From 94cc603cca2152ad8aedcbec3cd0e28110e9a21c Mon Sep 17 00:00:00 2001
From: Milan Crha <mcrha@redhat.com>
Date: Thu, 1 Apr 2010 14:02:43 +0200
Subject: Bug #374533 - Read window stays open after last email is deleted

---
 mail/e-mail-browser.c | 23 +++++++++++++++++++++++
 mail/message-list.c   | 27 +++++++++++++++++++++++++++
 mail/message-list.h   |  2 +-
 3 files changed, 51 insertions(+), 1 deletion(-)

diff --git a/mail/e-mail-browser.c b/mail/e-mail-browser.c
index 96f168fec9..26d3a876f1 100644
--- a/mail/e-mail-browser.c
+++ b/mail/e-mail-browser.c
@@ -266,6 +266,25 @@ mail_browser_message_selected_cb (EMailBrowser *browser,
 	camel_folder_free_message_info (folder, info);
 }
 
+static gboolean
+close_on_idle_cb (gpointer browser)
+{
+	e_mail_browser_close (browser);
+	return FALSE;
+}
+
+static void
+mail_browser_message_list_built_cb (EMailBrowser *browser, MessageList *message_list)
+{
+	g_return_if_fail (browser != NULL);
+	g_return_if_fail (E_IS_MAIL_BROWSER (browser));
+	g_return_if_fail (message_list != NULL);
+	g_return_if_fail (IS_MESSAGE_LIST (message_list));
+
+	if (!message_list_count (message_list))
+		g_idle_add (close_on_idle_cb, browser);
+}
+
 static gboolean
 mail_browser_popup_event_cb (EMailBrowser *browser,
                              GdkEventButton *event,
@@ -486,6 +505,10 @@ mail_browser_constructed (GObject *object)
 		priv->message_list, "message-selected",
 		G_CALLBACK (mail_browser_message_selected_cb), object);
 
+	g_signal_connect_swapped (
+		priv->message_list, "message-list-built",
+		G_CALLBACK (mail_browser_message_list_built_cb), object);
+
 	g_signal_connect_swapped (
 		web_view, "popup-event",
 		G_CALLBACK (mail_browser_popup_event_cb), object);
diff --git a/mail/message-list.c b/mail/message-list.c
index 88a711085b..453e261574 100644
--- a/mail/message-list.c
+++ b/mail/message-list.c
@@ -3851,6 +3851,33 @@ message_list_set_selected(MessageList *ml, GPtrArray *uids)
 	g_ptr_array_free(paths, TRUE);
 }
 
+struct ml_count_data {
+	MessageList *ml;
+	guint count;
+};
+
+static void
+ml_getcount_cb (ETreePath path, gpointer user_data)
+{
+	struct ml_count_data *data = user_data;
+
+	if (!e_tree_model_node_is_root (data->ml->model, path))
+		data->count++;
+}
+
+guint
+message_list_count (MessageList *message_list)
+{
+	struct ml_count_data data = { message_list, 0 };
+
+	g_return_val_if_fail (message_list != NULL, 0);
+	g_return_val_if_fail (IS_MESSAGE_LIST (message_list), 0);
+
+	e_tree_path_foreach (E_TREE (message_list), ml_getcount_cb, &data);
+
+	return data.count;
+}
+
 void
 message_list_freeze(MessageList *ml)
 {
diff --git a/mail/message-list.h b/mail/message-list.h
index 4431f8658c..a817047cc6 100644
--- a/mail/message-list.h
+++ b/mail/message-list.h
@@ -202,7 +202,7 @@ void		message_list_invert_selection	(MessageList *message_list);
 void		message_list_copy		(MessageList *message_list,
 						 gboolean cut);
 void		message_list_paste		(MessageList *message_list);
-guint		message_list_length		(MessageList *message_list);
+guint		message_list_count		(MessageList *message_list);
 void		message_list_set_threaded	(MessageList *message_list,
 						 gboolean threaded);
 void		message_list_set_threaded_expand_all
-- 
cgit v1.2.3