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/*
* Copyright (C) 2015 Canonical, Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 3.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "ShellApplication.h"
// Qt
#include <QLibrary>
#include <QProcess>
#include <QScreen>
#include <libintl.h>
// libandroid-properties
#include <hybris/properties/properties.h>
// local
#include <paths.h>
#include "CachingNetworkManagerFactory.h"
#include "UnityCommandLineParser.h"
#include "DebuggingController.h"
ShellApplication::ShellApplication(int & argc, char ** argv, bool isMirServer)
: QGuiApplication(argc, argv)
{
setApplicationName(QStringLiteral("unity8"));
setOrganizationName(QStringLiteral("Canonical"));
connect(this, &QGuiApplication::screenAdded, this, &ShellApplication::onScreenAdded);
setupQmlEngine(isMirServer);
UnityCommandLineParser parser(*this);
if (!parser.deviceName().isEmpty()) {
m_deviceName = parser.deviceName();
} else {
char buffer[200];
property_get("ro.product.device", buffer /* value */, "desktop" /* default_value*/);
m_deviceName = QString(buffer);
}
m_qmlArgs.setDeviceName(m_deviceName);
m_qmlArgs.setMode(parser.mode());
// The testability driver is only loaded by QApplication but not by QGuiApplication.
// However, QApplication depends on QWidget which would add some unneeded overhead => Let's load the testability driver on our own.
if (parser.hasTestability() || getenv("QT_LOAD_TESTABILITY")) {
QLibrary testLib(QStringLiteral("qttestability"));
if (testLib.load()) {
typedef void (*TasInitialize)(void);
TasInitialize initFunction = (TasInitialize)testLib.resolve("qt_testability_init");
if (initFunction) {
initFunction();
} else {
qCritical("Library qttestability resolve failed!");
}
} else {
qCritical("Library qttestability load failed!");
}
}
bindtextdomain("unity8", translationDirectory().toUtf8().data());
textdomain("unity8");
m_shellView = new ShellView(m_qmlEngine, &m_qmlArgs);
if (parser.windowGeometry().isValid()) {
m_shellView->setWidth(parser.windowGeometry().width());
m_shellView->setHeight(parser.windowGeometry().height());
}
if (parser.hasFrameless()) {
m_shellView->setFlags(Qt::FramelessWindowHint);
}
#ifdef UNITY8_ENABLE_TOUCH_EMULATION
// You will need this if you want to interact with touch-only components using a mouse
// Needed only when manually testing on a desktop.
if (parser.hasMouseToTouch()) {
m_mouseTouchAdaptor = MouseTouchAdaptor::instance();
}
#endif
new DebuggingController(this);
// Some hard-coded policy for now.
// NB: We don't support more than two screens at the moment
//
// TODO: Support an arbitrary number of screens and different policies
// (eg cloned desktop, several desktops, etc)
if (isMirServer && screens().count() == 2) {
m_shellView->setScreen(screens().at(1));
m_qmlArgs.setDeviceName(QStringLiteral("desktop"));
m_secondaryWindow = new SecondaryWindow(m_qmlEngine);
m_secondaryWindow->setScreen(screens().at(0));
// QWindow::showFullScreen() also calls QWindow::requestActivate() and we don't want that!
m_secondaryWindow->setWindowState(Qt::WindowFullScreen);
m_secondaryWindow->setVisible(true);
}
if (parser.mode().compare("greeter") == 0) {
QSize primaryScreenSize = this->primaryScreen()->size();
m_shellView->setHeight(primaryScreenSize.height());
m_shellView->setWidth(primaryScreenSize.width());
m_shellView->show();
m_shellView->requestActivate();
if (!QProcess::startDetached("initctl emit --no-wait unity8-greeter-started")) {
qDebug() << "Unable to send unity8-greeter-started event to Upstart";
}
} else if (isMirServer || parser.hasFullscreen()) {
m_shellView->showFullScreen();
} else {
m_shellView->show();
}
}
ShellApplication::~ShellApplication()
{
destroyResources();
}
void ShellApplication::destroyResources()
{
// Deletion order is important. Don't use QScopedPointers and the like
// Otherwise the process will hang on shutdown (bug somewhere I guess).
delete m_shellView;
m_shellView = nullptr;
delete m_secondaryWindow;
m_secondaryWindow = nullptr;
#ifdef UNITY8_ENABLE_TOUCH_EMULATION
delete m_mouseTouchAdaptor;
m_mouseTouchAdaptor = nullptr;
#endif
delete m_qmlEngine;
m_qmlEngine = nullptr;
}
void ShellApplication::setupQmlEngine(bool isMirServer)
{
m_qmlEngine = new QQmlEngine(this);
m_qmlEngine->setBaseUrl(QUrl::fromLocalFile(::qmlDirectory()));
prependImportPaths(m_qmlEngine, ::overrideImportPaths());
if (!isMirServer) {
prependImportPaths(m_qmlEngine, ::nonMirImportPaths());
}
appendImportPaths(m_qmlEngine, ::fallbackImportPaths());
m_qmlEngine->setNetworkAccessManagerFactory(new CachingNetworkManagerFactory);
QObject::connect(m_qmlEngine, &QQmlEngine::quit, this, &QGuiApplication::quit);
}
void ShellApplication::onScreenAdded(QScreen * /*screen*/)
{
// TODO: Support an arbitrary number of screens and different policies
// (eg cloned desktop, several desktops, etc)
if (screens().count() == 2) {
m_shellView->setScreen(screens().at(1));
m_qmlArgs.setDeviceName(QStringLiteral("desktop"));
// Changing the QScreen where a QWindow is drawn makes it also lose focus (besides having
// its backing QPlatformWindow recreated). So lets refocus it.
m_shellView->requestActivate();
// QWindow::destroy() is called when it changes between screens. We have to manually make it visible again
// <dandrader> This bug is supposedly fixed in Qt 5.5.1, although I can still reproduce it there. :-/
m_shellView->setVisible(true);
m_secondaryWindow = new SecondaryWindow(m_qmlEngine);
m_secondaryWindow->setScreen(screens().at(0));
// QWindow::showFullScreen() also calls QWindow::requestActivate() and we don't want that!
m_secondaryWindow->setWindowState(Qt::WindowFullScreen);
m_secondaryWindow->setVisible(true);
}
}
void ShellApplication::onScreenAboutToBeRemoved(QScreen *screen)
{
// TODO: Support an arbitrary number of screens and different policies
// (eg cloned desktop, several desktops, etc)
if (screen == m_shellView->screen()) {
const QList<QScreen *> allScreens = screens();
Q_ASSERT(allScreens.count() > 1);
Q_ASSERT(allScreens.at(0) != screen);
Q_ASSERT(m_secondaryWindow);
delete m_secondaryWindow;
m_secondaryWindow = nullptr;
m_shellView->setScreen(allScreens.first());
m_qmlArgs.setDeviceName(m_deviceName);
// Changing the QScreen where a QWindow is drawn makes it also lose focus (besides having
// its backing QPlatformWindow recreated). So lets refocus it.
m_shellView->requestActivate();
// QWindow::destroy() is called when it changes between screens. We have to manually make it visible again
// <dandrader> This bug is supposedly fixed in Qt 5.5.1, although I can still reproduce it there. :-/
m_shellView->setVisible(true);
}
}
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