[evolution] Drop 'folder_uri' param from message_list_set_folder().

[Matthew Barnes <mbarnes src gnome org>]

commit 0434afb9a5831d93a5c0dd7c842aa3f92efa3dae
Author: Matthew Barnes <mbarnes redhat com>
Date:   Mon May 2 21:54:12 2011 -0400

    Drop 'folder_uri' param from message_list_set_folder().

 mail/e-mail-reader.c |    2 +-
 mail/message-list.c  |   17 ++++++++++++-----
 mail/message-list.h  |    3 +--
 3 files changed, 14 insertions(+), 8 deletions(-)
---
diff --git a/mail/e-mail-reader.c b/mail/e-mail-reader.c
index 094facd..b9e77b8 100644
--- a/mail/e-mail-reader.c
+++ b/mail/e-mail-reader.c
@@ -2940,7 +2940,7 @@ mail_reader_set_folder (EMailReader *reader,
 	priv->folder_was_just_selected = (folder != NULL);
 
 	message_list_set_folder (
-		MESSAGE_LIST (message_list), folder, folder_uri, outgoing);
+		MESSAGE_LIST (message_list), folder, outgoing);
 
 	mail_reader_emit_folder_loaded (reader);
 }
diff --git a/mail/message-list.c b/mail/message-list.c
index 214740b..ba18088 100644
--- a/mail/message-list.c
+++ b/mail/message-list.c
@@ -3763,7 +3763,6 @@ folder_changed (CamelFolder *folder,
  * message_list_set_folder:
  * @message_list: Message List widget
  * @folder: folder backend to be set
- * @uri: uri of @folder.
  * @outgoing: whether this is an outgoing folder
  *
  * Sets @folder to be the backend folder for @message_list. If
@@ -3771,7 +3770,9 @@ folder_changed (CamelFolder *folder,
  * the "Outgoing folder" column view.
  **/
 void
-message_list_set_folder (MessageList *message_list, CamelFolder *folder, const gchar *uri, gboolean outgoing)
+message_list_set_folder (MessageList *message_list,
+                         CamelFolder *folder,
+                         gboolean outgoing)
 {
 	ETreeModel *etm = message_list->model;
 	gboolean hide_deleted;
@@ -3818,9 +3819,15 @@ message_list_set_folder (MessageList *message_list, CamelFolder *folder, const g
 		message_list->thread_tree = NULL;
 	}
 
-	if (message_list->folder_uri != uri) {
-		g_free (message_list->folder_uri);
-		message_list->folder_uri = uri ? g_strdup (uri):NULL;
+	g_free (message_list->folder_uri);
+	message_list->folder_uri = NULL;
+
+	/* XXX Not sure if MESSAGE_SELECTED signal handlers rely on
+	 *     folder_uri being set, so avoid temptation to move this
+	 *     logic down until verifying it's safe. */
+	if (CAMEL_IS_FOLDER (folder)) {
+		const gchar *uri = camel_folder_get_uri (folder);
+		message_list->folder_uri = g_strdup (uri);
 	}
 
 	if (message_list->cursor_uid) {
diff --git a/mail/message-list.h b/mail/message-list.h
index 4ca9015..699c4ce 100644
--- a/mail/message-list.h
+++ b/mail/message-list.h
@@ -181,8 +181,7 @@ GType		message_list_get_type		(void);
 GtkWidget *	message_list_new		(EMailBackend *backend);
 EMailBackend *	message_list_get_backend	(MessageList *message_list);
 void		message_list_set_folder		(MessageList *message_list,
-						 CamelFolder *camel_folder,
-						 const gchar *uri,
+						 CamelFolder *folder,
 						 gboolean outgoing);
 GtkTargetList *	message_list_get_copy_target_list
 						(MessageList *message_list);