src: Give the Provider to the CallWindow on construction

This allows us to get rid of the signals on the MainWindow and
simplifies things dramatically.

src/calls-main-window.c

@@ -60,14 +60,6 @@ enum {
 static GParamSpec *props[PROP_LAST_PROP];
 
 
-enum {
-  SIGNAL_CALL_ADDED,
-  SIGNAL_CALL_REMOVED,
-  SIGNAL_LAST_SIGNAL,
-};
-static guint signals [SIGNAL_LAST_SIGNAL];
-
-
 static void
 about_action (GSimpleAction *action,
               GVariant      *parameter,
@@ -175,8 +167,6 @@ info_response_cb (GtkInfoBar      *infobar,
 static void
 add_call (CallsMainWindow *self, CallsCall *call)
 {
-  g_signal_emit (self, signals[SIGNAL_CALL_ADDED], 0, call);
-
   g_signal_connect_swapped (call, "message",
                             G_CALLBACK (show_message), self);
 }
@@ -188,8 +178,6 @@ remove_call (CallsMainWindow *self, CallsCall *call, const gchar *reason)
   g_return_if_fail (CALLS_IS_MAIN_WINDOW (self));
   g_return_if_fail (CALLS_IS_CALL (call));
 
-  g_signal_emit (self, signals[SIGNAL_CALL_REMOVED], 0, call, reason);
-
   show_message(self, reason, GTK_MESSAGE_INFO);
 }
 
@@ -345,28 +333,6 @@ calls_main_window_class_init (CallsMainWindowClass *klass)
   g_object_class_install_properties (object_class, PROP_LAST_PROP, props);
 
 
-  signals[SIGNAL_CALL_ADDED] =
-    g_signal_new ("call-added",
-                  G_TYPE_FROM_CLASS (klass),
-                  G_SIGNAL_RUN_LAST,
-                  0,
-                  NULL, NULL, NULL,
-                  G_TYPE_NONE,
-                  1,
-                  CALLS_TYPE_CALL);
-
-  signals[SIGNAL_CALL_REMOVED] =
-    g_signal_new ("call-removed",
-                  G_TYPE_FROM_CLASS (klass),
-                  G_SIGNAL_RUN_LAST,
-                  0,
-                  NULL, NULL, NULL,
-                  G_TYPE_NONE,
-                  2,
-                  CALLS_TYPE_CALL,
-                  G_TYPE_STRING);
-
-
   gtk_widget_class_set_template_from_resource (widget_class, "/sm/puri/calls/ui/main-window.ui");
   gtk_widget_class_bind_template_child (widget_class, CallsMainWindow, info);
   gtk_widget_class_bind_template_child (widget_class, CallsMainWindow, info_label);