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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 // INCLUDES |
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20 #include "Cfilemanageractivesize.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 // CFileManagerActiveSize::CFileManagerActiveSize |
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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 CFileManagerActiveSize::CFileManagerActiveSize( RFs& aFs ) : |
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34 iFs( aFs ) |
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35 { |
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36 } |
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37 |
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38 // ----------------------------------------------------------------------------- |
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39 // CFileManagerActiveSize::NewL |
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40 // Two-phased constructor. |
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41 // ----------------------------------------------------------------------------- |
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42 // |
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43 CFileManagerActiveSize* CFileManagerActiveSize::NewL( |
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44 RFs& aFs, const TDesC& aRootFolder ) |
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45 { |
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46 CFileManagerActiveSize* self = new( ELeave ) CFileManagerActiveSize( |
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47 aFs ); |
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48 CleanupStack::PushL( self ); |
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49 self->ConstructL( aRootFolder ); |
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50 CleanupStack::Pop( self ); |
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51 return self; |
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52 } |
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53 |
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54 // ----------------------------------------------------------------------------- |
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55 // CFileManagerActiveSize::ConstructL |
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56 // |
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57 // ----------------------------------------------------------------------------- |
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58 // |
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59 void CFileManagerActiveSize::ConstructL( const TDesC& aRootFolder ) |
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60 { |
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61 iDirScan = CDirScan::NewL( iFs ); |
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62 // Set scanning from current directory, |
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63 // take files and folder including the hidden and system files |
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64 // No sorting needed |
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65 iDirScan->SetScanDataL( |
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66 aRootFolder, |
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67 KEntryAttNormal | KEntryAttHidden | KEntryAttSystem, |
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68 ESortNone ); |
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69 } |
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70 |
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71 // ----------------------------------------------------------------------------- |
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72 // CFileManagerActiveSize::~CFileManagerActiveSize |
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73 // Destructor |
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74 // ----------------------------------------------------------------------------- |
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75 // |
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76 CFileManagerActiveSize::~CFileManagerActiveSize() |
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77 { |
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78 delete iDirScan; |
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79 delete iDir; |
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80 } |
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81 |
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82 // ----------------------------------------------------------------------------- |
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83 // CFileManagerActiveSize::IsProcessDone |
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84 // |
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85 // ----------------------------------------------------------------------------- |
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86 // |
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87 TBool CFileManagerActiveSize::IsProcessDone() const |
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88 { |
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89 return iProcessDone; |
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90 } |
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91 |
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92 // ----------------------------------------------------------------------------- |
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93 // CFileManagerActiveSize::StepL |
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94 // |
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95 // ----------------------------------------------------------------------------- |
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96 // |
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97 void CFileManagerActiveSize::StepL() |
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98 { |
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99 if ( !iDir ) |
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100 { |
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101 iDirScan->NextL( iDir ); |
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102 if( !iDir ) |
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103 { |
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104 iProcessDone = ETrue; |
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105 return; |
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106 } |
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107 } |
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108 |
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109 TInt processCount( KFileManagerProcessFilesPerCycle ); |
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110 while( iFileCounter < iDir->Count() && processCount ) |
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111 { |
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112 const TEntry& item( ( *iDir )[ iFileCounter ] ); |
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113 iSize += item.FileSize(); |
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114 ++iFileCounter; |
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115 --processCount; |
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116 } |
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117 |
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118 if ( iFileCounter >= iDir->Count() ) |
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119 { |
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120 delete iDir; |
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121 iDir = NULL; |
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122 iFileCounter = 0; |
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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 // CFileManagerActiveSize::GetFolderSize() |
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128 // |
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129 // ----------------------------------------------------------------------------- |
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130 // |
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131 TInt64 CFileManagerActiveSize::GetFolderSize() const |
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132 { |
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133 if( iProcessDone ) |
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134 { |
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135 return iSize; |
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136 } |
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137 return KErrNotFound; |
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138 } |
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139 |
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140 // End of File |