[evolution] Bug 602844 - Flags not saved to IMAP account on exit

[Matthew Barnes <mbarnes src gnome org>]

commit 463032d13238e9de9623046b13bdb3b40ad4fcbf
Author: Matthew Barnes <mbarnes redhat com>
Date:   Wed Nov 25 00:43:18 2009 -0500

    Bug 602844 - Flags not saved to IMAP account on exit

 modules/mail/e-mail-shell-view-private.c |   54 ++++++++++++++++++++++++++++++
 modules/mail/e-mail-shell-view-private.h |    3 ++
 2 files changed, 57 insertions(+), 0 deletions(-)
---
diff --git a/modules/mail/e-mail-shell-view-private.c b/modules/mail/e-mail-shell-view-private.c
index d28de5a..86f166d 100644
--- a/modules/mail/e-mail-shell-view-private.c
+++ b/modules/mail/e-mail-shell-view-private.c
@@ -312,6 +312,36 @@ mail_shell_view_scroll_cb (EMailShellView *mail_shell_view,
 }
 
 static void
+mail_shell_view_prepare_for_quit_done_cb (CamelFolder *folder,
+                                          gpointer user_data)
+{
+	g_object_unref (E_ACTIVITY (user_data));
+}
+
+static void
+mail_shell_view_prepare_for_quit_cb (EMailShellView *mail_shell_view,
+                                     EActivity *activity)
+{
+	EMailReader *reader;
+	MessageList *message_list;
+
+	/* If we got here, it means the application is shutting down
+	 * and this is the last EMailShellView instance.  Synchronize
+	 * the currently selected folder before we terminate. */
+
+	reader = E_MAIL_READER (mail_shell_view->priv->mail_shell_content);
+	message_list = e_mail_reader_get_message_list (reader);
+
+	if (message_list->folder == NULL)
+		return;
+
+	mail_sync_folder (
+		message_list->folder,
+		mail_shell_view_prepare_for_quit_done_cb,
+		g_object_ref (activity));
+}
+
+static void
 mail_shell_view_load_view_collection (EShellViewClass *shell_view_class)
 {
 	GalViewCollection *collection;
@@ -520,6 +550,15 @@ e_mail_shell_view_private_constructed (EMailShellView *mail_shell_view)
 		G_CALLBACK (mail_shell_view_reader_status_message_cb),
 		mail_shell_view);
 
+	/* Need to keep the handler ID so we can disconnect it in
+	 * dispose().  The shell outlives us and we don't want it
+	 * invoking callbacks on finalized shell views. */
+	priv->prepare_for_quit_handler_id =
+		g_signal_connect_swapped (
+			shell, "prepare-for-quit",
+			G_CALLBACK (mail_shell_view_prepare_for_quit_cb),
+			mail_shell_view);
+
 	e_mail_shell_view_actions_init (mail_shell_view);
 	e_mail_shell_view_update_search_filter (mail_shell_view);
 	e_mail_reader_init (reader);
@@ -545,6 +584,21 @@ e_mail_shell_view_private_dispose (EMailShellView *mail_shell_view)
 	EMailShellViewPrivate *priv = mail_shell_view->priv;
 	gint ii;
 
+	/* XXX It's a little awkward to have to dig up the
+	 *     shell this late in the game.  Should we just
+	 *     keep a direct reference to it?  Not sure. */
+	if (priv->prepare_for_quit_handler_id > 0) {
+		EShellBackend *shell_backend;
+		EShell *shell;
+
+		shell_backend = E_SHELL_BACKEND (priv->mail_shell_backend);
+		shell = e_shell_backend_get_shell (shell_backend);
+
+		g_signal_handler_disconnect (
+			shell, priv->prepare_for_quit_handler_id);
+		priv->prepare_for_quit_handler_id = 0;
+	}
+
 	DISPOSE (priv->mail_shell_backend);
 	DISPOSE (priv->mail_shell_content);
 	DISPOSE (priv->mail_shell_sidebar);
diff --git a/modules/mail/e-mail-shell-view-private.h b/modules/mail/e-mail-shell-view-private.h
index 3c9ec88..70700dd 100644
--- a/modules/mail/e-mail-shell-view-private.h
+++ b/modules/mail/e-mail-shell-view-private.h
@@ -141,6 +141,9 @@ struct _EMailShellViewPrivate {
 	/* Filter rules correspond to the search entry menu. */
 	EFilterRule *search_rules[MAIL_NUM_SEARCH_RULES];
 
+	/* EShell::prepare-for-quit */
+	gulong prepare_for_quit_handler_id;
+
 	guint show_deleted : 1;
 };