EClientSelector: Pre-fetch selected clients.

1 files changed, 51 insertions, 0 deletions

diff --git a/e-util/e-client-selector.c b/e-util/e-client-selector.c
index e164c80249..6ea98eaef9 100644
--- a/e-util/e-client-selector.c
+++ b/e-util/e-client-selector.c
@@ -141,6 +141,21 @@ client_selector_client_notify_cb (EClientCache *client_cache,
 }
 
 static void
+client_selector_prefetch_cb (GObject *source_object,
+                             GAsyncResult *result,
+                             gpointer user_data)
+{
+	EClient *client;
+
+	/* We don't care about errors here.  this is just to try and
+	 * get the EClient instances we'll need cached ahead of time. */
+	client = e_client_selector_get_client_finish (
+		E_CLIENT_SELECTOR (source_object), result, NULL);
+
+	g_clear_object (&client);
+}
+
+static void
 client_selector_set_client_cache (EClientSelector *selector,
                                   EClientCache *client_cache)
 {
@@ -224,9 +239,12 @@ client_selector_constructed (GObject *object)
 {
 	EClientSelector *selector;
 	EClientCache *client_cache;
+	ESourceRegistry *registry;
 	GtkTreeView *tree_view;
 	GtkTreeViewColumn *column;
 	GtkCellRenderer *renderer;
+	const gchar *extension_name;
+	GList *list, *link;
 	gulong handler_id;
 
 	selector = E_CLIENT_SELECTOR (object);
@@ -270,6 +288,39 @@ client_selector_constructed (GObject *object)
 	selector->priv->client_notify_online_handler_id = handler_id;
 
 	g_object_unref (client_cache);
+
+	/* Pre-fetch EClient instances for all relevant ESources.
+	 * This is just to try and make sure they get cache ahead
+	 * of time, so we need not worry about reporting errors. */
+
+	registry = e_source_selector_get_registry (
+		E_SOURCE_SELECTOR (selector));
+	extension_name = e_source_selector_get_extension_name (
+		E_SOURCE_SELECTOR (selector));
+
+	list = e_source_registry_list_sources (registry, extension_name);
+
+	for (link = list; link != NULL; link = g_list_next (link)) {
+		ESource *source = E_SOURCE (link->data);
+		ESourceExtension *extension;
+
+		extension = e_source_get_extension (source, extension_name);
+
+		/* If selectable, skip unselected sources. */
+		if (E_IS_SOURCE_SELECTABLE (extension)) {
+			ESourceSelectable *selectable;
+
+			selectable = E_SOURCE_SELECTABLE (extension);
+			if (!e_source_selectable_get_selected (selectable))
+				continue;
+		}
+
+		e_client_selector_get_client (
+			selector, source, NULL,
+			client_selector_prefetch_cb, NULL);
+	}
+
+	g_list_free_full (list, (GDestroyNotify) g_object_unref);
 }
 
 static void