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
|
//=============================================================================
// MuseScore
// Music Composition & Notation
//
// Copyright (C) 2002-2013 Werner Schweer
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2
// as published by the Free Software Foundation and appearing in
// the file LICENCE.GPL
//=============================================================================
#include "downloadUtils.h"
namespace Ms {
DownloadUtils::DownloadUtils(QWidget *parent)
: QObject(parent)
{
}
bool DownloadUtils::saveFile()
{
QFile localFile(_localFile);
if (!localFile.open(QIODevice::WriteOnly))
{
qDebug() << "can't access";
return false;
}
qDebug() << "here writing to file " << _localFile;
localFile.write(sdata);
localFile.close();
return true;
}
void DownloadUtils::downloadFinished(QNetworkReply *data)
{
sdata = data->readAll();
emit done();
}
QByteArray DownloadUtils::returnData()
{
return sdata;
}
void DownloadUtils::download(bool showProgress)
{
QUrl url = QUrl::fromEncoded(_target.toLocal8Bit());
QNetworkRequest request(url);
QEventLoop loop;
QNetworkReply* reply = manager.get(request);
QObject::connect(reply, SIGNAL(downloadProgress(qint64,qint64)), this, SLOT(downloadProgress(qint64,qint64)));
QObject::connect(&manager, SIGNAL(finished(QNetworkReply*)), this, SLOT(downloadFinished(QNetworkReply*)));
QObject::connect(reply, SIGNAL(finished()), &loop, SLOT(quit()));
if (showProgress) {
progressDialog = new QProgressDialog(static_cast<QWidget*>(parent()));
progressDialog->setWindowFlags(Qt::WindowFlags(Qt::Dialog | Qt::FramelessWindowHint | Qt::WindowTitleHint));
progressDialog->setWindowModality(Qt::ApplicationModal);
progressDialog->setCancelButtonText(tr("Cancel"));
progressDialog->setLabelText(tr("Downloading…"));
progressDialog->setAutoClose(true);
progressDialog->setAutoReset(true);
QObject::connect(progressDialog, SIGNAL(canceled()), &loop, SLOT(quit()));
progressDialog->show();
}
loop.exec();
QObject::disconnect(reply, SIGNAL(downloadProgress(qint64,qint64)), this, SLOT(downloadProgress(qint64,qint64)));
QObject::disconnect(&manager, SIGNAL(finished(QNetworkReply*)), this, SLOT(downloadFinished(QNetworkReply*)));
QObject::disconnect(reply, SIGNAL(finished()), &loop, SLOT(quit()));
}
void DownloadUtils::downloadProgress(qint64 received, qint64 total)
{
double curVal = (double(received)/total)*100;
if (progressDialog && progressDialog->isVisible())
progressDialog->setValue(curVal);
}
}
|
