browser/components/tabview/test/browser_tabview_pending_tabs.js@6474c204b198
browser/components/tabview/test/browser_tabview_pending_tabs.js
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
1 /* Any copyright is dedicated to the Public Domain.
2 * http://creativecommons.org/publicdomain/zero/1.0/ */
4 "use strict";
6 const STATE = {
7 windows: [{
8 tabs: [{
9 entries: [{ url: "about:mozilla" }],
10 hidden: true,
11 extData: {"tabview-tab": '{"url":"about:mozilla","groupID":1}'}
12 },{
13 entries: [{ url: "about:robots" }],
14 hidden: false,
15 extData: {"tabview-tab": '{"url":"about:robots","groupID":1}'},
16 }],
17 selected: 1,
18 extData: {
19 "tabview-groups": '{"nextID":2,"activeGroupId":1, "totalNumber":1}',
20 "tabview-group":
21 '{"1":{"bounds":{"left":15,"top":5,"width":280,"height":232},"id":1}}'
22 }
23 }]
24 };
26 /**
27 * Make sure that tabs are restored on demand as otherwise the tab will start
28 * loading immediately and we can't check whether it shows cached data.
29 */
30 add_task(function setup() {
31 Services.prefs.setBoolPref("browser.sessionstore.restore_on_demand", true);
33 registerCleanupFunction(() => {
34 Services.prefs.clearUserPref("browser.sessionstore.restore_on_demand");
35 });
36 });
38 /**
39 * Ensure that a pending tab shows cached data.
40 */
41 add_task(function () {
42 // Open a new window.
43 let win = OpenBrowserWindow();
44 yield promiseDelayedStartupFinished(win);
46 // Set the window to a specific state.
47 let ss = Cc["@mozilla.org/browser/sessionstore;1"]
48 .getService(Ci.nsISessionStore)
49 .setWindowState(win, JSON.stringify(STATE), true);
51 // Open Panorama.
52 yield promiseTabViewShown(win);
54 let [tab1, tab2] = win.gBrowser.tabs;
55 let cw = win.TabView.getContentWindow();
57 // Update the two tabs in reverse order. Panorama will first try to update
58 // the second tab but will put it back onto the queue once it detects that
59 // it hasn't loaded yet. It will then try to update the first tab.
60 cw.TabItems.update(tab2);
61 cw.TabItems.update(tab1);
63 let tabItem1 = tab1._tabViewTabItem;
64 let tabItem2 = tab2._tabViewTabItem;
66 // Wait for the first tabItem to be updated. Calling update() on the second
67 // tabItem won't send a notification as that is pushed back onto the queue.
68 yield promiseTabItemUpdated(tabItem1);
70 // Check that the first tab doesn't show cached data, the second one does.
71 ok(!tabItem1.isShowingCachedData(), "doesn't show cached data");
72 ok(tabItem2.isShowingCachedData(), "shows cached data");
74 // Cleanup.
75 yield promiseWindowClosed(win);
76 });
78 function promiseTabItemUpdated(tabItem) {
79 let deferred = Promise.defer();
81 tabItem.addSubscriber("updated", function onUpdated() {
82 tabItem.removeSubscriber("updated", onUpdated);
83 deferred.resolve();
84 });
86 return deferred.promise;
87 }
89 function promiseAllTabItemsUpdated(win) {
90 let deferred = Promise.defer();
91 afterAllTabItemsUpdated(deferred.resolve, win);
92 return deferred.promise;
93 }
95 function promiseDelayedStartupFinished(win) {
96 let deferred = Promise.defer();
97 whenDelayedStartupFinished(win, deferred.resolve);
98 return deferred.promise;
99 }
101 function promiseTabViewShown(win) {
102 let deferred = Promise.defer();
103 showTabView(deferred.resolve, win);
104 return deferred.promise;
105 }
107 function promiseWindowClosed(win) {
108 let deferred = Promise.defer();
110 Services.obs.addObserver(function obs(subject, topic) {
111 if (subject == win) {
112 Services.obs.removeObserver(obs, topic);
113 deferred.resolve();
114 }
115 }, "domwindowclosed", false);
117 win.close();
118 return deferred.promise;
119 }
