The Tor Browser / file comparison
comparison: browser/components/tabview/test/browser_tabview_pending_tabs.js
browser/components/tabview/test/browser_tabview_pending_tabs.js
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| -1:000000000000 | 0:71c198161ab1 |
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| 1 /* Any copyright is dedicated to the Public Domain. | |
| 2 * http://creativecommons.org/publicdomain/zero/1.0/ */ | |
| 3 | |
| 4 "use strict"; | |
| 5 | |
| 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 }; | |
| 25 | |
| 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); | |
| 32 | |
| 33 registerCleanupFunction(() => { | |
| 34 Services.prefs.clearUserPref("browser.sessionstore.restore_on_demand"); | |
| 35 }); | |
| 36 }); | |
| 37 | |
| 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); | |
| 45 | |
| 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); | |
| 50 | |
| 51 // Open Panorama. | |
| 52 yield promiseTabViewShown(win); | |
| 53 | |
| 54 let [tab1, tab2] = win.gBrowser.tabs; | |
| 55 let cw = win.TabView.getContentWindow(); | |
| 56 | |
| 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); | |
| 62 | |
| 63 let tabItem1 = tab1._tabViewTabItem; | |
| 64 let tabItem2 = tab2._tabViewTabItem; | |
| 65 | |
| 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); | |
| 69 | |
| 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"); | |
| 73 | |
| 74 // Cleanup. | |
| 75 yield promiseWindowClosed(win); | |
| 76 }); | |
| 77 | |
| 78 function promiseTabItemUpdated(tabItem) { | |
| 79 let deferred = Promise.defer(); | |
| 80 | |
| 81 tabItem.addSubscriber("updated", function onUpdated() { | |
| 82 tabItem.removeSubscriber("updated", onUpdated); | |
| 83 deferred.resolve(); | |
| 84 }); | |
| 85 | |
| 86 return deferred.promise; | |
| 87 } | |
| 88 | |
| 89 function promiseAllTabItemsUpdated(win) { | |
| 90 let deferred = Promise.defer(); | |
| 91 afterAllTabItemsUpdated(deferred.resolve, win); | |
| 92 return deferred.promise; | |
| 93 } | |
| 94 | |
| 95 function promiseDelayedStartupFinished(win) { | |
| 96 let deferred = Promise.defer(); | |
| 97 whenDelayedStartupFinished(win, deferred.resolve); | |
| 98 return deferred.promise; | |
| 99 } | |
| 100 | |
| 101 function promiseTabViewShown(win) { | |
| 102 let deferred = Promise.defer(); | |
| 103 showTabView(deferred.resolve, win); | |
| 104 return deferred.promise; | |
| 105 } | |
| 106 | |
| 107 function promiseWindowClosed(win) { | |
| 108 let deferred = Promise.defer(); | |
| 109 | |
| 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); | |
| 116 | |
| 117 win.close(); | |
| 118 return deferred.promise; | |
| 119 } |
