add a failure callback when uploading a torrent file

deluge/ui/web/js/deluge-all/Deluge.Add.File.js

@@ -80,6 +80,7 @@ Ext.deluge.add.FileWindow = Ext.extend(Ext.deluge.add.Window, {
 			this.form.getForm().submit({
 				url: '/upload',
 				waitMsg: _('Uploading your torrent...'),
+				failure: this.onUploadFailure,
 				success: this.onUploadSuccess,
 				scope: this
 			});
@@ -92,6 +93,10 @@ Ext.deluge.add.FileWindow = Ext.extend(Ext.deluge.add.Window, {
 		info['filename'] = request.options.filename;
 		this.fireEvent('add', this.torrentId, info);
 	},
+
+	onUploadFailure: function(form, action) {
+		this.hide();
+	},
 	
 	onUploadSuccess: function(fp, upload) {
 		this.hide();