diff options
Diffstat (limited to 'src/im-application-list.c')
-rw-r--r-- | src/im-application-list.c | 509 |
1 files changed, 509 insertions, 0 deletions
diff --git a/src/im-application-list.c b/src/im-application-list.c new file mode 100644 index 0000000..732a117 --- /dev/null +++ b/src/im-application-list.c @@ -0,0 +1,509 @@ +/* + * Copyright 2012 Canonical Ltd. + * + * This program is free software: you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 3, as published + * by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranties of + * MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR + * PURPOSE. See the GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. + * + * Authors: + * Lars Uebernickel <lars.uebernickel@canonical.com> + */ + +#include "im-application-list.h" + +#include "indicator-messages-application.h" +#include "gactionmuxer.h" + +#include <gio/gdesktopappinfo.h> + +typedef GObjectClass ImApplicationListClass; + +struct _ImApplicationList +{ + GObject parent; + + GHashTable *applications; + GActionMuxer *muxer; +}; + +G_DEFINE_TYPE (ImApplicationList, im_application_list, G_TYPE_OBJECT); + +enum +{ + SOURCE_ADDED, + SOURCE_CHANGED, + SOURCE_REMOVED, + MESSAGE_ADDED, + MESSAGE_REMOVED, + APP_STOPPED, + N_SIGNALS +}; + +static guint signals[N_SIGNALS]; + +typedef struct +{ + ImApplicationList *list; + GDesktopAppInfo *info; + IndicatorMessagesApplication *proxy; + GSimpleActionGroup *actions; + GCancellable *cancellable; +} Application; + +static void +application_free (gpointer data) +{ + Application *app = data; + + if (!app) + return; + + g_clear_object (&app->info); + + if (app->cancellable) + { + g_cancellable_cancel (app->cancellable); + g_clear_object (&app->cancellable); + } + + if (app->proxy) + g_object_unref (app->proxy); + + if (app->actions) + g_object_unref (app->actions); + + g_slice_free (Application, app); +} + +static void +im_application_list_dispose (GObject *object) +{ + ImApplicationList *list = IM_APPLICATION_LIST (object); + + g_clear_pointer (&list->applications, g_hash_table_unref); + g_clear_object (&list->muxer); + + G_OBJECT_CLASS (im_application_list_parent_class)->dispose (object); +} + +static void +im_application_list_finalize (GObject *object) +{ + G_OBJECT_CLASS (im_application_list_parent_class)->finalize (object); +} + +static void +im_application_list_class_init (ImApplicationListClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + object_class->dispose = im_application_list_dispose; + object_class->finalize = im_application_list_finalize; + + signals[SOURCE_ADDED] = g_signal_new ("source-added", + IM_TYPE_APPLICATION_LIST, + G_SIGNAL_RUN_FIRST, + 0, + NULL, NULL, + g_cclosure_marshal_generic, + G_TYPE_NONE, + 4, + G_TYPE_DESKTOP_APP_INFO, + G_TYPE_STRING, + G_TYPE_STRING, + G_TYPE_STRING); + + signals[SOURCE_CHANGED] = g_signal_new ("source-changed", + IM_TYPE_APPLICATION_LIST, + G_SIGNAL_RUN_FIRST, + 0, + NULL, NULL, + g_cclosure_marshal_generic, + G_TYPE_NONE, + 4, + G_TYPE_DESKTOP_APP_INFO, + G_TYPE_STRING, + G_TYPE_STRING, + G_TYPE_STRING); + + signals[SOURCE_REMOVED] = g_signal_new ("source-removed", + IM_TYPE_APPLICATION_LIST, + G_SIGNAL_RUN_FIRST, + 0, + NULL, NULL, + g_cclosure_marshal_generic, + G_TYPE_NONE, + 2, + G_TYPE_DESKTOP_APP_INFO, + G_TYPE_STRING); + + signals[MESSAGE_ADDED] = g_signal_new ("message-added", + IM_TYPE_APPLICATION_LIST, + G_SIGNAL_RUN_FIRST, + 0, + NULL, NULL, + g_cclosure_marshal_generic, + G_TYPE_NONE, + 8, + G_TYPE_DESKTOP_APP_INFO, + G_TYPE_STRING, + G_TYPE_STRING, + G_TYPE_STRING, + G_TYPE_STRING, + G_TYPE_STRING, + G_TYPE_INT64, + G_TYPE_BOOLEAN); + + signals[MESSAGE_REMOVED] = g_signal_new ("message-removed", + IM_TYPE_APPLICATION_LIST, + G_SIGNAL_RUN_FIRST, + 0, + NULL, NULL, + g_cclosure_marshal_generic, + G_TYPE_NONE, + 2, + G_TYPE_DESKTOP_APP_INFO, + G_TYPE_STRING); + + signals[APP_STOPPED] = g_signal_new ("app-stopped", + IM_TYPE_APPLICATION_LIST, + G_SIGNAL_RUN_FIRST, + 0, + NULL, NULL, + g_cclosure_marshal_VOID__OBJECT, + G_TYPE_NONE, + 1, + G_TYPE_DESKTOP_APP_INFO); +} + +static void +im_application_list_init (ImApplicationList *list) +{ + list->applications = g_hash_table_new_full (g_str_hash, g_str_equal, NULL, application_free); + list->muxer = g_action_muxer_new (); +} + +ImApplicationList * +im_application_list_new (void) +{ + return g_object_new (IM_TYPE_APPLICATION_LIST, NULL); +} + +void +im_application_list_add (ImApplicationList *list, + const gchar *desktop_id) +{ + GDesktopAppInfo *info; + Application *app; + const gchar *id; + + g_return_if_fail (IM_IS_APPLICATION_LIST (list)); + g_return_if_fail (desktop_id != NULL); + + app = g_hash_table_lookup (list->applications, desktop_id); + if (app) + return; + + info = g_desktop_app_info_new (desktop_id); + if (!info) + { + g_warning ("an application with id '%s' is not installed", desktop_id); + return; + } + + id = g_app_info_get_id (G_APP_INFO (info)); + + app = g_slice_new0 (Application); + app->list = list; + app->info = info; + app->actions = g_simple_action_group_new (); + + g_hash_table_insert (list->applications, (gpointer) id, app); + g_action_muxer_insert (list->muxer, id, G_ACTION_GROUP (app->actions)); +} + +void +im_application_list_remove (ImApplicationList *list, + const gchar *id) +{ + Application *app; + + g_return_if_fail (IM_IS_APPLICATION_LIST (list)); + + app = g_hash_table_lookup (list->applications, id); + if (app) + { + if (app->proxy || app->cancellable) + g_signal_emit (app->list, signals[APP_STOPPED], 0, app->info); + + g_hash_table_remove (list->applications, id); + g_action_muxer_remove (list->muxer, id); + } +} + +static void +im_application_list_source_added (Application *app, + guint position, + GVariant *source) +{ + const gchar *id; + const gchar *label; + const gchar *iconstr; + guint32 count; + gint64 time; + const gchar *string; + gboolean draws_attention; + GSimpleAction *action; + + g_variant_get (source, "(&s&s&sux&sb)", + &id, &label, &iconstr, &count, &time, &string, &draws_attention); + + action = g_simple_action_new_stateful (id, NULL, g_variant_new_uint32 (count)); + g_simple_action_group_insert (app->actions, G_ACTION (action)); + + g_signal_emit (app->list, signals[SOURCE_ADDED], 0, app->info, id, label, iconstr); + + g_object_unref (action); +} + +static void +im_application_list_source_changed (Application *app, + GVariant *source) +{ + const gchar *id; + const gchar *label; + const gchar *iconstr; + guint32 count; + gint64 time; + const gchar *string; + gboolean draws_attention; + + g_variant_get (source, "(&s&s&sux&sb)", + &id, &label, &iconstr, &count, &time, &string, &draws_attention); + + g_action_group_change_action_state (G_ACTION_GROUP (app->actions), id, + g_variant_new_uint32 (count)); + + g_signal_emit (app->list, signals[SOURCE_CHANGED], 0, app->info, id, label, iconstr); +} + +static void +im_application_list_source_removed (Application *app, + const gchar *id) +{ + g_simple_action_group_remove (app->actions, id); + + g_signal_emit (app->list, signals[SOURCE_REMOVED], 0, app->info, id); +} + +static void +im_application_list_sources_listed (GObject *source_object, + GAsyncResult *result, + gpointer user_data) +{ + Application *app = user_data; + GVariant *sources; + GError *error = NULL; + + if (indicator_messages_application_call_list_sources_finish (app->proxy, &sources, result, &error)) + { + GVariantIter iter; + GVariant *source; + guint i = 0; + + g_variant_iter_init (&iter, sources); + while ((source = g_variant_iter_next_value (&iter))) + { + im_application_list_source_added (app, i++, source); + g_variant_unref (source); + } + + g_variant_unref (sources); + } + else + { + g_warning ("could not fetch the list of sources: %s", error->message); + g_error_free (error); + } +} + +static void +im_application_list_message_added (Application *app, + GVariant *message) +{ + const gchar *id; + const gchar *iconstr; + const gchar *title; + const gchar *subtitle; + const gchar *body; + gint64 time; + gboolean draws_attention; + GSimpleAction *action; + + g_variant_get (message, "(&s&s&s&s&sxb)", + &id, &iconstr, &title, &subtitle, &body, &time, &draws_attention); + + action = g_simple_action_new (id, NULL); + g_simple_action_group_insert (G_SIMPLE_ACTION_GROUP (app->actions), G_ACTION (action)); + + g_signal_emit (app->list, signals[MESSAGE_ADDED], 0, + app->info, id, iconstr, title, subtitle, body, time, draws_attention); + + g_object_unref (action); +} + +static void +im_application_list_message_removed (Application *app, + const gchar *id) +{ + g_simple_action_group_remove (app->actions, id); + + g_signal_emit (app->list, signals[MESSAGE_REMOVED], 0, app->info, id); +} + +static void +im_application_list_messages_listed (GObject *source_object, + GAsyncResult *result, + gpointer user_data) +{ + Application *app = user_data; + GVariant *messages; + GError *error = NULL; + + if (indicator_messages_application_call_list_messages_finish (app->proxy, &messages, result, &error)) + { + GVariantIter iter; + GVariant *message; + + g_variant_iter_init (&iter, messages); + while ((message = g_variant_iter_next_value (&iter))) + { + im_application_list_message_added (app, message); + g_variant_unref (message); + } + + g_variant_unref (messages); + } + else + { + g_warning ("could not fetch the list of messages: %s", error->message); + g_error_free (error); + } +} + +static void +im_application_list_unset_remote (Application *app) +{ + gboolean was_running; + + was_running = app->proxy || app->cancellable; + + if (app->cancellable) + { + g_cancellable_cancel (app->cancellable); + g_clear_object (&app->cancellable); + } + g_clear_object (&app->proxy); + + /* clear actions by creating a new action group and overriding it in + * the muxer */ + g_object_unref (app->actions); + app->actions = g_simple_action_group_new (); + g_action_muxer_insert (app->list->muxer, + g_app_info_get_id (G_APP_INFO (app->info)), + G_ACTION_GROUP (app->actions)); + + if (was_running) + g_signal_emit (app->list, signals[APP_STOPPED], 0, app->info); +} + +static void +im_application_list_app_vanished (GDBusConnection *connection, + const gchar *name, + gpointer user_data) +{ + Application *app = user_data; + + im_application_list_unset_remote (app); +} + +static void +im_application_list_proxy_created (GObject *source_object, + GAsyncResult *result, + gpointer user_data) +{ + Application *app = user_data; + GError *error = NULL; + + app->proxy = indicator_messages_application_proxy_new_finish (result, &error); + if (!app) + { + g_warning ("could not create application proxy: %s", error->message); + g_error_free (error); + return; + } + + indicator_messages_application_call_list_sources (app->proxy, app->cancellable, + im_application_list_sources_listed, app); + indicator_messages_application_call_list_messages (app->proxy, app->cancellable, + im_application_list_messages_listed, app); + + g_signal_connect_swapped (app->proxy, "source-added", G_CALLBACK (im_application_list_source_added), app); + g_signal_connect_swapped (app->proxy, "source-changed", G_CALLBACK (im_application_list_source_changed), app); + g_signal_connect_swapped (app->proxy, "source-removed", G_CALLBACK (im_application_list_source_removed), app); + g_signal_connect_swapped (app->proxy, "message-added", G_CALLBACK (im_application_list_message_added), app); + g_signal_connect_swapped (app->proxy, "message-removed", G_CALLBACK (im_application_list_message_removed), app); + + g_bus_watch_name_on_connection (g_dbus_proxy_get_connection (G_DBUS_PROXY (app->proxy)), + g_dbus_proxy_get_name (G_DBUS_PROXY (app->proxy)), + G_BUS_NAME_WATCHER_FLAGS_NONE, + NULL, im_application_list_app_vanished, + app, NULL); +} + +void +im_application_list_set_remote (ImApplicationList *list, + const gchar *id, + GDBusConnection *connection, + const gchar *unique_bus_name, + const gchar *object_path) +{ + Application *app; + + g_return_if_fail (IM_IS_APPLICATION_LIST (list)); + + app = g_hash_table_lookup (list->applications, id); + if (!app) + { + g_warning ("'%s' is not a registered application", id); + return; + } + + if (app->proxy || app->cancellable) + { + g_warning ("replacing '%s' at %s with %s", id, unique_bus_name, + g_dbus_proxy_get_name_owner (G_DBUS_PROXY (app->proxy))); + im_application_list_unset_remote (app); + } + + app->cancellable = g_cancellable_new (); + indicator_messages_application_proxy_new (connection, G_DBUS_PROXY_FLAGS_NONE, + unique_bus_name, object_path, app->cancellable, + im_application_list_proxy_created, app); +} + +GActionGroup * +im_application_list_get_action_group (ImApplicationList *list) +{ + g_return_val_if_fail (IM_IS_APPLICATION_LIST (list), NULL); + + return G_ACTION_GROUP (list->muxer); +} |