launcher/src/main.cpp

   1 /*
   2  * Copyright (C) 2016, 2017 Mentor Graphics Development (Deutschland) GmbH
   3  * Copyright (c) 2018 TOYOTA MOTOR CORPORATION
   4  *
   5  * Licensed under the Apache License, Version 2.0 (the "License");
   6  * you may not use this file except in compliance with the License.
   7  * You may obtain a copy of the License at
   8  *
   9  *      http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  */
  17
  18 #include <QGuiApplication>
  19 #include <QCommandLineParser>
  20 #include <QtGui/QGuiApplication>
  21 #include <QtQml/QQmlApplicationEngine>
  22 #include <QtQml/QQmlContext>
  23 #include <QtQml/qqml.h>
  24 #include <QQuickWindow>
  25 #include <QThread>
  26
  27 #include <qlibwindowmanager.h>
  28 #include "applicationlauncher.h"
  29 #include "applicationmodel.h"
  30 #include "appinfo.h"
  31 #include "afm_user_daemon_proxy.h"
  32 #include "qlibhomescreen.h"
  33 #include "hmi-debug.h"
  34
  35 // XXX: We want this DBus connection to be shared across the different
  36 // QML objects, is there another way to do this, a nice way, perhaps?
  37 org::AGL::afm::user *afm_user_daemon_proxy;
  38
  39 namespace {
  40
  41 struct Cleanup {
  42     static inline void cleanup(org::AGL::afm::user *p) {
  43         delete p;
  44         afm_user_daemon_proxy = Q_NULLPTR;
  45     }
  46 };
  47
  48 void noOutput(QtMsgType, const QMessageLogContext &, const QString &)
  49 {
  50 }
  51
  52 }
  53
  54 int main(int argc, char *argv[])
  55 {
  56     QString myname = QString("launcher");
  57     QGuiApplication a(argc, argv);
  58
  59     // use launch process
  60     QScopedPointer<org::AGL::afm::user, Cleanup> afm_user_daemon_proxy(new org::AGL::afm::user("org.AGL.afm.user",
  61                                                                                                "/org/AGL/afm/user",
  62                                                                                                QDBusConnection::sessionBus(),
  63                                                                                                0));
  64     ::afm_user_daemon_proxy = afm_user_daemon_proxy.data();
  65
  66     QCoreApplication::setOrganizationDomain("LinuxFoundation");
  67     QCoreApplication::setOrganizationName("AutomotiveGradeLinux");
  68     QCoreApplication::setApplicationName(myname);
  69     QCoreApplication::setApplicationVersion("0.1.0");
  70
  71     QCommandLineParser parser;
  72     parser.addPositionalArgument("port", a.translate("main", "port for binding"));
  73     parser.addPositionalArgument("secret", a.translate("main", "secret for binding"));
  74     parser.addHelpOption();
  75     parser.addVersionOption();
  76     parser.process(a);
  77     QStringList positionalArguments = parser.positionalArguments();
  78
  79     int port = 1700;
  80     QString token = "wm";
  81
  82     if (positionalArguments.length() == 2) {
  83         port = positionalArguments.takeFirst().toInt();
  84         token = positionalArguments.takeFirst();
  85     }
  86
  87     HMI_DEBUG("launcher","port = %d, token = %s", port, token.toStdString().c_str());
  88
  89     // import C++ class to QML
  90     qmlRegisterType<ApplicationModel>("AppModel", 1, 0, "ApplicationModel");
  91
  92     // DBus
  93     qDBusRegisterMetaType<AppInfo>();
  94     qDBusRegisterMetaType<QList<AppInfo> >();
  95
  96     QLibHomeScreen* homescreenHandler = new QLibHomeScreen();
  97     ApplicationLauncher *launcher = new ApplicationLauncher();
  98     QLibWindowmanager* layoutHandler = new QLibWindowmanager();
  99     if(layoutHandler->init(port,token) != 0){
 100         exit(EXIT_FAILURE);
 101     }
 102
 103     AGLScreenInfo screenInfo(layoutHandler->get_scale_factor());
 104
 105     if (layoutHandler->requestSurface(myname) != 0) {
 106         exit(EXIT_FAILURE);
 107     }
 108
 109     layoutHandler->set_event_handler(QLibWindowmanager::Event_SyncDraw, [layoutHandler, myname](json_object *object) {
 110         layoutHandler->endDraw(myname);
 111     });
 112
 113     layoutHandler->set_event_handler(QLibWindowmanager::Event_Visible, [layoutHandler, launcher](json_object *object) {
 114         QString label = QString(json_object_get_string( json_object_object_get(object, "drawing_name") ));
 115         qDebug() << label;
 116         QMetaObject::invokeMethod(launcher, "setCurrent", Qt::QueuedConnection, Q_ARG(QString, label == "HomeScreen" ? "Home" : label));
 117     });
 118
 119     layoutHandler->set_event_handler(QLibWindowmanager::Event_Invisible, [layoutHandler, launcher](json_object *object) {
 120         const char* label = json_object_get_string(     json_object_object_get(object, "drawing_name") );
 121         HMI_DEBUG("launch", "surface %s Event_Invisible", label);
 122     });
 123
 124     homescreenHandler->init(port, token.toStdString().c_str());
 125
 126     homescreenHandler->set_event_handler(QLibHomeScreen::Event_TapShortcut, [layoutHandler, myname](json_object *object){
 127         qDebug("Surface %s got tapShortcut\n", myname);
 128         layoutHandler->activateSurface(myname);
 129     });
 130
 131     QUrl bindingAddress;
 132     bindingAddress.setScheme(QStringLiteral("ws"));
 133     bindingAddress.setHost(QStringLiteral("localhost"));
 134     bindingAddress.setPort(port);
 135     bindingAddress.setPath(QStringLiteral("/api"));
 136
 137     QUrlQuery query;
 138     query.addQueryItem(QStringLiteral("token"), token);
 139     bindingAddress.setQuery(query);
 140
 141     const QByteArray hack_delay = qgetenv("HMI_LAUNCHER_STARTUP_DELAY");
 142     int delay_time = 1;
 143
 144     if (!hack_delay.isEmpty()) {
 145        delay_time = (QString::fromLocal8Bit(hack_delay)).toInt();
 146     }
 147
 148     QThread::sleep(delay_time);
 149     qDebug("Sleep %d sec to resolve race condtion between HomeScreen and Launcher", delay_time);
 150
 151     // mail.qml loading
 152     QQmlApplicationEngine engine;
 153     engine.rootContext()->setContextProperty(QStringLiteral("layoutHandler"), layoutHandler);
 154     engine.rootContext()->setContextProperty(QStringLiteral("homescreenHandler"), homescreenHandler);
 155     engine.rootContext()->setContextProperty(QStringLiteral("launcher"), launcher);
 156     engine.rootContext()->setContextProperty(QStringLiteral("screenInfo"), &screenInfo);
 157     engine.load(QUrl(QStringLiteral("qrc:/Launcher.qml")));
 158
 159     QObject *root = engine.rootObjects().first();
 160     QQuickWindow *window = qobject_cast<QQuickWindow *>(root);
 161     QObject::connect(window, SIGNAL(frameSwapped()), layoutHandler, SLOT(slotActivateSurface()));
 162
 163     return a.exec();
 164 }