forked from mirrors/gecko-dev
34824c4105
MozReview-Commit-ID: FprlN3Vm9H7 --HG-- extra : rebase_source : f9b225e5a4464b7e6f937e4670a0bfbf472dc916
30 lines
976 B
JavaScript
30 lines
976 B
JavaScript
/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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"use strict";
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const Services = require("Services");
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const { waitForMozAfterPaint } = require("devtools/client/performance/test/helpers/wait-utils");
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/**
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* Checks if a DOM node is considered visible.
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*/
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exports.isVisible = (element) => {
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return !element.classList.contains("hidden") && !element.hidden;
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};
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/**
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* Appends the provided element to the provided parent node. If run in e10s
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* mode, will also wait for MozAfterPaint to make sure the tab is rendered.
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* Should be reviewed if Bug 1240509 lands.
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*/
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exports.appendAndWaitForPaint = function (parent, element) {
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let isE10s = Services.appinfo.browserTabsRemoteAutostart;
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if (isE10s) {
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let win = parent.ownerDocument.defaultView;
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let onMozAfterPaint = waitForMozAfterPaint(win);
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parent.appendChild(element);
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return onMozAfterPaint;
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}
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parent.appendChild(element);
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return null;
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};
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