+
+// meson will define these
+#include QT_QPA_HEADER
+#include <wayland-client.h>
+
+#include "agl-shell-client-protocol.h"
+
+#include <thread>
+#include "AglShellGrpcClient.h"
+
+#ifndef MIN
+#define MIN(a, b) (((a) < (b)) ? (a) : (b))
+#endif
+
+QScreen *
+find_screen(const char *screen_name)
+{
+ QList<QScreen *> screens = qApp->screens();
+ QScreen *found = nullptr;
+ QString qstr_name = QString::fromUtf8(screen_name, -1);
+
+ for (QScreen *xscreen : screens) {
+ if (qstr_name == xscreen->name()) {
+ found = xscreen;
+ break;
+ }
+ }
+
+ return found;
+}
+
+struct shell_data {
+ struct agl_shell *shell;
+ HomescreenHandler *homescreenHandler;
+ bool wait_for_bound;
+ bool bound_ok;
+ int ver;
+};
+
+static void
+agl_shell_bound_ok(void *data, struct agl_shell *agl_shell)
+{
+ struct shell_data *shell_data = static_cast<struct shell_data *>(data);
+ shell_data->wait_for_bound = false;
+
+ shell_data->bound_ok = true;
+}
+
+static void
+agl_shell_bound_fail(void *data, struct agl_shell *agl_shell)
+{
+ struct shell_data *shell_data = static_cast<struct shell_data *>(data);
+ shell_data->wait_for_bound = false;
+
+ shell_data->bound_ok = false;
+}
+
+static void
+agl_shell_app_state(void *data, struct agl_shell *agl_shell,
+ const char *app_id, uint32_t state)
+{
+ /* unused */
+}
+
+static void
+agl_shell_app_on_output(void *data, struct agl_shell *agl_shell,
+ const char *app_id, const char *output_name)
+{
+ struct shell_data *shell_data = static_cast<struct shell_data *>(data);
+ HomescreenHandler *homescreenHandler = shell_data->homescreenHandler;
+
+ if (!homescreenHandler)
+ return;
+
+ // a couple of use-cases, if there is no app_id in the app_list then it
+ // means this is a request to map the application, from the start to a
+ // different output that the default one. We'd get an
+ // AGL_SHELL_APP_STATE_STARTED which will handle activation.
+ //
+ // if there's an app_id then it means we might have gotten an event to
+ // move the application to another output; so we'd need to process it
+ // by explicitly calling processAppStatusEvent() which would ultimately
+ // activate the application on other output. We'd have to pick-up the
+ // last activated window and activate the default output.
+ //
+ // finally if the outputs are identical probably that's an user-error -
+ // but the compositor won't activate it again, so we don't handle that.
+ std::pair new_pending_app = std::pair(QString(app_id),
+ QString(output_name));
+ homescreenHandler->pending_app_list.push_back(new_pending_app);
+
+ if (homescreenHandler->apps_stack.contains(QString(app_id))) {
+ qDebug() << "Got event to move " << app_id <<
+ " to another output " << output_name;
+
+ homescreenHandler->processAppStatusEvent(app_id, "started");
+ }
+}
+
+
+#ifdef AGL_SHELL_BOUND_OK_SINCE_VERSION
+static const struct agl_shell_listener shell_listener = {
+ agl_shell_bound_ok,
+ agl_shell_bound_fail,
+ agl_shell_app_state,
+ agl_shell_app_on_output,
+};
+#endif
+
+static void
+global_add(void *data, struct wl_registry *reg, uint32_t name,
+ const char *interface, uint32_t ver)
+{
+ struct shell_data *shell_data = static_cast<struct shell_data *>(data);
+
+ if (!shell_data)
+ return;
+
+ if (strcmp(interface, agl_shell_interface.name) == 0) {
+ if (ver >= 2) {
+ shell_data->shell =
+ static_cast<struct agl_shell *>(
+ wl_registry_bind(reg, name, &agl_shell_interface, MIN(8, ver)));
+#ifdef AGL_SHELL_BOUND_OK_SINCE_VERSION
+ agl_shell_add_listener(shell_data->shell, &shell_listener, data);
+#endif
+ } else {
+ shell_data->shell =
+ static_cast<struct agl_shell *>(
+ wl_registry_bind(reg, name, &agl_shell_interface, 1));
+ }
+ shell_data->ver = ver;
+
+ }
+}
+
+static void
+global_remove(void *data, struct wl_registry *reg, uint32_t id)
+{
+ /* Don't care */
+ (void) data;
+ (void) reg;
+ (void) id;
+}
+
+static const struct wl_registry_listener registry_listener = {
+ global_add,
+ global_remove,
+};
+
+static struct wl_surface *
+getWlSurface(QPlatformNativeInterface *native, QWindow *window)
+{
+ void *surf = native->nativeResourceForWindow("surface", window);
+ return static_cast<struct ::wl_surface *>(surf);
+}
+
+static struct wl_output *
+getWlOutput(QPlatformNativeInterface *native, QScreen *screen)
+{
+ void *output = native->nativeResourceForScreen("output", screen);
+ return static_cast<struct ::wl_output*>(output);
+}
+
+static struct wl_display *
+getWlDisplay(QPlatformNativeInterface *native)
+{
+ return static_cast<struct wl_display *>(
+ native->nativeResourceForIntegration("display")
+ );
+}
+
+
+static void
+register_agl_shell(QPlatformNativeInterface *native, struct shell_data *shell_data)
+{
+ struct wl_display *wl;
+ struct wl_registry *registry;
+
+ wl = getWlDisplay(native);
+ registry = wl_display_get_registry(wl);
+
+ wl_registry_add_listener(registry, ®istry_listener, shell_data);
+
+ /* Roundtrip to get all globals advertised by the compositor */
+ wl_display_roundtrip(wl);
+ wl_registry_destroy(registry);
+}
+
+static struct wl_surface *
+create_component(QPlatformNativeInterface *native, QQmlComponent *comp,
+ QScreen *screen, QObject **qobj)
+{
+ QObject *obj = comp->create();
+ obj->setParent(screen);
+
+ QWindow *win = qobject_cast<QWindow *>(obj);
+ *qobj = obj;
+
+ return getWlSurface(native, win);
+}
+
+
+static void
+load_agl_shell(QPlatformNativeInterface *native, QQmlApplicationEngine *engine,
+ struct agl_shell *agl_shell, QScreen *screen)
+{
+ struct wl_surface *bg;
+ struct wl_output *output;
+ int32_t x, y;
+ int32_t width, height;
+ QObject *qobj_bg;
+ QSize size = screen->size();
+
+ // this incorporates the panels directly, but in doing so, it
+ // would also need to specify an activation area the same area
+ // in order to void overlapping any new activation window
+ QQmlComponent bg_comp(engine, QUrl("qrc:/background_with_panels.qml"));
+ qInfo() << bg_comp.errors();
+
+ bg = create_component(native, &bg_comp, screen, &qobj_bg);
+
+ output = getWlOutput(native, screen);
+
+ qDebug() << "Normal mode - with single surface";
+ qDebug() << "Setting homescreen to screen " << screen->name();
+ agl_shell_set_background(agl_shell, bg, output);
+
+ // 216 is the width size of the panel
+ x = 0;
+ y = 216;
+
+ width = size.width();
+ height = size.height() - (2 * y);
+
+ qDebug() << "Using custom rectangle " << width << "x" << height
+ << "+" << x << "x" << y << " for activation";
+ qDebug() << "Panels should be embedded the background surface";
+
+#ifdef AGL_SHELL_SET_ACTIVATE_REGION_SINCE_VERSION
+ agl_shell_set_activate_region(agl_shell, output,
+ x, y, width, height);
+#endif
+}
+
+static void
+load_agl_shell_for_ci(QPlatformNativeInterface *native,
+ QQmlApplicationEngine *engine,
+ struct agl_shell *agl_shell, QScreen *screen)
+{
+ struct wl_surface *bg, *top, *bottom;
+ struct wl_output *output;
+ QObject *qobj_bg, *qobj_top, *qobj_bottom;
+
+ QQmlComponent bg_comp(engine, QUrl("qrc:/background_demo.qml"));
+ qInfo() << bg_comp.errors();
+
+ QQmlComponent top_comp(engine, QUrl("qrc:/toppanel_demo.qml"));
+ qInfo() << top_comp.errors();
+
+ QQmlComponent bot_comp(engine, QUrl("qrc:/bottompanel_demo.qml"));
+ qInfo() << bot_comp.errors();
+
+ top = create_component(native, &top_comp, screen, &qobj_top);
+ bottom = create_component(native, &bot_comp, screen, &qobj_bottom);
+ bg = create_component(native, &bg_comp, screen, &qobj_bg);
+
+ /* engine.rootObjects() works only if we had a load() */
+ StatusBarModel *statusBar = qobj_top->findChild<StatusBarModel *>("statusBar");
+ if (statusBar) {
+ qDebug() << "got statusBar objectname, doing init()";
+ statusBar->init(engine->rootContext());
+ }
+
+ output = getWlOutput(native, screen);
+
+ qDebug() << "Setting homescreen to screen " << screen->name();
+
+ agl_shell_set_background(agl_shell, bg, output);
+ agl_shell_set_panel(agl_shell, top, output, AGL_SHELL_EDGE_TOP);
+ agl_shell_set_panel(agl_shell, bottom, output, AGL_SHELL_EDGE_BOTTOM);
+
+ qDebug() << "CI mode - with multiple surfaces";
+}
+
+static void
+app_status_callback(::agl_shell_ipc::AppStateResponse app_response, void *data);
+
+static void
+run_in_thread(GrpcClient *client)
+{
+ grpc::Status status = client->Wait();
+}
+
+static void
+load_agl_shell_app(QPlatformNativeInterface *native, QQmlApplicationEngine *engine,
+ struct shell_data shell_data, const char *screen_name, bool is_demo)
+{
+ QScreen *screen = nullptr;
+ HomescreenHandler *homescreenHandler = shell_data.homescreenHandler;
+
+ if (!screen_name)
+ screen = qApp->primaryScreen();
+ else
+ screen = find_screen(screen_name);
+
+ if (!screen) {
+ qDebug() << "No outputs present in the system.";
+ return;
+ }
+
+ if (is_demo) {
+ load_agl_shell_for_ci(native, engine, shell_data.shell, screen);
+ } else {
+ load_agl_shell(native, engine, shell_data.shell, screen);
+ }
+
+ /* Delay the ready signal until after Qt has done all of its own setup
+ * in a.exec() */
+ QTimer::singleShot(500, [shell_data](){
+ qDebug() << "sending ready to compositor";
+ agl_shell_ready(shell_data.shell);
+ });
+}
+
+static void
+app_status_callback(::agl_shell_ipc::AppStateResponse app_response, void *data)
+{
+ HomescreenHandler *homescreenHandler = static_cast<HomescreenHandler *>(data);
+
+ if (!homescreenHandler) {
+ return;
+ }
+
+ auto app_id = QString(app_response.app_id().c_str());
+ auto state = app_response.state();
+
+ qDebug() << "appstateresponse: app_id " << app_id << "state " << state;
+
+ switch (state) {
+ case AGL_SHELL_APP_STATE_STARTED:
+ qDebug() << "Got AGL_SHELL_APP_STATE_STARTED for app_id " << app_id;
+ homescreenHandler->processAppStatusEvent(app_id, "started");
+ break;
+ case AGL_SHELL_APP_STATE_TERMINATED:
+ qDebug() << "Got AGL_SHELL_APP_STATE_TERMINATED for app_id " << app_id;
+ homescreenHandler->processAppStatusEvent(app_id, "terminated");
+ break;
+ case AGL_SHELL_APP_STATE_ACTIVATED:
+ qDebug() << "Got AGL_SHELL_APP_STATE_ACTIVATED for app_id " << app_id;
+ homescreenHandler->addAppToStack(app_id);
+ break;
+ case AGL_SHELL_APP_STATE_DEACTIVATED:
+ qDebug() << "Got AGL_SHELL_APP_STATE_DEACTIVATED for app_id " << app_id;
+ homescreenHandler->processAppStatusEvent(app_id, "deactivated");
+ break;
+ default:
+ break;
+ }
+}