1/****************************************************************************
2**
3** Copyright (C) 2016 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the examples of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:BSD$
9** Commercial License Usage
10** Licensees holding valid commercial Qt licenses may use this file in
11** accordance with the commercial license agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and The Qt Company. For licensing terms
14** and conditions see https://www.qt.io/terms-conditions. For further
15** information use the contact form at https://www.qt.io/contact-us.
16**
17** BSD License Usage
18** Alternatively, you may use this file under the terms of the BSD license
19** as follows:
20**
21** "Redistribution and use in source and binary forms, with or without
22** modification, are permitted provided that the following conditions are
23** met:
24** * Redistributions of source code must retain the above copyright
25** notice, this list of conditions and the following disclaimer.
26** * Redistributions in binary form must reproduce the above copyright
27** notice, this list of conditions and the following disclaimer in
28** the documentation and/or other materials provided with the
29** distribution.
30** * Neither the name of The Qt Company Ltd nor the names of its
31** contributors may be used to endorse or promote products derived
32** from this software without specific prior written permission.
33**
34**
35** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
36** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
37** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
38** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
39** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
41** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
42** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
43** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
44** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
45** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
46**
47** $QT_END_LICENSE$
48**
49****************************************************************************/
50
51#ifndef HTTPWINDOW_H
52#define HTTPWINDOW_H
53
54#include <QProgressDialog>
55#include <QNetworkAccessManager>
56#include <QUrl>
57
58#include <memory>
59
60QT_BEGIN_NAMESPACE
61class QFile;
62class QLabel;
63class QLineEdit;
64class QPushButton;
65class QSslError;
66class QAuthenticator;
67class QNetworkReply;
68class QCheckBox;
69
70QT_END_NAMESPACE
71
72class ProgressDialog : public QProgressDialog {
73 Q_OBJECT
74
75public:
76 explicit ProgressDialog(const QUrl &url, QWidget *parent = nullptr);
77 ~ProgressDialog();
78
79public slots:
80 void networkReplyProgress(qint64 bytesRead, qint64 totalBytes);
81};
82
83class HttpWindow : public QDialog
84{
85 Q_OBJECT
86
87public:
88 explicit HttpWindow(QWidget *parent = nullptr);
89 ~HttpWindow();
90
91 void startRequest(const QUrl &requestedUrl);
92
93private slots:
94 void downloadFile();
95 void cancelDownload();
96 void httpFinished();
97 void httpReadyRead();
98 void enableDownloadButton();
99 void slotAuthenticationRequired(QNetworkReply *, QAuthenticator *authenticator);
100#ifndef QT_NO_SSL
101 void sslErrors(QNetworkReply *, const QList<QSslError> &errors);
102#endif
103
104private:
105 std::unique_ptr<QFile> openFileForWrite(const QString &fileName);
106
107 QLabel *statusLabel;
108 QLineEdit *urlLineEdit;
109 QPushButton *downloadButton;
110 QCheckBox *launchCheckBox;
111 QLineEdit *defaultFileLineEdit;
112 QLineEdit *downloadDirectoryLineEdit;
113
114 QUrl url;
115 QNetworkAccessManager qnam;
116 QNetworkReply *reply;
117 std::unique_ptr<QFile> file;
118 bool httpRequestAborted;
119};
120
121#endif
122