VirtualBox

source: vbox/trunk/src/VBox/Frontends/VirtualBox/src/globals/UIProgressEventHandler.cpp@ 103977

Last change on this file since 103977 was 103771, checked in by vboxsync, 9 months ago

FE/Qt: UICommon: Switching dependency from UICommon to UIGlobalSession whenever is possible.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 4.0 KB
Line 
1/* $Id: UIProgressEventHandler.cpp 103771 2024-03-11 15:16:04Z vboxsync $ */
2/** @file
3 * VBox Qt GUI - UIProgressEventHandler 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 "UIExtraDataManager.h"
30#include "UIGlobalSession.h"
31#include "UIMainEventListener.h"
32#include "UIProgressEventHandler.h"
33#ifdef VBOX_WS_MAC
34# include "VBoxUtils-darwin.h"
35#endif /* VBOX_WS_MAC */
36
37UIProgressEventHandler::UIProgressEventHandler(QObject *pParent, const CProgress &comProgress)
38 : QObject(pParent)
39 , m_comProgress(comProgress)
40{
41 /* Prepare: */
42 prepare();
43}
44
45UIProgressEventHandler::~UIProgressEventHandler()
46{
47 /* Cleanup: */
48 cleanup();
49}
50
51void UIProgressEventHandler::prepare()
52{
53 /* Prepare: */
54 prepareListener();
55 prepareConnections();
56}
57
58void UIProgressEventHandler::prepareListener()
59{
60 /* Create event listener instance: */
61 m_pQtListener.createObject();
62 m_pQtListener->init(new UIMainEventListener, this);
63 m_comEventListener = CEventListener(m_pQtListener);
64
65 /* Get CProgress event source: */
66 CEventSource comEventSourceProgress = m_comProgress.GetEventSource();
67 Assert(m_comProgress.isOk());
68
69 /* Enumerate all the required event-types: */
70 QVector<KVBoxEventType> eventTypes;
71 eventTypes
72 << KVBoxEventType_OnProgressPercentageChanged
73 << KVBoxEventType_OnProgressTaskCompleted;
74
75 /* Register event listener for CProgress event source: */
76 comEventSourceProgress.RegisterListener(m_comEventListener, eventTypes, FALSE /* active? */);
77 Assert(comEventSourceProgress.isOk());
78
79 /* Register event sources in their listeners as well: */
80 m_pQtListener->getWrapped()->registerSource(comEventSourceProgress,
81 m_comEventListener,
82 QSet<KVBoxEventType>() << KVBoxEventType_OnProgressTaskCompleted);
83}
84
85void UIProgressEventHandler::prepareConnections()
86{
87 /* Create direct (sync) connections for signals of main listener: */
88 connect(m_pQtListener->getWrapped(), &UIMainEventListener::sigListeningFinished,
89 this, &UIProgressEventHandler::sigHandlingFinished,
90 Qt::DirectConnection);
91 connect(m_pQtListener->getWrapped(), &UIMainEventListener::sigProgressPercentageChange,
92 this, &UIProgressEventHandler::sigProgressPercentageChange,
93 Qt::DirectConnection);
94 connect(m_pQtListener->getWrapped(), &UIMainEventListener::sigProgressTaskComplete,
95 this, &UIProgressEventHandler::sigProgressTaskComplete,
96 Qt::DirectConnection);
97}
98
99void UIProgressEventHandler::cleanupConnections()
100{
101 /* Nothing for now. */
102}
103
104void UIProgressEventHandler::cleanupListener()
105{
106 /* Unregister everything: */
107 m_pQtListener->getWrapped()->unregisterSources();
108
109 /* Make sure VBoxSVC is available: */
110 if (!gpGlobalSession->isVBoxSVCAvailable())
111 return;
112
113 /* Get CProgress event source: */
114 CEventSource comEventSourceProgress = m_comProgress.GetEventSource();
115 Assert(m_comProgress.isOk());
116
117 /* Unregister event listener for CProgress event source: */
118 comEventSourceProgress.UnregisterListener(m_comEventListener);
119}
120
121void UIProgressEventHandler::cleanup()
122{
123 /* Cleanup: */
124 cleanupConnections();
125 cleanupListener();
126}
Note: See TracBrowser for help on using the repository browser.

© 2024 Oracle Support Privacy / Do Not Sell My Info Terms of Use Trademark Policy Automated Access Etiquette