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authorMatt A. Tobin <email@mattatobin.com>2018-02-10 02:51:36 -0500
committerMatt A. Tobin <email@mattatobin.com>2018-02-10 02:51:36 -0500
commit37d5300335d81cecbecc99812747a657588c63eb (patch)
tree765efa3b6a56bb715d9813a8697473e120436278 /toolkit/jetpack/sdk/content/utils.js
parentb2bdac20c02b12f2057b9ef70b0a946113a00e00 (diff)
parent4fb11cd5966461bccc3ed1599b808237be6b0de9 (diff)
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Merge branch 'ext-work'
Diffstat (limited to 'toolkit/jetpack/sdk/content/utils.js')
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diff --git a/toolkit/jetpack/sdk/content/utils.js b/toolkit/jetpack/sdk/content/utils.js
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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';
+
+module.metadata = {
+ 'stability': 'unstable'
+};
+
+var { merge } = require('../util/object');
+var { data } = require('../self');
+var assetsURI = data.url();
+var isArray = Array.isArray;
+var method = require('../../method/core');
+var { uuid } = require('../util/uuid');
+
+const isAddonContent = ({ contentURL }) =>
+ contentURL && data.url(contentURL).startsWith(assetsURI);
+
+exports.isAddonContent = isAddonContent;
+
+function hasContentScript({ contentScript, contentScriptFile }) {
+ return (isArray(contentScript) ? contentScript.length > 0 :
+ !!contentScript) ||
+ (isArray(contentScriptFile) ? contentScriptFile.length > 0 :
+ !!contentScriptFile);
+}
+exports.hasContentScript = hasContentScript;
+
+function requiresAddonGlobal(model) {
+ return model.injectInDocument || (isAddonContent(model) && !hasContentScript(model));
+}
+exports.requiresAddonGlobal = requiresAddonGlobal;
+
+function getAttachEventType(model) {
+ if (!model) return null;
+ let when = model.contentScriptWhen;
+ return requiresAddonGlobal(model) ? 'document-element-inserted' :
+ when === 'start' ? 'document-element-inserted' :
+ when === 'ready' ? 'DOMContentLoaded' :
+ when === 'end' ? 'load' :
+ null;
+}
+exports.getAttachEventType = getAttachEventType;
+
+var attach = method('worker-attach');
+exports.attach = attach;
+
+var connect = method('worker-connect');
+exports.connect = connect;
+
+var detach = method('worker-detach');
+exports.detach = detach;
+
+var destroy = method('worker-destroy');
+exports.destroy = destroy;
+
+function WorkerHost (workerFor) {
+ // Define worker properties that just proxy to underlying worker
+ return ['postMessage', 'port', 'url', 'tab'].reduce(function(proto, name) {
+ // Use descriptor properties instead so we can call
+ // the worker function in the context of the worker so we
+ // don't have to create new functions with `fn.bind(worker)`
+ let descriptorProp = {
+ value: function (...args) {
+ let worker = workerFor(this);
+ return worker[name].apply(worker, args);
+ }
+ };
+
+ let accessorProp = {
+ get: function () { return workerFor(this)[name]; },
+ set: function (value) { workerFor(this)[name] = value; }
+ };
+
+ Object.defineProperty(proto, name, merge({
+ enumerable: true,
+ configurable: false,
+ }, isDescriptor(name) ? descriptorProp : accessorProp));
+ return proto;
+ }, {});
+
+ function isDescriptor (prop) {
+ return ~['postMessage'].indexOf(prop);
+ }
+}
+exports.WorkerHost = WorkerHost;
+
+function makeChildOptions(options) {
+ function makeStringArray(arrayOrValue) {
+ if (!arrayOrValue)
+ return [];
+ return [].concat(arrayOrValue).map(String);
+ }
+
+ return {
+ id: String(uuid()),
+ contentScript: makeStringArray(options.contentScript),
+ contentScriptFile: makeStringArray(options.contentScriptFile),
+ contentScriptOptions: options.contentScriptOptions ?
+ JSON.stringify(options.contentScriptOptions) :
+ null,
+ }
+}
+exports.makeChildOptions = makeChildOptions;