forked from mirrors/gecko-dev
63 lines
1.8 KiB
JavaScript
63 lines
1.8 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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* globals catcher, callBackground, content */
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/** This is a content script added to all screenshots.firefox.com pages, and allows the site to
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communicate with the add-on */
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"use strict";
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this.sitehelper = (function () {
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catcher.registerHandler(errorObj => {
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callBackground("reportError", errorObj);
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});
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const capabilities = {};
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function registerListener(name, func) {
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capabilities[name] = name;
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document.addEventListener(name, func);
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}
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function sendCustomEvent(name, detail) {
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if (typeof detail === "object") {
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// Note sending an object can lead to security problems, while a string
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// is safe to transfer:
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detail = JSON.stringify(detail);
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}
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document.dispatchEvent(new CustomEvent(name, { detail }));
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}
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registerListener(
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"delete-everything",
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catcher.watchFunction(event => {
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// FIXME: reset some data in the add-on
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}, false)
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);
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registerListener(
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"copy-to-clipboard",
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catcher.watchFunction(event => {
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catcher.watchPromise(callBackground("copyShotToClipboard", event.detail));
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})
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);
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registerListener(
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"show-notification",
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catcher.watchFunction(event => {
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catcher.watchPromise(callBackground("showNotification", event.detail));
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})
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);
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// Depending on the script loading order, the site might get the addon-present event,
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// but probably won't - instead the site will ask for that event after it has loaded
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registerListener(
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"request-addon-present",
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catcher.watchFunction(() => {
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sendCustomEvent("addon-present", capabilities);
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})
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);
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sendCustomEvent("addon-present", capabilities);
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})();
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null;
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