workadventure/front/src/WebRtc/CoWebsiteManager.ts
2021-10-26 14:16:00 +02:00

636 lines
23 KiB
TypeScript

import { HtmlUtils } from "./HtmlUtils";
import { Subject } from "rxjs";
import { iframeListener } from "../Api/IframeListener";
import { touchScreenManager } from "../Touch/TouchScreenManager";
import { waScaleManager } from "../Phaser/Services/WaScaleManager";
enum iframeStates {
closed = 1,
loading, // loading an iframe can be slow, so we show some placeholder until it is ready
opened,
}
const cowebsiteDomId = "cowebsite"; // the id of the whole container.
const cowebsiteContainerDomId = "cowebsite-container"; // the id of the whole container.
const cowebsiteMainDomId = "cowebsite-slot-0"; // the id of the parent div of the iframe.
const cowebsiteBufferDomId = "cowebsite-buffer"; // the id of the container who contains cowebsite iframes.
const cowebsiteAsideDomId = "cowebsite-aside"; // the id of the parent div of the iframe.
const cowebsiteSubIconsDomId = "cowebsite-sub-icons";
export const cowebsiteCloseButtonId = "cowebsite-close";
const cowebsiteFullScreenButtonId = "cowebsite-fullscreen";
const cowebsiteOpenFullScreenImageId = "cowebsite-fullscreen-open";
const cowebsiteCloseFullScreenImageId = "cowebsite-fullscreen-close";
const animationTime = 500; //time used by the css transitions, in ms.
interface TouchMoveCoordinates {
x: number;
y: number;
}
export type CoWebsite = {
iframe: HTMLIFrameElement,
icon: HTMLDivElement,
position: number
}
type CoWebsiteSlot = {
container: HTMLElement,
position: number
}
class CoWebsiteManager {
private openedMain: iframeStates = iframeStates.closed;
private _onResize: Subject<void> = new Subject();
public onResize = this._onResize.asObservable();
/**
* Quickly going in and out of an iframe trigger can create conflicts between the iframe states.
* So we use this promise to queue up every cowebsite state transition
*/
private currentOperationPromise: Promise<void> = Promise.resolve();
private cowebsiteDom: HTMLDivElement;
private cowebsiteContainerDom: HTMLDivElement;
private resizing: boolean = false;
private cowebsiteMainDom: HTMLDivElement;
private cowebsiteBufferDom: HTMLDivElement;
private cowebsiteAsideDom: HTMLDivElement;
private cowebsiteSubIconsDom: HTMLDivElement;
private previousTouchMoveCoordinates: TouchMoveCoordinates | null = null; //only use on touchscreens to track touch movement
private coWebsites: CoWebsite[] = [];
private slots: CoWebsiteSlot[];
private resizeObserver = new ResizeObserver(entries => {
this.resizeAllIframes();
});
get width(): number {
return this.cowebsiteDom.clientWidth;
}
set width(width: number) {
this.cowebsiteDom.style.width = width + "px";
}
set widthPercent(width: number) {
this.cowebsiteDom.style.width = width + "%";
}
get height(): number {
return this.cowebsiteDom.clientHeight;
}
set height(height: number) {
this.cowebsiteDom.style.height = height + "px";
}
get verticalMode(): boolean {
return window.innerWidth < window.innerHeight;
}
get isFullScreen(): boolean {
return this.verticalMode ? this.height === window.innerHeight : this.width === window.innerWidth;
}
constructor() {
this.cowebsiteDom = HtmlUtils.getElementByIdOrFail<HTMLDivElement>(cowebsiteDomId);
this.cowebsiteContainerDom = HtmlUtils.getElementByIdOrFail<HTMLDivElement>(cowebsiteContainerDomId);
this.cowebsiteMainDom = HtmlUtils.getElementByIdOrFail<HTMLDivElement>(cowebsiteMainDomId);
this.cowebsiteBufferDom = HtmlUtils.getElementByIdOrFail<HTMLDivElement>(cowebsiteBufferDomId);
this.cowebsiteAsideDom = HtmlUtils.getElementByIdOrFail<HTMLDivElement>(cowebsiteAsideDomId);
this.cowebsiteSubIconsDom = HtmlUtils.getElementByIdOrFail<HTMLDivElement>(cowebsiteSubIconsDomId);
this.initResizeListeners(touchScreenManager.supportTouchScreen);
this.resizeObserver.observe(this.cowebsiteDom);
this.resizeObserver.observe(this.cowebsiteContainerDom);
this.slots = [
{
container: this.cowebsiteMainDom,
position: 0
},
{
container: HtmlUtils.getElementByIdOrFail<HTMLDivElement>('cowebsite-slot-1'),
position: 1
},
{
container: HtmlUtils.getElementByIdOrFail<HTMLDivElement>('cowebsite-slot-2'),
position: 2
},
{
container: HtmlUtils.getElementByIdOrFail<HTMLDivElement>('cowebsite-slot-3'),
position: 3
},
{
container: HtmlUtils.getElementByIdOrFail<HTMLDivElement>('cowebsite-slot-4'),
position: 4
},
];
this.slots.forEach((slot) => {
this.resizeObserver.observe(slot.container);
});
this.initActionsListeners();
const buttonCloseCoWebsites = HtmlUtils.getElementByIdOrFail(cowebsiteCloseButtonId);
buttonCloseCoWebsites.addEventListener("click", () => {
if (this.isSmallScreen() && this.coWebsites.length > 1) {
const coWebsite = this.getCoWebsiteByPosition(0);
if (coWebsite) {
this.removeCoWebsiteFromStack(coWebsite);
return;
}
}
buttonCloseCoWebsites.blur();
this.closeCoWebsites();
});
const buttonFullScreenFrame = HtmlUtils.getElementByIdOrFail(cowebsiteFullScreenButtonId);
buttonFullScreenFrame.addEventListener("click", () => {
buttonFullScreenFrame.blur();
this.fullscreen();
});
}
public getDevicePixelRatio(): number {
//on chrome engines, movementX and movementY return global screens coordinates while other browser return pixels
//so on chrome-based browser we need to adjust using 'devicePixelRatio'
return window.navigator.userAgent.includes("Firefox") ? 1 : window.devicePixelRatio;
}
private isSmallScreen(): boolean {
return window.matchMedia("(max-aspect-ratio: 1/1)").matches;
}
private initResizeListeners(touchMode: boolean) {
const movecallback = (event: MouseEvent | TouchEvent) => {
let x, y;
if (event.type === "mousemove") {
x = (event as MouseEvent).movementX / this.getDevicePixelRatio();
y = (event as MouseEvent).movementY / this.getDevicePixelRatio();
} else {
const touchEvent = (event as TouchEvent).touches[0];
const last = { x: touchEvent.pageX, y: touchEvent.pageY };
const previous = this.previousTouchMoveCoordinates as TouchMoveCoordinates;
this.previousTouchMoveCoordinates = last;
x = last.x - previous.x;
y = last.y - previous.y;
}
this.verticalMode ? (this.height += y) : (this.width -= x);
this.fire();
};
this.cowebsiteAsideDom.addEventListener(touchMode ? "touchstart" : "mousedown", (event) => {
this.cowebsiteMainDom.style.display = "none";
this.resizing = true;
if (touchMode) {
const touchEvent = (event as TouchEvent).touches[0];
this.previousTouchMoveCoordinates = { x: touchEvent.pageX, y: touchEvent.pageY };
}
document.addEventListener(touchMode ? "touchmove" : "mousemove", movecallback);
});
document.addEventListener(touchMode ? "touchend" : "mouseup", (event) => {
if (!this.resizing) return;
if (touchMode) {
this.previousTouchMoveCoordinates = null;
}
document.removeEventListener(touchMode ? "touchmove" : "mousemove", movecallback);
this.cowebsiteMainDom.style.display = "block";
this.resizing = false;
this.cowebsiteMainDom.style.display = "flex";
});
}
private closeMain(): void {
this.cowebsiteDom.classList.remove("loaded"); //edit the css class to trigger the transition
this.cowebsiteDom.classList.add("hidden");
this.openedMain = iframeStates.closed;
this.resetStyleMain();
this.cowebsiteDom.style.display = "none";
}
private loadMain(): void {
this.cowebsiteDom.style.display = "flex";
this.cowebsiteDom.classList.remove("hidden"); //edit the css class to trigger the transition
this.cowebsiteDom.classList.add("loading");
this.openedMain = iframeStates.loading;
}
private openMain(): void {
this.cowebsiteDom.classList.remove("loading", "hidden"); //edit the css class to trigger the transition
this.openedMain = iframeStates.opened;
this.resetStyleMain();
}
public resetStyleMain() {
this.cowebsiteDom.style.width = "";
this.cowebsiteDom.style.height = "";
}
private initActionsListeners() {
this.slots.forEach((slot: CoWebsiteSlot) => {
const expandButton = slot.container.querySelector('.expand');
const highlightButton = slot.container.querySelector('.hightlight');
const closeButton = slot.container.querySelector('.close');
if (expandButton) {
expandButton.addEventListener('click', (event) => {
event.preventDefault();
const coWebsite = this.getCoWebsiteByPosition(slot.position);
if (!coWebsite) {
return;
}
this.moveRightPreviousCoWebsite(coWebsite, 0);
});
}
if (highlightButton) {
highlightButton.addEventListener('click', (event) => {
event.preventDefault();
const coWebsite = this.getCoWebsiteByPosition(slot.position);
if (!coWebsite) {
return;
}
this.moveRightPreviousCoWebsite(coWebsite, 1);
});
}
if (closeButton) {
closeButton.addEventListener('click', (event) => {
event.preventDefault();
const coWebsite = this.getCoWebsiteByPosition(slot.position);
if (!coWebsite) {
return;
}
this.removeCoWebsiteFromStack(coWebsite);
});
}
});
}
public getCoWebsites(): CoWebsite[] {
return this.coWebsites;
}
public getCoWebsiteById(coWebsiteId: string): CoWebsite|undefined {
return this.coWebsites.find((coWebsite: CoWebsite) => coWebsite.iframe.id === coWebsiteId);
}
private getSlotByPosition(position: number): CoWebsiteSlot|undefined {
return this.slots.find((slot: CoWebsiteSlot) => slot.position === position);
}
private getCoWebsiteByPosition(position: number): CoWebsite|undefined {
return this.coWebsites.find((coWebsite: CoWebsite) => coWebsite.position === position);
}
private setIframeOffset(coWebsite: CoWebsite, slot: CoWebsiteSlot) {
const bounding = slot.container.getBoundingClientRect();
if (coWebsite.iframe.classList.contains('thumbnail')) {
coWebsite.iframe.style.width = ((bounding.right - bounding.left) * 2) + 'px';
coWebsite.iframe.style.height = ((bounding.bottom - bounding.top) * 2) + 'px';
coWebsite.iframe.style.top = (bounding.top - (Math.floor(bounding.height * 0.5))) + 'px';
coWebsite.iframe.style.left = (bounding.left - (Math.floor(bounding.width * 0.5))) + 'px';
} else {
coWebsite.iframe.style.top = bounding.top + 'px';
coWebsite.iframe.style.left = bounding.left + 'px';
coWebsite.iframe.style.width = (bounding.right - bounding.left) + 'px';
coWebsite.iframe.style.height = (bounding.bottom - bounding.top) + 'px';
}
}
private resizeAllIframes() {
this.coWebsites.forEach((coWebsite: CoWebsite) => {
const slot = this.getSlotByPosition(coWebsite.position);
if (slot) {
this.setIframeOffset(coWebsite, slot);
}
});
}
private moveCoWebsite(coWebsite: CoWebsite, newPosition: number) {
const oldSlot = this.getSlotByPosition(coWebsite.position);
const newSlot = this.getSlotByPosition(newPosition);
if (!newSlot) {
return;
}
coWebsite.iframe.scrolling = newPosition === 0 || newPosition === 1 ? "yes" : "no";
if (newPosition === 0) {
coWebsite.iframe.classList.add('main');
coWebsite.icon.style.display = "none";
} else {
coWebsite.iframe.classList.remove('main');
coWebsite.icon.style.display = "flex";
}
if (newPosition === 1) {
coWebsite.iframe.classList.add('sub-main');
} else {
coWebsite.iframe.classList.remove('sub-main');
}
if (newPosition >= 2) {
coWebsite.iframe.classList.add('thumbnail');
} else {
coWebsite.iframe.classList.remove('thumbnail');
}
coWebsite.position = newPosition;
if (oldSlot && !this.getCoWebsiteByPosition(oldSlot.position)) {
oldSlot.container.style.display = 'none';
}
newSlot.container.style.display = 'block';
coWebsite.iframe.classList.remove('pixel');
this.resizeAllIframes();
}
private moveLeftPreviousCoWebsite(coWebsite: CoWebsite, newPosition: number) {
const nextCoWebsite = this.getCoWebsiteByPosition(coWebsite.position + 1);
this.moveCoWebsite(coWebsite, newPosition);
if (nextCoWebsite) {
this.moveLeftPreviousCoWebsite(nextCoWebsite, nextCoWebsite.position - 1);
}
}
private moveRightPreviousCoWebsite(coWebsite: CoWebsite, newPosition: number) {
if (newPosition >= 5) {
return;
}
const currentCoWebsite = this.getCoWebsiteByPosition(newPosition);
this.moveCoWebsite(coWebsite, newPosition);
if (newPosition === 4 ||
!currentCoWebsite ||
currentCoWebsite.iframe.id === coWebsite.iframe.id
)
{
return;
}
if (!currentCoWebsite) {
return;
}
this.moveRightPreviousCoWebsite(currentCoWebsite, currentCoWebsite.position + 1);
}
private removeCoWebsiteFromStack(coWebsite: CoWebsite) {
this.coWebsites = this.coWebsites.filter(
(coWebsiteToRemove: CoWebsite) => coWebsiteToRemove.iframe.id !== coWebsite.iframe.id
);
if (this.coWebsites.length < 1) {
this.closeMain();
}
if (coWebsite.position > 0) {
const slot = this.getSlotByPosition(coWebsite.position);
if (slot) {
slot.container.style.display = 'none';
}
}
const previousCoWebsite = this.coWebsites.find((coWebsiteToCheck: CoWebsite) =>
coWebsite.position + 1 === coWebsiteToCheck.position
);
if (previousCoWebsite) {
this.moveLeftPreviousCoWebsite(previousCoWebsite, coWebsite.position);
}
coWebsite.icon.remove();
coWebsite.iframe.remove();
}
public searchJitsi(): CoWebsite|undefined {
return this.coWebsites.find((coWebsite : CoWebsite) =>
coWebsite.iframe.id.toLowerCase().includes('jitsi')
);
}
private generateCoWebsiteIcon(iframe: HTMLIFrameElement): HTMLDivElement {
const icon = document.createElement("div");
icon.id = "cowebsite-icon-" + iframe.id;
icon.style.display = "none";
const iconImage = document.createElement("img");
iconImage.src = `https://www.google.com/s2/favicons?sz=64&domain_url=${iframe.src}`;
const url = new URL(iframe.src);
iconImage.alt = url.hostname;
icon.appendChild(iconImage);
return icon;
}
public loadCoWebsite(
url: string,
base: string,
allowApi?: boolean,
allowPolicy?: string,
widthPercent?: number,
position?: number
): Promise<CoWebsite> {
return this.addCoWebsite((iframeBuffer) => {
const iframe = document.createElement("iframe");
iframe.src = new URL(url, base).toString()
if (allowPolicy) {
iframe.allow = allowPolicy;
}
if (allowApi) {
iframeListener.registerIframe(iframe);
}
iframeBuffer.appendChild(iframe);
return iframe;
}, widthPercent, position);
}
public async addCoWebsite(
callback: (iframeBuffer: HTMLDivElement) => PromiseLike<HTMLIFrameElement>|HTMLIFrameElement,
widthPercent?: number,
position?: number
): Promise<CoWebsite> {
return new Promise((resolve, reject) => {
if (this.coWebsites.length < 1) {
this.loadMain();
} else if (this.coWebsites.length === 5) {
throw new Error('Too many we')
}
Promise.resolve(callback(this.cowebsiteBufferDom)).then(iframe =>{
iframe?.classList.add("pixel");
if (!iframe.id) {
do {
iframe.id = "cowebsite-iframe-" + (Math.random() + 1).toString(36).substring(7);
} while (this.getCoWebsiteById(iframe.id));
}
const onloadPromise = new Promise<void>((resolve) => {
iframe.onload = () => resolve();
});
const icon = this.generateCoWebsiteIcon(iframe);
const coWebsite = {
iframe,
icon,
position: position ?? this.coWebsites.length,
};
// Iframe management on mobile
icon.addEventListener("click", () => {
if (this.isSmallScreen()) {
this.moveRightPreviousCoWebsite(coWebsite, 0);
}
});
this.coWebsites.push(coWebsite);
this.cowebsiteSubIconsDom.appendChild(icon);
const onTimeoutPromise = new Promise<void>((resolve) => {
setTimeout(() => resolve(), 2000);
});
this.currentOperationPromise = this.currentOperationPromise
.then(() => Promise.race([onloadPromise, onTimeoutPromise]))
.then(() => {
if (coWebsite.position === 0) {
this.openMain();
if (widthPercent) {
this.widthPercent = widthPercent;
}
setTimeout(() => {
this.fire();
position !== undefined ?
this.moveRightPreviousCoWebsite(coWebsite, coWebsite.position) :
this.moveCoWebsite(coWebsite, coWebsite.position);
}, animationTime);
} else {
position !== undefined ?
this.moveRightPreviousCoWebsite(coWebsite, coWebsite.position) :
this.moveCoWebsite(coWebsite, coWebsite.position);
}
return resolve(coWebsite);
})
.catch((err) => {
console.error("Error loadCoWebsite => ", err);
this.removeCoWebsiteFromStack(coWebsite);
return reject();
});
});
});
}
public closeCoWebsite(coWebsite: CoWebsite): Promise<void> {
this.currentOperationPromise = this.currentOperationPromise.then(
() =>
new Promise((resolve) => {
if (this.coWebsites.length === 1) {
if (this.openedMain === iframeStates.closed) resolve(); //this method may be called twice, in case of iframe error for example
this.closeMain();
this.fire();
}
if (coWebsite) {
iframeListener.unregisterIframe(coWebsite.iframe);
}
this.removeCoWebsiteFromStack(coWebsite);
resolve();
})
);
return this.currentOperationPromise;
}
public closeJitsi() {
const jitsi = this.searchJitsi();
if (jitsi) {
this.closeCoWebsite(jitsi);
}
}
public closeCoWebsites(): Promise<void> {
this.currentOperationPromise = this.currentOperationPromise
.then(() => {
this.coWebsites.forEach((coWebsite: CoWebsite) => {
this.closeCoWebsite(coWebsite);
});
});
return this.currentOperationPromise;
}
public getGameSize(): { width: number; height: number } {
if (this.openedMain !== iframeStates.opened) {
return {
width: window.innerWidth,
height: window.innerHeight,
};
}
if (!this.verticalMode) {
return {
width: window.innerWidth - this.width,
height: window.innerHeight,
};
} else {
return {
width: window.innerWidth,
height: window.innerHeight - this.height,
};
}
}
private fire(): void {
this._onResize.next();
waScaleManager.applyNewSize();
}
private fullscreen(): void {
if (this.isFullScreen) {
this.resetStyleMain();
this.fire();
//we don't trigger a resize of the phaser game since it won't be visible anyway.
HtmlUtils.getElementByIdOrFail(cowebsiteOpenFullScreenImageId).style.display = "inline";
HtmlUtils.getElementByIdOrFail(cowebsiteCloseFullScreenImageId).style.display = "none";
} else {
this.verticalMode ? (this.height = window.innerHeight) : (this.width = window.innerWidth);
//we don't trigger a resize of the phaser game since it won't be visible anyway.
HtmlUtils.getElementByIdOrFail(cowebsiteOpenFullScreenImageId).style.display = "none";
HtmlUtils.getElementByIdOrFail(cowebsiteCloseFullScreenImageId).style.display = "inline";
}
}
}
export const coWebsiteManager = new CoWebsiteManager();