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1 /* |
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2 * Copyright (c) 2002-2008 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: Goes through folder tree one item at time |
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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 // INCLUDE FILES |
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21 #include "CFileManagerFileSystemIterator.h" |
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22 #include "CFileManagerEngine.h" |
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23 #include "CFileManagerCommonDefinitions.h" |
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24 |
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25 |
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26 // ============================ MEMBER FUNCTIONS =============================== |
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27 |
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28 // ----------------------------------------------------------------------------- |
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29 // CFileManagerFileSystemIterator::NewL |
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30 // |
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31 // ----------------------------------------------------------------------------- |
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32 // |
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33 CFileManagerFileSystemIterator* CFileManagerFileSystemIterator::NewL( |
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34 RFs& aFs, |
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35 const TDesC& aSrcDir, |
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36 const TDesC& aDstDir, |
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37 CFileManagerEngine& aEngine ) |
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38 { |
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39 CFileManagerFileSystemIterator* self = |
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40 new (ELeave) CFileManagerFileSystemIterator( aDstDir, aEngine ); |
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41 CleanupStack::PushL( self ); |
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42 self->ConstructL( aFs, aSrcDir ); |
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43 CleanupStack::Pop( self ); |
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44 return self; |
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45 } |
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46 |
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47 // ----------------------------------------------------------------------------- |
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48 // CFileManagerFileSystemIterator::CFileManagerFileSystemIterator |
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49 // |
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50 // ----------------------------------------------------------------------------- |
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51 // |
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52 CFileManagerFileSystemIterator::CFileManagerFileSystemIterator( |
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53 const TDesC& aDstDir, CFileManagerEngine& aEngine ) : |
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54 iCount( KErrNotFound ), |
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55 iDstDir( aDstDir ), |
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56 iEngine( aEngine ) |
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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 // CFileManagerFileSystemIterator::~CFileManagerFileSystemIterator |
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62 // |
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63 // ----------------------------------------------------------------------------- |
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64 // |
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65 CFileManagerFileSystemIterator::~CFileManagerFileSystemIterator() |
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66 { |
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67 delete iSrcDir; |
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68 delete iSrc; |
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69 delete iDst; |
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70 delete iDir; |
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71 delete iDirScan; |
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72 } |
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73 |
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74 // ----------------------------------------------------------------------------- |
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75 // CFileManagerFileSystemIterator::ConstructL |
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76 // |
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77 // ----------------------------------------------------------------------------- |
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78 // |
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79 void CFileManagerFileSystemIterator::ConstructL( |
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80 RFs& aFs, const TDesC& aSrcDir ) |
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81 { |
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82 iDirScan = CDirScan::NewL( aFs ); |
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83 // Go through the folders first |
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84 iDirScan->SetScanDataL( |
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85 aSrcDir, |
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86 KEntryAttNormal | KEntryAttHidden | KEntryAttSystem | |
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87 KEntryAttDir | KEntryAttMatchExclusive, |
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88 ESortNone ); |
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89 iSrc = HBufC::NewL( KMaxFileName ); |
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90 // We need double destination size |
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91 // because source and target folder can be |
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92 // KMaxFileName sized and those are append |
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93 // to same buffer. |
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94 iDst = HBufC::NewL( KFmgrDoubleMaxFileName ); |
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95 iDst->Des().Copy( iDstDir ); |
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96 iDirScan->NextL( iDir ); |
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97 iSrcDir = aSrcDir.AllocL(); |
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98 iSrc->Des().Copy( aSrcDir ); |
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99 } |
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100 |
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101 // ----------------------------------------------------------------------------- |
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102 // CFileManagerFileSystemIterator::CurrentL |
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103 // |
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104 // ----------------------------------------------------------------------------- |
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105 // |
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106 void CFileManagerFileSystemIterator::CurrentL( |
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107 HBufC** aSrc, HBufC** aDst, TFileManagerTypeOfItem& aItemType ) |
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108 { |
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109 *aSrc = NULL; |
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110 *aDst = NULL; |
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111 |
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112 if( iCount == KErrNotFound ) |
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113 { |
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114 // Handle destination root folder first |
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115 aItemType = EFileManagerFolder; |
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116 *aSrc = iSrc; // contains iSrcDir |
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117 *aDst = iDst; // contains iDstDir |
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118 } |
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119 else if( iDir && iCount < iDir->Count() ) |
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120 { |
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121 // Handle folder contents |
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122 if( !iFolderScanDone ) |
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123 { |
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124 const TEntry& entry( ( *iDir )[ iCount ] ); |
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125 |
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126 TPtr ptrSrc( iSrc->Des() ); |
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127 ptrSrc.Copy( iDirScan->FullPath() ); |
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128 ptrSrc.Append( entry.iName ); |
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129 ptrSrc.Append( KFmgrBackslash ); |
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130 |
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131 TPtr ptrDst( iDst->Des() ); |
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132 ptrDst.Copy( iDstDir ); |
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133 ptrDst.Append( LocalizedAbbreviatedPath() ); |
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134 |
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135 TPtrC ptr( iEngine.LocalizedName( *iSrc ) ); |
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136 if( ptr.Length() ) |
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137 { |
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138 ptrDst.Append( ptr ); |
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139 } |
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140 else |
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141 { |
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142 ptrDst.Append( entry.iName ); |
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143 } |
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144 ptrDst.Append( KFmgrBackslash ); |
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145 |
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146 aItemType = EFileManagerFolder; |
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147 } |
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148 else |
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149 { |
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150 const TEntry& entry( ( *iDir )[ iCount ] ); |
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151 |
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152 TPtr ptrSrc( iSrc->Des() ); |
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153 ptrSrc.Copy( iDirScan->FullPath() ); |
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154 ptrSrc.Append( entry.iName ); |
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155 |
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156 TPtr ptrDst( iDst->Des() ); |
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157 ptrDst.Copy( iDstDir ); |
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158 ptrDst.Append( LocalizedAbbreviatedPath() ); |
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159 ptrDst.Append( entry.iName ); |
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160 |
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161 aItemType = EFileManagerFile; |
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162 } |
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163 *aSrc = iSrc; |
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164 *aDst = iDst; |
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165 } |
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166 else |
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167 { |
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168 aItemType = EFileManagerNoType; |
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169 } |
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170 } |
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171 |
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172 // ----------------------------------------------------------------------------- |
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173 // CFileManagerFileSystemIterator::NextL |
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174 // |
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175 // ----------------------------------------------------------------------------- |
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176 // |
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177 TBool CFileManagerFileSystemIterator::NextL() |
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178 { |
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179 if ( !iDir ) |
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180 { |
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181 return EFalse; |
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182 } |
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183 |
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184 ++iCount; |
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185 |
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186 // Get next dir |
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187 if( iCount >= iDir->Count() ) |
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188 { |
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189 delete iDir; |
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190 iDir = NULL; |
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191 iCount = 0; |
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192 iDirScan->NextL( iDir ); |
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193 iLocalizedAbbreviatedPath.Zero(); |
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194 } |
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195 |
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196 // Are we done |
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197 if( iDir ) |
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198 { |
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199 return ETrue; |
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200 } |
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201 |
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202 // Folders have been scanned through, now same scanning with files |
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203 if( !iFolderScanDone ) |
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204 { |
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205 iDirScan->SetScanDataL( *iSrcDir, |
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206 KEntryAttNormal | KEntryAttHidden | KEntryAttSystem, |
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207 ESortNone ); |
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208 iDirScan->NextL( iDir ); |
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209 iLocalizedAbbreviatedPath.Zero(); |
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210 iCount = 0; |
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211 iFolderScanDone = ETrue; |
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212 return ETrue; |
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213 } |
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214 |
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215 return EFalse; |
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216 } |
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217 |
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218 // ------------------------------------------------------------------------------ |
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219 // CFileManagerFileSystemIterator::LocalizedAbbreviatedPath |
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220 // |
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221 // ------------------------------------------------------------------------------ |
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222 // |
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223 TPtrC CFileManagerFileSystemIterator::LocalizedAbbreviatedPath() |
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224 { |
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225 TPtrC abbrPath( iDirScan->AbbreviatedPath() ); |
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226 |
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227 if( !iLocalizedAbbreviatedPath.Length() && abbrPath.Length() > 1 ) |
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228 { |
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229 iLocalizedAbbreviatedPath.Append( |
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230 iEngine.LocalizedName( iDirScan->FullPath() ) ); |
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231 |
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232 if( !iLocalizedAbbreviatedPath.Length() ) |
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233 { |
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234 iLocalizedAbbreviatedPath.Append( |
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235 abbrPath.Right( abbrPath.Length() - 1 ) ); |
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236 } |
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237 else |
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238 { |
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239 iLocalizedAbbreviatedPath.Append( KFmgrBackslash ); |
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240 } |
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241 } |
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242 return iLocalizedAbbreviatedPath; |
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243 } |
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244 |
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245 // End of File |