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/* 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";
/**
* Bug 1508639 - Shim Ad Safe Protected's Google IMA adapter
*/
if (!window.googleImaVansAdapter) {
const shimId = "AdSafeProtectedGoogleIMAAdapter";
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);
});
};
})();
window.googleImaVansAdapter = {
init: () => {},
dispose: () => {},
};
// Treat it as an opt-in when the user clicks on a video
// TODO: Improve this! It races to tell the bg script to unblock the ad from
// https://pubads.g.doubleclick.net/gampad/ads before the page loads them.
async function click(e) {
if (e.isTrusted && e.target.closest("#video-player")) {
document.documentElement.removeEventListener("click", click, true);
await sendMessageToAddon("optIn");
// TODO: reload ima3.js?
}
}
document.documentElement.addEventListener("click", click, true);
}
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