[anjal] Safely handle MailViewChild's uri, when a folder is renamed. Update URI,

[Srinivasa Ragavan <sragavan src gnome org>]

commit ab8061239b757a430a477567c5e0004c9de17d69
Author: Srinivasa Ragavan <sragavan novell com>
Date:   Fri Jun 26 08:36:21 2009 +0530

    Safely handle MailViewChild's uri, when a folder is renamed. Update URI,
    so that it is selected  and update label.

 src/mail-folder-view.c |   37 ++++++++++++++++++++++++++++++++++---
 1 files changed, 34 insertions(+), 3 deletions(-)
---
diff --git a/src/mail-folder-view.c b/src/mail-folder-view.c
index 0a6a79f..c5c6f2f 100644
--- a/src/mail-folder-view.c
+++ b/src/mail-folder-view.c
@@ -72,6 +72,8 @@ struct  _MailFolderViewPrivate {
 	GtkWidget *info_spinner;
 	CamelOperation *cancel;
 	GtkCellRenderer *from_to;
+
+	char *folder_name;
 };
 
 enum {
@@ -88,6 +90,9 @@ static void mfv_message_activated (GtkTreeView       *tree_view,  GtkTreePath
 static void mfv_delete (MailFolderView *mfv, gboolean del);
 static void mfv_read (MailFolderView *mfv, gboolean del);
 static void mfv_junk  (MailFolderView *mfv, gboolean junk);
+static void mfv_folder_renamed (CamelStore *store, void *event, void *data);
+
+
 static guint signals[LAST_SIGNAL] = { 0 };
 
 G_DEFINE_TYPE (MailFolderView, mail_folder_view, GTK_TYPE_VBOX)
@@ -264,6 +269,9 @@ mail_folder_view_finalize (GObject *object)
 {
 	 MailFolderView *mfv = (MailFolderView  *)object;
 
+	 if (mfv->priv->folder_name)
+		 g_free (mfv->priv->folder_name);
+
 	 if (mfv->priv->cancel) {
 		camel_operation_cancel(mfv->priv->cancel);
 	 }
@@ -274,7 +282,11 @@ mail_folder_view_finalize (GObject *object)
 	 if (mfv->search_str) {
 		 g_free(mfv->search_str);
 		 mfv->search_str = NULL;
-	 } 
+	 }
+
+	 if (mfv->priv->folder->parent_store)
+		 camel_object_unhook_event (mfv->priv->folder->parent_store, "folder_renamed", (CamelObjectEventHookFunc)mfv_folder_renamed, mfv);
+
 	 if (mfv->priv->folder) {
 		  camel_object_unref (mfv->priv->folder);
 	 }
@@ -423,6 +435,21 @@ mail_folder_view_set_folder_uri (MailFolderView *mfv, const char *uri)
 	}
 }
 
+static void
+mfv_folder_renamed (CamelStore *store, void *event, void *data)
+{
+	MailFolderView *mfv = (MailFolderView *)data;
+	CamelRenameInfo *info = (CamelRenameInfo *)event;
+	if (g_strcmp0(info->old_base, mfv->priv->folder_name) == 0){
+		/* Folder renamed. Revamp the uri.*/
+		g_free(mfv->uri);
+		g_free(mfv->priv->folder_name);
+		mfv->uri = g_strdup(info->new->uri);
+		mfv->priv->folder_name = g_strdup (info->new->full_name);
+		gtk_label_set_text ((GtkLabel *)mfv->priv->tab_str, info->new->full_name);
+	}
+}
+
 void
 mail_folder_view_set_folder (MailFolderView *mfv, CamelFolder *folder, const char *uri)
 {
@@ -445,12 +472,16 @@ mail_folder_view_set_folder (MailFolderView *mfv, CamelFolder *folder, const cha
 		double pos = 0;
 		GtkTreeIter iter;
 		gboolean outgoing = FALSE;
-
+		
 	        if (em_utils_folder_is_drafts(folder, uri)
 			|| em_utils_folder_is_sent(folder, uri)
 			|| em_utils_folder_is_outbox(folder, uri))
 			outgoing = TRUE;
-	
+		if (mfv->priv->folder_name)
+			g_free (mfv->priv->folder_name);
+		mfv->priv->folder_name = g_strdup(folder->full_name);
+		if (folder->parent_store)
+			camel_object_hook_event (folder->parent_store, "folder_renamed", (CamelObjectEventHookFunc)mfv_folder_renamed, mfv);
 		if (outgoing) {
 			if (mfv->priv->light)
 				g_object_set_data ((GObject *)mfv->priv->from_to, "data", GINT_TO_POINTER (COL_FROM)); /* Implement TO */