browser/base/content/newtab/preloaderContent.js

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/browser/base/content/newtab/preloaderContent.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,31 @@
     1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.7 +
     1.8 +(function () { // bug 673569 workaround :(
     1.9 +
    1.10 +const ALLOW_BG_CAPTURES_MSG = "BrowserNewTabPreloader:allowBackgroundCaptures";
    1.11 +
    1.12 +addMessageListener(ALLOW_BG_CAPTURES_MSG, function onMsg(msg) {
    1.13 +  removeMessageListener(ALLOW_BG_CAPTURES_MSG, onMsg);
    1.14 +
    1.15 +  if (content.document.readyState == "complete") {
    1.16 +    setAllowBackgroundCaptures();
    1.17 +    return;
    1.18 +  }
    1.19 +
    1.20 +  // This is the case when preloading is disabled.
    1.21 +  addEventListener("load", function onLoad(event) {
    1.22 +    if (event.target == content.document) {
    1.23 +      removeEventListener("load", onLoad, true);
    1.24 +      setAllowBackgroundCaptures();
    1.25 +    }
    1.26 +  }, true);
    1.27 +});
    1.28 +
    1.29 +function setAllowBackgroundCaptures() {
    1.30 +  content.document.documentElement.setAttribute("allow-background-captures",
    1.31 +                                                "true");
    1.32 +}
    1.33 +
    1.34 +})();

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