[evolution] Postpone ENameSelector loading as much as possible

[Milan Crha <mcrha src gnome org>]

commit 4778e69589b8d5fca5b59cdb664b8e6e39a4697f
Author: Milan Crha <mcrha redhat com>
Date:   Thu Jun 23 18:30:36 2011 +0200

    Postpone ENameSelector loading as much as possible
    
    Also fixes few memory leaks around ENameSelector and cancels
    loading of its address books when not needed any more.

 .../contact-list-editor/e-contact-list-editor.c    |   10 ++--------
 calendar/gui/dialogs/alarm-dialog.c                |    5 +++++
 calendar/gui/dialogs/e-delegate-dialog.c           |    2 ++
 calendar/gui/dialogs/memo-page.c                   |    6 ++++++
 calendar/gui/e-meeting-list-view.c                 |   14 ++++++++++++++
 composer/e-composer-header-table.c                 |   15 +++++++++++++++
 6 files changed, 44 insertions(+), 8 deletions(-)
---
diff --git a/addressbook/gui/contact-list-editor/e-contact-list-editor.c b/addressbook/gui/contact-list-editor/e-contact-list-editor.c
index a4f30ca..a6a9cec 100644
--- a/addressbook/gui/contact-list-editor/e-contact-list-editor.c
+++ b/addressbook/gui/contact-list-editor/e-contact-list-editor.c
@@ -1133,7 +1133,6 @@ setup_custom_widgets (EContactListEditor *editor)
 	GtkWidget *combo_box;
 	ESourceList *source_list;
 	ENameSelectorEntry *name_selector_entry;
-	ENameSelector *name_selector;
 	GtkWidget *old, *parent;
 	EContactListEditorPrivate *priv;
 	GError *error = NULL;
@@ -1162,14 +1161,8 @@ setup_custom_widgets (EContactListEditor *editor)
 	old = CONTACT_LIST_EDITOR_WIDGET (editor, "email-entry");
 	g_return_if_fail (old != NULL);
 
-	name_selector = e_name_selector_new ();
-
-	e_name_selector_model_add_section (
-		e_name_selector_peek_model (name_selector),
-		"Members", _("_Members"), NULL);
-
 	name_selector_entry = e_name_selector_peek_section_entry (
-		name_selector, "Members");
+		priv->name_selector, "Members");
 
 	gtk_widget_set_name (
 		GTK_WIDGET (name_selector_entry),
@@ -1316,6 +1309,7 @@ contact_list_editor_dispose (GObject *object)
 	EContactListEditorPrivate *priv = editor->priv;
 
 	if (priv->name_selector) {
+		e_name_selector_cancel_loading (priv->name_selector);
 		g_object_unref (priv->name_selector);
 		priv->name_selector = NULL;
 	}
diff --git a/calendar/gui/dialogs/alarm-dialog.c b/calendar/gui/dialogs/alarm-dialog.c
index 564c4dd..ec57b11 100644
--- a/calendar/gui/dialogs/alarm-dialog.c
+++ b/calendar/gui/dialogs/alarm-dialog.c
@@ -903,6 +903,7 @@ setup_select_names (Dialog *dialog)
 	ENameSelectorDialog *name_selector_dialog;
 
 	dialog->name_selector = e_name_selector_new ();
+	e_name_selector_load_books (dialog->name_selector);
 	name_selector_model = e_name_selector_peek_model (dialog->name_selector);
 
 	e_name_selector_model_add_section (name_selector_model, section_name, section_name, NULL);
@@ -1229,6 +1230,10 @@ alarm_dialog_run (GtkWidget *parent, ECalClient *cal_client, ECalComponentAlarm
 	if (response_id == GTK_RESPONSE_OK)
 		dialog_to_alarm (&dialog);
 
+	if (dialog.name_selector) {
+		e_name_selector_cancel_loading (dialog.name_selector);
+		g_object_unref (dialog.name_selector);
+	}
 	gtk_widget_destroy (dialog.toplevel);
 	g_object_unref (dialog.builder);
 
diff --git a/calendar/gui/dialogs/e-delegate-dialog.c b/calendar/gui/dialogs/e-delegate-dialog.c
index 2bca1c9..da6eeea 100644
--- a/calendar/gui/dialogs/e-delegate-dialog.c
+++ b/calendar/gui/dialogs/e-delegate-dialog.c
@@ -96,6 +96,7 @@ e_delegate_dialog_finalize (GObject *object)
 	edd = E_DELEGATE_DIALOG (object);
 	priv = edd->priv;
 
+	e_name_selector_cancel_loading (priv->name_selector);
 	g_object_unref (priv->name_selector);
 
 	/* Destroy the actual dialog. */
@@ -137,6 +138,7 @@ e_delegate_dialog_construct (EDelegateDialog *edd, const gchar *name, const gcha
 	}
 
 	priv->name_selector = e_name_selector_new ();
+	e_name_selector_load_books (priv->name_selector);
 	name_selector_model = e_name_selector_peek_model (priv->name_selector);
 	e_name_selector_model_add_section (name_selector_model, section_name, section_name, NULL);
 
diff --git a/calendar/gui/dialogs/memo-page.c b/calendar/gui/dialogs/memo-page.c
index d720e91..3a53421 100644
--- a/calendar/gui/dialogs/memo-page.c
+++ b/calendar/gui/dialogs/memo-page.c
@@ -202,6 +202,12 @@ memo_page_finalize (GObject *object)
 
 	priv = MEMO_PAGE (object)->priv;
 
+	if (priv->name_selector) {
+		e_name_selector_cancel_loading (priv->name_selector);
+		g_object_unref (priv->name_selector);
+		priv->name_selector = NULL;
+	}
+
 	if (priv->main != NULL) {
 		g_object_unref (priv->main);
 		priv->main = NULL;
diff --git a/calendar/gui/e-meeting-list-view.c b/calendar/gui/e-meeting-list-view.c
index 11f47e6..5283b5e 100644
--- a/calendar/gui/e-meeting-list-view.c
+++ b/calendar/gui/e-meeting-list-view.c
@@ -82,6 +82,7 @@ e_meeting_list_view_finalize (GObject *obj)
 	EMeetingListViewPrivate *priv = view->priv;
 
 	if (priv->name_selector) {
+		e_name_selector_cancel_loading (priv->name_selector);
 		g_object_unref (priv->name_selector);
 		priv->name_selector = NULL;
 	}
@@ -127,6 +128,17 @@ add_section (ENameSelector *name_selector, const gchar *name)
 }
 
 static void
+meeting_list_view_realize_cb (EMeetingListView *view)
+{
+	g_return_if_fail (view != NULL);
+	g_return_if_fail (view->priv != NULL);
+
+	g_signal_handlers_disconnect_by_func (view, meeting_list_view_realize_cb, NULL);
+
+	e_name_selector_load_books (view->priv->name_selector);
+}
+
+static void
 e_meeting_list_view_init (EMeetingListView *view)
 {
 	EMeetingListViewPrivate *priv;
@@ -149,6 +161,8 @@ e_meeting_list_view_init (EMeetingListView *view)
 	g_signal_connect (name_selector_dialog, "response",
 			  G_CALLBACK (name_selector_dialog_close_cb), view);
 
+	/* postpone name_selector loading, do that only when really needed */
+	g_signal_connect (view, "realize", G_CALLBACK (meeting_list_view_realize_cb), NULL);
 }
 
 static GList *
diff --git a/composer/e-composer-header-table.c b/composer/e-composer-header-table.c
index 78404a6..c87abcf 100644
--- a/composer/e-composer-header-table.c
+++ b/composer/e-composer-header-table.c
@@ -825,6 +825,7 @@ composer_header_table_dispose (GObject *object)
 	}
 
 	if (priv->name_selector != NULL) {
+		e_name_selector_cancel_loading (priv->name_selector);
 		g_object_unref (priv->name_selector);
 		priv->name_selector = NULL;
 	}
@@ -991,6 +992,17 @@ e_composer_header_table_class_init (EComposerHeaderTableClass *class)
 }
 
 static void
+composer_header_table_realize_cb (EComposerHeaderTable *table)
+{
+	g_return_if_fail (table != NULL);
+	g_return_if_fail (table->priv != NULL);
+
+	g_signal_handlers_disconnect_by_func (table, composer_header_table_realize_cb, NULL);
+
+	e_name_selector_load_books (table->priv->name_selector);
+}
+
+static void
 e_composer_header_table_init (EComposerHeaderTable *table)
 {
 	EComposerHeader *header;
@@ -1064,6 +1076,9 @@ e_composer_header_table_init (EComposerHeaderTable *table)
 			header->input_widget, "visible",
 			G_BINDING_SYNC_CREATE);
 	}
+
+	/* postpone name_selector loading, do that only when really needed */
+	g_signal_connect (table, "realize", G_CALLBACK (composer_header_table_realize_cb), NULL);
 }
 
 GtkWidget *