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
|
/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "downloader.h"
#include <fileutils.h>
#include <QtNetwork/QNetworkProxy>
class ProxyFactory : public KDUpdater::FileDownloaderProxyFactory
{
public:
ProxyFactory() {}
ProxyFactory *clone() const
{
return new ProxyFactory();
}
QList<QNetworkProxy> queryProxy(const QNetworkProxyQuery &query = QNetworkProxyQuery())
{
return QNetworkProxyFactory::systemProxyForQuery(query);
}
};
Downloader::Downloader(const QUrl &source, const QString &target)
: QObject()
, m_source(source)
, m_target(target)
, m_fileDownloader(0)
{
m_fileDownloader = KDUpdater::FileDownloaderFactory::instance().create(m_source.scheme(), this);
if (!m_fileDownloader) {
qWarning() << "No downloader registered for scheme: " << m_source.scheme();
return;
}
m_fileDownloader->setDownloadedFileName(target);
if (m_fileDownloader) {
m_fileDownloader->setUrl(m_source);
m_fileDownloader->setProxyFactory(new ProxyFactory());
connect(m_fileDownloader, SIGNAL(downloadCanceled()), this, SLOT(downloadFinished()));
connect(m_fileDownloader, SIGNAL(downloadCompleted()), this, SLOT(downloadFinished()));
connect(m_fileDownloader, SIGNAL(downloadAborted(QString)), this, SLOT(downloadFinished(QString)));
connect(m_fileDownloader, SIGNAL(downloadSpeed(qint64)), this, SLOT(downloadSpeed(qint64)));
connect(m_fileDownloader, SIGNAL(downloadProgress(qint64, qint64)), this, SLOT(downloadProgress(qint64, qint64)));
m_fileDownloader->setAutoRemoveDownloadedFile(false);
}
}
void Downloader::downloadFinished(const QString &message)
{
if (!message.isEmpty())
qDebug() << "Error:" << message;
progressBar.setStatus(100, 100);
progressBar.update();
printf("\n");
emit finished();
}
void Downloader::downloadSpeed(qint64 speed)
{
progressBar.setMessage(QString::fromLatin1("%1 /sec").arg(QInstaller::humanReadableSize(speed)));
}
void Downloader::downloadProgress(qint64 bytesReceived, qint64 bytesToReceive)
{
if (bytesReceived == 0 || bytesToReceive == 0)
return;
progressBar.setStatus(bytesReceived, bytesToReceive);
progressBar.update();
}
void Downloader::run()
{
m_fileDownloader->download();
}
|