345 lines
10 KiB
TypeScript
345 lines
10 KiB
TypeScript
/*
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* https://github.com/morethanwords/tweb
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* Copyright (C) 2019-2021 Eduard Kuzmenko
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* https://github.com/morethanwords/tweb/blob/master/LICENSE
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*/
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import type {LiteModeKey} from '../helpers/liteMode';
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import {CustomEmojiElement, CustomEmojiRendererElement} from '../lib/richTextProcessor/wrapRichText';
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import rootScope from '../lib/rootScope';
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import {IS_SAFARI} from '../environment/userAgent';
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import {MOUNT_CLASS_TO} from '../config/debug';
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import isInDOM from '../helpers/dom/isInDOM';
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import RLottiePlayer from '../lib/rlottie/rlottiePlayer';
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import indexOfAndSplice from '../helpers/array/indexOfAndSplice';
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import forEachReverse from '../helpers/array/forEachReverse';
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import idleController from '../helpers/idleController';
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import appMediaPlaybackController from './appMediaPlaybackController';
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import {fastRaf} from '../helpers/schedulers';
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import {Middleware} from '../helpers/middleware';
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export type AnimationItemGroup = '' | 'none' | 'chat' | 'lock' |
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'STICKERS-POPUP' | 'emoticons-dropdown' | 'STICKERS-SEARCH' | 'GIFS-SEARCH' |
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`CHAT-MENU-REACTIONS-${number}` | 'INLINE-HELPER' | 'GENERAL-SETTINGS' | 'STICKER-VIEWER' | 'EMOJI' |
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'EMOJI-STATUS' | `chat-${number}`;
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export interface AnimationItem {
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el: HTMLElement,
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group: AnimationItemGroup,
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animation: AnimationItemWrapper,
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liteModeKey?: LiteModeKey,
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controlled?: boolean | Middleware
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};
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export interface AnimationItemWrapper {
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remove: () => void;
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paused: boolean;
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pause: () => any;
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play: () => any;
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autoplay: boolean;
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loop: boolean | number;
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// onVisibilityChange?: (visible: boolean) => boolean;
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};
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export class AnimationIntersector {
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private observer: IntersectionObserver;
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private visible: Set<AnimationItem>;
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private overrideIdleGroups: Set<string>;
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private byGroups: {[group in AnimationItemGroup]?: AnimationItem[]};
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private byPlayer: Map<AnimationItem['animation'], AnimationItem>;
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private lockedGroups: {[group in AnimationItemGroup]?: true};
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private onlyOnePlayableGroup: AnimationItemGroup;
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private intersectionLockedGroups: {[group in AnimationItemGroup]?: true};
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private videosLocked: boolean;
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constructor() {
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this.observer = new IntersectionObserver((entries) => {
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// if(rootScope.idle.isIDLE) return;
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for(const entry of entries) {
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const target = entry.target;
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for(const group in this.byGroups) {
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if(this.intersectionLockedGroups[group as AnimationItemGroup]) {
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continue;
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}
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const animation = this.byGroups[group as AnimationItemGroup].find((p) => p.el === target);
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if(!animation) {
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continue;
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}
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if(entry.isIntersecting) {
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this.visible.add(animation);
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this.checkAnimation(animation, false);
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/* if(animation instanceof HTMLVideoElement && animation.dataset.src) {
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animation.src = animation.dataset.src;
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animation.load();
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} */
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} else {
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this.visible.delete(animation);
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this.checkAnimation(animation, true);
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const _animation = animation.animation;
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if(_animation instanceof RLottiePlayer/* && animation.cachingDelta === 2 */) {
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// console.warn('will clear cache', player);
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_animation.clearCache();
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}/* else if(animation instanceof HTMLVideoElement && animation.src) {
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animation.dataset.src = animation.src;
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animation.src = '';
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animation.load();
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} */
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}
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break;
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}
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}
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});
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this.visible = new Set();
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this.overrideIdleGroups = new Set();
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this.byGroups = {};
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this.byPlayer = new Map();
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this.lockedGroups = {};
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this.onlyOnePlayableGroup = '';
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this.intersectionLockedGroups = {};
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this.videosLocked = false;
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appMediaPlaybackController.addEventListener('play', ({doc}) => {
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if(doc.type === 'round') {
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this.videosLocked = true;
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this.checkAnimations2();
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}
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});
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appMediaPlaybackController.addEventListener('pause', () => {
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if(this.videosLocked) {
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this.videosLocked = false;
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this.checkAnimations2();
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}
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});
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idleController.addEventListener('change', (idle) => {
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this.checkAnimations2(idle);
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});
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}
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public setOverrideIdleGroup(group: string, override: boolean) {
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if(override) this.overrideIdleGroups.add(group);
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else this.overrideIdleGroups.delete(group);
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}
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public getAnimations(element: HTMLElement) {
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const found: AnimationItem[] = [];
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for(const group in this.byGroups) {
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for(const player of this.byGroups[group as AnimationItemGroup]) {
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if(player.el === element) {
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found.push(player);
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}
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}
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}
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return found;
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}
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public removeAnimation(player: AnimationItem) {
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const {el, animation} = player;
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if(!(animation instanceof HTMLVideoElement)) {
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animation.remove();
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}
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if(animation instanceof HTMLVideoElement && IS_SAFARI) {
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setTimeout(() => { // TODO: очистка по очереди, а не все вместе с этим таймаутом
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animation.src = '';
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animation.load();
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}, 1e3);
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}
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const group = this.byGroups[player.group];
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if(group) {
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indexOfAndSplice(group, player);
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if(!group.length) {
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delete this.byGroups[player.group];
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}
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}
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this.observer.unobserve(el);
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this.visible.delete(player);
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this.byPlayer.delete(animation);
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}
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public removeAnimationByPlayer(player: AnimationItemWrapper) {
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const item = this.byPlayer.get(player);
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if(item) {
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this.removeAnimation(item);
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}
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}
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public addAnimation(options: {
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animation: AnimationItem['animation'],
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group?: AnimationItemGroup,
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observeElement?: HTMLElement,
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controlled?: AnimationItem['controlled'],
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liteModeKey?: LiteModeKey
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}) {
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let {animation, group = '', observeElement, controlled, liteModeKey} = options;
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if(group === 'none' || this.byPlayer.has(animation)) {
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return;
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}
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if(!observeElement) {
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if(animation instanceof RLottiePlayer) {
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observeElement = animation.el[0];
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} else if(animation instanceof CustomEmojiRendererElement) {
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observeElement = animation.canvas;
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} else if(animation instanceof CustomEmojiElement) {
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observeElement = animation.placeholder ?? animation;
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} else if(animation instanceof HTMLElement) {
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observeElement = animation;
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}
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}
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const item: AnimationItem = {
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el: observeElement,
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animation: animation,
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group,
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controlled,
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liteModeKey
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};
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if(controlled && typeof(controlled) !== 'boolean') {
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controlled.onClean(() => {
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this.removeAnimationByPlayer(animation);
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});
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}
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if(animation instanceof RLottiePlayer) {
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if(!rootScope.settings.stickers.loop && animation.loop) {
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animation.loop = rootScope.settings.stickers.loop;
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}
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}
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(this.byGroups[group as AnimationItemGroup] ??= []).push(item);
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this.observer.observe(item.el);
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this.byPlayer.set(animation, item);
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}
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public checkAnimations(
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blurred?: boolean,
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group?: AnimationItemGroup,
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destroy?: boolean,
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imitateIntersection?: boolean
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) {
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// if(rootScope.idle.isIDLE) return;
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if(group !== undefined && !this.byGroups[group]) {
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// console.warn('no animation group:', group);
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return;
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}
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const groups = group !== undefined /* && false */ ? [group] : Object.keys(this.byGroups) as AnimationItemGroup[];
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for(const group of groups) {
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if(imitateIntersection && this.intersectionLockedGroups[group]) {
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continue;
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}
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const animations = this.byGroups[group];
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forEachReverse(animations, (animation) => {
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this.checkAnimation(animation, blurred, destroy);
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});
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}
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}
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public checkAnimations2(blurred?: boolean) {
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this.checkAnimations(blurred, undefined, undefined, true);
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}
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public checkAnimation(player: AnimationItem, blurred?: boolean, destroy?: boolean) {
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const {el, animation, group} = player;
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// return;
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if(destroy || (!this.lockedGroups[group] && !isInDOM(el))) {
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if(!player.controlled || destroy) {
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this.removeAnimation(player);
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}
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return;
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}
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if(blurred ||
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(this.onlyOnePlayableGroup && this.onlyOnePlayableGroup !== group) ||
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(animation instanceof HTMLVideoElement && this.videosLocked)
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) {
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if(!animation.paused) {
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// console.warn('pause animation:', animation);
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animation.pause();
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}
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} else if(animation.paused &&
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this.visible.has(player) &&
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animation.autoplay &&
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(!this.onlyOnePlayableGroup || this.onlyOnePlayableGroup === group) &&
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(!idleController.isIdle || this.overrideIdleGroups.has(player.group))
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) {
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// console.warn('play animation:', animation);
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animation.play();
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}
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}
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public getOnlyOnePlayableGroup() {
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return this.onlyOnePlayableGroup;
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}
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public setOnlyOnePlayableGroup(group: AnimationItemGroup = '') {
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this.onlyOnePlayableGroup = group;
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}
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public lockGroup(group: AnimationItemGroup) {
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this.lockedGroups[group] = true;
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}
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public unlockGroup(group: AnimationItemGroup) {
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delete this.lockedGroups[group];
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this.checkAnimations(undefined, group);
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}
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public refreshGroup(group: AnimationItemGroup) {
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const animations = this.byGroups[group];
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if(!animations?.length) {
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return;
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}
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animations.forEach((animation) => {
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this.observer.unobserve(animation.el);
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});
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fastRaf(() => {
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animations.forEach((animation) => {
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this.observer.observe(animation.el);
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});
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});
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}
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public lockIntersectionGroup(group: AnimationItemGroup) {
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this.intersectionLockedGroups[group] = true;
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}
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public unlockIntersectionGroup(group: AnimationItemGroup) {
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delete this.intersectionLockedGroups[group];
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this.refreshGroup(group);
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}
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public toggleIntersectionGroup(group: AnimationItemGroup, lock: boolean) {
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if(lock) this.lockIntersectionGroup(group);
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else this.unlockIntersectionGroup(group);
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}
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}
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const animationIntersector = new AnimationIntersector();
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MOUNT_CLASS_TO && (MOUNT_CLASS_TO.animationIntersector = animationIntersector);
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export default animationIntersector;
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