VirtualBox

source: vbox/trunk/src/VBox/Frontends/VirtualBox/src/networking/UIDownloader.cpp@ 103977

Last change on this file since 103977 was 103710, checked in by vboxsync, 9 months ago

FE/Qt: Get rid of unwanted UICommon includes across whole the GUI.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 4.7 KB
Line 
1/* $Id: UIDownloader.cpp 103710 2024-03-06 16:53:27Z vboxsync $ */
2/** @file
3 * VBox Qt GUI - UIDownloader class implementation.
4 */
5
6/*
7 * Copyright (C) 2006-2023 Oracle and/or its affiliates.
8 *
9 * This file is part of VirtualBox base platform packages, as
10 * available from https://www.virtualbox.org.
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation, in version 3 of the
15 * License.
16 *
17 * This program is distributed in the hope that it will be useful, but
18 * WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, see <https://www.gnu.org/licenses>.
24 *
25 * SPDX-License-Identifier: GPL-3.0-only
26 */
27
28/* GUI includes: */
29#include "VBoxUtils.h"
30#include "UIDownloader.h"
31#include "UIMessageCenter.h"
32#include "UINetworkReply.h"
33
34
35UIDownloader::UIDownloader()
36 : m_state(UIDownloaderState_Null)
37{
38 /* Connect async listeners for our own commands: */
39 connect(this, &UIDownloader::sigToStartAcknowledging, this, &UIDownloader::sltStartAcknowledging, Qt::QueuedConnection);
40 connect(this, &UIDownloader::sigToStartDownloading, this, &UIDownloader::sltStartDownloading, Qt::QueuedConnection);
41 connect(this, &UIDownloader::sigToStartVerifying, this, &UIDownloader::sltStartVerifying, Qt::QueuedConnection);
42}
43
44void UIDownloader::sltStartAcknowledging()
45{
46 /* Set state to acknowledging: */
47 m_state = UIDownloaderState_Acknowledging;
48
49 /* Send HEAD requests: */
50 createNetworkRequest(UINetworkRequestType_HEAD, m_sources);
51}
52
53void UIDownloader::sltStartDownloading()
54{
55 /* Set state to downloading: */
56 m_state = UIDownloaderState_Downloading;
57
58 /* Send GET request: */
59 createNetworkRequest(UINetworkRequestType_GET, QList<QUrl>() << m_source, m_strTarget);
60}
61
62void UIDownloader::sltStartVerifying()
63{
64 /* Set state to verifying: */
65 m_state = UIDownloaderState_Verifying;
66
67 /* Send GET request: */
68 createNetworkRequest(UINetworkRequestType_GET, QList<QUrl>() << m_strPathSHA256SumsFile);
69}
70
71QString UIDownloader::description() const
72{
73 /* Look for known state: */
74 switch (m_state)
75 {
76 case UIDownloaderState_Acknowledging: return tr("Looking for %1...");
77 case UIDownloaderState_Downloading: return tr("Downloading %1...");
78 case UIDownloaderState_Verifying: return tr("Verifying %1...");
79 default: break;
80 }
81 /* Return null-string by default: */
82 return QString();
83}
84
85void UIDownloader::processNetworkReplyProgress(qint64 iReceived, qint64 iTotal)
86{
87 /* Notify listeners: */
88 emit sigProgressChange((double)iReceived / iTotal * 100);
89}
90
91void UIDownloader::processNetworkReplyFailed(const QString &strError)
92{
93 /* Notify listeners: */
94 emit sigProgressFailed(strError);
95}
96
97void UIDownloader::processNetworkReplyCanceled(UINetworkReply *)
98{
99 /* Notify listeners: */
100 emit sigProgressCanceled();
101}
102
103void UIDownloader::processNetworkReplyFinished(UINetworkReply *pNetworkReply)
104{
105 /* Process reply: */
106 switch (m_state)
107 {
108 case UIDownloaderState_Acknowledging:
109 {
110 handleAcknowledgingResult(pNetworkReply);
111 break;
112 }
113 case UIDownloaderState_Downloading:
114 {
115 handleDownloadingResult(pNetworkReply);
116 break;
117 }
118 case UIDownloaderState_Verifying:
119 {
120 handleVerifyingResult(pNetworkReply);
121 break;
122 }
123 default:
124 break;
125 }
126}
127
128void UIDownloader::handleAcknowledgingResult(UINetworkReply *pNetworkReply)
129{
130 /* Get the final source: */
131 m_source = pNetworkReply->url();
132
133 /* Ask for downloading: */
134 if (askForDownloadingConfirmation(pNetworkReply))
135 {
136 /* Start downloading: */
137 startDelayedDownloading();
138 }
139 else
140 {
141 /* Notify listeners: */
142 emit sigProgressFinished();
143 }
144}
145
146void UIDownloader::handleDownloadingResult(UINetworkReply *pNetworkReply)
147{
148 /* Handle downloaded object: */
149 handleDownloadedObject(pNetworkReply);
150
151 /* Check whether we should do verification: */
152 if (!m_strPathSHA256SumsFile.isEmpty())
153 {
154 /* Start verifying: */
155 startDelayedVerifying();
156 }
157 else
158 {
159 /* Notify listeners: */
160 emit sigProgressFinished();
161 }
162}
163
164void UIDownloader::handleVerifyingResult(UINetworkReply *pNetworkReply)
165{
166 /* Handle verified object: */
167 handleVerifiedObject(pNetworkReply);
168
169 /* Notify listeners: */
170 emit sigProgressFinished();
171}
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