app/main.cpp

   1 /*
   2  * Copyright (C) 2016 The Qt Company Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #include <QtCore/QDebug>
  18 #include <QtCore/QCommandLineParser>
  19 #include <QtCore/QUrlQuery>
  20 #include <QtGui/QGuiApplication>
  21 #include <QtQml/QQmlApplicationEngine>
  22 #include <QtQml/QQmlContext>
  23 #include <QQuickWindow>
  24 #include <libhomescreen.hpp>
  25 #include <qlibwindowmanager.h>
  26
  27 int main(int argc, char *argv[])
  28 {
  29     QString myname = QString("HVAC");
  30
  31     QGuiApplication app(argc, argv);
  32     app.setApplicationVersion(QStringLiteral("0.1.0"));
  33     app.setOrganizationDomain(QStringLiteral("automotivelinux.org"));
  34     app.setOrganizationName(QStringLiteral("AutomotiveGradeLinux"));
  35
  36     QCommandLineParser parser;
  37     parser.addPositionalArgument("port", app.translate("main", "port for binding"));
  38     parser.addPositionalArgument("secret", app.translate("main", "secret for binding"));
  39     parser.addHelpOption();
  40     parser.addVersionOption();
  41     parser.process(app);
  42     QStringList positionalArguments = parser.positionalArguments();
  43
  44     QQmlApplicationEngine engine;
  45     if (positionalArguments.length() == 2) {
  46         int port = positionalArguments.takeFirst().toInt();
  47         QString secret = positionalArguments.takeFirst();
  48         QUrl bindingAddress;
  49         bindingAddress.setScheme(QStringLiteral("ws"));
  50         bindingAddress.setHost(QStringLiteral("localhost"));
  51         bindingAddress.setPort(port);
  52         bindingAddress.setPath(QStringLiteral("/api"));
  53         QUrlQuery query;
  54         query.addQueryItem(QStringLiteral("token"), secret);
  55         bindingAddress.setQuery(query);
  56         QQmlContext *context = engine.rootContext();
  57         context->setContextProperty(QStringLiteral("bindingAddress"), bindingAddress);
  58
  59         std::string token = secret.toStdString();
  60         LibHomeScreen* hs = new LibHomeScreen();
  61         QLibWindowmanager* qwm = new QLibWindowmanager();
  62
  63         // WindowManager
  64         if(qwm->init(port,secret) != 0){
  65             exit(EXIT_FAILURE);
  66         }
  67         // Request a surface as described in layers.json windowmanager’s file
  68         if (qwm->requestSurface(myname) != 0) {
  69             exit(EXIT_FAILURE);
  70         }
  71         // Create an event callbnewack against an event type. Here a lambda is called when SyncDraw event occurs
  72         qwm->set_event_handler(QLibWindowmanager::Event_SyncDraw, [qwm, myname](json_object *object) {
  73             fprintf(stderr, "Surface got syncDraw!\n");
  74             qwm->endDraw(myname);
  75         });
  76
  77         // HomeScreen
  78         hs->init(port, token.c_str());
  79         // Set the event handler for Event_TapShortcut which will activate the surface for windowmanager
  80         hs->set_event_handler(LibHomeScreen::Event_TapShortcut, [qwm, myname](json_object *object){
  81             json_object *appnameJ = nullptr;
  82             if(json_object_object_get_ex(object, "application_name", &appnameJ))
  83             {
  84                 const char *appname = json_object_get_string(appnameJ);
  85                 if(myname == appname)
  86                 {
  87                     qDebug("Surface %s got tapShortcut\n", appname);
  88                     qwm->activateSurface(myname);
  89                 }
  90             }
  91         });
  92
  93         engine.load(QUrl(QStringLiteral("qrc:/HVAC.qml")));
  94         QObject *root = engine.rootObjects().first();
  95         QQuickWindow *window = qobject_cast<QQuickWindow *>(root);
  96         QObject::connect(window, SIGNAL(frameSwapped()), qwm, SLOT(slotActivateSurface()
  97         ));
  98     }
  99     return app.exec();
 100 }
 101