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