[ fixes #20347 ] hook up the backend_died signal. (backend_died): new

2002-08-29  Chris Toshok  <toshok@ximian.com>

	[ fixes #20347 ]
	* gui/widgets/e-addressbook-view.c (e_addressbook_view_init): hook
	up the backend_died signal.
	(backend_died): new function, pop up an error dialog saying the
	backend died.

	* gui/widgets/e-addressbook-model.c (backend_died): new function,
	emit the backend_died signal.
	(e_addressbook_model_class_init): create the backend_died signal.
	(e_addressbook_model_init): init backend_died_id
	(e_addressbook_model_set_arg): disconnect the backend_died signal
	from the old book and hook it up to the new book.

	* gui/widgets/e-addressbook-model.h: add the backend_died signal.

	* backend/ebook/e-book.c (backend_died_cb): new function, emit the
	backend_died signal.
	(e_book_do_response_open): create the component listener and hook
	up the backend_died signal.
	(e_book_destroy): disconnect the component listener and unref it.

	* backend/ebook/e-book.h: add backend_died signal.

svn path=/trunk/; revision=17918

1 files changed, 17 insertions, 0 deletions

diff --git a/addressbook/gui/widgets/e-addressbook-view.c b/addressbook/gui/widgets/e-addressbook-view.c
index c8052b4216..f12a324953 100644
--- a/addressbook/gui/widgets/e-addressbook-view.c
+++ b/addressbook/gui/widgets/e-addressbook-view.c
@@ -83,6 +83,7 @@ static void search_result      (GtkObject *object, EBookViewStatus status, EAddr
 static void folder_bar_message (GtkObject *object, const gchar *status, EAddressbookView *eav);
 static void stop_state_changed (GtkObject *object, EAddressbookView *eav);
 static void writable_status (GtkObject *object, gboolean writable, EAddressbookView *eav);
+static void backend_died (GtkObject *object, EAddressbookView *eav);
 static void command_state_change (EAddressbookView *eav);
 static void alphabet_state_change (EAddressbookView *eav, gunichar letter);
 
@@ -252,6 +253,11 @@ e_addressbook_view_init (EAddressbookView *eav)
 			    GTK_SIGNAL_FUNC (writable_status),
 			    eav);
 
+	gtk_signal_connect (GTK_OBJECT(eav->model),
+			    "backend_died",
+			    GTK_SIGNAL_FUNC (backend_died),
+			    eav);
+
 	eav->editable = FALSE;
 	eav->book = NULL;
 	eav->query = g_strdup (SHOW_ALL_SEARCH);
@@ -1361,6 +1367,17 @@ alphabet_state_change (EAddressbookView *eav, gunichar letter)
 }
 
 static void
+backend_died (GtkObject *object, EAddressbookView *eav)
+{
+	char *message = g_strdup_printf (_("The addressbook backend for\n%s\nhas crashed. "
+					   "You will have to restart Evolution in order "
+					   "to use it again"),
+					 e_book_get_uri (eav->book));
+        gnome_error_dialog_parented (message, GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (eav))));
+        g_free (message);
+}
+
+static void
 create_table_view (EAddressbookView *view)
 {
 	ETableModel *adapter;