517c0e86cb
add sound in the TutoMap
246 lines
9.4 KiB
TypeScript
246 lines
9.4 KiB
TypeScript
import {Subject} from "rxjs";
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import {ChatEvent, isChatEvent} from "./Events/ChatEvent";
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import {IframeEvent, isIframeEventWrapper} from "./Events/IframeEvent";
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import {UserInputChatEvent} from "./Events/UserInputChatEvent";
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import * as crypto from "crypto";
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import {HtmlUtils} from "../WebRtc/HtmlUtils";
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import {EnterLeaveEvent} from "./Events/EnterLeaveEvent";
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import {isOpenPopupEvent, OpenPopupEvent} from "./Events/OpenPopupEvent";
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import {isOpenTabEvent, OpenTabEvent} from "./Events/OpenTabEvent";
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import {ButtonClickedEvent} from "./Events/ButtonClickedEvent";
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import {ClosePopupEvent, isClosePopupEvent} from "./Events/ClosePopupEvent";
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import {scriptUtils} from "./ScriptUtils";
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import {GoToPageEvent, isGoToPageEvent} from "./Events/GoToPageEvent";
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import {isOpenCoWebsite, OpenCoWebSiteEvent} from "./Events/OpenCoWebSiteEvent";
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import {isPlaySoundEvent, PlaySoundEvent} from "./Events/PlaySoundEvent";
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/**
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* Listens to messages from iframes and turn those messages into easy to use observables.
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* Also allows to send messages to those iframes.
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*/
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class IframeListener {
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private readonly _chatStream: Subject<ChatEvent> = new Subject();
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public readonly chatStream = this._chatStream.asObservable();
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private readonly _openPopupStream: Subject<OpenPopupEvent> = new Subject();
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public readonly openPopupStream = this._openPopupStream.asObservable();
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private readonly _openTabStream: Subject<OpenTabEvent> = new Subject();
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public readonly openTabStream = this._openTabStream.asObservable();
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private readonly _goToPageStream: Subject<GoToPageEvent> = new Subject();
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public readonly goToPageStream = this._goToPageStream.asObservable();
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private readonly _openCoWebSiteStream: Subject<OpenCoWebSiteEvent> = new Subject();
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public readonly openCoWebSiteStream = this._openCoWebSiteStream.asObservable();
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private readonly _closeCoWebSiteStream: Subject<void> = new Subject();
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public readonly closeCoWebSiteStream = this._closeCoWebSiteStream.asObservable();
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private readonly _disablePlayerControlStream: Subject<void> = new Subject();
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public readonly disablePlayerControlStream = this._disablePlayerControlStream.asObservable();
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private readonly _enablePlayerControlStream: Subject<void> = new Subject();
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public readonly enablePlayerControlStream = this._enablePlayerControlStream.asObservable();
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private readonly _closePopupStream: Subject<ClosePopupEvent> = new Subject();
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public readonly closePopupStream = this._closePopupStream.asObservable();
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private readonly _displayBubbleStream: Subject<void> = new Subject();
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public readonly displayBubbleStream = this._displayBubbleStream.asObservable();
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private readonly _removeBubbleStream: Subject<void> = new Subject();
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public readonly removeBubbleStream = this._removeBubbleStream.asObservable();
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private readonly _playSoundStream: Subject<PlaySoundEvent> = new Subject();
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public readonly playSoundStream = this._playSoundStream.asObservable();
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private readonly iframes = new Set<HTMLIFrameElement>();
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private readonly scripts = new Map<string, HTMLIFrameElement>();
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init() {
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window.addEventListener("message", (message) => {
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// Do we trust the sender of this message?
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// Let's only accept messages from the iframe that are allowed.
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// Note: maybe we could restrict on the domain too for additional security (in case the iframe goes to another domain).
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let found = false;
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for (const iframe of this.iframes) {
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if (iframe.contentWindow === message.source) {
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found = true;
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break;
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}
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}
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if (!found) {
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return;
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}
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const payload = message.data;
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if (isIframeEventWrapper(payload)) {
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if (payload.type === 'chat' && isChatEvent(payload.data)) {
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this._chatStream.next(payload.data);
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} else if (payload.type === 'openPopup' && isOpenPopupEvent(payload.data)) {
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this._openPopupStream.next(payload.data);
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} else if (payload.type === 'closePopup' && isClosePopupEvent(payload.data)) {
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this._closePopupStream.next(payload.data);
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}
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else if(payload.type === 'openTab' && isOpenTabEvent(payload.data)) {
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scriptUtils.openTab(payload.data.url);
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}
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else if(payload.type === 'goToPage' && isGoToPageEvent(payload.data)) {
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scriptUtils.goToPage(payload.data.url);
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}
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else if(payload.type === 'openCoWebSite' && isOpenCoWebsite(payload.data)) {
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scriptUtils.openCoWebsite(payload.data.url);
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}
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else if(payload.type === 'playSound' && isPlaySoundEvent(payload.data)) {
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this._playSoundStream.next(payload.data);
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}
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else if(payload.type === 'closeCoWebSite') {
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scriptUtils.closeCoWebSite();
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}
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else if (payload.type === 'disablePlayerControl'){
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this._disablePlayerControlStream.next();
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}
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else if (payload.type === 'restorePlayerControl'){
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this._enablePlayerControlStream.next();
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}
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else if (payload.type === 'displayBubble'){
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this._displayBubbleStream.next();
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}
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else if (payload.type === 'removeBubble'){
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this._removeBubbleStream.next();
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}
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}
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}, false);
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}
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/**
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* Allows the passed iFrame to send/receive messages via the API.
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*/
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registerIframe(iframe: HTMLIFrameElement): void {
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this.iframes.add(iframe);
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}
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unregisterIframe(iframe: HTMLIFrameElement): void {
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this.iframes.delete(iframe);
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}
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registerScript(scriptUrl: string): void {
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console.log('Loading map related script at ', scriptUrl)
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if (!process.env.NODE_ENV || process.env.NODE_ENV === 'development') {
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// Using external iframe mode (
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const iframe = document.createElement('iframe');
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iframe.id = this.getIFrameId(scriptUrl);
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iframe.style.display = 'none';
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iframe.src = '/iframe.html?script='+encodeURIComponent(scriptUrl);
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// We are putting a sandbox on this script because it will run in the same domain as the main website.
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iframe.sandbox.add('allow-scripts');
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iframe.sandbox.add('allow-top-navigation-by-user-activation');
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document.body.prepend(iframe);
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this.scripts.set(scriptUrl, iframe);
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this.registerIframe(iframe);
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} else {
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// production code
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const iframe = document.createElement('iframe');
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iframe.id = this.getIFrameId(scriptUrl);
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iframe.style.display = 'none';
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// We are putting a sandbox on this script because it will run in the same domain as the main website.
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iframe.sandbox.add('allow-scripts');
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iframe.sandbox.add('allow-top-navigation-by-user-activation');
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const html = '<!doctype html>\n' +
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'\n' +
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'<html lang="en">\n' +
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'<head>\n' +
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'<script src="'+window.location.protocol+'//'+window.location.host+'/iframe_api.js" ></script>\n' +
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'<script src="'+scriptUrl+'" ></script>\n' +
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'</head>\n' +
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'</html>\n';
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//iframe.src = "data:text/html;charset=utf-8," + escape(html);
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iframe.srcdoc = html;
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document.body.prepend(iframe);
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this.scripts.set(scriptUrl, iframe);
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this.registerIframe(iframe);
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}
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}
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private getIFrameId(scriptUrl: string): string {
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return 'script'+crypto.createHash('md5').update(scriptUrl).digest("hex");
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}
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unregisterScript(scriptUrl: string): void {
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const iFrameId = this.getIFrameId(scriptUrl);
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const iframe = HtmlUtils.getElementByIdOrFail<HTMLIFrameElement>(iFrameId);
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if (!iframe) {
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throw new Error('Unknown iframe for script "'+scriptUrl+'"');
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}
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this.unregisterIframe(iframe);
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iframe.remove();
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this.scripts.delete(scriptUrl);
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}
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sendUserInputChat(message: string) {
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this.postMessage({
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'type': 'userInputChat',
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'data': {
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'message': message,
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} as UserInputChatEvent
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});
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}
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sendEnterEvent(name: string) {
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this.postMessage({
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'type': 'enterEvent',
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'data': {
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"name": name
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} as EnterLeaveEvent
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});
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}
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sendLeaveEvent(name: string) {
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this.postMessage({
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'type': 'leaveEvent',
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'data': {
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"name": name
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} as EnterLeaveEvent
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});
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}
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sendButtonClickedEvent(popupId: number, buttonId: number): void {
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this.postMessage({
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'type': 'buttonClickedEvent',
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'data': {
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popupId,
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buttonId
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} as ButtonClickedEvent
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});
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}
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/**
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* Sends the message... to all allowed iframes.
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*/
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private postMessage(message: IframeEvent) {
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for (const iframe of this.iframes) {
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iframe.contentWindow?.postMessage(message, '*');
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}
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}
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}
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export const iframeListener = new IframeListener();
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