blob: f1541be64a8036803cc100c5202d4f819c1f6472 (
plain)
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
|
/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "filescanner.h"
#include <QTime>
#include <QFileInfo>
#include <QStringList>
#include <QSet>
#include <QDir>
#include <QCoreApplication>
#include <QImageReader>
#include <QDebug>
FileScanner::FileScanner(QObject *parent)
: QThread(parent), m_stop(0)
{ }
FileScanner::~FileScanner()
{
// nothing to do here
}
void FileScanner::stop()
{
m_stop.ref();
}
void FileScanner::run()
{
scan();
}
void FileScanner::scan()
{
QStringList queue;
queue.append(m_url.path());
QSet<QString> loopProtect;
int count = 0;
while (queue.size() > 0 && !m_stop.load() && count < 300)
{
QString path = queue.takeFirst();
QFileInfo u(path);
if (u.isSymLink())
{
path = u.symLinkTarget();
u = QFileInfo(path);
}
if (u.isDir())
{
if (!loopProtect.contains(path))
{
loopProtect.insert(path);
QDir dir(path);
QStringList entries = dir.entryList();
QStringList::const_iterator it = entries.constBegin();
for ( ; it != entries.constEnd(); ++it)
{
// ignore hidden files, system directories
if ((*it).startsWith("."))
continue;
queue.append(dir.absoluteFilePath(*it));
}
}
}
else
{
if (u.isFile() && u.isReadable())
{
// small optimization: if the file has a suffix, check if that
// is known as an image format before sending to loader
QString ext = u.suffix().toLower();
if (ext.isEmpty() ||
QImageReader::supportedImageFormats().contains(ext.toLocal8Bit()))
{
QUrl url2;
url2.setScheme("file");
url2.setPath(u.absoluteFilePath());
emit imageUrl(url2);
++count;
}
}
}
QCoreApplication::processEvents();
QThread::yieldCurrentThread();
}
}
|
