+#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)
+{
+ struct shell_data *shell_data = static_cast<struct shell_data *>(data);
+ HomescreenHandler *homescreenHandler = shell_data->homescreenHandler;
+
+ if (!homescreenHandler)
+ return;
+
+ 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;
+ // handled by HomescreenHandler::processAppStatusEvent
+ 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;
+ }
+}
+
+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() << "Gove 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
+