1 /* |
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2 * Copyright (c) 2002-2006 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: Calculates given folder size |
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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 FILES |
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20 #include "CFilemanagerActiveCount.h" |
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21 |
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22 // CONSTANTS |
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23 const TInt KFileManagerProcessFilesPerCycle = 20; |
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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 // CFileManagerActiveCount::CFileManagerActiveCount |
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29 // C++ default constructor can NOT contain any code, that |
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30 // might leave. |
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31 // ----------------------------------------------------------------------------- |
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32 // |
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33 CFileManagerActiveCount::CFileManagerActiveCount( RFs& aFs ) : |
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34 iFs( aFs ), |
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35 iFolders( KErrNotFound ), |
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36 iFiles( KErrNotFound), |
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37 iOpenFiles( KErrNotFound ) |
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38 { |
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39 } |
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40 |
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41 // ----------------------------------------------------------------------------- |
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42 // CFileManagerActiveCount::NewL |
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43 // Two-phased constructor. |
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44 // ----------------------------------------------------------------------------- |
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45 // |
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46 CFileManagerActiveCount* CFileManagerActiveCount::NewL( |
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47 RFs& aFs, |
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48 const TDesC& aRootFolder, |
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49 const CFileManagerItemProperties::TFileManagerFileType aType |
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50 ) |
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51 { |
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52 CFileManagerActiveCount* self = new( ELeave ) CFileManagerActiveCount( |
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53 aFs ); |
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54 CleanupStack::PushL( self ); |
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55 self->ConstructL( aRootFolder, aType ); |
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56 CleanupStack::Pop( self ); |
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57 return self; |
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58 } |
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59 |
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60 // ----------------------------------------------------------------------------- |
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61 // CFileManagerActiveCount::ConstructL |
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62 // |
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63 // ----------------------------------------------------------------------------- |
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64 // |
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65 void CFileManagerActiveCount::ConstructL( |
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66 const TDesC& aRootFolder, |
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67 const CFileManagerItemProperties::TFileManagerFileType aType ) |
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68 { |
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69 |
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70 iDirScan = CDirScan::NewL( iFs ); |
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71 |
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72 if ( aType == CFileManagerItemProperties::EFolder ) |
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73 { |
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74 // Set scanning from current directory, take only folders |
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75 // No sorting needed |
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76 iDirScan->SetScanDataL( |
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77 aRootFolder, |
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78 KEntryAttDir | KEntryAttMatchExclusive, |
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79 ESortNone ); |
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80 } |
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81 else if ( aType == CFileManagerItemProperties::EFile || |
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82 aType == CFileManagerItemProperties::EOpen || |
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83 aType == CFileManagerItemProperties::EReadOnly ) |
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84 { |
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85 // Set scanning from current directory, take only file |
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86 // No sorting needed |
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87 iDirScan->SetScanDataL( |
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88 aRootFolder, |
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89 KEntryAttNormal | KEntryAttHidden | KEntryAttSystem, |
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90 ESortNone ); |
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91 } |
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92 else |
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93 { |
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94 // Set scanning from current directory, |
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95 // take file and folders except hidden and system files |
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96 // No sorting needed |
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97 iDirScan->SetScanDataL( aRootFolder, KEntryAttDir, ESortNone ); |
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98 } |
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99 |
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100 TRAPD( err, iDirScan->NextL( iDir ) ); |
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101 |
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102 if ( err == KErrNone && iDir ) |
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103 { |
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104 if ( aType == CFileManagerItemProperties::EOpen || |
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105 aType == CFileManagerItemProperties::EReadOnly ) |
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106 { |
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107 iFiles = iDir->Count(); |
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108 iOpenFiles = 0; |
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109 } |
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110 else if ( aType == CFileManagerItemProperties::EFolder ) |
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111 { |
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112 iFolders = iDir->Count(); |
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113 delete iDir; |
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114 iDir = NULL; |
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115 iProcessDone = ETrue; |
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116 } |
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117 else if ( aType == CFileManagerItemProperties::EFile ) |
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118 { |
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119 iFiles = iDir->Count(); |
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120 delete iDir; |
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121 iDir = NULL; |
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122 iProcessDone = ETrue; |
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123 } |
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124 } |
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125 |
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126 } |
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127 |
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128 // ----------------------------------------------------------------------------- |
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129 // CFileManagerActiveCount::~CFileManagerActiveCount |
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130 // Destructor |
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131 // ----------------------------------------------------------------------------- |
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132 // |
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133 CFileManagerActiveCount::~CFileManagerActiveCount() |
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134 { |
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135 delete iDirScan; |
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136 delete iDir; |
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137 } |
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138 |
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139 // ----------------------------------------------------------------------------- |
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140 // CFileManagerActiveCount::IsProcessDone |
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141 // |
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142 // ----------------------------------------------------------------------------- |
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143 // |
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144 TBool CFileManagerActiveCount::IsProcessDone() const |
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145 { |
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146 return iProcessDone; |
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147 } |
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148 |
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149 // ----------------------------------------------------------------------------- |
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150 // CFileManagerActiveCount::StepL |
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151 // |
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152 // ----------------------------------------------------------------------------- |
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153 // |
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154 void CFileManagerActiveCount::StepL() |
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155 { |
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156 if( !iDir ) |
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157 { |
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158 iProcessDone = ETrue; |
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159 return; |
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160 } |
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161 |
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162 TInt processCount( KFileManagerProcessFilesPerCycle ); |
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163 while( iFileCounter < iDir->Count() && processCount ) |
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164 { |
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165 const TEntry& entry( ( *iDir )[ iFileCounter ] ); |
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166 iFileName.Copy( iDirScan->FullPath() ); |
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167 iFileName.Append( entry.iName ); |
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168 TBool fileIsOpen( EFalse ); |
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169 if ( KErrNone == iFs.IsFileOpen( iFileName, fileIsOpen ) ) |
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170 { |
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171 if ( fileIsOpen ) |
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172 { |
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173 ++iOpenFiles; |
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174 } |
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175 } |
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176 ++iFileCounter; |
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177 --processCount; |
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178 } |
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179 |
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180 if ( iFileCounter >= iDir->Count() ) |
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181 { |
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182 delete iDir; |
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183 iDir = NULL; |
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184 iDirScan->NextL( iDir ); |
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185 if ( !iDir ) |
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186 { |
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187 iProcessDone = ETrue; |
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188 } |
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189 iFileCounter = 0; |
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190 } |
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191 |
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192 } |
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193 |
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194 // ----------------------------------------------------------------------------- |
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195 // CFileManagerActiveCount::FolderCount() |
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196 // |
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197 // ----------------------------------------------------------------------------- |
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198 // |
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199 TInt CFileManagerActiveCount::FolderCount() const |
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200 { |
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201 if ( iProcessDone ) |
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202 { |
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203 return iFolders; |
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204 } |
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205 return KErrNotFound; |
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206 } |
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207 |
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208 // ----------------------------------------------------------------------------- |
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209 // CFileManagerActiveCount::FileCount() |
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210 // |
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211 // ----------------------------------------------------------------------------- |
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212 // |
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213 TInt CFileManagerActiveCount::FileCount() const |
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214 { |
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215 if ( iProcessDone ) |
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216 { |
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217 return iFiles; |
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218 } |
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219 return KErrNotFound; |
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220 } |
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221 |
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222 // ----------------------------------------------------------------------------- |
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223 // CFileManagerActiveCount::OpenFiles() |
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224 // |
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225 // ----------------------------------------------------------------------------- |
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226 // |
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227 TInt CFileManagerActiveCount::OpenFiles() const |
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228 { |
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229 if ( iProcessDone ) |
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230 { |
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231 return iOpenFiles; |
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232 } |
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233 return KErrNotFound; |
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234 } |
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235 |
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236 // End of File |
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