recursive scanning: First set scan data. |
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137 iScanner->SetScanDataL( |
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138 pFolder, |
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139 KEntryAttDir|KEntryAttMatchExclusive, |
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140 ESortNone, |
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141 CDirScan::EScanDownTree |
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142 ); |
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143 |
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144 // Add all the located subdirectories to the array |
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145 iState = EParsingExpandedList; |
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146 } |
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147 } |
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148 else if (iState == EParsingExpandedList) |
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149 { |
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150 CDir* list = NULL; |
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151 iScanner->NextL(list); |
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152 |
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153 if (list) |
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154 { |
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155 CleanupStack::PushL(list); |
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156 |
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157 const TPtrC pFullPath(iScanner->FullPath()); |
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158 TFileName file; |
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159 |
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160 const TInt count = list->Count(); |
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161 for(TInt i=0; i<count; i++) |
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162 { |
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163 const TPtrC pEntry((*list)[i].iName); |
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164 file = pFullPath; |
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165 file += pEntry; |
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166 file += KMsengPathDelimiter; |
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167 #ifdef __SHOW_RDEBUG_PRINT_ |
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168 // Don't add text, all print space (256 chars) may be required |
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169 RDebug::Print(_L("%S"), &file); |
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170 #endif // __SHOW_RDEBUG_PRINT_ |
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171 AppendDirectoryL(file); |
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172 } |
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173 // |
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174 CleanupStack::PopAndDestroy(list); |
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175 } |
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176 else |
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177 { |
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178 // No more processing to do in this state |
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179 iState = EExpandingRootDirs; |
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180 } |
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181 } |
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182 else if (iState == EScanningSubDirs) |
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183 { |
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184 // Scan this folder |
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185 if (iCurrentIndex < iDirectoryList->Count()) |
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186 { |
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187 const TPtrC pFolder(iDirectoryList->MdcaPoint(iCurrentIndex)); |
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188 const TScanDirectoryResult scanDirectoryResult = |
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189 ScanDirectoryL(pFolder, fsSession); |
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190 |
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191 // Check whether we continue with this directory next time |
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192 if (scanDirectoryResult == EContinueToNextDirectory) |
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193 { |
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194 iCurrentIndex++; |
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195 } |
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196 } |
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197 else |
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198 { |
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199 // All directories scanned now |
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200 result = EScanComplete; |
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201 } |
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202 } |
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203 |
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204 // Return the response back to the base scanner |
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205 return result; |
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206 } |
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207 |
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208 |
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209 // --------------------------------------------------------------------------- |
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210 // CMsengDirectoryScanner::AppendDirectoryL() |
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211 // |
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212 // |
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213 // --------------------------------------------------------------------------- |
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214 void CMsengDirectoryScanner::AppendDirectoryL(const TDesC& aDirectory) |
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215 { |
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216 // Append the directory to the directory list, |
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217 // unless it is listed as excluded directory |
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218 if( IsSpecialDir(aDirectory) || !IsExcludedDir(aDirectory) ) |
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219 { |
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220 iDirectoryList->AppendL(aDirectory); |
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221 } |
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222 else |
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223 { |
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224 #ifdef __SHOW_RDEBUG_PRINT_ |
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225 RDebug::Print(_L("Dir is excluded! %S"), &aDirectory); |
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226 #endif // __SHOW_RDEBUG_PRINT_ |
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227 } |
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228 } |
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229 |
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230 // End of File |