|
1 /* This Source Code Form is subject to the terms of the Mozilla Public |
|
2 * License, v. 2.0. If a copy of the MPL was not distributed with this |
|
3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
|
4 |
|
5 (function () { // bug 673569 workaround :( |
|
6 |
|
7 const ALLOW_BG_CAPTURES_MSG = "BrowserNewTabPreloader:allowBackgroundCaptures"; |
|
8 |
|
9 addMessageListener(ALLOW_BG_CAPTURES_MSG, function onMsg(msg) { |
|
10 removeMessageListener(ALLOW_BG_CAPTURES_MSG, onMsg); |
|
11 |
|
12 if (content.document.readyState == "complete") { |
|
13 setAllowBackgroundCaptures(); |
|
14 return; |
|
15 } |
|
16 |
|
17 // This is the case when preloading is disabled. |
|
18 addEventListener("load", function onLoad(event) { |
|
19 if (event.target == content.document) { |
|
20 removeEventListener("load", onLoad, true); |
|
21 setAllowBackgroundCaptures(); |
|
22 } |
|
23 }, true); |
|
24 }); |
|
25 |
|
26 function setAllowBackgroundCaptures() { |
|
27 content.document.documentElement.setAttribute("allow-background-captures", |
|
28 "true"); |
|
29 } |
|
30 |
|
31 })(); |