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
|
/*
* QtDownload.cpp
*
*
* Copyright 2013 Scott Wilson.
*
* This file is part of SuperCollider.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "Common.h"
#include "QtDownload.h"
#include "QcWidgetFactory.h"
#include <QCoreApplication>
#include <QUrl>
#include <QNetworkRequest>
#include <QFile>
#include <QDebug>
QC_DECLARE_QOBJECT_FACTORY(QtDownload);
QtDownload::QtDownload() : QObject(0), started(false) {
}
QtDownload::~QtDownload() {
}
void QtDownload::setSource(const QString &t) {
m_target = t;
}
void QtDownload::setDestination(const QString &l) {
m_local = l;
}
void QtDownload::downloadFinished() {
if (m_reply->error() == QNetworkReply::NoError) { // only write if no error
QFile localFile(this->m_local);
if (!localFile.open(QIODevice::WriteOnly))
return;
const QByteArray sdata = m_reply->readAll();
localFile.write(sdata);
qDebug() << sdata;
localFile.close();
// call action
Q_EMIT( doFinished() );
}
m_reply->deleteLater();
m_manager->deleteLater();
}
void QtDownload::download() {
if(!started) {
started = true;
m_manager = new QNetworkAccessManager(this);
QUrl url = QUrl::fromEncoded(this->m_target.toLocal8Bit());
QNetworkRequest request;
request.setUrl(url);
m_reply = m_manager->get(request);
QObject::connect(m_reply, SIGNAL(downloadProgress(qint64,qint64)), this, SLOT(downloadProgress(qint64,qint64)));
QObject::connect(m_reply, SIGNAL(error(QNetworkReply::NetworkError)), this, SLOT(replyError(QNetworkReply::NetworkError)));
bool fin = QObject::connect(m_reply, SIGNAL(finished()),this, SLOT(downloadFinished()));
if (!fin) {
qWarning("Download could not connect");
}
}
}
void QtDownload::cancel() {
if(m_reply) {
m_reply->disconnect();
m_reply->abort();
}
}
void QtDownload::replyError(QNetworkReply::NetworkError errorCode)
{
qWarning() << m_reply->errorString();
// call action
Q_EMIT( doError() );
}
void QtDownload::downloadProgress(qint64 received, qint64 total) {
qDebug() << received << total;
// call action
Q_EMIT( doProgress(static_cast<int>(received), static_cast<int>(total)) );
}
|
