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 "homescreenhandler.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 }
  49
  50 int main(int argc, char *argv[])
  51 {
  52     QString myname = QString("launcher");
  53     QGuiApplication a(argc, argv);
  54
  55     // use launch process
  56     QScopedPointer<org::AGL::afm::user, Cleanup> afm_user_daemon_proxy(new org::AGL::afm::user("org.AGL.afm.user",
  57                                                                                                "/org/AGL/afm/user",
  58                                                                                                QDBusConnection::sessionBus(),
  59                                                                                                0));
  60     ::afm_user_daemon_proxy = afm_user_daemon_proxy.data();
  61
  62     QCoreApplication::setOrganizationDomain("LinuxFoundation");
  63     QCoreApplication::setOrganizationName("AutomotiveGradeLinux");
  64     QCoreApplication::setApplicationName(myname);
  65     QCoreApplication::setApplicationVersion("0.1.0");
  66
  67     QCommandLineParser parser;
  68     parser.addPositionalArgument("port", a.translate("main", "port for binding"));
  69     parser.addPositionalArgument("secret", a.translate("main", "secret for binding"));
  70     parser.addHelpOption();
  71     parser.addVersionOption();
  72     parser.process(a);
  73     QStringList positionalArguments = parser.positionalArguments();
  74
  75     int port = 1700;
  76     QString token = "wm";
  77
  78     if (positionalArguments.length() == 2) {
  79         port = positionalArguments.takeFirst().toInt();
  80         token = positionalArguments.takeFirst();
  81     }
  82
  83     HMI_DEBUG("launcher","port = %d, token = %s", port, token.toStdString().c_str());
  84
  85     // import C++ class to QML
  86     qmlRegisterType<ApplicationModel>("AppModel", 1, 0, "ApplicationModel");
  87
  88     // DBus
  89     qDBusRegisterMetaType<AppInfo>();
  90     qDBusRegisterMetaType<QList<AppInfo> >();
  91
  92     ApplicationLauncher *launcher = new ApplicationLauncher();
  93     QLibWindowmanager* layoutHandler = new QLibWindowmanager();
  94     if(layoutHandler->init(port,token) != 0){
  95         exit(EXIT_FAILURE);
  96     }
  97
  98     AGLScreenInfo screenInfo(layoutHandler->get_scale_factor());
  99
 100     if (layoutHandler->requestSurface(myname) != 0) {
 101         exit(EXIT_FAILURE);
 102     }
 103
 104     layoutHandler->set_event_handler(QLibWindowmanager::Event_SyncDraw, [layoutHandler, myname](json_object *object) {
 105         layoutHandler->endDraw(myname);
 106     });
 107
 108     layoutHandler->set_event_handler(QLibWindowmanager::Event_Visible, [layoutHandler, launcher](json_object *object) {
 109         QString label = QString(json_object_get_string( json_object_object_get(object, "drawing_name") ));
 110         qDebug() << label;
 111         QMetaObject::invokeMethod(launcher, "setCurrent", Qt::QueuedConnection, Q_ARG(QString, label == "HomeScreen" ? "Home" : label));
 112     });
 113
 114     layoutHandler->set_event_handler(QLibWindowmanager::Event_Invisible, [layoutHandler, launcher](json_object *object) {
 115         const char* label = json_object_get_string(     json_object_object_get(object, "drawing_name") );
 116         HMI_DEBUG("launch", "surface %s Event_Invisible", label);
 117     });
 118
 119     HomescreenHandler* homescreenHandler = new HomescreenHandler();
 120     homescreenHandler->init(port, token.toStdString().c_str(), layoutHandler, myname);
 121
 122     QUrl bindingAddress;
 123     bindingAddress.setScheme(QStringLiteral("ws"));
 124     bindingAddress.setHost(QStringLiteral("localhost"));
 125     bindingAddress.setPort(port);
 126     bindingAddress.setPath(QStringLiteral("/api"));
 127
 128     QUrlQuery query;
 129     query.addQueryItem(QStringLiteral("token"), token);
 130     bindingAddress.setQuery(query);
 131
 132     const QByteArray hack_delay = qgetenv("HMI_LAUNCHER_STARTUP_DELAY");
 133     int delay_time = 1;
 134
 135     if (!hack_delay.isEmpty()) {
 136        delay_time = (QString::fromLocal8Bit(hack_delay)).toInt();
 137     }
 138
 139     QThread::sleep(delay_time);
 140     qDebug("Sleep %d sec to resolve race condtion between HomeScreen and Launcher", delay_time);
 141
 142     // mail.qml loading
 143     QQmlApplicationEngine engine;
 144     engine.rootContext()->setContextProperty(QStringLiteral("layoutHandler"), layoutHandler);
 145     engine.rootContext()->setContextProperty(QStringLiteral("homescreenHandler"), homescreenHandler);
 146     engine.rootContext()->setContextProperty(QStringLiteral("launcher"), launcher);
 147     engine.rootContext()->setContextProperty(QStringLiteral("screenInfo"), &screenInfo);
 148     engine.load(QUrl(QStringLiteral("qrc:/Launcher.qml")));
 149     homescreenHandler->getRunnables();
 150
 151     QObject *root = engine.rootObjects().first();
 152     QQuickWindow *window = qobject_cast<QQuickWindow *>(root);
 153     QObject::connect(window, SIGNAL(frameSwapped()), layoutHandler, SLOT(slotActivateSurface()));
 154
 155     return a.exec();
 156 }