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 <QProcess>
22#include <QScreen>
24#include <libintl.h>
26// libandroid-properties
27#include <hybris/properties/properties.h>
29// local
30#include <paths.h>
31#include "CachingNetworkManagerFactory.h"
32#include "UnityCommandLineParser.h"
34ShellApplication::ShellApplication(int & argc, char ** argv, bool isMirServer)
35 : QGuiApplication(argc, argv)
38 setApplicationName(QStringLiteral("unity8"));
40 connect(this, &QGuiApplication::screenAdded, this, &ShellApplication::onScreenAdded);
42 setupQmlEngine(isMirServer);
44 UnityCommandLineParser parser(*this);
46 if (!parser.deviceName().isEmpty()) {
47 m_deviceName = parser.deviceName();
48 } else {
49 char buffer[200];
50 property_get("ro.product.device", buffer /* value */, "desktop" /* default_value*/);
51 m_deviceName = QString(buffer);
52 }
53 m_qmlArgs.setDeviceName(m_deviceName);
55 m_qmlArgs.setMode(parser.mode());
57 // The testability driver is only loaded by QApplication but not by QGuiApplication.
58 // However, QApplication depends on QWidget which would add some unneeded overhead => Let's load the testability driver on our own.
59 if (parser.hasTestability() || getenv("QT_LOAD_TESTABILITY")) {
60 QLibrary testLib(QStringLiteral("qttestability"));
61 if (testLib.load()) {
62 typedef void (*TasInitialize)(void);
63 TasInitialize initFunction = (TasInitialize)testLib.resolve("qt_testability_init");
64 if (initFunction) {
65 initFunction();
66 } else {
67 qCritical("Library qttestability resolve failed!");
68 }
69 } else {
70 qCritical("Library qttestability load failed!");
71 }
72 }
74 bindtextdomain("unity8", translationDirectory().toUtf8().data());
75 textdomain("unity8");
77 m_shellView = new ShellView(m_qmlEngine, &m_qmlArgs);
79 if (parser.windowGeometry().isValid()) {
80 m_shellView->setWidth(parser.windowGeometry().width());
81 m_shellView->setHeight(parser.windowGeometry().height());
82 }
84 if (parser.hasFrameless()) {
85 m_shellView->setFlags(Qt::FramelessWindowHint);
86 }
89 #ifdef UNITY8_ENABLE_TOUCH_EMULATION
90 // You will need this if you want to interact with touch-only components using a mouse
91 // Needed only when manually testing on a desktop.
92 if (parser.hasMouseToTouch()) {
93 m_mouseTouchAdaptor = MouseTouchAdaptor::instance();
94 }
95 #endif
98 // Some hard-coded policy for now.
99 // NB: We don't support more than two screens at the moment
100 //
101 // TODO: Support an arbitrary number of screens and different policies
102 // (eg cloned desktop, several desktops, etc)
103 if (isMirServer && screens().count() == 2) {
104 m_shellView->setScreen(screens().at(1));
105 m_qmlArgs.setDeviceName(QStringLiteral("desktop"));
107 m_secondaryWindow = new SecondaryWindow(m_qmlEngine);
108 m_secondaryWindow->setScreen(screens().at(0));
109 // QWindow::showFullScreen() also calls QWindow::requestActivate() and we don't want that!
110 m_secondaryWindow->setWindowState(Qt::WindowFullScreen);
111 m_secondaryWindow->setVisible(true);
112 }
114 if (parser.mode().compare("greeter") == 0) {
115 QSize primaryScreenSize = this->primaryScreen()->size();
116 m_shellView->setHeight(primaryScreenSize.height());
117 m_shellView->setWidth(primaryScreenSize.width());
118 m_shellView->show();
119 m_shellView->requestActivate();
120 if (!QProcess::startDetached("initctl emit --no-wait unity8-greeter-started")) {
121 qDebug() << "Unable to send unity8-greeter-started event to Upstart";
122 }
123 } else if (isMirServer || parser.hasFullscreen()) {
124 m_shellView->showFullScreen();
125 } else {
126 m_shellView->show();
127 }
130ShellApplication::~ShellApplication()
132 destroyResources();
135void ShellApplication::destroyResources()
137 // Deletion order is important. Don't use QScopedPointers and the like
138 // Otherwise the process will hang on shutdown (bug somewhere I guess).
139 delete m_shellView;
140 m_shellView = nullptr;
142 delete m_secondaryWindow;
143 m_secondaryWindow = nullptr;
145 #ifdef UNITY8_ENABLE_TOUCH_EMULATION
146 delete m_mouseTouchAdaptor;
147 m_mouseTouchAdaptor = nullptr;
148 #endif
150 delete m_qmlEngine;
151 m_qmlEngine = nullptr;
154void ShellApplication::setupQmlEngine(bool isMirServer)
156 m_qmlEngine = new QQmlEngine(this);
158 m_qmlEngine->setBaseUrl(QUrl::fromLocalFile(::qmlDirectory()));
160 prependImportPaths(m_qmlEngine, ::overrideImportPaths());
161 if (!isMirServer) {
162 prependImportPaths(m_qmlEngine, ::nonMirImportPaths());
163 }
164 appendImportPaths(m_qmlEngine, ::fallbackImportPaths());
166 m_qmlEngine->setNetworkAccessManagerFactory(new CachingNetworkManagerFactory);
168 QObject::connect(m_qmlEngine, &QQmlEngine::quit, this, &QGuiApplication::quit);
171void ShellApplication::onScreenAdded(QScreen * /*screen*/)
173 // TODO: Support an arbitrary number of screens and different policies
174 // (eg cloned desktop, several desktops, etc)
175 if (screens().count() == 2) {
176 m_shellView->setScreen(screens().at(1));
177 m_qmlArgs.setDeviceName(QStringLiteral("desktop"));
178 // Changing the QScreen where a QWindow is drawn makes it also lose focus (besides having
179 // its backing QPlatformWindow recreated). So lets refocus it.
180 m_shellView->requestActivate();
181 // QWindow::destroy() is called when it changes between screens. We have to manually make it visible again
182 // <dandrader> This bug is supposedly fixed in Qt 5.5.1, although I can still reproduce it there. :-/
183 m_shellView->setVisible(true);
185 m_secondaryWindow = new SecondaryWindow(m_qmlEngine);
186 m_secondaryWindow->setScreen(screens().at(0));
188 // QWindow::showFullScreen() also calls QWindow::requestActivate() and we don't want that!
189 m_secondaryWindow->setWindowState(Qt::WindowFullScreen);
190 m_secondaryWindow->setVisible(true);
191 }
194void ShellApplication::onScreenAboutToBeRemoved(QScreen *screen)
196 // TODO: Support an arbitrary number of screens and different policies
197 // (eg cloned desktop, several desktops, etc)
198 if (screen == m_shellView->screen()) {
199 const QList<QScreen *> allScreens = screens();
200 Q_ASSERT(allScreens.count() > 1);
201 Q_ASSERT(allScreens.at(0) != screen);
202 Q_ASSERT(m_secondaryWindow);
203 delete m_secondaryWindow;
204 m_secondaryWindow = nullptr;
205 m_shellView->setScreen(allScreens.first());
206 m_qmlArgs.setDeviceName(m_deviceName);
207 // Changing the QScreen where a QWindow is drawn makes it also lose focus (besides having
208 // its backing QPlatformWindow recreated). So lets refocus it.
209 m_shellView->requestActivate();
210 // QWindow::destroy() is called when it changes between screens. We have to manually make it visible again
211 // <dandrader> This bug is supposedly fixed in Qt 5.5.1, although I can still reproduce it there. :-/
212 m_shellView->setVisible(true);
213 }