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