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