2 * Copyright (C) 2016, 2017 Mentor Graphics Development (Deutschland) GmbH
3 * Copyright (c) 2017, 2018 TOYOTA MOTOR CORPORATION
4 * Copyright (c) 2020 Collabora, Ltd.
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
19 #include <QGuiApplication>
20 #include <QCommandLineParser>
21 #include <QtCore/QUrlQuery>
22 #include <QtGui/QGuiApplication>
23 #include <QtQml/QQmlApplicationEngine>
24 #include <QtQml/QQmlContext>
25 #include <QtQml/QQmlComponent>
26 #include <QtQml/qqml.h>
27 #include <QQuickWindow>
31 #include <bluetooth.h>
32 #include "applicationlauncher.h"
33 #include "statusbarmodel.h"
34 #include "mastervolume.h"
35 #include "homescreenhandler.h"
36 #include "hmi-debug.h"
37 #include "chromecontroller.h"
39 #include <qpa/qplatformnativeinterface.h>
40 #include <wayland-client.h>
42 #include "wayland-agl-shell-client-protocol.h"
43 #include "wayland-agl-shell-desktop-client-protocol.h"
46 struct shell_container {
47 struct agl_shell *agl_shell;
48 struct agl_shell_desktop *agl_shell_desktop;
49 // used to propagate events from C/C++ event handlers from the protocol
50 // to the QML in case we need them
52 ApplicationLauncher *launcher;
56 application_id_event(void *data, struct agl_shell_desktop *agl_shell_desktop,
59 // this event is sent only when surfaces are being created. we call
60 // setCurrent() to take care of this the first time, with later state
61 // event changes being handled by the application_state_event()
62 struct shell_container *sc = static_cast<struct shell_container *>(data);
63 sc->launcher->setCurrent(QString(app_id));
67 application_state_event(void *data, struct agl_shell_desktop *agl_shell_desktop,
68 const char *app_id, const char *app_data,
69 uint32_t app_state, uint32_t app_role)
71 struct shell_container *sc = static_cast<struct shell_container *>(data);
72 sc->launcher->setCurrent(QString(app_id));
75 static const struct agl_shell_desktop_listener agl_shell_desktop_listener = {
77 application_state_event,
82 global_add(void *data, struct wl_registry *reg, uint32_t name,
83 const char *interface, uint32_t version)
85 struct shell_container *sc = static_cast<struct shell_container *>(data);
87 if (strcmp(interface, agl_shell_interface.name) == 0) {
88 sc->agl_shell = static_cast<struct agl_shell *>(
89 wl_registry_bind(reg, name, &agl_shell_interface, 1)
91 } else if (strcmp(interface, agl_shell_desktop_interface.name) == 0) {
92 sc->agl_shell_desktop = static_cast<struct agl_shell_desktop *>(
93 wl_registry_bind(reg, name, &agl_shell_desktop_interface, 1)
96 agl_shell_desktop_add_listener(sc->agl_shell_desktop,
97 &agl_shell_desktop_listener, sc);
102 global_remove(void *data, struct wl_registry *reg, uint32_t id)
110 static const struct wl_registry_listener registry_listener = {
115 static struct wl_surface *
116 getWlSurface(QPlatformNativeInterface *native, QWindow *window)
118 void *surf = native->nativeResourceForWindow("surface", window);
119 return static_cast<struct ::wl_surface *>(surf);
122 static struct wl_output *
123 getWlOutput(QPlatformNativeInterface *native, QScreen *screen)
125 void *output = native->nativeResourceForScreen("output", screen);
126 return static_cast<struct ::wl_output*>(output);
130 static struct shell_container *
131 register_agl_shell(QPlatformNativeInterface *native)
133 struct wl_display *wl;
134 struct wl_registry *registry;
135 struct shell_container *sc = new shell_container();
137 wl = static_cast<struct wl_display *>(
138 native->nativeResourceForIntegration("display")
140 registry = wl_display_get_registry(wl);
142 wl_registry_add_listener(registry, ®istry_listener, sc);
144 /* Roundtrip to get all globals advertised by the compositor */
145 wl_display_roundtrip(wl);
146 wl_registry_destroy(registry);
148 if (!sc->agl_shell) {
152 if (!sc->agl_shell_desktop) {
159 static struct wl_surface *
160 create_component(QPlatformNativeInterface *native, QQmlComponent *comp,
161 QScreen *screen, QObject **qobj)
163 QObject *obj = comp->create();
164 obj->setParent(screen);
166 QWindow *win = qobject_cast<QWindow *>(obj);
169 return getWlSurface(native, win);
173 find_screen(const char *screen_name)
175 QList<QScreen *> screens = qApp->screens();
176 QScreen *found = nullptr;
177 QString qstr_name = QString::fromUtf8(screen_name, -1);
179 for (QScreen *xscreen : screens) {
180 if (qstr_name == xscreen->name()) {
190 load_agl_shell_app(QPlatformNativeInterface *native,
191 QQmlApplicationEngine *engine,
192 struct shell_container *sc, QUrl &bindingAddress,
193 const char *screen_name)
195 struct wl_surface *bg, *top, *bottom;
196 struct wl_output *output;
197 QObject *qobj_bg, *qobj_top, *qobj_bottom;
198 QScreen *screen = nullptr;
199 struct agl_shell *agl_shell = sc->agl_shell;
201 QQmlComponent bg_comp(engine, QUrl("qrc:/background.qml"));
202 qInfo() << bg_comp.errors();
204 QQmlComponent top_comp(engine, QUrl("qrc:/toppanel.qml"));
205 qInfo() << top_comp.errors();
207 QQmlComponent bot_comp(engine, QUrl("qrc:/bottompanel.qml"));
208 qInfo() << bot_comp.errors();
211 screen = qApp->primaryScreen();
213 screen = find_screen(screen_name);
215 qDebug() << "found primary screen " << qApp->primaryScreen()->name() <<
216 "first screen " << qApp->screens().first()->name();
217 output = getWlOutput(native, screen);
219 top = create_component(native, &top_comp, screen, &qobj_top);
220 bottom = create_component(native, &bot_comp, screen, &qobj_bottom);
221 bg = create_component(native, &bg_comp, screen, &qobj_bg);
223 /* engine.rootObjects() works only if we had a load() */
224 StatusBarModel *statusBar = qobj_top->findChild<StatusBarModel *>("statusBar");
226 qDebug() << "got statusBar objectname, doing init()";
227 statusBar->init(bindingAddress, engine->rootContext());
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();
234 agl_shell_set_background(agl_shell, bg, output);
236 /* Delay the ready signal until after Qt has done all of its own setup
238 QTimer::singleShot(500, [agl_shell](){
239 agl_shell_ready(agl_shell);
243 int main(int argc, char *argv[])
245 setenv("QT_QPA_PLATFORM", "wayland", 1);
246 QGuiApplication a(argc, argv);
247 const char *screen_name;
250 QPlatformNativeInterface *native = qApp->platformNativeInterface();
251 struct shell_container *sc = nullptr;
252 screen_name = getenv("HOMESCREEN_START_SCREEN");
254 QCoreApplication::setOrganizationDomain("LinuxFoundation");
255 QCoreApplication::setOrganizationName("AutomotiveGradeLinux");
256 QCoreApplication::setApplicationName("HomeScreen");
257 QCoreApplication::setApplicationVersion("0.7.0");
258 /* we need to have an app_id */
259 a.setDesktopFileName("homescreen");
261 QCommandLineParser parser;
262 parser.addPositionalArgument("port", a.translate("main", "port for binding"));
263 parser.addPositionalArgument("secret", a.translate("main", "secret for binding"));
264 parser.addHelpOption();
265 parser.addVersionOption();
267 QStringList positionalArguments = parser.positionalArguments();
270 QString token = "wm";
271 QString graphic_role = "homescreen"; // defined in layers.json in Window Manager
273 if (positionalArguments.length() == 2) {
274 port = positionalArguments.takeFirst().toInt();
275 token = positionalArguments.takeFirst();
278 HMI_DEBUG("HomeScreen","port = %d, token = %s", port, token.toStdString().c_str());
279 ApplicationLauncher *launcher = new ApplicationLauncher();
281 sc = register_agl_shell(native);
286 std::shared_ptr<struct agl_shell>
287 shell{sc->agl_shell, agl_shell_destroy};
288 std::shared_ptr<struct agl_shell_desktop>
289 shell_desktop{sc->agl_shell_desktop, agl_shell_desktop_destroy};
290 Shell *aglShell = new Shell(shell, shell_desktop, &a);
291 sc->a_shell = aglShell;
292 sc->launcher = launcher;
294 // import C++ class to QML
295 // qmlRegisterType<ApplicationLauncher>("HomeScreen", 1, 0, "ApplicationLauncher");
296 qmlRegisterType<StatusBarModel>("HomeScreen", 1, 0, "StatusBarModel");
297 qmlRegisterType<MasterVolume>("MasterVolume", 1, 0, "MasterVolume");
298 qmlRegisterUncreatableType<ChromeController>("SpeechChrome", 1, 0, "SpeechChromeController",
299 QLatin1String("SpeechChromeController is uncreatable."));
302 HomescreenHandler* homescreenHandler = new HomescreenHandler(aglShell, launcher);
303 homescreenHandler->init(port, token.toStdString().c_str());
306 bindingAddress.setScheme(QStringLiteral("ws"));
307 bindingAddress.setHost(QStringLiteral("localhost"));
308 bindingAddress.setPort(port);
309 bindingAddress.setPath(QStringLiteral("/api"));
312 query.addQueryItem(QStringLiteral("token"), token);
313 bindingAddress.setQuery(query);
315 QQmlApplicationEngine engine;
316 QQmlContext *context = engine.rootContext();
317 context->setContextProperty("bindingAddress", bindingAddress);
319 context->setContextProperty("homescreenHandler", homescreenHandler);
320 context->setContextProperty("launcher", launcher);
321 context->setContextProperty("weather", new Weather(bindingAddress));
322 context->setContextProperty("bluetooth", new Bluetooth(bindingAddress, context));
323 context->setContextProperty("speechChromeController", new ChromeController(bindingAddress, &engine));
324 // we add it here even if we don't use it
325 context->setContextProperty("shell", aglShell);
327 /* instead of loading main.qml we load one-by-one each of the QMLs,
328 * divided now between several surfaces: panels, background.
330 load_agl_shell_app(native, &engine, sc, bindingAddress, screen_name);