The Tor Browser / file comparison
comparison: browser/base/content/test/newtab/browser_newtab_background_captures.js
browser/base/content/test/newtab/browser_newtab_background_captures.js
- changeset 0
- 6474c204b198
equal
deleted
inserted
replaced
| -1:000000000000 | 0:afbc9054e21b |
|---|---|
| 1 /* Any copyright is dedicated to the Public Domain. | |
| 2 http://creativecommons.org/publicdomain/zero/1.0/ */ | |
| 3 | |
| 4 /** | |
| 5 * Verifies that hidden, pre-loaded newtabs don't allow background captures, and | |
| 6 * when unhidden, do allow background captures. | |
| 7 */ | |
| 8 | |
| 9 const CAPTURE_PREF = "browser.pagethumbnails.capturing_disabled"; | |
| 10 | |
| 11 function runTests() { | |
| 12 let imports = {}; | |
| 13 Cu.import("resource://gre/modules/PageThumbs.jsm", imports); | |
| 14 Cu.import("resource:///modules/BrowserNewTabPreloader.jsm", imports); | |
| 15 | |
| 16 // Disable captures. | |
| 17 let originalDisabledState = Services.prefs.getBoolPref(CAPTURE_PREF); | |
| 18 Services.prefs.setBoolPref(CAPTURE_PREF, true); | |
| 19 | |
| 20 // Make sure the thumbnail doesn't exist yet. | |
| 21 let siteName = "newtab_background_captures"; | |
| 22 let url = "http://example.com/#" + siteName; | |
| 23 let path = imports.PageThumbsStorage.getFilePathForURL(url); | |
| 24 let file = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsIFile); | |
| 25 file.initWithPath(path); | |
| 26 try { | |
| 27 file.remove(false); | |
| 28 } | |
| 29 catch (err) {} | |
| 30 | |
| 31 // Add a top site. | |
| 32 yield setLinks(siteName); | |
| 33 | |
| 34 // We need a handle to a hidden, pre-loaded newtab so we can verify that it | |
| 35 // doesn't allow background captures. Add a newtab, which triggers creation | |
| 36 // of a hidden newtab, and then keep calling BrowserNewTabPreloader.newTab | |
| 37 // until it returns true, meaning that it swapped the passed-in tab's docshell | |
| 38 // for the hidden newtab docshell. | |
| 39 let tab = gWindow.gBrowser.addTab("about:blank"); | |
| 40 yield addNewTabPageTab(); | |
| 41 let swapWaitCount = 0; | |
| 42 let swapped = imports.BrowserNewTabPreloader.newTab(tab); | |
| 43 while (!swapped) { | |
| 44 if (++swapWaitCount == 10) { | |
| 45 ok(false, "Timed out waiting for newtab docshell swap."); | |
| 46 return; | |
| 47 } | |
| 48 // Give the hidden newtab some time to finish loading. | |
| 49 yield wait(2000); | |
| 50 info("Checking newtab swap " + swapWaitCount); | |
| 51 swapped = imports.BrowserNewTabPreloader.newTab(tab); | |
| 52 } | |
| 53 | |
| 54 // The tab's docshell is now the previously hidden newtab docshell. | |
| 55 let doc = tab.linkedBrowser.contentDocument; | |
| 56 isnot(doc.documentElement.getAttribute("allow-background-captures"), "true", | |
| 57 "Pre-loaded docshell just synchronously swapped, so background " + | |
| 58 "captures should not be allowed yet"); | |
| 59 | |
| 60 // Enable captures. | |
| 61 Services.prefs.setBoolPref(CAPTURE_PREF, false); | |
| 62 | |
| 63 // Now that the newtab is visible, its allow-background-captures attribute | |
| 64 // should be set eventually. | |
| 65 let allowBackgroundCaptures = false; | |
| 66 let mutationObserver = new MutationObserver(() => { | |
| 67 mutationObserver.disconnect(); | |
| 68 allowBackgroundCaptures = true; | |
| 69 is(doc.documentElement.getAttribute("allow-background-captures"), "true", | |
| 70 "allow-background-captures should now be true"); | |
| 71 info("Waiting for thumbnail to be created after observing " + | |
| 72 "allow-background-captures change"); | |
| 73 }); | |
| 74 mutationObserver.observe(doc.documentElement, { | |
| 75 attributes: true, | |
| 76 attributeFilter: ["allow-background-captures"], | |
| 77 }); | |
| 78 | |
| 79 // And the allow-background-captures change should trigger the thumbnail | |
| 80 // capture. | |
| 81 Services.obs.addObserver(function onCreate(subj, topic, data) { | |
| 82 if (data != url) | |
| 83 return; | |
| 84 ok(allowBackgroundCaptures, | |
| 85 "page-thumbnail:create should be observed after " + | |
| 86 "allow-background-captures was set"); | |
| 87 Services.obs.removeObserver(onCreate, "page-thumbnail:create"); | |
| 88 // Test finished! | |
| 89 Services.prefs.setBoolPref(CAPTURE_PREF, originalDisabledState); | |
| 90 file.remove(false); | |
| 91 TestRunner.next(); | |
| 92 }, "page-thumbnail:create", false); | |
| 93 | |
| 94 info("Waiting for allow-background-captures change"); | |
| 95 yield true; | |
| 96 } | |
| 97 | |
| 98 function wait(ms) { | |
| 99 setTimeout(TestRunner.next, ms); | |
| 100 } |
