homescreen/src/main.cpp

   1 // SPDX-License-Identifier: Apache-2.0
   2 /*
   3  * Copyright (C) 2016, 2017 Mentor Graphics Development (Deutschland) GmbH
   4  * Copyright (c) 2017, 2018 TOYOTA MOTOR CORPORATION
   5  * Copyright (c) 2022 Konsulko Group
   6  */
   7
   8 #include <QGuiApplication>
   9 #include <QCommandLineParser>
  10 #include <QtCore/QUrlQuery>
  11 #include <QtGui/QGuiApplication>
  12 #include <QtQml/QQmlApplicationEngine>
  13 #include <QtQml/QQmlContext>
  14 #include <QtQml/QQmlComponent>
  15 #include <QtQml/qqml.h>
  16 #include <QQuickWindow>
  17 #include <QTimer>
  18 #include <QThread>
  19
  20 #include <weather.h>
  21 #include <bluetooth.h>
  22
  23 #include "applicationlauncher.h"
  24 #include "statusbarmodel.h"
  25 #include "mastervolume.h"
  26 #include "homescreenhandler.h"
  27 #include "hmi-debug.h"
  28
  29 // meson will define these
  30 #include QT_QPA_HEADER
  31 #include <wayland-client.h>
  32
  33 #include "agl-shell-client-protocol.h"
  34 #include "shell.h"
  35 #include "Worker.h"
  36 #include "AglShellManager.h"
  37
  38 #ifndef MIN
  39 #define MIN(a, b) (((a) < (b)) ? (a) : (b))
  40 #endif
  41
  42 void
  43 WorkerThread::run()
  44 {
  45         // instantiante the grpc server
  46         std::string server_address(kDefaultGrpcServiceAddress);
  47         GrpcServiceImpl service;
  48
  49         grpc::EnableDefaultHealthCheckService(true);
  50         grpc::reflection::InitProtoReflectionServerBuilderPlugin();
  51
  52         grpc::ServerBuilder builder;
  53         builder.AddListeningPort(server_address, grpc::InsecureServerCredentials());
  54         builder.RegisterService(&service);
  55
  56         std::unique_ptr<grpc::Server> server(builder.BuildAndStart());
  57         fprintf(stderr, "Server listening on %s\n", server_address.c_str());
  58
  59         server->Wait();
  60 }
  61
  62 static void
  63 run_grpc_server(void)
  64 {
  65     WorkerThread *workerThread = new WorkerThread();
  66     workerThread->start();
  67 }
  68
  69
  70 struct shell_data {
  71         struct agl_shell *shell;
  72         HomescreenHandler *homescreenHandler;
  73         bool wait_for_bound;
  74         bool bound_ok;
  75         int ver;
  76 };
  77
  78 static void
  79 agl_shell_bound_ok(void *data, struct agl_shell *agl_shell)
  80 {
  81         struct shell_data *shell_data = static_cast<struct shell_data *>(data);
  82         shell_data->wait_for_bound = false;
  83
  84         shell_data->bound_ok = true;
  85 }
  86
  87 static void
  88 agl_shell_bound_fail(void *data, struct agl_shell *agl_shell)
  89 {
  90         struct shell_data *shell_data = static_cast<struct shell_data *>(data);
  91         shell_data->wait_for_bound = false;
  92
  93         shell_data->bound_ok = false;
  94 }
  95
  96 static void
  97 agl_shell_app_state(void *data, struct agl_shell *agl_shell,
  98                 const char *app_id, uint32_t state)
  99 {
 100         struct shell_data *shell_data = static_cast<struct shell_data *>(data);
 101         HomescreenHandler *homescreenHandler = shell_data->homescreenHandler;
 102
 103         if (!homescreenHandler)
 104                 return;
 105
 106         switch (state) {
 107         case AGL_SHELL_APP_STATE_STARTED:
 108                 qDebug() << "Got AGL_SHELL_APP_STATE_STARTED for app_id " << app_id;
 109                 homescreenHandler->processAppStatusEvent(app_id, "started");
 110                 break;
 111         case AGL_SHELL_APP_STATE_TERMINATED:
 112                 qDebug() << "Got AGL_SHELL_APP_STATE_TERMINATED for app_id " << app_id;
 113                 // handled by HomescreenHandler::processAppStatusEvent
 114                 break;
 115         case AGL_SHELL_APP_STATE_ACTIVATED:
 116                 qDebug() << "Got AGL_SHELL_APP_STATE_ACTIVATED for app_id " << app_id;
 117                 homescreenHandler->addAppToStack(app_id);
 118                 break;
 119         default:
 120                 break;
 121         }
 122 }
 123
 124
 125 #ifdef AGL_SHELL_BOUND_OK_SINCE_VERSION
 126 static const struct agl_shell_listener shell_listener = {
 127         agl_shell_bound_ok,
 128         agl_shell_bound_fail,
 129         agl_shell_app_state,
 130 };
 131 #endif
 132
 133 static void
 134 global_add(void *data, struct wl_registry *reg, uint32_t name,
 135            const char *interface, uint32_t ver)
 136 {
 137         struct shell_data *shell_data = static_cast<struct shell_data *>(data);
 138
 139         if (!shell_data)
 140                 return;
 141
 142         if (strcmp(interface, agl_shell_interface.name) == 0) {
 143                 if (ver >= 2) {
 144                         shell_data->shell =
 145                                 static_cast<struct agl_shell *>(
 146                                         wl_registry_bind(reg, name, &agl_shell_interface, MIN(3, ver)));
 147 #ifdef AGL_SHELL_BOUND_OK_SINCE_VERSION
 148                         agl_shell_add_listener(shell_data->shell, &shell_listener, data);
 149 #endif
 150                 } else {
 151                         shell_data->shell =
 152                                 static_cast<struct agl_shell *>(
 153                                         wl_registry_bind(reg, name, &agl_shell_interface, 1));
 154                 }
 155                 shell_data->ver = ver;
 156
 157         }
 158 }
 159
 160 static void
 161 global_remove(void *data, struct wl_registry *reg, uint32_t id)
 162 {
 163         /* Don't care */
 164         (void) data;
 165         (void) reg;
 166         (void) id;
 167 }
 168
 169 static const struct wl_registry_listener registry_listener = {
 170         global_add,
 171         global_remove,
 172 };
 173
 174 static struct wl_surface *
 175 getWlSurface(QPlatformNativeInterface *native, QWindow *window)
 176 {
 177         void *surf = native->nativeResourceForWindow("surface", window);
 178         return static_cast<struct ::wl_surface *>(surf);
 179 }
 180
 181 static struct wl_output *
 182 getWlOutput(QPlatformNativeInterface *native, QScreen *screen)
 183 {
 184         void *output = native->nativeResourceForScreen("output", screen);
 185         return static_cast<struct ::wl_output*>(output);
 186 }
 187
 188 static struct wl_display *
 189 getWlDisplay(QPlatformNativeInterface *native)
 190 {
 191        return static_cast<struct wl_display *>(
 192                native->nativeResourceForIntegration("display")
 193        );
 194 }
 195
 196
 197 static void
 198 register_agl_shell(QPlatformNativeInterface *native, struct shell_data *shell_data)
 199 {
 200         struct wl_display *wl;
 201         struct wl_registry *registry;
 202
 203         wl = getWlDisplay(native);
 204         registry = wl_display_get_registry(wl);
 205
 206         wl_registry_add_listener(registry, &registry_listener, shell_data);
 207
 208         /* Roundtrip to get all globals advertised by the compositor */
 209         wl_display_roundtrip(wl);
 210         wl_registry_destroy(registry);
 211 }
 212
 213 static struct wl_surface *
 214 create_component(QPlatformNativeInterface *native, QQmlComponent *comp,
 215                  QScreen *screen, QObject **qobj)
 216 {
 217         QObject *obj = comp->create();
 218         obj->setParent(screen);
 219
 220         QWindow *win = qobject_cast<QWindow *>(obj);
 221         *qobj = obj;
 222
 223         return getWlSurface(native, win);
 224 }
 225
 226 static QScreen *
 227 find_screen(const char *screen_name)
 228 {
 229         QList<QScreen *> screens = qApp->screens();
 230         QScreen *found = nullptr;
 231         QString qstr_name = QString::fromUtf8(screen_name, -1);
 232
 233         for (QScreen *xscreen : screens) {
 234                 if (qstr_name == xscreen->name()) {
 235                         found = xscreen;
 236                         break;
 237                 }
 238         }
 239
 240         return found;
 241 }
 242
 243 static void
 244 load_agl_shell_app(QPlatformNativeInterface *native,
 245                    QQmlApplicationEngine *engine,
 246                    struct agl_shell *agl_shell,
 247                    const char *screen_name,
 248                     bool is_demo)
 249 {
 250         struct wl_surface *bg, *top, *bottom;
 251         struct wl_output *output;
 252         QObject *qobj_bg, *qobj_top, *qobj_bottom;
 253         QScreen *screen = nullptr;
 254
 255         if (is_demo) {
 256                 QQmlComponent bg_comp(engine, QUrl("qrc:/background_demo.qml"));
 257                 qInfo() << bg_comp.errors();
 258
 259                 QQmlComponent top_comp(engine, QUrl("qrc:/toppanel_demo.qml"));
 260                 qInfo() << top_comp.errors();
 261
 262                 QQmlComponent bot_comp(engine, QUrl("qrc:/bottompanel_demo.qml"));
 263                 qInfo() << bot_comp.errors();
 264
 265                 top = create_component(native, &top_comp, screen, &qobj_top);
 266                 bottom = create_component(native, &bot_comp, screen, &qobj_bottom);
 267                 bg = create_component(native, &bg_comp, screen, &qobj_bg);
 268         } else {
 269                 QQmlComponent bg_comp(engine, QUrl("qrc:/background.qml"));
 270                 qInfo() << bg_comp.errors();
 271
 272                 QQmlComponent top_comp(engine, QUrl("qrc:/toppanel.qml"));
 273                 qInfo() << top_comp.errors();
 274
 275                 QQmlComponent bot_comp(engine, QUrl("qrc:/bottompanel.qml"));
 276                 qInfo() << bot_comp.errors();
 277
 278                 top = create_component(native, &top_comp, screen, &qobj_top);
 279                 bottom = create_component(native, &bot_comp, screen, &qobj_bottom);
 280                 bg = create_component(native, &bg_comp, screen, &qobj_bg);
 281         }
 282
 283         if (!screen_name)
 284                 screen = qApp->primaryScreen();
 285         else
 286                 screen = find_screen(screen_name);
 287
 288         if (!screen) {
 289                 qDebug() << "No outputs present in the system.";
 290                 return;
 291         }
 292
 293         qDebug() << "found primary screen " << qApp->primaryScreen()->name() <<
 294                 "first screen " << qApp->screens().first()->name();
 295         output = getWlOutput(native, screen);
 296
 297         /* engine.rootObjects() works only if we had a load() */
 298         StatusBarModel *statusBar = qobj_top->findChild<StatusBarModel *>("statusBar");
 299         if (statusBar) {
 300                 qDebug() << "got statusBar objectname, doing init()";
 301                 statusBar->init(engine->rootContext());
 302         }
 303
 304         agl_shell_set_panel(agl_shell, top, output, AGL_SHELL_EDGE_TOP);
 305         agl_shell_set_panel(agl_shell, bottom, output, AGL_SHELL_EDGE_BOTTOM);
 306         qDebug() << "Setting homescreen to screen  " << screen->name();
 307
 308         agl_shell_set_background(agl_shell, bg, output);
 309
 310         /* Delay the ready signal until after Qt has done all of its own setup
 311          * in a.exec() */
 312         QTimer::singleShot(500, [agl_shell](){
 313                 agl_shell_ready(agl_shell);
 314         });
 315 }
 316
 317 int main(int argc, char *argv[])
 318 {
 319         setenv("QT_QPA_PLATFORM", "wayland", 1);
 320         setenv("QT_QUICK_CONTROLS_STYLE", "AGL", 1);
 321
 322         QGuiApplication app(argc, argv);
 323         const char *screen_name;
 324         bool is_demo_val = false;
 325         int ret = 0;
 326         struct shell_data shell_data = { nullptr, nullptr, true, false, 0 };
 327
 328         QPlatformNativeInterface *native = qApp->platformNativeInterface();
 329         screen_name = getenv("HOMESCREEN_START_SCREEN");
 330
 331         const char *is_demo = getenv("HOMESCREEN_DEMO_CI");
 332         if (is_demo && strcmp(is_demo, "1") == 0)
 333                 is_demo_val = true;
 334
 335         QCoreApplication::setOrganizationDomain("LinuxFoundation");
 336         QCoreApplication::setOrganizationName("AutomotiveGradeLinux");
 337         QCoreApplication::setApplicationName("HomeScreen");
 338         QCoreApplication::setApplicationVersion("0.7.0");
 339
 340         // we need to have an app_id
 341         app.setDesktopFileName("homescreen");
 342
 343         register_agl_shell(native, &shell_data);
 344         if (!shell_data.shell) {
 345                 fprintf(stderr, "agl_shell extension is not advertised. "
 346                         "Are you sure that agl-compositor is running?\n");
 347                 exit(EXIT_FAILURE);
 348         }
 349
 350         qDebug() << "agl-shell interface is at version " << shell_data.ver;
 351         if (shell_data.ver >= 2) {
 352                 while (ret != -1 && shell_data.wait_for_bound) {
 353                         ret = wl_display_dispatch(getWlDisplay(native));
 354
 355                         if (shell_data.wait_for_bound)
 356                                 continue;
 357                 }
 358
 359                 if (!shell_data.bound_ok) {
 360                         qInfo() << "agl_shell extension already in use by other shell client.";
 361                         exit(EXIT_FAILURE);
 362                 }
 363         }
 364
 365
 366         std::shared_ptr<struct agl_shell> agl_shell{shell_data.shell, agl_shell_destroy};
 367         Shell *aglShell = new Shell(agl_shell, &app);
 368
 369         // Import C++ class to QML
 370         qmlRegisterType<StatusBarModel>("HomeScreen", 1, 0, "StatusBarModel");
 371         qmlRegisterType<MasterVolume>("MasterVolume", 1, 0, "MasterVolume");
 372
 373         ApplicationLauncher *launcher = new ApplicationLauncher();
 374         launcher->setCurrent(QStringLiteral("launcher"));
 375
 376         HomescreenHandler* homescreenHandler = HomescreenHandler::Instance(aglShell, launcher);
 377         shell_data.homescreenHandler = homescreenHandler;
 378
 379         QQmlApplicationEngine engine;
 380         QQmlContext *context = engine.rootContext();
 381
 382         context->setContextProperty("homescreenHandler", homescreenHandler);
 383         context->setContextProperty("launcher", launcher);
 384         context->setContextProperty("weather", new Weather());
 385         context->setContextProperty("bluetooth", new Bluetooth(false, context));
 386
 387         // We add it here even if we don't use it
 388         context->setContextProperty("shell", aglShell);
 389
 390         // Instead of loading main.qml we load one-by-one each of the QMLs,
 391         // divided now between several surfaces: panels, background.
 392         load_agl_shell_app(native, &engine, shell_data.shell, screen_name, is_demo_val);
 393
 394         run_grpc_server();
 395
 396         return app.exec();
 397 }