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