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Diffstat (limited to 'browser/extensions/webcompat/shims/mochitest-shim-1.js')
-rw-r--r--browser/extensions/webcompat/shims/mochitest-shim-1.js87
1 files changed, 87 insertions, 0 deletions
diff --git a/browser/extensions/webcompat/shims/mochitest-shim-1.js b/browser/extensions/webcompat/shims/mochitest-shim-1.js
new file mode 100644
index 0000000000..d95059cf7a
--- /dev/null
+++ b/browser/extensions/webcompat/shims/mochitest-shim-1.js
@@ -0,0 +1,87 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+/* globals browser */
+
+if (!window.MochitestShimPromise) {
+ const originalUrl = document.currentScript.src;
+
+ const shimId = "MochitestShim";
+
+ const sendMessageToAddon = (function () {
+ const pendingMessages = new Map();
+ const channel = new MessageChannel();
+ channel.port1.onerror = console.error;
+ channel.port1.onmessage = event => {
+ const { messageId, response } = event.data;
+ const resolve = pendingMessages.get(messageId);
+ if (resolve) {
+ pendingMessages.delete(messageId);
+ resolve(response);
+ }
+ };
+ function reconnect() {
+ const detail = {
+ pendingMessages: [...pendingMessages.values()],
+ port: channel.port2,
+ shimId,
+ };
+ window.dispatchEvent(new CustomEvent("ShimConnects", { detail }));
+ }
+ window.addEventListener("ShimHelperReady", reconnect);
+ reconnect();
+ return function (message) {
+ const messageId =
+ Math.random().toString(36).substring(2) + Date.now().toString(36);
+ return new Promise(resolve => {
+ const payload = {
+ message,
+ messageId,
+ shimId,
+ };
+ pendingMessages.set(messageId, resolve);
+ channel.port1.postMessage(payload);
+ });
+ };
+ })();
+
+ async function go(options) {
+ try {
+ const o = document.getElementById("shims");
+ const cl = o.classList;
+ cl.remove("red");
+ cl.add("green");
+ o.innerText = JSON.stringify(options || "");
+ } catch (_) {}
+
+ window.shimPromiseResolve("shimmed");
+
+ if (window !== top) {
+ window.optInPromiseResolve(false);
+ return;
+ }
+
+ await sendMessageToAddon("optIn");
+
+ window.doingOptIn = true;
+ const s = document.createElement("script");
+ s.src = originalUrl;
+ s.onerror = () => window.optInPromiseResolve("error");
+ document.head.appendChild(s);
+ }
+
+ window[`${shimId}Promise`] = new Promise(resolve => {
+ sendMessageToAddon("getOptions").then(options => {
+ if (document.readyState !== "loading") {
+ resolve(go(options));
+ } else {
+ window.addEventListener("DOMContentLoaded", () => {
+ resolve(go(options));
+ });
+ }
+ });
+ });
+}