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Diffstat (limited to 'src/dbus_activation_manager.c')
| -rw-r--r-- | src/dbus_activation_manager.c | 257 |
1 files changed, 0 insertions, 257 deletions
diff --git a/src/dbus_activation_manager.c b/src/dbus_activation_manager.c deleted file mode 100644 index 8c65485..0000000 --- a/src/dbus_activation_manager.c +++ /dev/null @@ -1,257 +0,0 @@ -/* - * Copyright (C) 2021 Collabora Ltd - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include <gio/gio.h> - -#include "app_launcher.h" -#include "dbus_activation_manager.h" -#include "fdo-dbus.h" - -struct _DBusActivationManager { - GObject parent_instance; -}; - -G_DEFINE_TYPE(DBusActivationManager, dbus_activation_manager, G_TYPE_OBJECT); - -enum { - STARTED, - TERMINATED, - N_SIGNALS -}; -static guint signals[N_SIGNALS]; - -/* - * Application info structure, used for storing relevant data - * in the `starting_apps` and `running_apps` lists - */ -struct dbus_runtime_data { - guint watcher; - fdoApplication *fdo_proxy; -}; - -/* - * Initialization & cleanup functions - */ - -static void dbus_activation_manager_dispose(GObject *object) -{ - G_OBJECT_CLASS(dbus_activation_manager_parent_class)->dispose(object); -} - -static void dbus_activation_manager_finalize(GObject *object) -{ - G_OBJECT_CLASS(dbus_activation_manager_parent_class)->finalize(object); -} - -static void dbus_activation_manager_class_init(DBusActivationManagerClass *klass) -{ - GObjectClass *object_class = (GObjectClass *)klass; - - object_class->dispose = dbus_activation_manager_dispose; - object_class->finalize = dbus_activation_manager_finalize; - - signals[STARTED] = g_signal_new("started", G_TYPE_FROM_CLASS(klass), - G_SIGNAL_RUN_LAST, 0 , - NULL, NULL, NULL, G_TYPE_NONE, - 1, G_TYPE_STRING); - - signals[TERMINATED] = g_signal_new("terminated", G_TYPE_FROM_CLASS(klass), - G_SIGNAL_RUN_LAST, 0, - NULL, NULL, NULL, G_TYPE_NONE, - 1, G_TYPE_STRING); -} - -static void dbus_activation_manager_init(DBusActivationManager *self) -{ -} - -/* - * Internal callbacks - */ - -/* - * This function is called when a D-Bus name we're watching just vanished - * from the session bus. This indicates the underlying application terminated, - * so we must remove it from the list of running apps and notify listeners - * of the app termination so they can act accordingly. - */ -static void dbus_activation_manager_app_terminated_cb(GDBusConnection *connection, - const gchar *name, - gpointer data) -{ - DBusActivationManager *self = data; - AppLauncher *app_launcher = app_launcher_get_default(); - AppInfo *app_info; - struct dbus_runtime_data *runtime_data; - - g_return_if_fail(APPLAUNCHD_IS_DBUS_ACTIVATION_MANAGER(self)); - g_return_if_fail(APPLAUNCHD_IS_APP_LAUNCHER(app_launcher)); - - app_info = app_launcher_get_app_info(app_launcher, name); - g_return_if_fail(APPLAUNCHD_IS_APP_INFO(app_info)); - - runtime_data = app_info_get_runtime_data(app_info); - g_debug("Application '%s' vanished from D-Bus", name); - - app_info_set_status(app_info, APP_STATUS_INACTIVE); - app_info_set_runtime_data(app_info, NULL); - - dbus_activation_manager_free_runtime_data(runtime_data); - - g_signal_emit(self, signals[TERMINATED], 0, name); -} - -/* - * Function called when the name appeared on D-Bus, meaning the application - * successfully started and registered its D-Bus service. - */ -static void dbus_activation_manager_app_started_cb(GDBusConnection *connection, - const gchar *name, - const gchar *name_owner, - gpointer data) -{ - DBusActivationManager *self = data; - AppLauncher *app_launcher = app_launcher_get_default(); - AppInfo *app_info; - struct dbus_runtime_data *runtime_data; - - g_return_if_fail(APPLAUNCHD_IS_DBUS_ACTIVATION_MANAGER(self)); - g_return_if_fail(APPLAUNCHD_IS_APP_LAUNCHER(app_launcher)); - - app_info = app_launcher_get_app_info(app_launcher, name); - g_return_if_fail(APPLAUNCHD_IS_APP_INFO(app_info)); - - runtime_data = app_info_get_runtime_data(app_info); - - g_debug("Application '%s' appeared on D-Bus", name); - app_info_set_status(app_info, APP_STATUS_RUNNING); - dbus_activation_manager_activate_app(self, app_info); - g_signal_emit(self, signals[STARTED], 0, app_info_get_app_id(app_info)); -} - -/* - * Public functions - */ - -DBusActivationManager *dbus_activation_manager_new(void) -{ - return g_object_new(APPLAUNCHD_TYPE_DBUS_ACTIVATION_MANAGER, NULL); -} - -/* - * Start an application using D-Bus activation. - */ -gboolean dbus_activation_manager_start_app(DBusActivationManager *self, - AppInfo *app_info) -{ - g_return_val_if_fail(APPLAUNCHD_IS_DBUS_ACTIVATION_MANAGER(self), FALSE); - g_return_val_if_fail(APPLAUNCHD_IS_APP_INFO(app_info), FALSE); - - g_autoptr(GError) error = NULL; - const gchar *app_id = app_info_get_app_id(app_info); - struct dbus_runtime_data *runtime_data = g_new0(struct dbus_runtime_data, 1); - - if (!runtime_data) { - g_critical("Unable to allocate runtime data structure for '%s'", - app_id); - return FALSE; - } - - /* - * g_bus_watch_name() requests D-Bus activation (due to - * G_BUS_NAME_WATCHER_FLAGS_AUTO_START) and subscribes to name - * owner changes so we get notified when the requested application - * appears and vanishes from D-Bus. - */ - runtime_data->watcher = g_bus_watch_name(G_BUS_TYPE_SESSION, app_id, - G_BUS_NAME_WATCHER_FLAGS_AUTO_START, - dbus_activation_manager_app_started_cb, - dbus_activation_manager_app_terminated_cb, - self, NULL); - if (runtime_data->watcher == 0) { - g_critical("Unable to request D-Bus activation for '%s'", app_id); - dbus_activation_manager_free_runtime_data(runtime_data); - return FALSE; - } - - /* Update application status */ - app_info_set_status(app_info, APP_STATUS_STARTING); - app_info_set_runtime_data(app_info, runtime_data); - - return TRUE; -} - -/* - * Once an application has been started through D-Bus, we must activate it - * so it shows its main window, if any. - * This function doesn't raise an error as headless applications will likely - * not implement the org.freedesktop.Application interface. - */ -gboolean dbus_activation_manager_activate_app(DBusActivationManager *self, - AppInfo *app) -{ - g_return_val_if_fail(APPLAUNCHD_IS_DBUS_ACTIVATION_MANAGER(self), FALSE); - g_return_val_if_fail(APPLAUNCHD_IS_APP_INFO(app), FALSE); - - g_autoptr(GError) error = NULL; - struct dbus_runtime_data *runtime_data = app_info_get_runtime_data(app); - const gchar *app_id = app_info_get_app_id(app); - - g_return_val_if_fail(runtime_data != NULL, FALSE); - - /* Base object for interface "org.example.Iface" is "/org/example/Iface" */ - g_autofree gchar *path = g_strconcat("/", app_id, NULL); - g_strdelimit(path, ".", '/'); - - if (!runtime_data->fdo_proxy) { - runtime_data->fdo_proxy = - fdo_application_proxy_new_for_bus_sync(G_BUS_TYPE_SESSION, - G_DBUS_PROXY_FLAGS_NONE, - app_id, path, NULL, - &error); - } - - if (runtime_data->fdo_proxy) { - GVariantDict dict; - - g_variant_dict_init(&dict, NULL); - - fdo_application_call_activate_sync (runtime_data->fdo_proxy, - g_variant_dict_end(&dict), - NULL, &error); - if (error) { - g_warning("Error activating application %s: %s", app_id, - error->message); - } - } else if (error) { - g_warning("Error creating D-Bus proxy for %s: %s", app_id, - error->message); - } - - return TRUE; -} - -void dbus_activation_manager_free_runtime_data(gpointer data) -{ - struct dbus_runtime_data *runtime_data = data; - - g_return_if_fail(runtime_data != NULL); - - g_clear_object(&runtime_data->fdo_proxy); - if (runtime_data->watcher > 0) - g_bus_unwatch_name(runtime_data->watcher); - g_free(runtime_data); -} |