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 #include <qpa/qplatformnativeinterface.h>
  29 #include <wayland-client.h>
  30
  31 #include "wayland-agl-shell-client-protocol.h"
  32 #include "wayland-agl-shell-desktop-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         struct agl_shell_desktop *shell_desktop;
  42         bool wait_for_bound;
  43         bool bound_ok;
  44         int ver;
  45 };
  46
  47 static void
  48 agl_shell_desktop_application(void *data,
  49                               struct agl_shell_desktop *agl_shell_desktop,
  50                               const char *app_id)
  51 {
  52         HomescreenHandler *homescreenHandler = static_cast<HomescreenHandler *>(data);
  53
  54         if (homescreenHandler)
  55                 homescreenHandler->addAppToStack(app_id);
  56 }
  57
  58 static void
  59 agl_shell_desktop_state_app(void *data,
  60                             struct agl_shell_desktop *agl_shell_desktop,
  61                             const char *app_id,
  62                             const char *app_data,
  63                             uint32_t state,
  64                             uint32_t role)
  65 {
  66         HomescreenHandler *homescreenHandler = static_cast<HomescreenHandler *>(data);
  67
  68         if (homescreenHandler && state == AGL_SHELL_DESKTOP_APP_STATE_DESTROYED)
  69                 homescreenHandler->deactivateApp(app_id);
  70 }
  71
  72 static void
  73 agl_shell_bound_ok(void *data, struct agl_shell *agl_shell)
  74 {
  75         struct shell_data *shell_data = static_cast<struct shell_data *>(data);
  76         shell_data->wait_for_bound = false;
  77
  78         shell_data->bound_ok = true;
  79 }
  80
  81 static void
  82 agl_shell_bound_fail(void *data, struct agl_shell *agl_shell)
  83 {
  84         struct shell_data *shell_data = static_cast<struct shell_data *>(data);
  85         shell_data->wait_for_bound = false;
  86
  87         shell_data->bound_ok = false;
  88 }
  89
  90 #ifdef AGL_SHELL_BOUND_OK_SINCE_VERSION
  91 static const struct agl_shell_listener shell_listener = {
  92         agl_shell_bound_ok,
  93         agl_shell_bound_fail,
  94 };
  95 #endif
  96
  97 static const struct agl_shell_desktop_listener shell_desktop_listener = {
  98    agl_shell_desktop_application,
  99    agl_shell_desktop_state_app
 100 };
 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(2, 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         if (strcmp(interface, agl_shell_desktop_interface.name) == 0) {
 129                 shell_data->shell_desktop = static_cast<struct agl_shell_desktop *>(
 130                         wl_registry_bind(reg, name, &agl_shell_desktop_interface, 1)
 131                 );
 132         }
 133 }
 134
 135 static void
 136 global_remove(void *data, struct wl_registry *reg, uint32_t id)
 137 {
 138         /* Don't care */
 139         (void) data;
 140         (void) reg;
 141         (void) id;
 142 }
 143
 144 static const struct wl_registry_listener registry_listener = {
 145         global_add,
 146         global_remove,
 147 };
 148
 149 static struct wl_surface *
 150 getWlSurface(QPlatformNativeInterface *native, QWindow *window)
 151 {
 152         void *surf = native->nativeResourceForWindow("surface", window);
 153         return static_cast<struct ::wl_surface *>(surf);
 154 }
 155
 156 static struct wl_output *
 157 getWlOutput(QPlatformNativeInterface *native, QScreen *screen)
 158 {
 159         void *output = native->nativeResourceForScreen("output", screen);
 160         return static_cast<struct ::wl_output*>(output);
 161 }
 162
 163 static struct wl_display *
 164 getWlDisplay(QPlatformNativeInterface *native)
 165 {
 166        return static_cast<struct wl_display *>(
 167                native->nativeResourceForIntegration("display")
 168        );
 169 }
 170
 171
 172 static void
 173 register_agl_shell(QPlatformNativeInterface *native, struct shell_data *shell_data)
 174 {
 175         struct wl_display *wl;
 176         struct wl_registry *registry;
 177
 178         wl = getWlDisplay(native);
 179         registry = wl_display_get_registry(wl);
 180
 181         wl_registry_add_listener(registry, &registry_listener, shell_data);
 182
 183         /* Roundtrip to get all globals advertised by the compositor */
 184         wl_display_roundtrip(wl);
 185         wl_registry_destroy(registry);
 186 }
 187
 188 static struct wl_surface *
 189 create_component(QPlatformNativeInterface *native, QQmlComponent *comp,
 190                  QScreen *screen, QObject **qobj)
 191 {
 192         QObject *obj = comp->create();
 193         obj->setParent(screen);
 194
 195         QWindow *win = qobject_cast<QWindow *>(obj);
 196         *qobj = obj;
 197
 198         return getWlSurface(native, win);
 199 }
 200
 201 static QScreen *
 202 find_screen(const char *screen_name)
 203 {
 204         QList<QScreen *> screens = qApp->screens();
 205         QScreen *found = nullptr;
 206         QString qstr_name = QString::fromUtf8(screen_name, -1);
 207
 208         for (QScreen *xscreen : screens) {
 209                 if (qstr_name == xscreen->name()) {
 210                         found = xscreen;
 211                         break;
 212                 }
 213         }
 214
 215         return found;
 216 }
 217
 218 static void
 219 load_agl_shell_app(QPlatformNativeInterface *native,
 220                    QQmlApplicationEngine *engine,
 221                    struct agl_shell *agl_shell,
 222                    const char *screen_name,
 223                     bool is_demo)
 224 {
 225         struct wl_surface *bg, *top, *bottom;
 226         struct wl_output *output;
 227         QObject *qobj_bg, *qobj_top, *qobj_bottom;
 228         QScreen *screen = nullptr;
 229
 230         if (is_demo) {
 231                 QQmlComponent bg_comp(engine, QUrl("qrc:/background_demo.qml"));
 232                 qInfo() << bg_comp.errors();
 233
 234                 QQmlComponent top_comp(engine, QUrl("qrc:/toppanel_demo.qml"));
 235                 qInfo() << top_comp.errors();
 236
 237                 QQmlComponent bot_comp(engine, QUrl("qrc:/bottompanel_demo.qml"));
 238                 qInfo() << bot_comp.errors();
 239
 240                 top = create_component(native, &top_comp, screen, &qobj_top);
 241                 bottom = create_component(native, &bot_comp, screen, &qobj_bottom);
 242                 bg = create_component(native, &bg_comp, screen, &qobj_bg);
 243         } else {
 244                 QQmlComponent bg_comp(engine, QUrl("qrc:/background.qml"));
 245                 qInfo() << bg_comp.errors();
 246
 247                 QQmlComponent top_comp(engine, QUrl("qrc:/toppanel.qml"));
 248                 qInfo() << top_comp.errors();
 249
 250                 QQmlComponent bot_comp(engine, QUrl("qrc:/bottompanel.qml"));
 251                 qInfo() << bot_comp.errors();
 252
 253                 top = create_component(native, &top_comp, screen, &qobj_top);
 254                 bottom = create_component(native, &bot_comp, screen, &qobj_bottom);
 255                 bg = create_component(native, &bg_comp, screen, &qobj_bg);
 256         }
 257
 258         if (!screen_name)
 259                 screen = qApp->primaryScreen();
 260         else
 261                 screen = find_screen(screen_name);
 262
 263         if (!screen) {
 264                 qDebug() << "No outputs present in the system.";
 265                 return;
 266         }
 267
 268         qDebug() << "found primary screen " << qApp->primaryScreen()->name() <<
 269                 "first screen " << qApp->screens().first()->name();
 270         output = getWlOutput(native, screen);
 271
 272         /* engine.rootObjects() works only if we had a load() */
 273         StatusBarModel *statusBar = qobj_top->findChild<StatusBarModel *>("statusBar");
 274         if (statusBar) {
 275                 qDebug() << "got statusBar objectname, doing init()";
 276                 statusBar->init(engine->rootContext());
 277         }
 278
 279         agl_shell_set_panel(agl_shell, top, output, AGL_SHELL_EDGE_TOP);
 280         agl_shell_set_panel(agl_shell, bottom, output, AGL_SHELL_EDGE_BOTTOM);
 281         qDebug() << "Setting homescreen to screen  " << screen->name();
 282
 283         agl_shell_set_background(agl_shell, bg, output);
 284
 285         /* Delay the ready signal until after Qt has done all of its own setup
 286          * in a.exec() */
 287         QTimer::singleShot(500, [agl_shell](){
 288                 agl_shell_ready(agl_shell);
 289         });
 290 }
 291
 292 int main(int argc, char *argv[])
 293 {
 294         setenv("QT_QPA_PLATFORM", "wayland", 1);
 295         setenv("QT_QUICK_CONTROLS_STYLE", "AGL", 1);
 296
 297         QGuiApplication app(argc, argv);
 298         const char *screen_name;
 299         bool is_demo_val = false;
 300         int ret = 0;
 301         struct shell_data shell_data = { nullptr, nullptr, true, false, 0 };
 302
 303         QPlatformNativeInterface *native = qApp->platformNativeInterface();
 304         screen_name = getenv("HOMESCREEN_START_SCREEN");
 305
 306         const char *is_demo = getenv("HOMESCREEN_DEMO_CI");
 307         if (is_demo && strcmp(is_demo, "1") == 0)
 308                 is_demo_val = true;
 309
 310         QCoreApplication::setOrganizationDomain("LinuxFoundation");
 311         QCoreApplication::setOrganizationName("AutomotiveGradeLinux");
 312         QCoreApplication::setApplicationName("HomeScreen");
 313         QCoreApplication::setApplicationVersion("0.7.0");
 314
 315         // we need to have an app_id
 316         app.setDesktopFileName("homescreen");
 317
 318         register_agl_shell(native, &shell_data);
 319         if (!shell_data.shell) {
 320                 fprintf(stderr, "agl_shell extension is not advertised. "
 321                         "Are you sure that agl-compositor is running?\n");
 322                 exit(EXIT_FAILURE);
 323         }
 324         if (!shell_data.shell_desktop) {
 325                 fprintf(stderr, "agl_shell_desktop extension is not advertised. "
 326                         "Are you sure that agl-compositor is running?\n");
 327                 exit(EXIT_FAILURE);
 328         }
 329
 330         qDebug() << "agl-shell interface is at version " << shell_data.ver;
 331         if (shell_data.ver >= 2) {
 332                 while (ret != -1 && shell_data.wait_for_bound) {
 333                         ret = wl_display_dispatch(getWlDisplay(native));
 334
 335                         if (shell_data.wait_for_bound)
 336                                 continue;
 337                 }
 338
 339                 if (!shell_data.bound_ok) {
 340                         qInfo() << "agl_shell extension already in use by other shell client.";
 341                         exit(EXIT_FAILURE);
 342                 }
 343         }
 344
 345
 346         std::shared_ptr<struct agl_shell> agl_shell{shell_data.shell, agl_shell_destroy};
 347         Shell *aglShell = new Shell(agl_shell, &app);
 348
 349         // Import C++ class to QML
 350         qmlRegisterType<StatusBarModel>("HomeScreen", 1, 0, "StatusBarModel");
 351         qmlRegisterType<MasterVolume>("MasterVolume", 1, 0, "MasterVolume");
 352
 353         ApplicationLauncher *launcher = new ApplicationLauncher();
 354         launcher->setCurrent(QStringLiteral("launcher"));
 355         HomescreenHandler* homescreenHandler = new HomescreenHandler(aglShell, launcher);
 356
 357         agl_shell_desktop_add_listener(shell_data.shell_desktop, &shell_desktop_listener, homescreenHandler);
 358
 359         QQmlApplicationEngine engine;
 360         QQmlContext *context = engine.rootContext();
 361
 362         context->setContextProperty("homescreenHandler", homescreenHandler);
 363         context->setContextProperty("launcher", launcher);
 364         context->setContextProperty("weather", new Weather());
 365         context->setContextProperty("bluetooth", new Bluetooth(false, context));
 366
 367         // We add it here even if we don't use it
 368         context->setContextProperty("shell", aglShell);
 369
 370         // Instead of loading main.qml we load one-by-one each of the QMLs,
 371         // divided now between several surfaces: panels, background.
 372         load_agl_shell_app(native, &engine, shell_data.shell, screen_name, is_demo_val);
 373
 374         return app.exec();
 375 }