|
1 /* |
|
2 * Copyright (c) 2002-2006 Nokia Corporation and/or its subsidiary(-ies). |
|
3 * All rights reserved. |
|
4 * This component and the accompanying materials are made available |
|
5 * under the terms of "Eclipse Public License v1.0"" |
|
6 * which accompanies this distribution, and is available |
|
7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
8 * |
|
9 * Initial Contributors: |
|
10 * Nokia Corporation - initial contribution. |
|
11 * |
|
12 * Contributors: |
|
13 * |
|
14 * Description: Calculates given folder size |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 // INCLUDES |
|
20 #include "Cfilemanageractivesize.h" |
|
21 |
|
22 // CONSTANTS |
|
23 const TInt KFileManagerProcessFilesPerCycle = 20; |
|
24 |
|
25 // ============================ MEMBER FUNCTIONS =============================== |
|
26 |
|
27 // ----------------------------------------------------------------------------- |
|
28 // CFileManagerActiveSize::CFileManagerActiveSize |
|
29 // C++ default constructor can NOT contain any code, that |
|
30 // might leave. |
|
31 // ----------------------------------------------------------------------------- |
|
32 // |
|
33 CFileManagerActiveSize::CFileManagerActiveSize( RFs& aFs ) : |
|
34 iFs( aFs ) |
|
35 { |
|
36 } |
|
37 |
|
38 // ----------------------------------------------------------------------------- |
|
39 // CFileManagerActiveSize::NewL |
|
40 // Two-phased constructor. |
|
41 // ----------------------------------------------------------------------------- |
|
42 // |
|
43 CFileManagerActiveSize* CFileManagerActiveSize::NewL( |
|
44 RFs& aFs, const TDesC& aRootFolder ) |
|
45 { |
|
46 CFileManagerActiveSize* self = new( ELeave ) CFileManagerActiveSize( |
|
47 aFs ); |
|
48 CleanupStack::PushL( self ); |
|
49 self->ConstructL( aRootFolder ); |
|
50 CleanupStack::Pop( self ); |
|
51 return self; |
|
52 } |
|
53 |
|
54 // ----------------------------------------------------------------------------- |
|
55 // CFileManagerActiveSize::ConstructL |
|
56 // |
|
57 // ----------------------------------------------------------------------------- |
|
58 // |
|
59 void CFileManagerActiveSize::ConstructL( const TDesC& aRootFolder ) |
|
60 { |
|
61 iDirScan = CDirScan::NewL( iFs ); |
|
62 // Set scanning from current directory, |
|
63 // take files and folder including the hidden and system files |
|
64 // No sorting needed |
|
65 iDirScan->SetScanDataL( |
|
66 aRootFolder, |
|
67 KEntryAttNormal | KEntryAttHidden | KEntryAttSystem, |
|
68 ESortNone ); |
|
69 } |
|
70 |
|
71 // ----------------------------------------------------------------------------- |
|
72 // CFileManagerActiveSize::~CFileManagerActiveSize |
|
73 // Destructor |
|
74 // ----------------------------------------------------------------------------- |
|
75 // |
|
76 CFileManagerActiveSize::~CFileManagerActiveSize() |
|
77 { |
|
78 delete iDirScan; |
|
79 delete iDir; |
|
80 } |
|
81 |
|
82 // ----------------------------------------------------------------------------- |
|
83 // CFileManagerActiveSize::IsProcessDone |
|
84 // |
|
85 // ----------------------------------------------------------------------------- |
|
86 // |
|
87 TBool CFileManagerActiveSize::IsProcessDone() const |
|
88 { |
|
89 return iProcessDone; |
|
90 } |
|
91 |
|
92 // ----------------------------------------------------------------------------- |
|
93 // CFileManagerActiveSize::StepL |
|
94 // |
|
95 // ----------------------------------------------------------------------------- |
|
96 // |
|
97 void CFileManagerActiveSize::StepL() |
|
98 { |
|
99 if ( !iDir ) |
|
100 { |
|
101 iDirScan->NextL( iDir ); |
|
102 if( !iDir ) |
|
103 { |
|
104 iProcessDone = ETrue; |
|
105 return; |
|
106 } |
|
107 } |
|
108 |
|
109 TInt processCount( KFileManagerProcessFilesPerCycle ); |
|
110 while( iFileCounter < iDir->Count() && processCount ) |
|
111 { |
|
112 const TEntry& item( ( *iDir )[ iFileCounter ] ); |
|
113 iSize += item.iSize; |
|
114 ++iFileCounter; |
|
115 --processCount; |
|
116 } |
|
117 |
|
118 if ( iFileCounter >= iDir->Count() ) |
|
119 { |
|
120 delete iDir; |
|
121 iDir = NULL; |
|
122 iFileCounter = 0; |
|
123 } |
|
124 } |
|
125 |
|
126 // ----------------------------------------------------------------------------- |
|
127 // CFileManagerActiveSize::GetFolderSize() |
|
128 // |
|
129 // ----------------------------------------------------------------------------- |
|
130 // |
|
131 TInt64 CFileManagerActiveSize::GetFolderSize() const |
|
132 { |
|
133 if( iProcessDone ) |
|
134 { |
|
135 return iSize; |
|
136 } |
|
137 return KErrNotFound; |
|
138 } |
|
139 |
|
140 // End of File |