|
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 // INCLUDE FILES |
|
20 #include "CFilemanagerActiveCount.h" |
|
21 |
|
22 // CONSTANTS |
|
23 const TInt KFileManagerProcessFilesPerCycle = 20; |
|
24 |
|
25 // ============================ MEMBER FUNCTIONS =============================== |
|
26 |
|
27 // ----------------------------------------------------------------------------- |
|
28 // CFileManagerActiveCount::CFileManagerActiveCount |
|
29 // C++ default constructor can NOT contain any code, that |
|
30 // might leave. |
|
31 // ----------------------------------------------------------------------------- |
|
32 // |
|
33 CFileManagerActiveCount::CFileManagerActiveCount( RFs& aFs ) : |
|
34 iFs( aFs ), |
|
35 iFolders( KErrNotFound ), |
|
36 iFiles( KErrNotFound), |
|
37 iOpenFiles( KErrNotFound ) |
|
38 { |
|
39 } |
|
40 |
|
41 // ----------------------------------------------------------------------------- |
|
42 // CFileManagerActiveCount::NewL |
|
43 // Two-phased constructor. |
|
44 // ----------------------------------------------------------------------------- |
|
45 // |
|
46 CFileManagerActiveCount* CFileManagerActiveCount::NewL( |
|
47 RFs& aFs, |
|
48 const TDesC& aRootFolder, |
|
49 const CFileManagerItemProperties::TFileManagerFileType aType |
|
50 ) |
|
51 { |
|
52 CFileManagerActiveCount* self = new( ELeave ) CFileManagerActiveCount( |
|
53 aFs ); |
|
54 CleanupStack::PushL( self ); |
|
55 self->ConstructL( aRootFolder, aType ); |
|
56 CleanupStack::Pop( self ); |
|
57 return self; |
|
58 } |
|
59 |
|
60 // ----------------------------------------------------------------------------- |
|
61 // CFileManagerActiveCount::ConstructL |
|
62 // |
|
63 // ----------------------------------------------------------------------------- |
|
64 // |
|
65 void CFileManagerActiveCount::ConstructL( |
|
66 const TDesC& aRootFolder, |
|
67 const CFileManagerItemProperties::TFileManagerFileType aType ) |
|
68 { |
|
69 |
|
70 iDirScan = CDirScan::NewL( iFs ); |
|
71 |
|
72 if ( aType == CFileManagerItemProperties::EFolder ) |
|
73 { |
|
74 // Set scanning from current directory, take only folders |
|
75 // No sorting needed |
|
76 iDirScan->SetScanDataL( |
|
77 aRootFolder, |
|
78 KEntryAttDir | KEntryAttMatchExclusive, |
|
79 ESortNone ); |
|
80 } |
|
81 else if ( aType == CFileManagerItemProperties::EFile || |
|
82 aType == CFileManagerItemProperties::EOpen || |
|
83 aType == CFileManagerItemProperties::EReadOnly ) |
|
84 { |
|
85 // Set scanning from current directory, take only file |
|
86 // No sorting needed |
|
87 iDirScan->SetScanDataL( |
|
88 aRootFolder, |
|
89 KEntryAttNormal | KEntryAttHidden | KEntryAttSystem, |
|
90 ESortNone ); |
|
91 } |
|
92 else |
|
93 { |
|
94 // Set scanning from current directory, |
|
95 // take file and folders except hidden and system files |
|
96 // No sorting needed |
|
97 iDirScan->SetScanDataL( aRootFolder, KEntryAttDir, ESortNone ); |
|
98 } |
|
99 |
|
100 TRAPD( err, iDirScan->NextL( iDir ) ); |
|
101 |
|
102 if ( err == KErrNone && iDir ) |
|
103 { |
|
104 if ( aType == CFileManagerItemProperties::EOpen || |
|
105 aType == CFileManagerItemProperties::EReadOnly ) |
|
106 { |
|
107 iFiles = iDir->Count(); |
|
108 iOpenFiles = 0; |
|
109 } |
|
110 else if ( aType == CFileManagerItemProperties::EFolder ) |
|
111 { |
|
112 iFolders = iDir->Count(); |
|
113 delete iDir; |
|
114 iDir = NULL; |
|
115 iProcessDone = ETrue; |
|
116 } |
|
117 else if ( aType == CFileManagerItemProperties::EFile ) |
|
118 { |
|
119 iFiles = iDir->Count(); |
|
120 delete iDir; |
|
121 iDir = NULL; |
|
122 iProcessDone = ETrue; |
|
123 } |
|
124 } |
|
125 |
|
126 } |
|
127 |
|
128 // ----------------------------------------------------------------------------- |
|
129 // CFileManagerActiveCount::~CFileManagerActiveCount |
|
130 // Destructor |
|
131 // ----------------------------------------------------------------------------- |
|
132 // |
|
133 CFileManagerActiveCount::~CFileManagerActiveCount() |
|
134 { |
|
135 delete iDirScan; |
|
136 delete iDir; |
|
137 } |
|
138 |
|
139 // ----------------------------------------------------------------------------- |
|
140 // CFileManagerActiveCount::IsProcessDone |
|
141 // |
|
142 // ----------------------------------------------------------------------------- |
|
143 // |
|
144 TBool CFileManagerActiveCount::IsProcessDone() const |
|
145 { |
|
146 return iProcessDone; |
|
147 } |
|
148 |
|
149 // ----------------------------------------------------------------------------- |
|
150 // CFileManagerActiveCount::StepL |
|
151 // |
|
152 // ----------------------------------------------------------------------------- |
|
153 // |
|
154 void CFileManagerActiveCount::StepL() |
|
155 { |
|
156 if( !iDir ) |
|
157 { |
|
158 iProcessDone = ETrue; |
|
159 return; |
|
160 } |
|
161 |
|
162 TInt processCount( KFileManagerProcessFilesPerCycle ); |
|
163 while( iFileCounter < iDir->Count() && processCount ) |
|
164 { |
|
165 const TEntry& entry( ( *iDir )[ iFileCounter ] ); |
|
166 iFileName.Copy( iDirScan->FullPath() ); |
|
167 iFileName.Append( entry.iName ); |
|
168 TBool fileIsOpen( EFalse ); |
|
169 if ( KErrNone == iFs.IsFileOpen( iFileName, fileIsOpen ) ) |
|
170 { |
|
171 if ( fileIsOpen ) |
|
172 { |
|
173 ++iOpenFiles; |
|
174 } |
|
175 } |
|
176 ++iFileCounter; |
|
177 --processCount; |
|
178 } |
|
179 |
|
180 if ( iFileCounter >= iDir->Count() ) |
|
181 { |
|
182 delete iDir; |
|
183 iDir = NULL; |
|
184 iDirScan->NextL( iDir ); |
|
185 if ( !iDir ) |
|
186 { |
|
187 iProcessDone = ETrue; |
|
188 } |
|
189 iFileCounter = 0; |
|
190 } |
|
191 |
|
192 } |
|
193 |
|
194 // ----------------------------------------------------------------------------- |
|
195 // CFileManagerActiveCount::FolderCount() |
|
196 // |
|
197 // ----------------------------------------------------------------------------- |
|
198 // |
|
199 TInt CFileManagerActiveCount::FolderCount() const |
|
200 { |
|
201 if ( iProcessDone ) |
|
202 { |
|
203 return iFolders; |
|
204 } |
|
205 return KErrNotFound; |
|
206 } |
|
207 |
|
208 // ----------------------------------------------------------------------------- |
|
209 // CFileManagerActiveCount::FileCount() |
|
210 // |
|
211 // ----------------------------------------------------------------------------- |
|
212 // |
|
213 TInt CFileManagerActiveCount::FileCount() const |
|
214 { |
|
215 if ( iProcessDone ) |
|
216 { |
|
217 return iFiles; |
|
218 } |
|
219 return KErrNotFound; |
|
220 } |
|
221 |
|
222 // ----------------------------------------------------------------------------- |
|
223 // CFileManagerActiveCount::OpenFiles() |
|
224 // |
|
225 // ----------------------------------------------------------------------------- |
|
226 // |
|
227 TInt CFileManagerActiveCount::OpenFiles() const |
|
228 { |
|
229 if ( iProcessDone ) |
|
230 { |
|
231 return iOpenFiles; |
|
232 } |
|
233 return KErrNotFound; |
|
234 } |
|
235 |
|
236 // End of File |