[evolution] Bug 677635 - Vanished message list with filled preview panel

[Dan VrÃtil <dvratil src gnome org>]

commit 0568c36bde3fde0baaf5602d0a22fcf5749d27d9
Author: Dan VrÃtil <dvratil redhat com>
Date:   Tue Jul 24 10:30:52 2012 +0200

    Bug 677635 - Vanished message list with filled preview panel

 mail/e-mail-reader-utils.c |    7 +++++--
 mail/e-mail-reader-utils.h |    1 +
 mail/e-mail-reader.c       |    5 ++++-
 mail/message-list.c        |    6 +++++-
 4 files changed, 15 insertions(+), 4 deletions(-)
---
diff --git a/mail/e-mail-reader-utils.c b/mail/e-mail-reader-utils.c
index 3b0b065..ae4a98b 100644
--- a/mail/e-mail-reader-utils.c
+++ b/mail/e-mail-reader-utils.c
@@ -980,7 +980,7 @@ mail_reader_get_message_to_print_ready_cb (GObject *object,
 
 	e_mail_reader_parse_message (
 		context->reader, context->folder, context->message_uid,
-		message, mail_reader_do_print_message, context);
+		message, NULL, mail_reader_do_print_message, context);
 }
 
 void
@@ -1300,7 +1300,7 @@ mail_reader_get_message_ready_cb (CamelFolder *folder,
 	g_return_if_fail (CAMEL_IS_MIME_MESSAGE (message));
 
 	e_mail_reader_parse_message (context->reader, context->folder,
-		context->message_uid, message,
+		context->message_uid, message, NULL,
 		mail_reader_reply_message_parsed, context);
 }
 
@@ -1995,6 +1995,7 @@ e_mail_reader_parse_message (EMailReader *reader,
                              CamelFolder *folder,
                              const gchar *message_uid,
                              CamelMimeMessage *message,
+			     GCancellable *cancellable,
                              GAsyncReadyCallback ready_callback,
                              gpointer user_data)
 {
@@ -2007,6 +2008,8 @@ e_mail_reader_parse_message (EMailReader *reader,
 	data = g_new0 (struct mail_reader_parse_message_run_data_, 1);
 	data->activity = e_mail_reader_new_activity (reader);
 	e_activity_set_text (data->activity, _("Parsing message"));
+	if (cancellable)
+		e_activity_set_cancellable (data->activity, cancellable);
 	data->folder = g_object_ref (folder);
 	data->message = g_object_ref (message);
 	data->message_uid = g_strdup (message_uid);
diff --git a/mail/e-mail-reader-utils.h b/mail/e-mail-reader-utils.h
index 4cb427f..7250812 100644
--- a/mail/e-mail-reader-utils.h
+++ b/mail/e-mail-reader-utils.h
@@ -92,6 +92,7 @@ void		e_mail_reader_parse_message
 						 CamelFolder *folder,
 						 const gchar *message_uid,
 						 CamelMimeMessage *message,
+						 GCancellable *cancellable,
 						 GAsyncReadyCallback ready_callback,
 						 gpointer user_data);
 
diff --git a/mail/e-mail-reader.c b/mail/e-mail-reader.c
index 487d9ff..2f3a063 100644
--- a/mail/e-mail-reader.c
+++ b/mail/e-mail-reader.c
@@ -72,7 +72,7 @@
 	((EMailReaderPrivate *) g_object_get_qdata \
 	(G_OBJECT (obj), quark_private))
 
-#define d(x) x
+#define d(x)
 
 typedef struct _EMailReaderClosure EMailReaderClosure;
 typedef struct _EMailReaderPrivate EMailReaderPrivate;
@@ -3140,8 +3140,10 @@ mail_reader_set_display_formatter_for_message (EMailReader *reader,
 {
 	CamelObjectBag *registry;
 	EMailPartList *parts;
+	EMailReaderPrivate *priv;
 	gchar *mail_uri;
 
+	priv = E_MAIL_READER_GET_PRIVATE (reader);
 	mail_uri = e_mail_part_build_uri (folder, message_uid, NULL, NULL);
 	registry = e_mail_part_list_get_registry ();
 	parts = camel_object_bag_peek (registry, mail_uri);
@@ -3151,6 +3153,7 @@ mail_reader_set_display_formatter_for_message (EMailReader *reader,
 
 		e_mail_reader_parse_message (
 			reader, folder, message_uid, message,
+			priv->retrieving_message,
 			set_mail_display_part_list, NULL);
 
 	} else {
diff --git a/mail/message-list.c b/mail/message-list.c
index 7cce5f9..9e2a31a 100644
--- a/mail/message-list.c
+++ b/mail/message-list.c
@@ -3924,9 +3924,13 @@ message_list_set_folder (MessageList *message_list,
 	if (message_list->cursor_uid) {
 		g_free (message_list->cursor_uid);
 		message_list->cursor_uid = NULL;
-		g_signal_emit (message_list, message_list_signals[MESSAGE_SELECTED], 0, NULL);
 	}
 
+	/* Always emit message-selected, event when an account node
+	 * (folder == NULL) is selected, so that views know what happened and
+	 * can stop all running operations etc. */
+	g_signal_emit (message_list, message_list_signals[MESSAGE_SELECTED], 0, NULL);
+
 	if (CAMEL_IS_FOLDER (folder)) {
 		CamelStore *store;
 		gboolean non_trash_folder;