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