From d22b49e5fee5ae352ec6050e63181850a857fb3a Mon Sep 17 00:00:00 2001
From: Lars Uebernickel <lars.uebernickel@canonical.com>
Date: Wed, 21 Nov 2012 00:02:12 +0100
Subject: Remove applications from the menu when the disappear from the bus

---
 src/im-application-list.c | 42 ++++++++++++++++++++++++++++++++++++++++++
 src/im-phone-menu.c       | 43 +++++++++++++++++++++++++++++++++++++++++++
 src/im-phone-menu.h       |  3 +++
 src/messages-service.c    |  2 ++
 4 files changed, 90 insertions(+)

(limited to 'src')

diff --git a/src/im-application-list.c b/src/im-application-list.c
index 920626d..6da2950 100644
--- a/src/im-application-list.c
+++ b/src/im-application-list.c
@@ -43,6 +43,7 @@ enum
   SOURCE_REMOVED,
   MESSAGE_ADDED,
   MESSAGE_REMOVED,
+  APP_STOPPED,
   N_SIGNALS
 };
 
@@ -179,6 +180,16 @@ im_application_list_class_init (ImApplicationListClass *klass)
                                            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
@@ -393,6 +404,31 @@ im_application_list_messages_listed (GObject      *source_object,
     }
 }
 
+static void
+im_application_list_app_vanished (GDBusConnection *connection,
+                                  const gchar     *name,
+                                  gpointer         user_data)
+{
+  Application *app = user_data;
+
+  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));
+
+  g_signal_emit (app->list, signals[APP_STOPPED], 0, app->info);
+}
+
 static void
 im_application_list_proxy_created (GObject      *source_object,
                                    GAsyncResult *result,
@@ -419,6 +455,12 @@ im_application_list_proxy_created (GObject      *source_object,
   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
diff --git a/src/im-phone-menu.c b/src/im-phone-menu.c
index abb3a11..43b7a6c 100644
--- a/src/im-phone-menu.c
+++ b/src/im-phone-menu.c
@@ -214,3 +214,46 @@ im_phone_menu_remove_source (ImPhoneMenu     *menu,
 
   g_free (action_name);
 }
+
+static void
+im_phone_menu_remove_all_for_app (GMenu           *menu,
+                                  GDesktopAppInfo *app)
+{
+  gchar *prefix;
+  gint n_items;
+  gint i = 0;
+
+  prefix = g_strconcat (g_app_info_get_id (G_APP_INFO (app)), ".", NULL);
+
+  n_items = g_menu_model_get_n_items (G_MENU_MODEL (menu));
+  while (i < n_items)
+    {
+      gchar *action;
+
+      g_menu_model_get_item_attribute (G_MENU_MODEL (menu), i, G_MENU_ATTRIBUTE_ACTION, "s", &action);
+      if (g_str_has_prefix (action, prefix))
+        {
+          g_menu_remove (menu, i);
+          n_items--;
+        }
+      else
+        {
+          i++;
+        }
+
+      g_free (action);
+    }
+
+  g_free (prefix);
+}
+
+void
+im_phone_menu_remove_application (ImPhoneMenu     *menu,
+                                  GDesktopAppInfo *app)
+{
+  g_return_if_fail (IM_IS_PHONE_MENU (menu));
+  g_return_if_fail (G_IS_DESKTOP_APP_INFO (app));
+
+  im_phone_menu_remove_all_for_app (menu->source_section, app);
+  im_phone_menu_remove_all_for_app (menu->message_section, app);
+}
diff --git a/src/im-phone-menu.h b/src/im-phone-menu.h
index f7cc645..91aae2c 100644
--- a/src/im-phone-menu.h
+++ b/src/im-phone-menu.h
@@ -64,4 +64,7 @@ void                im_phone_menu_remove_source         (ImPhoneMenu        *men
                                                          GDesktopAppInfo    *app,
                                                          const gchar        *id);
 
+void                im_phone_menu_remove_application    (ImPhoneMenu     *menu,
+                                                         GDesktopAppInfo *app);
+
 #endif
diff --git a/src/messages-service.c b/src/messages-service.c
index 467224d..18f3d0a 100644
--- a/src/messages-service.c
+++ b/src/messages-service.c
@@ -273,6 +273,8 @@ main (int argc, char ** argv)
 				  G_CALLBACK (im_phone_menu_add_message), menu);
 	g_signal_connect_swapped (applications, "message-removed",
 				  G_CALLBACK (im_phone_menu_remove_message), menu);
+	g_signal_connect_swapped (applications, "app-stopped",
+				  G_CALLBACK (im_phone_menu_remove_application), menu);
 
 	g_main_loop_run(mainloop);
 
-- 
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