forked from mirrors/gecko-dev
7a4cae215f
Original Revision: https://phabricator.services.mozilla.com/D212498 Differential Revision: https://phabricator.services.mozilla.com/D215150
67 lines
2.3 KiB
JavaScript
67 lines
2.3 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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const BUNDLE_SRC =
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"chrome://browser/content/aboutwelcome/aboutwelcome.bundle.js";
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class Onboarding {
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constructor({ win } = {}) {
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this.doc = win.document;
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win.addEventListener("RenderWelcome", () => this._addScriptsAndRender());
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}
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async _addScriptsAndRender() {
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const addStylesheet = href => {
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if (this.doc.head.querySelector(`link[href="${href}"]`)) {
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return;
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}
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const link = this.doc.head.appendChild(this.doc.createElement("link"));
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link.rel = "stylesheet";
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link.href = href;
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};
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addStylesheet("chrome://browser/content/aboutwelcome/aboutwelcome.css");
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const reactSrc = "resource://activity-stream/vendor/react.js";
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const domSrc = "resource://activity-stream/vendor/react-dom.js";
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// Add React script
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const getReactReady = async () => {
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return new Promise(resolve => {
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let reactScript = this.doc.createElement("script");
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reactScript.src = reactSrc;
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this.doc.head.appendChild(reactScript);
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reactScript.addEventListener("load", resolve);
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});
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};
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// Add ReactDom script
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const getDomReady = async () => {
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return new Promise(resolve => {
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let domScript = this.doc.createElement("script");
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domScript.src = domSrc;
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this.doc.head.appendChild(domScript);
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domScript.addEventListener("load", resolve);
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});
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};
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// Load React, then React Dom
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if (!this.doc.querySelector(`[src="${reactSrc}"]`)) {
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await getReactReady();
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}
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if (!this.doc.querySelector(`[src="${domSrc}"]`)) {
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await getDomReady();
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}
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// Load the bundle to render the content as configured.
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this.doc.querySelector(`[src="${BUNDLE_SRC}"]`)?.remove();
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let bundleScript = this.doc.createElement("script");
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bundleScript.src = BUNDLE_SRC;
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this.doc.head.appendChild(bundleScript);
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}
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static getOnboarding() {
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if (!this.onboarding) {
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this.onboarding = new Onboarding({ win: window });
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}
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return this.onboarding;
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}
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}
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const OnboardingContainer = Onboarding.getOnboarding();
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export default OnboardingContainer;
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