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 "chromecontroller.h"
  36
  37 #include <qpa/qplatformnativeinterface.h>
  38 #include <wayland-client.h>
  39
  40 #include "wayland-agl-shell-client-protocol.h"
  41 #include "shell.h"
  42
  43 static void
  44 global_add(void *data, struct wl_registry *reg, uint32_t name,
  45            const char *interface, uint32_t)
  46 {
  47         struct agl_shell **shell = static_cast<struct agl_shell **>(data);
  48
  49         if (strcmp(interface, agl_shell_interface.name) == 0) {
  50                 *shell = static_cast<struct agl_shell *>(
  51                         wl_registry_bind(reg, name, &agl_shell_interface, 1)
  52                 );
  53         }
  54 }
  55
  56 static void
  57 global_remove(void *data, struct wl_registry *reg, uint32_t id)
  58 {
  59         /* Don't care */
  60         (void) data;
  61         (void) reg;
  62         (void) id;
  63 }
  64
  65 static const struct wl_registry_listener registry_listener = {
  66         global_add,
  67         global_remove,
  68 };
  69
  70 static struct wl_surface *
  71 getWlSurface(QPlatformNativeInterface *native, QWindow *window)
  72 {
  73         void *surf = native->nativeResourceForWindow("surface", window);
  74         return static_cast<struct ::wl_surface *>(surf);
  75 }
  76
  77 static struct wl_output *
  78 getWlOutput(QPlatformNativeInterface *native, QScreen *screen)
  79 {
  80         void *output = native->nativeResourceForScreen("output", screen);
  81         return static_cast<struct ::wl_output*>(output);
  82 }
  83
  84
  85 static struct agl_shell *
  86 register_agl_shell(QPlatformNativeInterface *native)
  87 {
  88         struct wl_display *wl;
  89         struct wl_registry *registry;
  90         struct agl_shell *shell = nullptr;
  91
  92         wl = static_cast<struct wl_display *>(
  93                         native->nativeResourceForIntegration("display")
  94         );
  95         registry = wl_display_get_registry(wl);
  96
  97         wl_registry_add_listener(registry, &registry_listener, &shell);
  98
  99         /* Roundtrip to get all globals advertised by the compositor */
 100         wl_display_roundtrip(wl);
 101         wl_registry_destroy(registry);
 102
 103         return shell;
 104 }
 105
 106 static struct wl_surface *
 107 create_component(QPlatformNativeInterface *native, QQmlComponent *comp,
 108                  QScreen *screen, QObject **qobj)
 109 {
 110         QObject *obj = comp->create();
 111         obj->setParent(screen);
 112
 113         QWindow *win = qobject_cast<QWindow *>(obj);
 114         *qobj = obj;
 115
 116         return getWlSurface(native, win);
 117 }
 118
 119 static QScreen *
 120 find_screen(const char *screen_name)
 121 {
 122         QList<QScreen *> screens = qApp->screens();
 123         QScreen *found = nullptr;
 124         QString qstr_name = QString::fromUtf8(screen_name, -1);
 125
 126         for (QScreen *xscreen : screens) {
 127                 if (qstr_name == xscreen->name()) {
 128                         found = xscreen;
 129                         break;
 130                 }
 131         }
 132
 133         return found;
 134 }
 135
 136 static void
 137 load_agl_shell_app(QPlatformNativeInterface *native,
 138                    QQmlApplicationEngine *engine,
 139                    struct agl_shell *agl_shell,
 140                    const char *screen_name, bool is_demo)
 141 {
 142         struct wl_surface *bg, *top, *bottom;
 143         struct wl_output *output;
 144         QObject *qobj_bg, *qobj_top, *qobj_bottom;
 145         QScreen *screen = nullptr;
 146
 147         if (is_demo) {
 148                 QQmlComponent bg_comp(engine, QUrl("qrc:/background_demo.qml"));
 149                 qInfo() << bg_comp.errors();
 150
 151                 QQmlComponent top_comp(engine, QUrl("qrc:/toppanel_demo.qml"));
 152                 qInfo() << top_comp.errors();
 153
 154                 QQmlComponent bot_comp(engine, QUrl("qrc:/bottompanel_demo.qml"));
 155                 qInfo() << bot_comp.errors();
 156
 157                 top = create_component(native, &top_comp, screen, &qobj_top);
 158                 bottom = create_component(native, &bot_comp, screen, &qobj_bottom);
 159                 bg = create_component(native, &bg_comp, screen, &qobj_bg);
 160         } else {
 161                 QQmlComponent bg_comp(engine, QUrl("qrc:/background.qml"));
 162                 qInfo() << bg_comp.errors();
 163
 164                 QQmlComponent top_comp(engine, QUrl("qrc:/toppanel.qml"));
 165                 qInfo() << top_comp.errors();
 166
 167                 QQmlComponent bot_comp(engine, QUrl("qrc:/bottompanel.qml"));
 168                 qInfo() << bot_comp.errors();
 169
 170                 top = create_component(native, &top_comp, screen, &qobj_top);
 171                 bottom = create_component(native, &bot_comp, screen, &qobj_bottom);
 172                 bg = create_component(native, &bg_comp, screen, &qobj_bg);
 173         }
 174
 175         if (!screen_name)
 176                 screen = qApp->primaryScreen();
 177         else
 178                 screen = find_screen(screen_name);
 179
 180         qDebug() << "found primary screen " << qApp->primaryScreen()->name() <<
 181                 "first screen " << qApp->screens().first()->name();
 182         output = getWlOutput(native, screen);
 183
 184
 185         /* engine.rootObjects() works only if we had a load() */
 186         //StatusBarModel *statusBar = qobj_top->findChild<StatusBarModel *>("statusBar");
 187         //if (statusBar) {
 188         //      qDebug() << "got statusBar objectname, doing init()";
 189         //      statusBar->init(bindingAddress, engine->rootContext());
 190         //}
 191
 192         agl_shell_set_panel(agl_shell, top, output, AGL_SHELL_EDGE_TOP);
 193         agl_shell_set_panel(agl_shell, bottom, output, AGL_SHELL_EDGE_BOTTOM);
 194         qDebug() << "Setting homescreen to screen  " << screen->name();
 195
 196         agl_shell_set_background(agl_shell, bg, output);
 197
 198         /* Delay the ready signal until after Qt has done all of its own setup
 199          * in a.exec() */
 200         QTimer::singleShot(500, [agl_shell](){
 201                 agl_shell_ready(agl_shell);
 202         });
 203 }
 204
 205 int main(int argc, char *argv[])
 206 {
 207         // keep this as we're not going not going to have the appfw
 208         setenv("QT_QPA_PLATFORM", "wayland", 1);
 209
 210         QGuiApplication a(argc, argv);
 211         const char *screen_name;
 212         bool is_demo_val = false;
 213
 214         QPlatformNativeInterface *native = qApp->platformNativeInterface();
 215         struct agl_shell *agl_shell = nullptr;
 216         screen_name = getenv("HOMESCREEN_START_SCREEN");
 217
 218         // could be  removed only for CI
 219         const char *is_demo = getenv("HOMESCREEN_DEMO_CI");
 220         if (is_demo && strcmp(is_demo, "1") == 0)
 221                 is_demo_val = true;
 222
 223         QCoreApplication::setOrganizationDomain("LinuxFoundation");
 224         QCoreApplication::setOrganizationName("AutomotiveGradeLinux");
 225         QCoreApplication::setApplicationName("HomeScreen");
 226         QCoreApplication::setApplicationVersion("0.7.0");
 227
 228         // we need to have an app_id
 229         a.setDesktopFileName("homescreen");
 230
 231         agl_shell = register_agl_shell(native);
 232         if (!agl_shell) {
 233                 fprintf(stderr, "agl_shell extension is not advertised. "
 234                                 "Are you sure that agl-compositor is running?\n");
 235                 exit(EXIT_FAILURE);
 236         }
 237
 238         std::shared_ptr<struct agl_shell> shell{agl_shell, agl_shell_destroy};
 239         Shell *aglShell = new Shell(shell, &a);
 240
 241         // import C++ class to QML
 242         //qmlRegisterType<StatusBarModel>("HomeScreen", 1, 0, "StatusBarModel");
 243         //qmlRegisterType<MasterVolume>("MasterVolume", 1, 0, "MasterVolume");
 244         //qmlRegisterUncreatableType<ChromeController>("SpeechChrome", 1, 0, "SpeechChromeController", QLatin1String("SpeechChromeController is uncreatable."));
 245
 246         ApplicationLauncher *launcher = new ApplicationLauncher();
 247         launcher->setCurrent(QStringLiteral("launcher"));
 248         HomescreenHandler* homescreenHandler = new HomescreenHandler(aglShell, launcher);
 249         homescreenHandler->init();
 250
 251         QQmlApplicationEngine engine;
 252         QQmlContext *context = engine.rootContext();
 253
 254         context->setContextProperty("homescreenHandler", homescreenHandler);
 255         context->setContextProperty("launcher", launcher);
 256         //context->setContextProperty("weather", new Weather(bindingAddress));
 257         //context->setContextProperty("bluetooth", new Bluetooth(bindingAddress, context));
 258         //context->setContextProperty("speechChromeController", new ChromeController(bindingAddress, &engine));
 259
 260         // we add it here even if we don't use it
 261         context->setContextProperty("shell", aglShell);
 262
 263         /* instead of loading main.qml we load one-by-one each of the QMLs,
 264          * divided now between several surfaces: panels, background. */
 265         load_agl_shell_app(native, &engine, agl_shell, screen_name, is_demo_val);
 266
 267         return a.exec();
 268 }