1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 cr.define('uber', function() {
6 var PageManager = cr.ui.pageManager.PageManager;
9 * A PageManager observer that updates the uber page.
11 * @implements {PageManager.Observer}
13 function PageManagerObserver() {}
15 PageManagerObserver.prototype = {
16 __proto__: PageManager.Observer.prototype,
19 * Informs the uber page when a top-level overlay is opened or closed.
20 * @param {Page} page The page that is being shown or was hidden.
23 onPageVisibilityChanged: function(page) {
24 if (PageManager.isTopLevelOverlay(page)) {
26 uber.invokeMethodOnParent('beginInterceptingEvents');
28 uber.invokeMethodOnParent('stopInterceptingEvents');
33 * Uses uber to set the title.
34 * @param {string} title The title to set.
37 updateTitle: function(title) {
42 * Pushes the current page onto the history stack, replacing the current
43 * entry if appropriate.
44 * @param {string} path The path of the page to push onto the stack.
45 * @param {boolean} replace If true, allow no history events to be created.
48 updateHistory: function(path, replace) {
49 var historyFunction = replace ? uber.replaceState : uber.pushState;
50 historyFunction({}, path);
56 PageManagerObserver: PageManagerObserver