| "use strict"; |
| |
| const conversions = require("webidl-conversions"); |
| const utils = require("./utils.js"); |
| |
| const EventListener = require("./EventListener.js"); |
| const AddEventListenerOptions = require("./AddEventListenerOptions.js"); |
| const EventListenerOptions = require("./EventListenerOptions.js"); |
| const Event = require("./Event.js"); |
| const implSymbol = utils.implSymbol; |
| const ctorRegistrySymbol = utils.ctorRegistrySymbol; |
| |
| const interfaceName = "EventTarget"; |
| |
| exports.is = value => { |
| return utils.isObject(value) && utils.hasOwn(value, implSymbol) && value[implSymbol] instanceof Impl.implementation; |
| }; |
| exports.isImpl = value => { |
| return utils.isObject(value) && value instanceof Impl.implementation; |
| }; |
| exports.convert = (value, { context = "The provided value" } = {}) => { |
| if (exports.is(value)) { |
| return utils.implForWrapper(value); |
| } |
| throw new TypeError(`${context} is not of type 'EventTarget'.`); |
| }; |
| |
| function makeWrapper(globalObject) { |
| if (globalObject[ctorRegistrySymbol] === undefined) { |
| throw new Error("Internal error: invalid global object"); |
| } |
| |
| const ctor = globalObject[ctorRegistrySymbol]["EventTarget"]; |
| if (ctor === undefined) { |
| throw new Error("Internal error: constructor EventTarget is not installed on the passed global object"); |
| } |
| |
| return Object.create(ctor.prototype); |
| } |
| |
| exports.create = (globalObject, constructorArgs, privateData) => { |
| const wrapper = makeWrapper(globalObject); |
| return exports.setup(wrapper, globalObject, constructorArgs, privateData); |
| }; |
| |
| exports.createImpl = (globalObject, constructorArgs, privateData) => { |
| const wrapper = exports.create(globalObject, constructorArgs, privateData); |
| return utils.implForWrapper(wrapper); |
| }; |
| |
| exports._internalSetup = (wrapper, globalObject) => {}; |
| |
| exports.setup = (wrapper, globalObject, constructorArgs = [], privateData = {}) => { |
| privateData.wrapper = wrapper; |
| |
| exports._internalSetup(wrapper, globalObject); |
| Object.defineProperty(wrapper, implSymbol, { |
| value: new Impl.implementation(globalObject, constructorArgs, privateData), |
| configurable: true |
| }); |
| |
| wrapper[implSymbol][utils.wrapperSymbol] = wrapper; |
| if (Impl.init) { |
| Impl.init(wrapper[implSymbol]); |
| } |
| return wrapper; |
| }; |
| |
| exports.new = globalObject => { |
| const wrapper = makeWrapper(globalObject); |
| |
| exports._internalSetup(wrapper, globalObject); |
| Object.defineProperty(wrapper, implSymbol, { |
| value: Object.create(Impl.implementation.prototype), |
| configurable: true |
| }); |
| |
| wrapper[implSymbol][utils.wrapperSymbol] = wrapper; |
| if (Impl.init) { |
| Impl.init(wrapper[implSymbol]); |
| } |
| return wrapper[implSymbol]; |
| }; |
| |
| const exposed = new Set(["Window", "Worker", "AudioWorklet"]); |
| |
| exports.install = (globalObject, globalNames) => { |
| if (!globalNames.some(globalName => exposed.has(globalName))) { |
| return; |
| } |
| class EventTarget { |
| constructor() { |
| return exports.setup(Object.create(new.target.prototype), globalObject, undefined); |
| } |
| |
| addEventListener(type, callback) { |
| const esValue = this !== null && this !== undefined ? this : globalObject; |
| if (!exports.is(esValue)) { |
| throw new TypeError("Illegal invocation"); |
| } |
| |
| if (arguments.length < 2) { |
| throw new TypeError( |
| "Failed to execute 'addEventListener' on 'EventTarget': 2 arguments required, but only " + |
| arguments.length + |
| " present." |
| ); |
| } |
| const args = []; |
| { |
| let curArg = arguments[0]; |
| curArg = conversions["DOMString"](curArg, { |
| context: "Failed to execute 'addEventListener' on 'EventTarget': parameter 1" |
| }); |
| args.push(curArg); |
| } |
| { |
| let curArg = arguments[1]; |
| if (curArg === null || curArg === undefined) { |
| curArg = null; |
| } else { |
| curArg = EventListener.convert(curArg, { |
| context: "Failed to execute 'addEventListener' on 'EventTarget': parameter 2" |
| }); |
| } |
| args.push(curArg); |
| } |
| { |
| let curArg = arguments[2]; |
| if (curArg !== undefined) { |
| if (curArg === null || curArg === undefined) { |
| curArg = AddEventListenerOptions.convert(curArg, { |
| context: "Failed to execute 'addEventListener' on 'EventTarget': parameter 3" |
| }); |
| } else if (utils.isObject(curArg)) { |
| curArg = AddEventListenerOptions.convert(curArg, { |
| context: "Failed to execute 'addEventListener' on 'EventTarget': parameter 3" + " dictionary" |
| }); |
| } else if (typeof curArg === "boolean") { |
| curArg = conversions["boolean"](curArg, { |
| context: "Failed to execute 'addEventListener' on 'EventTarget': parameter 3" |
| }); |
| } else { |
| curArg = conversions["boolean"](curArg, { |
| context: "Failed to execute 'addEventListener' on 'EventTarget': parameter 3" |
| }); |
| } |
| } |
| args.push(curArg); |
| } |
| return esValue[implSymbol].addEventListener(...args); |
| } |
| |
| removeEventListener(type, callback) { |
| const esValue = this !== null && this !== undefined ? this : globalObject; |
| if (!exports.is(esValue)) { |
| throw new TypeError("Illegal invocation"); |
| } |
| |
| if (arguments.length < 2) { |
| throw new TypeError( |
| "Failed to execute 'removeEventListener' on 'EventTarget': 2 arguments required, but only " + |
| arguments.length + |
| " present." |
| ); |
| } |
| const args = []; |
| { |
| let curArg = arguments[0]; |
| curArg = conversions["DOMString"](curArg, { |
| context: "Failed to execute 'removeEventListener' on 'EventTarget': parameter 1" |
| }); |
| args.push(curArg); |
| } |
| { |
| let curArg = arguments[1]; |
| if (curArg === null || curArg === undefined) { |
| curArg = null; |
| } else { |
| curArg = EventListener.convert(curArg, { |
| context: "Failed to execute 'removeEventListener' on 'EventTarget': parameter 2" |
| }); |
| } |
| args.push(curArg); |
| } |
| { |
| let curArg = arguments[2]; |
| if (curArg !== undefined) { |
| if (curArg === null || curArg === undefined) { |
| curArg = EventListenerOptions.convert(curArg, { |
| context: "Failed to execute 'removeEventListener' on 'EventTarget': parameter 3" |
| }); |
| } else if (utils.isObject(curArg)) { |
| curArg = EventListenerOptions.convert(curArg, { |
| context: "Failed to execute 'removeEventListener' on 'EventTarget': parameter 3" + " dictionary" |
| }); |
| } else if (typeof curArg === "boolean") { |
| curArg = conversions["boolean"](curArg, { |
| context: "Failed to execute 'removeEventListener' on 'EventTarget': parameter 3" |
| }); |
| } else { |
| curArg = conversions["boolean"](curArg, { |
| context: "Failed to execute 'removeEventListener' on 'EventTarget': parameter 3" |
| }); |
| } |
| } |
| args.push(curArg); |
| } |
| return esValue[implSymbol].removeEventListener(...args); |
| } |
| |
| dispatchEvent(event) { |
| const esValue = this !== null && this !== undefined ? this : globalObject; |
| if (!exports.is(esValue)) { |
| throw new TypeError("Illegal invocation"); |
| } |
| |
| if (arguments.length < 1) { |
| throw new TypeError( |
| "Failed to execute 'dispatchEvent' on 'EventTarget': 1 argument required, but only " + |
| arguments.length + |
| " present." |
| ); |
| } |
| const args = []; |
| { |
| let curArg = arguments[0]; |
| curArg = Event.convert(curArg, { context: "Failed to execute 'dispatchEvent' on 'EventTarget': parameter 1" }); |
| args.push(curArg); |
| } |
| return esValue[implSymbol].dispatchEvent(...args); |
| } |
| } |
| Object.defineProperties(EventTarget.prototype, { |
| addEventListener: { enumerable: true }, |
| removeEventListener: { enumerable: true }, |
| dispatchEvent: { enumerable: true }, |
| [Symbol.toStringTag]: { value: "EventTarget", configurable: true } |
| }); |
| if (globalObject[ctorRegistrySymbol] === undefined) { |
| globalObject[ctorRegistrySymbol] = Object.create(null); |
| } |
| globalObject[ctorRegistrySymbol][interfaceName] = EventTarget; |
| |
| Object.defineProperty(globalObject, interfaceName, { |
| configurable: true, |
| writable: true, |
| value: EventTarget |
| }); |
| }; |
| |
| const Impl = require("../events/EventTarget-impl.js"); |