~mhr3/unity8/fix-1297246

/*

 * Copyright (C) 2012 Canonical, Ltd.

 *

 * Authors:

 *  Gerry Boland <gerry.boland@canonical.com>

 *

 * 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/>.

 */

// Qt

#include <QtQuick/QQuickView>

#include <QtGui/QIcon>

#include <QtGui/QGuiApplication>

#include <QtQml/QQmlEngine>

#include <qpa/qplatformnativeinterface.h>

#include <QLibrary>

#include <libintl.h>

// local

#include "paths.h"

#include "MouseTouchAdaptor.h"

namespace {

/* When you append and import path to the list of import paths it will be the *last*

   place where Qt will search for QML modules.

   The usual QQmlEngine::addImportPath() actually prepends the given path.*/

void appendImportPath(QQmlEngine *engine, const QString &path)

{

    QStringList importPathList = engine->importPathList();

    importPathList.append(path);

    engine->setImportPathList(importPathList);

}

void resolveIconTheme() {

    const char *ubuntuIconTheme = getenv("UBUNTU_ICON_THEME");

    if (ubuntuIconTheme != NULL) {

        QIcon::setThemeName(ubuntuIconTheme);

    }

}

} // namespace {

int main(int argc, char** argv)

{

    /* Workaround Qt platform integration plugin not advertising itself

       as having the following capabilities:

        - QPlatformIntegration::ThreadedOpenGL

        - QPlatformIntegration::BufferQueueingOpenGL

    */

    setenv("QML_FORCE_THREADED_RENDERER", "1", 1);

    setenv("QML_FIXED_ANIMATION_STEP", "1", 1);

    QGuiApplication::setApplicationName("Qml Phone Shell");

    QGuiApplication application(argc, argv);

    resolveIconTheme();

    QStringList args = application.arguments();

    // 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 (args.contains(QLatin1String("-testability"))) {

        QLibrary testLib(QLatin1String("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());

    QQuickView* view = new QQuickView();

    view->setResizeMode(QQuickView::SizeRootObjectToView);

    view->setTitle("Qml Phone Shell");

    view->engine()->setBaseUrl(QUrl::fromLocalFile(shellAppDirectory()));

    if (args.contains(QLatin1String("-frameless"))) {

        view->setFlags(Qt::FramelessWindowHint);

    }

    // You will need this if you want to interact with touch-only components using a mouse

    // Needed only when manually testing on a desktop.

    MouseTouchAdaptor *mouseTouchAdaptor = 0;

    if (args.contains(QLatin1String("-mousetouch"))) {

        mouseTouchAdaptor = new MouseTouchAdaptor;

        mouseTouchAdaptor->setTargetWindow(view);

        application.installNativeEventFilter(mouseTouchAdaptor);

    }

    QPlatformNativeInterface* nativeInterface = QGuiApplication::platformNativeInterface();

    /* Shell is declared as a system session so that it always receives all

       input events.

       FIXME: use the enum value corresponding to SYSTEM_SESSION_TYPE (= 1)

       when it becomes available.

    */

    nativeInterface->setProperty("ubuntuSessionType", 1);

    view->setProperty("role", 2); // INDICATOR_ACTOR_ROLE

    QObject::connect(view->engine(), SIGNAL(quit()), qApp, SLOT(quit()));

    QUrl source("Shell.qml");

    view->engine()->addImportPath(shellAppDirectory());

    view->engine()->addImportPath(shellImportPath());

    appendImportPath(view->engine(), fakePluginsImportPath());

    view->setSource(source);

    view->setColor("transparent");

    if (qgetenv("QT_QPA_PLATFORM") == "ubuntu" || args.contains(QLatin1String("-fullscreen"))) {

        view->showFullScreen();

    } else {

        if (args.contains(QLatin1String("-geometry")) && args.size() > args.indexOf(QLatin1String("-geometry")) + 1) {

            QStringList geometryArg = args.at(args.indexOf(QLatin1String("-geometry")) + 1).split('x');

            if (geometryArg.size() == 2) {

                view->resize(geometryArg.at(0).toInt(), geometryArg.at(1).toInt());

            }

        }

        view->show();

    }

    int result = application.exec();

    delete mouseTouchAdaptor;

    return result;

}