1 /* vim: set ts=2 sw=2 sts=2 et tw=80: */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6 export class SwitchDocumentDirectionChild extends JSWindowActorChild {
7 receiveMessage(message) {
8 if (message.name == "SwitchDocumentDirection") {
9 let docShell = this.manager.browsingContext.docShell;
10 let document = docShell.QueryInterface(Ci.nsIWebNavigation).document;
11 this.switchDocumentDirection(document);
15 switchDocumentDirection(document) {
16 // document.dir can also be "auto", in which case it won't change
17 if (document.dir == "ltr" || document.dir == "") {
19 } else if (document.dir == "rtl") {
23 for (let frame of document.defaultView.frames) {
24 this.switchDocumentDirection(frame.document);