git.iko.soy/unity8
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unity8/src/ShellApplication.cpp
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1/*
2 * Copyright (C) 2015 Canonical, Ltd.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 3.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 */
17#include "ShellApplication.h"
19// Qt
20#include <QLibrary>
21#include <QScreen>
23#include <libintl.h>
25// libandroid-properties
26#include <hybris/properties/properties.h>
28// local
29#include <paths.h>
30#include "CachingNetworkManagerFactory.h"
31#include "UnityCommandLineParser.h"
33ShellApplication::ShellApplication(int & argc, char ** argv, bool isMirServer)
34 : QGuiApplication(argc, argv)
37 setApplicationName(QStringLiteral("unity8"));
39 connect(this, &QGuiApplication::screenAdded, this, &ShellApplication::onScreenAdded);
41 setupQmlEngine(isMirServer);
43 UnityCommandLineParser parser(*this);
45 if (!parser.deviceName().isEmpty()) {
46 m_deviceName = parser.deviceName();
47 } else {
48 char buffer[200];
49 property_get("ro.product.device", buffer /* value */, "desktop" /* default_value*/);
50 m_deviceName = QString(buffer);
51 }
52 m_qmlArgs.setDeviceName(m_deviceName);
54 m_qmlArgs.setMode(parser.mode());
56 // The testability driver is only loaded by QApplication but not by QGuiApplication.
57 // However, QApplication depends on QWidget which would add some unneeded overhead => Let's load the testability driver on our own.
58 if (parser.hasTestability() || getenv("QT_LOAD_TESTABILITY")) {
59 QLibrary testLib(QStringLiteral("qttestability"));
60 if (testLib.load()) {
61 typedef void (*TasInitialize)(void);
62 TasInitialize initFunction = (TasInitialize)testLib.resolve("qt_testability_init");
63 if (initFunction) {
64 initFunction();
65 } else {
66 qCritical("Library qttestability resolve failed!");
67 }
68 } else {
69 qCritical("Library qttestability load failed!");
70 }
71 }
73 bindtextdomain("unity8", translationDirectory().toUtf8().data());
74 textdomain("unity8");
76 m_shellView = new ShellView(m_qmlEngine, &m_qmlArgs);
78 if (parser.windowGeometry().isValid()) {
79 m_shellView->setWidth(parser.windowGeometry().width());
80 m_shellView->setHeight(parser.windowGeometry().height());
81 }
83 if (parser.hasFrameless()) {
84 m_shellView->setFlags(Qt::FramelessWindowHint);
85 }
88 #ifdef UNITY8_ENABLE_TOUCH_EMULATION
89 // You will need this if you want to interact with touch-only components using a mouse
90 // Needed only when manually testing on a desktop.
91 if (parser.hasMouseToTouch()) {
92 m_mouseTouchAdaptor = MouseTouchAdaptor::instance();
93 }
94 #endif
97 // Some hard-coded policy for now.
98 // NB: We don't support more than two screens at the moment
99 //
100 // TODO: Support an arbitrary number of screens and different policies
101 // (eg cloned desktop, several desktops, etc)
102 if (isMirServer && screens().count() == 2) {
103 m_shellView->setScreen(screens().at(1));
104 m_qmlArgs.setDeviceName(QStringLiteral("desktop"));
106 m_secondaryWindow = new SecondaryWindow(m_qmlEngine);
107 m_secondaryWindow->setScreen(screens().at(0));
108 // QWindow::showFullScreen() also calls QWindow::requestActivate() and we don't want that!
109 m_secondaryWindow->setWindowState(Qt::WindowFullScreen);
110 m_secondaryWindow->setVisible(true);
111 }
113 if (isMirServer || parser.hasFullscreen()) {
114 m_shellView->showFullScreen();
115 } else {
116 m_shellView->show();
117 }
120ShellApplication::~ShellApplication()
122 destroyResources();
125void ShellApplication::destroyResources()
127 // Deletion order is important. Don't use QScopedPointers and the like
128 // Otherwise the process will hang on shutdown (bug somewhere I guess).
129 delete m_shellView;
130 m_shellView = nullptr;
132 delete m_secondaryWindow;
133 m_secondaryWindow = nullptr;
135 #ifdef UNITY8_ENABLE_TOUCH_EMULATION
136 delete m_mouseTouchAdaptor;
137 m_mouseTouchAdaptor = nullptr;
138 #endif
140 delete m_qmlEngine;
141 m_qmlEngine = nullptr;
144void ShellApplication::setupQmlEngine(bool isMirServer)
146 m_qmlEngine = new QQmlEngine(this);
148 m_qmlEngine->setBaseUrl(QUrl::fromLocalFile(::qmlDirectory()));
150 prependImportPaths(m_qmlEngine, ::overrideImportPaths());
151 if (!isMirServer) {
152 prependImportPaths(m_qmlEngine, ::nonMirImportPaths());
153 }
154 appendImportPaths(m_qmlEngine, ::fallbackImportPaths());
156 m_qmlEngine->setNetworkAccessManagerFactory(new CachingNetworkManagerFactory);
158 QObject::connect(m_qmlEngine, &QQmlEngine::quit, this, &QGuiApplication::quit);
161void ShellApplication::onScreenAdded(QScreen * /*screen*/)
163 // TODO: Support an arbitrary number of screens and different policies
164 // (eg cloned desktop, several desktops, etc)
165 if (screens().count() == 2) {
166 m_shellView->setScreen(screens().at(1));
167 m_qmlArgs.setDeviceName(QStringLiteral("desktop"));
168 // Changing the QScreen where a QWindow is drawn makes it also lose focus (besides having
169 // its backing QPlatformWindow recreated). So lets refocus it.
170 m_shellView->requestActivate();
172 m_secondaryWindow = new SecondaryWindow(m_qmlEngine);
173 m_secondaryWindow->setScreen(screens().at(0));
175 // QWindow::showFullScreen() also calls QWindow::requestActivate() and we don't want that!
176 m_secondaryWindow->setWindowState(Qt::WindowFullScreen);
177 m_secondaryWindow->setVisible(true);
178 }
181void ShellApplication::onScreenAboutToBeRemoved(QScreen *screen)
183 // TODO: Support an arbitrary number of screens and different policies
184 // (eg cloned desktop, several desktops, etc)
185 if (screen == m_shellView->screen()) {
186 const QList<QScreen *> allScreens = screens();
187 Q_ASSERT(allScreens.count() > 1);
188 Q_ASSERT(allScreens.at(0) != screen);
189 Q_ASSERT(m_secondaryWindow);
190 delete m_secondaryWindow;
191 m_secondaryWindow = nullptr;
192 m_shellView->setScreen(allScreens.first());
193 m_qmlArgs.setDeviceName(m_deviceName);
194 // Changing the QScreen where a QWindow is drawn makes it also lose focus (besides having
195 // its backing QPlatformWindow recreated). So lets refocus it.
196 m_shellView->requestActivate();
197 }