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