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 QScreen *
  40 find_screen(const char *screen_name)
  41 {
  42         QList<QScreen *> screens = qApp->screens();
  43         QScreen *found = nullptr;
  44         QString qstr_name = QString::fromUtf8(screen_name, -1);
  45
  46         for (QScreen *xscreen : screens) {
  47                 if (qstr_name == xscreen->name()) {
  48                         found = xscreen;
  49                         break;
  50                 }
  51         }
  52
  53         return found;
  54 }
  55
  56 struct shell_data {
  57         struct agl_shell *shell;
  58         HomescreenHandler *homescreenHandler;
  59         bool wait_for_bound;
  60         bool bound_ok;
  61         int ver;
  62 };
  63
  64 static void
  65 agl_shell_bound_ok(void *data, struct agl_shell *agl_shell)
  66 {
  67         struct shell_data *shell_data = static_cast<struct shell_data *>(data);
  68         shell_data->wait_for_bound = false;
  69
  70         shell_data->bound_ok = true;
  71 }
  72
  73 static void
  74 agl_shell_bound_fail(void *data, struct agl_shell *agl_shell)
  75 {
  76         struct shell_data *shell_data = static_cast<struct shell_data *>(data);
  77         shell_data->wait_for_bound = false;
  78
  79         shell_data->bound_ok = false;
  80 }
  81
  82 static void
  83 agl_shell_app_state(void *data, struct agl_shell *agl_shell,
  84                 const char *app_id, uint32_t state)
  85 {
  86         struct shell_data *shell_data = static_cast<struct shell_data *>(data);
  87         HomescreenHandler *homescreenHandler = shell_data->homescreenHandler;
  88
  89         if (!homescreenHandler)
  90                 return;
  91
  92         switch (state) {
  93         case AGL_SHELL_APP_STATE_STARTED:
  94                 qDebug() << "Got AGL_SHELL_APP_STATE_STARTED for app_id " << app_id;
  95                 homescreenHandler->processAppStatusEvent(app_id, "started");
  96                 break;
  97         case AGL_SHELL_APP_STATE_TERMINATED:
  98                 qDebug() << "Got AGL_SHELL_APP_STATE_TERMINATED for app_id " << app_id;
  99                 // handled by HomescreenHandler::processAppStatusEvent
 100                 break;
 101         case AGL_SHELL_APP_STATE_ACTIVATED:
 102                 qDebug() << "Got AGL_SHELL_APP_STATE_ACTIVATED for app_id " << app_id;
 103                 homescreenHandler->addAppToStack(app_id);
 104                 break;
 105         case AGL_SHELL_APP_STATE_DEACTIVATED:
 106                 qDebug() << "Got AGL_SHELL_APP_STATE_DEACTIVATED for app_id " << app_id;
 107                 homescreenHandler->processAppStatusEvent(app_id, "deactivated");
 108                 break;
 109         default:
 110                 break;
 111         }
 112 }
 113
 114 static void
 115 agl_shell_app_on_output(void *data, struct agl_shell *agl_shell,
 116                 const char *app_id, const char *output_name)
 117 {
 118         struct shell_data *shell_data = static_cast<struct shell_data *>(data);
 119         HomescreenHandler *homescreenHandler = shell_data->homescreenHandler;
 120
 121         if (!homescreenHandler)
 122                 return;
 123
 124         // a couple of use-cases, if there is no app_id in the app_list then it
 125         // means this is a request to map the application, from the start to a
 126         // different output that the default one. We'd get an
 127         // AGL_SHELL_APP_STATE_STARTED which will handle activation.
 128         //
 129         // if there's an app_id then it means we might have gotten an event to
 130         // move the application to another output; so we'd need to process it
 131         // by explicitly calling processAppStatusEvent() which would ultimately
 132         // activate the application on other output. We'd have to pick-up the
 133         // last activated window and activate the default output.
 134         //
 135         // finally if the outputs are identical probably that's an user-error -
 136         // but the compositor won't activate it again, so we don't handle that.
 137         std::pair new_pending_app = std::pair(QString(app_id),
 138                                               QString(output_name));
 139         homescreenHandler->pending_app_list.push_back(new_pending_app);
 140
 141         if (homescreenHandler->apps_stack.contains(QString(app_id))) {
 142                 qDebug() << "Gove event to move " << app_id <<
 143                         " to another output " << output_name;
 144                 homescreenHandler->processAppStatusEvent(app_id, "started");
 145         }
 146 }
 147
 148
 149 #ifdef AGL_SHELL_BOUND_OK_SINCE_VERSION
 150 static const struct agl_shell_listener shell_listener = {
 151         agl_shell_bound_ok,
 152         agl_shell_bound_fail,
 153         agl_shell_app_state,
 154         agl_shell_app_on_output,
 155 };
 156 #endif
 157
 158 static void
 159 global_add(void *data, struct wl_registry *reg, uint32_t name,
 160            const char *interface, uint32_t ver)
 161 {
 162         struct shell_data *shell_data = static_cast<struct shell_data *>(data);
 163
 164         if (!shell_data)
 165                 return;
 166
 167         if (strcmp(interface, agl_shell_interface.name) == 0) {
 168                 if (ver >= 2) {
 169                         shell_data->shell =
 170                                 static_cast<struct agl_shell *>(
 171                                         wl_registry_bind(reg, name, &agl_shell_interface, MIN(8, ver)));
 172 #ifdef AGL_SHELL_BOUND_OK_SINCE_VERSION
 173                         agl_shell_add_listener(shell_data->shell, &shell_listener, data);
 174 #endif
 175                 } else {
 176                         shell_data->shell =
 177                                 static_cast<struct agl_shell *>(
 178                                         wl_registry_bind(reg, name, &agl_shell_interface, 1));
 179                 }
 180                 shell_data->ver = ver;
 181
 182         }
 183 }
 184
 185 static void
 186 global_remove(void *data, struct wl_registry *reg, uint32_t id)
 187 {
 188         /* Don't care */
 189         (void) data;
 190         (void) reg;
 191         (void) id;
 192 }
 193
 194 static const struct wl_registry_listener registry_listener = {
 195         global_add,
 196         global_remove,
 197 };
 198
 199 static struct wl_surface *
 200 getWlSurface(QPlatformNativeInterface *native, QWindow *window)
 201 {
 202         void *surf = native->nativeResourceForWindow("surface", window);
 203         return static_cast<struct ::wl_surface *>(surf);
 204 }
 205
 206 static struct wl_output *
 207 getWlOutput(QPlatformNativeInterface *native, QScreen *screen)
 208 {
 209         void *output = native->nativeResourceForScreen("output", screen);
 210         return static_cast<struct ::wl_output*>(output);
 211 }
 212
 213 static struct wl_display *
 214 getWlDisplay(QPlatformNativeInterface *native)
 215 {
 216        return static_cast<struct wl_display *>(
 217                native->nativeResourceForIntegration("display")
 218        );
 219 }
 220
 221
 222 static void
 223 register_agl_shell(QPlatformNativeInterface *native, struct shell_data *shell_data)
 224 {
 225         struct wl_display *wl;
 226         struct wl_registry *registry;
 227
 228         wl = getWlDisplay(native);
 229         registry = wl_display_get_registry(wl);
 230
 231         wl_registry_add_listener(registry, &registry_listener, shell_data);
 232
 233         /* Roundtrip to get all globals advertised by the compositor */
 234         wl_display_roundtrip(wl);
 235         wl_registry_destroy(registry);
 236 }
 237
 238 static struct wl_surface *
 239 create_component(QPlatformNativeInterface *native, QQmlComponent *comp,
 240                  QScreen *screen, QObject **qobj)
 241 {
 242         QObject *obj = comp->create();
 243         obj->setParent(screen);
 244
 245         QWindow *win = qobject_cast<QWindow *>(obj);
 246         *qobj = obj;
 247
 248         return getWlSurface(native, win);
 249 }
 250
 251
 252 static void
 253 load_agl_shell(QPlatformNativeInterface *native, QQmlApplicationEngine *engine,
 254                struct agl_shell *agl_shell, QScreen *screen)
 255 {
 256         struct wl_surface *bg;
 257         struct wl_output *output;
 258         int32_t x, y;
 259         int32_t width, height;
 260         QObject *qobj_bg;
 261         QSize size = screen->size();
 262
 263         // this incorporates the panels directly, but in doing so, it
 264         // would also need to specify an activation area the same area
 265         // in order to void overlapping any new activation window
 266         QQmlComponent bg_comp(engine, QUrl("qrc:/background_with_panels.qml"));
 267         qInfo() << bg_comp.errors();
 268
 269         bg = create_component(native, &bg_comp, screen, &qobj_bg);
 270
 271         output = getWlOutput(native, screen);
 272
 273         qDebug() << "Normal mode - with single surface";
 274         qDebug() << "Setting homescreen to screen  " << screen->name();
 275         agl_shell_set_background(agl_shell, bg, output);
 276
 277         // 216 is the width size of the panel
 278         x = 0;
 279         y = 216;
 280
 281         width  = size.width();
 282         height = size.height() - (2 * y);
 283
 284         qDebug() << "Using custom rectangle " << width << "x" << height
 285                 << "+" << x << "x" << y << " for activation";
 286         qDebug() << "Panels should be embedded the background surface";
 287
 288 #ifdef AGL_SHELL_SET_ACTIVATE_REGION_SINCE_VERSION
 289         agl_shell_set_activate_region(agl_shell, output,
 290                                       x, y, width, height);
 291 #endif
 292 }
 293
 294 static void
 295 load_agl_shell_for_ci(QPlatformNativeInterface *native,
 296                       QQmlApplicationEngine *engine,
 297                       struct agl_shell *agl_shell, QScreen *screen)
 298 {
 299         struct wl_surface *bg, *top, *bottom;
 300         struct wl_output *output;
 301         QObject *qobj_bg, *qobj_top, *qobj_bottom;
 302
 303         QQmlComponent bg_comp(engine, QUrl("qrc:/background_demo.qml"));
 304         qInfo() << bg_comp.errors();
 305
 306         QQmlComponent top_comp(engine, QUrl("qrc:/toppanel_demo.qml"));
 307         qInfo() << top_comp.errors();
 308
 309         QQmlComponent bot_comp(engine, QUrl("qrc:/bottompanel_demo.qml"));
 310         qInfo() << bot_comp.errors();
 311
 312         top = create_component(native, &top_comp, screen, &qobj_top);
 313         bottom = create_component(native, &bot_comp, screen, &qobj_bottom);
 314         bg = create_component(native, &bg_comp, screen, &qobj_bg);
 315
 316         /* engine.rootObjects() works only if we had a load() */
 317         StatusBarModel *statusBar = qobj_top->findChild<StatusBarModel *>("statusBar");
 318         if (statusBar) {
 319                 qDebug() << "got statusBar objectname, doing init()";
 320                 statusBar->init(engine->rootContext());
 321         }
 322
 323         output = getWlOutput(native, screen);
 324
 325         qDebug() << "Setting homescreen to screen  " << screen->name();
 326
 327         agl_shell_set_background(agl_shell, bg, output);
 328         agl_shell_set_panel(agl_shell, top, output, AGL_SHELL_EDGE_TOP);
 329         agl_shell_set_panel(agl_shell, bottom, output, AGL_SHELL_EDGE_BOTTOM);
 330
 331         qDebug() << "CI mode - with multiple surfaces";
 332 }
 333
 334 static void
 335 load_agl_shell_app(QPlatformNativeInterface *native, QQmlApplicationEngine *engine,
 336                    struct agl_shell *agl_shell, const char *screen_name, bool is_demo)
 337 {
 338         QScreen *screen = nullptr;
 339
 340         if (!screen_name)
 341                 screen = qApp->primaryScreen();
 342         else
 343                 screen = find_screen(screen_name);
 344
 345         if (!screen) {
 346                 qDebug() << "No outputs present in the system.";
 347                 return;
 348         }
 349
 350         if (is_demo) {
 351                 load_agl_shell_for_ci(native, engine, agl_shell, screen);
 352         } else {
 353                 load_agl_shell(native, engine, agl_shell, screen);
 354         }
 355
 356         /* Delay the ready signal until after Qt has done all of its own setup
 357          * in a.exec() */
 358         QTimer::singleShot(500, [agl_shell](){
 359                 qDebug() << "sending ready to compositor";
 360                 agl_shell_ready(agl_shell);
 361         });
 362 }
 363
 364 int main(int argc, char *argv[])
 365 {
 366         setenv("QT_QPA_PLATFORM", "wayland", 1);
 367         setenv("QT_QUICK_CONTROLS_STYLE", "AGL", 1);
 368
 369         QGuiApplication app(argc, argv);
 370         const char *screen_name;
 371         bool is_demo_val = false;
 372         bool is_embedded_panels = false;
 373         int ret = 0;
 374         struct shell_data shell_data = { nullptr, nullptr, true, false, 0 };
 375
 376         QPlatformNativeInterface *native = qApp->platformNativeInterface();
 377         screen_name = getenv("HOMESCREEN_START_SCREEN");
 378
 379         const char *is_demo = getenv("HOMESCREEN_DEMO_CI");
 380         if (is_demo && strcmp(is_demo, "1") == 0)
 381                 is_demo_val = true;
 382
 383         const char *embedded_panels = getenv("HOMESCREEN_EMBEDDED_PANELS");
 384         if (embedded_panels && strcmp(embedded_panels, "1") == 0)
 385                 is_embedded_panels = true;
 386
 387         QCoreApplication::setOrganizationDomain("LinuxFoundation");
 388         QCoreApplication::setOrganizationName("AutomotiveGradeLinux");
 389         QCoreApplication::setApplicationName("HomeScreen");
 390         QCoreApplication::setApplicationVersion("0.7.0");
 391
 392         // we need to have an app_id
 393         app.setDesktopFileName("homescreen");
 394
 395         register_agl_shell(native, &shell_data);
 396         if (!shell_data.shell) {
 397                 fprintf(stderr, "agl_shell extension is not advertised. "
 398                         "Are you sure that agl-compositor is running?\n");
 399                 exit(EXIT_FAILURE);
 400         }
 401
 402         qDebug() << "agl-shell interface is at version " << shell_data.ver;
 403         if (shell_data.ver >= 2) {
 404                 while (ret != -1 && shell_data.wait_for_bound) {
 405                         ret = wl_display_dispatch(getWlDisplay(native));
 406
 407                         if (shell_data.wait_for_bound)
 408                                 continue;
 409                 }
 410
 411                 if (!shell_data.bound_ok) {
 412                         qInfo() << "agl_shell extension already in use by other shell client.";
 413                         exit(EXIT_FAILURE);
 414                 }
 415         }
 416
 417
 418         std::shared_ptr<struct agl_shell> agl_shell{shell_data.shell, agl_shell_destroy};
 419         Shell *aglShell = new Shell(agl_shell, &app);
 420
 421         // Import C++ class to QML
 422         qmlRegisterType<StatusBarModel>("HomeScreen", 1, 0, "StatusBarModel");
 423         qmlRegisterType<MasterVolume>("MasterVolume", 1, 0, "MasterVolume");
 424
 425         ApplicationLauncher *launcher = new ApplicationLauncher();
 426         launcher->setCurrent(QStringLiteral("launcher"));
 427
 428         HomescreenHandler* homescreenHandler = new HomescreenHandler(aglShell, launcher);
 429         shell_data.homescreenHandler = homescreenHandler;
 430
 431         QQmlApplicationEngine engine;
 432         QQmlContext *context = engine.rootContext();
 433
 434         context->setContextProperty("homescreenHandler", homescreenHandler);
 435         context->setContextProperty("launcher", launcher);
 436         context->setContextProperty("weather", new Weather());
 437         context->setContextProperty("bluetooth", new Bluetooth(false, context));
 438
 439         // We add it here even if we don't use it
 440         context->setContextProperty("shell", aglShell);
 441
 442         load_agl_shell_app(native, &engine, shell_data.shell,
 443                            screen_name, is_demo_val);
 444
 445         return app.exec();
 446 }