8c1e01566a
Upgrading to Webpack 5, Typescript 4, ...
230 lines
8.6 KiB
TypeScript
230 lines
8.6 KiB
TypeScript
import {HtmlUtils} from "./HtmlUtils";
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import {Subject} from "rxjs";
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import {iframeListener} from "../Api/IframeListener";
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enum iframeStates {
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closed = 1,
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loading, // loading an iframe can be slow, so we show some placeholder until it is ready
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opened,
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}
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const cowebsiteDivId = 'cowebsite'; // the id of the whole container.
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const cowebsiteMainDomId = 'cowebsite-main'; // the id of the parent div of the iframe.
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const cowebsiteAsideDomId = 'cowebsite-aside'; // the id of the parent div of the iframe.
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const cowebsiteCloseButtonId = 'cowebsite-close';
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const cowebsiteFullScreenButtonId = 'cowebsite-fullscreen';
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const cowebsiteOpenFullScreenImageId = 'cowebsite-fullscreen-open';
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const cowebsiteCloseFullScreenImageId = 'cowebsite-fullscreen-close';
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const animationTime = 500; //time used by the css transitions, in ms.
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class CoWebsiteManager {
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private opened: iframeStates = iframeStates.closed;
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private _onResize: Subject<void> = new Subject();
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public onResize = this._onResize.asObservable();
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/**
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* Quickly going in and out of an iframe trigger can create conflicts between the iframe states.
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* So we use this promise to queue up every cowebsite state transition
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*/
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private currentOperationPromise: Promise<void> = Promise.resolve();
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private cowebsiteDiv: HTMLDivElement;
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private resizing: boolean = false;
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private cowebsiteMainDom: HTMLDivElement;
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private cowebsiteAsideDom: HTMLDivElement;
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get width(): number {
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return this.cowebsiteDiv.clientWidth;
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}
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set width(width: number) {
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this.cowebsiteDiv.style.width = width+'px';
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}
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get height(): number {
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return this.cowebsiteDiv.clientHeight;
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}
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set height(height: number) {
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this.cowebsiteDiv.style.height = height+'px';
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}
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get verticalMode(): boolean {
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return window.innerWidth < window.innerHeight;
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}
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get isFullScreen(): boolean {
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return this.verticalMode ? this.height === window.innerHeight : this.width === window.innerWidth;
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}
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constructor() {
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this.cowebsiteDiv = HtmlUtils.getElementByIdOrFail<HTMLDivElement>(cowebsiteDivId);
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this.cowebsiteMainDom = HtmlUtils.getElementByIdOrFail<HTMLDivElement>(cowebsiteMainDomId);
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this.cowebsiteAsideDom = HtmlUtils.getElementByIdOrFail<HTMLDivElement>(cowebsiteAsideDomId);
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this.initResizeListeners();
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HtmlUtils.getElementByIdOrFail(cowebsiteCloseButtonId).addEventListener('click', () => {
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this.closeCoWebsite();
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});
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HtmlUtils.getElementByIdOrFail(cowebsiteFullScreenButtonId).addEventListener('click', () => {
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this.fullscreen();
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});
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}
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private initResizeListeners() {
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const movecallback = (event:MouseEvent) => {
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this.verticalMode ? this.height += event.movementY / this.getDevicePixelRatio() : this.width -= event.movementX / this.getDevicePixelRatio();
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this.fire();
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}
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this.cowebsiteAsideDom.addEventListener('mousedown', (event) => {
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this.resizing = true;
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this.getIframeDom().style.display = 'none';
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document.addEventListener('mousemove', movecallback);
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});
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document.addEventListener('mouseup', (event) => {
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if (!this.resizing) return;
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document.removeEventListener('mousemove', movecallback);
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this.getIframeDom().style.display = 'block';
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this.resizing = false;
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});
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}
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private getDevicePixelRatio(): number {
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//on chrome engines, movementX and movementY return global screens coordinates while other browser return pixels
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//so on chrome-based browser we need to adjust using 'devicePixelRatio'
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return window.navigator.userAgent.includes('Firefox') ? 1 : window.devicePixelRatio;
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}
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private close(): void {
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this.cowebsiteDiv.classList.remove('loaded'); //edit the css class to trigger the transition
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this.cowebsiteDiv.classList.add('hidden');
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this.opened = iframeStates.closed;
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this.resetStyle();
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}
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private load(): void {
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this.cowebsiteDiv.classList.remove('hidden'); //edit the css class to trigger the transition
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this.cowebsiteDiv.classList.add('loading');
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this.opened = iframeStates.loading;
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}
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private open(): void {
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this.cowebsiteDiv.classList.remove('loading', 'hidden'); //edit the css class to trigger the transition
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this.opened = iframeStates.opened;
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this.resetStyle();
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}
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public resetStyle() {
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this.cowebsiteDiv.style.width = '';
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this.cowebsiteDiv.style.height = '';
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}
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private getIframeDom(): HTMLIFrameElement {
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const iframe = HtmlUtils.getElementByIdOrFail<HTMLDivElement>(cowebsiteDivId).querySelector('iframe');
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if (!iframe) throw new Error('Could not find iframe!');
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return iframe;
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}
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public loadCoWebsite(url: string, base: string, allowApi?: boolean, allowPolicy?: string): void {
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this.load();
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this.cowebsiteMainDom.innerHTML = ``;
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const iframe = document.createElement('iframe');
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iframe.id = 'cowebsite-iframe';
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iframe.src = (new URL(url, base)).toString();
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if (allowPolicy) {
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iframe.allow = allowPolicy;
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}
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const onloadPromise = new Promise<void>((resolve) => {
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iframe.onload = () => resolve();
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});
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if (allowApi) {
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iframeListener.registerIframe(iframe);
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}
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this.cowebsiteMainDom.appendChild(iframe);
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const onTimeoutPromise = new Promise<void>((resolve) => {
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setTimeout(() => resolve(), 2000);
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});
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this.currentOperationPromise = this.currentOperationPromise.then(() =>Promise.race([onloadPromise, onTimeoutPromise])).then(() => {
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this.open();
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setTimeout(() => {
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this.fire();
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}, animationTime)
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}).catch(() => this.closeCoWebsite());
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}
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/**
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* Just like loadCoWebsite but the div can be filled by the user.
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*/
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public insertCoWebsite(callback: (cowebsite: HTMLDivElement) => Promise<void>): void {
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this.load();
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this.cowebsiteMainDom.innerHTML = ``;
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this.currentOperationPromise = this.currentOperationPromise.then(() => callback(this.cowebsiteMainDom)).then(() => {
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this.open();
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setTimeout(() => {
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this.fire();
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}, animationTime);
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}).catch(() => this.closeCoWebsite());
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}
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public closeCoWebsite(): Promise<void> {
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this.currentOperationPromise = this.currentOperationPromise.then(() => new Promise((resolve, reject) => {
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if(this.opened === iframeStates.closed) resolve(); //this method may be called twice, in case of iframe error for example
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this.close();
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this.fire();
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const iframe = this.cowebsiteDiv.querySelector('iframe');
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if (iframe) {
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iframeListener.unregisterIframe(iframe);
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}
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setTimeout(() => {
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this.cowebsiteMainDom.innerHTML = ``;
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resolve();
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}, animationTime)
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}));
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return this.currentOperationPromise;
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}
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public getGameSize(): {width: number, height: number} {
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if (this.opened !== iframeStates.opened) {
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return {
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width: window.innerWidth,
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height: window.innerHeight
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}
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}
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if (!this.verticalMode) {
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return {
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width: window.innerWidth - this.width,
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height: window.innerHeight
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}
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} else {
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return {
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width: window.innerWidth,
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height: window.innerHeight - this.height,
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}
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}
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}
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private fire(): void {
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this._onResize.next();
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}
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private fullscreen(): void {
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if (this.isFullScreen) {
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this.resetStyle();
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this.fire();
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//we don't trigger a resize of the phaser game since it won't be visible anyway.
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HtmlUtils.getElementByIdOrFail(cowebsiteOpenFullScreenImageId).style.display = 'inline';
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HtmlUtils.getElementByIdOrFail(cowebsiteCloseFullScreenImageId).style.display = 'none';
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} else {
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this.verticalMode ? this.height = window.innerHeight : this.width = window.innerWidth;
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//we don't trigger a resize of the phaser game since it won't be visible anyway.
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HtmlUtils.getElementByIdOrFail(cowebsiteOpenFullScreenImageId).style.display = 'none';
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HtmlUtils.getElementByIdOrFail(cowebsiteCloseFullScreenImageId).style.display = 'inline';
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}
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}
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}
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export const coWebsiteManager = new CoWebsiteManager();
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