1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
|
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.1, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QFILEINFOGATHERER_H
#define QFILEINFOGATHERER_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <qthread.h>
#include <qmutex.h>
#include <qwaitcondition.h>
#include <qfilesystemwatcher.h>
#include <qfileiconprovider.h>
#include <qfsfileengine.h>
#include <qpair.h>
#include <qdatetime.h>
#include <qstack.h>
#include <qdir.h>
QT_BEGIN_NAMESPACE
class QExtendedInformation {
public:
enum Type { Dir, File, System };
QExtendedInformation() {}
QExtendedInformation(const QFileInfo &info) : mFileInfo(info) {}
inline bool isDir() { return type() == Dir; }
inline bool isFile() { return type() == File; }
inline bool isSystem() { return type() == System; }
bool operator ==(const QExtendedInformation &fileInfo) const {
return mFileInfo == fileInfo.mFileInfo
&& displayType == fileInfo.displayType
&& permissions() == fileInfo.permissions();
}
bool isCaseSensitive() const {
QFSFileEngine fe(mFileInfo.absoluteFilePath());
return fe.caseSensitive();
}
QFile::Permissions permissions() const {
return mPermissions;
}
void setPermissions (QFile::Permissions permissions) {
mPermissions = permissions;
}
Type type() const {
if (mFileInfo.isDir()) {
return QExtendedInformation::Dir;
}
if (mFileInfo.isFile()) {
return QExtendedInformation::File;
}
if (!mFileInfo.exists() && mFileInfo.isSymLink()) {
return QExtendedInformation::System;
}
return QExtendedInformation::System;
}
bool isSymLink() const {
return mFileInfo.isSymLink();
}
bool isHidden() const {
return mFileInfo.isHidden();
}
QFileInfo fileInfo() const {
return mFileInfo;
}
QDateTime lastModified() const {
return mFileInfo.lastModified();
}
qint64 size() const {
qint64 size = -1;
if (type() == QExtendedInformation::Dir)
size = 0;
if (type() == QExtendedInformation::File)
size = mFileInfo.size();
if (!mFileInfo.exists() && !mFileInfo.isSymLink())
size = -1;
return size;
}
QString displayType;
QIcon icon;
private :
QFileInfo mFileInfo;
QFile::Permissions mPermissions;
};
class QFileIconProvider;
#ifndef QT_NO_FILESYSTEMMODEL
class Q_AUTOTEST_EXPORT QFileInfoGatherer : public QThread
{
Q_OBJECT
Q_SIGNALS:
void updates(const QString &directory, const QList<QPair<QString, QFileInfo> > &updates);
void newListOfFiles(const QString &directory, const QStringList &listOfFiles) const;
void nameResolved(const QString &fileName, const QString &resolvedName) const;
public:
QFileInfoGatherer(QObject *parent = 0);
~QFileInfoGatherer();
void clear();
void removePath(const QString &path);
QExtendedInformation getInfo(const QFileInfo &info) const;
public Q_SLOTS:
void list(const QString &directoryPath);
void fetchExtendedInformation(const QString &path, const QStringList &files);
void updateFile(const QString &path);
void setResolveSymlinks(bool enable);
bool resolveSymlinks() const;
void setIconProvider(QFileIconProvider *provider);
QFileIconProvider *iconProvider() const;
protected:
void run();
void getFileInfos(const QString &path, const QStringList &files);
private:
void fetch(const QFileInfo &info, QTime &base, bool &firstTime, QList<QPair<QString, QFileInfo> > &updatedFiles, const QString &path);
QString translateDriveName(const QFileInfo &drive) const;
QFile::Permissions translatePermissions(const QFileInfo &fileInfo) const;
QMutex mutex;
QWaitCondition condition;
volatile bool abort;
QStack<QString> path;
QStack<QStringList> files;
#ifndef QT_NO_FILESYSTEMWATCHER
QFileSystemWatcher *watcher;
#endif
bool m_resolveSymlinks;
QFileIconProvider *m_iconProvider;
QFileIconProvider defaultProvider;
#ifndef Q_OS_WIN
uint userId;
uint groupId;
#endif
public :
//for testing purpose
static bool fetchedRoot;
};
#endif // QT_NO_FILESYSTEMMODEL
QT_END_NAMESPACE
#endif // QFILEINFOGATHERER_H
|
