main.cpp

/* GCompris - main.cpp
 *
 * Copyright (C) 2014 Bruno Coudoin <bruno.coudoin@gcompris.net>
 *
 * Authors:
 *   Bruno Coudoin <bruno.coudoin@gcompris.net>
 *
 *   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; either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   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 <QtDebug>
#include <QtGui/QGuiApplication>
#include <QtQuick/QQuickWindow>
#include <QQmlApplicationEngine>
#include <QStandardPaths>
#include <QObject>
#include <QTranslator>
#include <QCommandLineParser>
#include <QCursor>
#include <QPixmap>
#include <QSettings>

#include "ApplicationInfo.h"
#include "ActivityInfoTree.h"
#include "File.h"
#include "DownloadManager.h"

bool loadAndroidTranslation(QTranslator &translator, const QString &locale)
{
    QFile file("assets:/gcompris_" + locale + ".qm");

    file.open(QIODevice::ReadOnly);
    QDataStream in(&file);
    uchar *data = (uchar*)malloc(file.size());

    if(!file.exists())
        qDebug() << "file assets:/" << locale << ".qm exists";

    in.readRawData((char*)data, file.size());

    if(!translator.load(data, file.size())) {
        qDebug() << "Unable to load translation for locale " <<
                    locale << ", use en_US by default";
        free(data);
        return false;
    }
    // Do not free data, it is still needed by translator
    return true;
}

// Return the locale
QString loadTranslation(QSettings &config, QTranslator &translator)
{
    QString locale;
    // Get locale
    if(config.contains("General/locale")) {
        locale = config.value("General/locale").toString();
    } else {
        locale = GC_DEFAULT_LOCALE;
    }
    if(locale == GC_DEFAULT_LOCALE)
        locale = QString(QLocale::system().name() + ".UTF-8");

    if(locale == "C.UTF-8")
        locale = "en_US.UTF-8";

    // Load translation
    // Remove .UTF8
    locale.remove(".UTF-8");

#if defined(Q_OS_ANDROID)
    if(!loadAndroidTranslation(translator, locale))
        loadAndroidTranslation(translator, ApplicationInfo::localeShort(locale));
#else

    if(!translator.load("gcompris_" + locale, QString("%1/%2/translations").arg(QCoreApplication::applicationDirPath(), GCOMPRIS_DATA_FOLDER))) {
        qDebug() << "Unable to load translation for locale " <<
                    locale << ", use en_US by default";
    }
#endif
    return locale;
}

int main(int argc, char *argv[])
{
    QGuiApplication app(argc, argv);
    app.setOrganizationName("KDE");
    app.setApplicationName(GCOMPRIS_APPLICATION_NAME);
    app.setOrganizationDomain("kde.org");
    app.setApplicationVersion(ApplicationInfo::GCVersion());

    // Local scope for config
    QSettings config(QStandardPaths::writableLocation(QStandardPaths::GenericConfigLocation) +
                     "/gcompris/" + GCOMPRIS_APPLICATION_NAME + ".conf",
                     QSettings::IniFormat);

    // Load translations
    QTranslator translator;
    QString locale = loadTranslation(config, translator);
    // Apply translation
    app.installTranslator(&translator);

    QCommandLineParser parser;
    parser.setApplicationDescription("GCompris is an educational software for children 2 to 10");
    parser.addHelpOption();
    parser.addVersionOption();
    QCommandLineOption exportActivitiesAsSQL("export-activities-as-sql", "Export activities as SQL");
    parser.addOption(exportActivitiesAsSQL);
    QCommandLineOption clDefaultCursor(QStringList() << "c" << "cursor",
                                       QObject::tr("Run GCompris with the default system cursor."));
    parser.addOption(clDefaultCursor);
    QCommandLineOption clNoCursor(QStringList() << "C" << "nocursor",
                                       QObject::tr("Run GCompris without cursor (touch screen mode)."));
    parser.addOption(clNoCursor);
    QCommandLineOption clFullscreen(QStringList() << "f" << "fullscreen",
                                       QObject::tr("Run GCompris in fullscreen mode."));
    parser.addOption(clFullscreen);
    QCommandLineOption clWindow(QStringList() << "w" << "window",
                                       QObject::tr("Run GCompris in window mode."));
    parser.addOption(clWindow);
    QCommandLineOption clSound(QStringList() << "s" << "sound",
                                       QObject::tr("Run GCompris with sound enabled."));
    parser.addOption(clSound);
    QCommandLineOption clMute(QStringList() << "m" << "mute",
                                       QObject::tr("Run GCompris without sound."));
    parser.addOption(clMute);
    QCommandLineOption clWithoutConfig(QStringList() << "disable-config",
                                       QObject::tr("Disable the configuration button."));
    parser.addOption(clWithoutConfig);
    QCommandLineOption clWithConfig(QStringList() << "enable-config",
                                       QObject::tr("Enable the configuration button (default)."));
    parser.addOption(clWithConfig);
    parser.process(app);


    ApplicationInfo::init();
    ActivityInfoTree::init();
    ApplicationSettings::init();
    File::init();
    DownloadManager::init();

    // Tell media players to stop playing, it's GCompris time
    ApplicationInfo::getInstance()->requestAudioFocus();

    // Must be done after ApplicationSettings is constructed because we get an
    // async callback from the payment system
    ApplicationSettings::getInstance()->checkPayment();

    // Getting fullscreen mode from config if exist, else true is default value
    bool isFullscreen = true;
    {

        if(config.contains("General/fullscreen")) {
            isFullscreen = config.value("General/fullscreen").toBool();
        }

        // Set the cursor image
        bool defaultCursor = false;
        if(config.contains("General/defaultCursor")) {
            defaultCursor = config.value("General/defaultCursor").toBool();
        }
        if(!defaultCursor && !parser.isSet(clDefaultCursor))
            QGuiApplication::setOverrideCursor(
                        QCursor(QPixmap(":/gcompris/src/core/resource/cursor.svg"),
                                0, 0));

        // Hide the cursor
        bool noCursor = false;
        if(config.contains("General/noCursor")) {
            noCursor = config.value("General/noCursor").toBool();
        }
        if(noCursor || parser.isSet(clNoCursor))
            QGuiApplication::setOverrideCursor(QCursor(Qt::BlankCursor));
    }

    // Update execution counter
    ApplicationSettings::getInstance()->setExeCount(ApplicationSettings::getInstance()->exeCount() + 1);

    // Register voices-resources for current locale, updates/downloads only if
    // not prohibited by the settings
    if(!DownloadManager::getInstance()->areVoicesRegistered())
        DownloadManager::getInstance()->updateResource(DownloadManager::getInstance()
            ->getVoicesResourceForLocale(locale));

    if(parser.isSet(clFullscreen)) {
        isFullscreen = true;
    }
    if(parser.isSet(clWindow)) {
        isFullscreen = false;
    }
    if(parser.isSet(clMute)) {
        ApplicationSettings::getInstance()->setIsAudioEffectsEnabled(false);
        ApplicationSettings::getInstance()->setIsAudioVoicesEnabled(false);
    }
    if(parser.isSet(clSound)) {
        ApplicationSettings::getInstance()->setIsAudioEffectsEnabled(true);
        ApplicationSettings::getInstance()->setIsAudioVoicesEnabled(true);
    }
    if(parser.isSet(clWithConfig)) {
        ApplicationSettings::getInstance()->setKioskMode(false);
    }
    if(parser.isSet(clWithoutConfig)) {
        ApplicationSettings::getInstance()->setKioskMode(true);
    }

    QQmlApplicationEngine engine(QUrl("qrc:/gcompris/src/core/main.qml"));
    QObject::connect(&engine, SIGNAL(quit()), DownloadManager::getInstance(),
            SLOT(shutdown()));

    if(parser.isSet(exportActivitiesAsSQL)) {
        ActivityInfoTree *menuTree(qobject_cast<ActivityInfoTree*>(ActivityInfoTree::menuTreeProvider(&engine, NULL)));
        menuTree->exportAsSQL();
        exit(0);
    }

    QObject *topLevel = engine.rootObjects().value(0);

    QQuickWindow *window = qobject_cast<QQuickWindow *>(topLevel);
    if (!window) {
        qWarning("Error: Your root item has to be a Window.");
        return -1;
    }

    ApplicationInfo::setWindow(window);

    window->setIcon(QIcon(QPixmap(QString::fromUtf8(":/gcompris/src/core/resource/gcompris-icon.png"))));

    if(isFullscreen) {
        window->showFullScreen();
    }
    else {
        window->show();
    }

    return app.exec();

}