homescreen/src/main.cpp

   1 /*
   2  * Copyright (C) 2016, 2017 Mentor Graphics Development (Deutschland) GmbH
   3  * Copyright (c) 2017, 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 <QtCore/QUrlQuery>
  21 #include <QtGui/QGuiApplication>
  22 #include <QtQml/QQmlApplicationEngine>
  23 #include <QtQml/QQmlContext>
  24 #include <QtQml/QQmlComponent>
  25 #include <QtQml/qqml.h>
  26 #include <QQuickWindow>
  27 #include <QTimer>
  28
  29 #include <weather.h>
  30 #include <bluetooth.h>
  31 #include "applicationlauncher.h"
  32 #include "statusbarmodel.h"
  33 #include "mastervolume.h"
  34 #include "homescreenhandler.h"
  35 #include "hmi-debug.h"
  36 #include "chromecontroller.h"
  37
  38 #include <qpa/qplatformnativeinterface.h>
  39 #include <wayland-client.h>
  40
  41 #include "wayland-agl-shell-client-protocol.h"
  42 #include "shell.h"
  43
  44 static void
  45 global_add(void *data, struct wl_registry *reg, uint32_t name,
  46            const char *interface, uint32_t)
  47 {
  48         struct agl_shell **shell = static_cast<struct agl_shell **>(data);
  49
  50         if (strcmp(interface, agl_shell_interface.name) == 0) {
  51                 *shell = static_cast<struct agl_shell *>(
  52                         wl_registry_bind(reg, name, &agl_shell_interface, 1)
  53                 );
  54         }
  55 }
  56
  57 static void
  58 global_remove(void *data, struct wl_registry *reg, uint32_t id)
  59 {
  60         /* Don't care */
  61         (void) data;
  62         (void) reg;
  63         (void) id;
  64 }
  65
  66 static const struct wl_registry_listener registry_listener = {
  67         global_add,
  68         global_remove,
  69 };
  70
  71 static struct wl_surface *
  72 getWlSurface(QPlatformNativeInterface *native, QWindow *window)
  73 {
  74         void *surf = native->nativeResourceForWindow("surface", window);
  75         return static_cast<struct ::wl_surface *>(surf);
  76 }
  77
  78 static struct wl_output *
  79 getWlOutput(QPlatformNativeInterface *native, QScreen *screen)
  80 {
  81         void *output = native->nativeResourceForScreen("output", screen);
  82         return static_cast<struct ::wl_output*>(output);
  83 }
  84
  85
  86 static struct agl_shell *
  87 register_agl_shell(QPlatformNativeInterface *native)
  88 {
  89         struct wl_display *wl;
  90         struct wl_registry *registry;
  91         struct agl_shell *shell = nullptr;
  92
  93         wl = static_cast<struct wl_display *>(
  94                         native->nativeResourceForIntegration("display")
  95         );
  96         registry = wl_display_get_registry(wl);
  97
  98         wl_registry_add_listener(registry, &registry_listener, &shell);
  99
 100         /* Roundtrip to get all globals advertised by the compositor */
 101         wl_display_roundtrip(wl);
 102         wl_registry_destroy(registry);
 103
 104         return shell;
 105 }
 106
 107 static struct wl_surface *
 108 create_component(QPlatformNativeInterface *native, QQmlComponent *comp,
 109                  QScreen *screen, QObject **qobj)
 110 {
 111         QObject *obj = comp->create();
 112         obj->setParent(screen);
 113
 114         QWindow *win = qobject_cast<QWindow *>(obj);
 115         *qobj = obj;
 116
 117         return getWlSurface(native, win);
 118 }
 119
 120 static void
 121 load_agl_shell_app(QPlatformNativeInterface *native,
 122                    QQmlApplicationEngine *engine,
 123                    struct agl_shell *agl_shell, QUrl &bindingAddress)
 124 {
 125         struct wl_surface *bg, *top, *bottom;
 126         struct wl_output *output;
 127
 128         QObject *qobj_bg, *qobj_top, *qobj_bottom;
 129
 130         QQmlComponent bg_comp(engine, QUrl("qrc:/background.qml"));
 131         qInfo() << bg_comp.errors();
 132
 133         QQmlComponent top_comp(engine, QUrl("qrc:/toppanel.qml"));
 134         qInfo() << top_comp.errors();
 135
 136         QQmlComponent bot_comp(engine, QUrl("qrc:/bottompanel.qml"));
 137         qInfo() << bot_comp.errors();
 138
 139         QScreen *screen = qApp->screens().first();
 140         if (!screen)
 141                 return;
 142
 143         output = getWlOutput(native, screen);
 144
 145         bg = create_component(native, &bg_comp, screen, &qobj_bg);
 146         top = create_component(native, &top_comp, screen, &qobj_top);
 147         bottom = create_component(native, &bot_comp, screen, &qobj_bottom);
 148
 149         /* engine.rootObjects() works only if we had a load() */
 150         StatusBarModel *statusBar = qobj_top->findChild<StatusBarModel *>("statusBar");
 151         if (statusBar) {
 152                 qDebug() << "got statusBar objectname, doing init()";
 153                 statusBar->init(bindingAddress, engine->rootContext());
 154         }
 155
 156         agl_shell_set_panel(agl_shell, top, output, AGL_SHELL_EDGE_TOP);
 157         agl_shell_set_panel(agl_shell, bottom, output, AGL_SHELL_EDGE_BOTTOM);
 158
 159         agl_shell_set_background(agl_shell, bg, output);
 160
 161         /* Delay the ready signal until after Qt has done all of its own setup
 162          * in a.exec() */
 163         QTimer::singleShot(500, [agl_shell](){
 164                 agl_shell_ready(agl_shell);
 165         });
 166 }
 167
 168
 169 int main(int argc, char *argv[])
 170 {
 171     QGuiApplication a(argc, argv);
 172     QPlatformNativeInterface *native = qApp->platformNativeInterface();
 173     struct agl_shell *agl_shell = nullptr;
 174
 175     QCoreApplication::setOrganizationDomain("LinuxFoundation");
 176     QCoreApplication::setOrganizationName("AutomotiveGradeLinux");
 177     QCoreApplication::setApplicationName("HomeScreen");
 178     QCoreApplication::setApplicationVersion("0.7.0");
 179
 180     QCommandLineParser parser;
 181     parser.addPositionalArgument("port", a.translate("main", "port for binding"));
 182     parser.addPositionalArgument("secret", a.translate("main", "secret for binding"));
 183     parser.addHelpOption();
 184     parser.addVersionOption();
 185     parser.process(a);
 186     QStringList positionalArguments = parser.positionalArguments();
 187
 188     int port = 1700;
 189     QString token = "wm";
 190     QString graphic_role = "homescreen"; // defined in layers.json in Window Manager
 191
 192     if (positionalArguments.length() == 2) {
 193         port = positionalArguments.takeFirst().toInt();
 194         token = positionalArguments.takeFirst();
 195     }
 196
 197     HMI_DEBUG("HomeScreen","port = %d, token = %s", port, token.toStdString().c_str());
 198
 199     agl_shell = register_agl_shell(native);
 200     if (!agl_shell) {
 201             fprintf(stderr, "agl_shell extension is not advertised. "
 202                             "Are you sure that agl-compositor is running?\n");
 203             exit(EXIT_FAILURE);
 204     }
 205
 206     std::shared_ptr<struct agl_shell> shell{agl_shell, agl_shell_destroy};
 207     Shell *aglShell = new Shell(shell, &a);
 208
 209     // import C++ class to QML
 210     // qmlRegisterType<ApplicationLauncher>("HomeScreen", 1, 0, "ApplicationLauncher");
 211     qmlRegisterType<StatusBarModel>("HomeScreen", 1, 0, "StatusBarModel");
 212     qmlRegisterType<MasterVolume>("MasterVolume", 1, 0, "MasterVolume");
 213     qmlRegisterUncreatableType<ChromeController>("SpeechChrome", 1, 0, "SpeechChromeController",
 214                                                  QLatin1String("SpeechChromeController is uncreatable."));
 215
 216     ApplicationLauncher *launcher = new ApplicationLauncher();
 217
 218     HomescreenHandler* homescreenHandler = new HomescreenHandler(aglShell);
 219     homescreenHandler->init(port, token.toStdString().c_str());
 220
 221     QUrl bindingAddress;
 222     bindingAddress.setScheme(QStringLiteral("ws"));
 223     bindingAddress.setHost(QStringLiteral("localhost"));
 224     bindingAddress.setPort(port);
 225     bindingAddress.setPath(QStringLiteral("/api"));
 226
 227     QUrlQuery query;
 228     query.addQueryItem(QStringLiteral("token"), token);
 229     bindingAddress.setQuery(query);
 230
 231     QQmlApplicationEngine engine;
 232     QQmlContext *context = engine.rootContext();
 233     context->setContextProperty("bindingAddress", bindingAddress);
 234
 235     context->setContextProperty("homescreenHandler", homescreenHandler);
 236     context->setContextProperty("launcher", launcher);
 237     context->setContextProperty("weather", new Weather(bindingAddress));
 238     context->setContextProperty("bluetooth", new Bluetooth(bindingAddress, context));
 239     context->setContextProperty("speechChromeController", new ChromeController(bindingAddress, &engine));
 240     // we add it here even if we don't use it
 241     context->setContextProperty("shell", aglShell);
 242
 243     /* instead of loading main.qml we load one-by-one each of the QMLs,
 244      * divided now between several surfaces: panels, background.
 245      */
 246     load_agl_shell_app(native, &engine, agl_shell, bindingAddress);
 247
 248     return a.exec();
 249 }