mirror of
https://github.com/MarshalX/telegram-crawler.git
synced 2024-12-29 15:59:13 +01:00
472 lines
14 KiB
JavaScript
472 lines
14 KiB
JavaScript
var RLottie = (function () {
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var rlottie = {}, apiInitStarted = false, apiInited = false, initCallbacks = [];
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var deviceRatio = window.devicePixelRatio || 1;
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var rlottieWorkers = [], curWorkerNum = 0;
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var startTime = +(new Date());
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function dT() {
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return '[' + ((+(new Date()) - startTime)/ 1000.0) + '] ';
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}
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rlottie.Api = {};
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rlottie.players = Object.create(null);;
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rlottie.WORKERS_LIMIT = 4;
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var reqId = 0;
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var mainLoopTO = false;
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var checkViewportDate = false;
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var lastRenderDate = false;
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var userAgent = window.navigator.userAgent;
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var isSafari = !!window.safari ||
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!!(userAgent && (/\b(iPad|iPhone|iPod)\b/.test(userAgent) || (!!userAgent.match('Safari') && !userAgent.match('Chrome'))));
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var isRAF = isSafari;
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rlottie.isSafari = isSafari;
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function wasmIsSupported() {
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try {
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if (typeof WebAssembly === 'object' &&
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typeof WebAssembly.instantiate === 'function') {
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const module = new WebAssembly.Module(Uint8Array.of(
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0x0, 0x61, 0x73, 0x6d, 0x01, 0x00, 0x00, 0x00
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));
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if (module instanceof WebAssembly.Module) {
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return new WebAssembly.Instance(module) instanceof WebAssembly.Instance;
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}
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}
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} catch (e) {}
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return false;
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}
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function isSupported() {
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return (
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wasmIsSupported() &&
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typeof Uint8ClampedArray !== 'undefined' &&
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typeof Worker !== 'undefined' &&
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typeof ImageData !== 'undefined'
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);
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}
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rlottie.isSupported = isSupported();
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function mainLoop() {
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var key, rlPlayer, delta, rendered;
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var isEmpty = true;
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var now = +Date.now();
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var checkViewport = !checkViewportDate || (now - checkViewportDate) > 1000;
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for (key in rlottie.players) {
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rlPlayer = rlottie.players[key];
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if (rlPlayer &&
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rlPlayer.frameCount) {
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delta = now - rlPlayer.frameThen;
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if (delta > rlPlayer.frameInterval) {
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rendered = render(rlPlayer, checkViewport);
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if (rendered) {
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lastRenderDate = now;
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}
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}
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}
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}
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var delay = now - lastRenderDate < 100 ? 16 : 500;
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if (delay < 20 && isRAF) {
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mainLoopTO = requestAnimationFrame(mainLoop)
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} else {
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mainLoopTO = setTimeout(mainLoop, delay);
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}
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if (checkViewport) {
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checkViewportDate = now;
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}
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}
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function setupMainLoop() {
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var isEmpty = true, key, rlPlayer;
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for (key in rlottie.players) {
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rlPlayer = rlottie.players[key];
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if (rlPlayer &&
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rlPlayer.frameCount) {
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isEmpty = false;
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break;
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}
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}
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if ((mainLoopTO !== false) === isEmpty) {
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if (isEmpty) {
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if (isRAF) {
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cancelAnimationFrame(mainLoopTO);
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}
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try {
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clearTimeout(mainLoopTO);
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} catch (e) {};
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mainLoopTO = false;
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} else {
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if (isRAF) {
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mainLoopTO = requestAnimationFrame(mainLoop);
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} else {
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mainLoopTO = setTimeout(mainLoop, 0);
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}
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}
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}
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}
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function initApi(callback) {
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if (apiInited) {
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callback && callback();
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} else {
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callback && initCallbacks.push(callback);
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if (!apiInitStarted) {
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console.log(dT(), 'tgsticker init');
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apiInitStarted = true;
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var workersRemain = rlottie.WORKERS_LIMIT;
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var firstRlottieWorker = rlottieWorkers[0] = new QueryableWorker('/js/tgsticker-worker.js?12');
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firstRlottieWorker.addListener('ready', function () {
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console.log(dT(), 'worker #0 ready');
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firstRlottieWorker.addListener('frame', onFrame);
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firstRlottieWorker.addListener('loaded', onLoaded);
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--workersRemain;
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if (!workersRemain) {
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console.log(dT(), 'workers ready');
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apiInited = true;
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for (var i = 0; i < initCallbacks.length; i++) {
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initCallbacks[i]();
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}
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initCallbacks = [];
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} else {
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for (var workerNum = 1; workerNum < rlottie.WORKERS_LIMIT; workerNum++) {
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(function(workerNum) {
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var rlottieWorker = rlottieWorkers[workerNum] = new QueryableWorker('/js/tgsticker-worker.js?12');
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rlottieWorker.addListener('ready', function () {
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console.log(dT(), 'worker #' + workerNum + ' ready');
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rlottieWorker.addListener('frame', onFrame);
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rlottieWorker.addListener('loaded', onLoaded);
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--workersRemain;
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if (!workersRemain) {
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console.log(dT(), 'workers ready');
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apiInited = true;
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for (var i = 0; i < initCallbacks.length; i++) {
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initCallbacks[i]();
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}
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initCallbacks = [];
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}
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});
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})(workerNum);
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}
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}
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});
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}
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}
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}
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function destroyWorkers() {
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for (var workerNum = 0; workerNum < rlottie.WORKERS_LIMIT; workerNum++) {
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if (rlottieWorkers[workerNum]) {
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rlottieWorkers[workerNum].terminate();
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console.log('worker #' + workerNum + ' terminated');
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}
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}
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console.log('workers destroyed');
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apiInitStarted = apiInited = false;
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rlottieWorkers = [];
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}
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function initPlayer(el, options) {
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if (el.rlPlayer) return;
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if (el.tagName.toLowerCase() != 'picture') {
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console.warn('only picture tag allowed');
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return;
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}
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options = options || {};
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var rlPlayer = el.rlPlayer = {};
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rlPlayer.thumb = el.querySelector('img');
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var tgs_source = el.querySelector('source[type="application/x-tgsticker"]');
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var url = tgs_source && tgs_source.getAttribute('srcset') || '';
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if (!url) {
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console.warn('picture source application/x-tgsticker not found');
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return;
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}
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var pic_width = el.clientWidth || el.getAttribute('width');
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var pic_height = el.clientHeight || el.getAttribute('height');
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var curDeviceRatio = options.maxDeviceRatio ? Math.min(options.maxDeviceRatio, deviceRatio) : deviceRatio;
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if (!pic_width || !pic_height) {
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pic_width = pic_height = 256;
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}
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rlPlayer.reqId = ++reqId;
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rlottie.players[reqId] = rlPlayer;
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rlPlayer.el = el;
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rlPlayer.nextFrameNo = false;
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rlPlayer.frames = {};
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rlPlayer.width = Math.trunc(pic_width * curDeviceRatio);
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rlPlayer.height = Math.trunc(pic_height * curDeviceRatio);
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rlPlayer.rWorker = rlottieWorkers[curWorkerNum++];
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if (curWorkerNum >= rlottieWorkers.length) {
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curWorkerNum = 0;
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}
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rlPlayer.options = options;
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rlPlayer.paused = options.noAutoPlay || false;
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rlPlayer.forcePlayFrames = 0;
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rlPlayer.times = [];
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rlPlayer.clamped = new Uint8ClampedArray(rlPlayer.width * rlPlayer.height * 4);
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rlPlayer.imageData = new ImageData(rlPlayer.width, rlPlayer.height);
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rlPlayer.rWorker.sendQuery('loadFromData', rlPlayer.reqId, url, rlPlayer.width, rlPlayer.height);
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}
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function destroyPlayer(el) {
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if (!el.rlPlayer) return;
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var rlPlayer = el.rlPlayer;
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delete rlottie.players[rlPlayer.reqId];
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delete rlPlayer;
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setupMainLoop();
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}
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function render(rlPlayer, checkViewport) {
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if (!rlPlayer.canvas ||
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rlPlayer.canvas.width == 0 ||
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rlPlayer.canvas.height == 0) {
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return false;
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}
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if (!rlPlayer.forceRender) {
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var focused = window.isFocused ? isFocused() : document.hasFocus();
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if (!focused ||
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rlPlayer.paused ||
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!rlPlayer.frameCount) {
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return false;
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}
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var isInViewport = rlPlayer.isInViewport;
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if (isInViewport === undefined || checkViewport) {
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var rect = rlPlayer.el.getBoundingClientRect();
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if (rect.bottom < 0 ||
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rect.right < 0 ||
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rect.top > (window.innerHeight || document.documentElement.clientHeight) ||
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rect.left > (window.innerWidth || document.documentElement.clientWidth)) {
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isInViewport = false;
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} else {
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isInViewport = true;
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}
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rlPlayer.isInViewport = isInViewport;
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}
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if (!isInViewport) {
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return false;
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}
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}
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var frame = rlPlayer.frameQueue.shift();
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if (frame !== null) {
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doRender(rlPlayer, frame);
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var nextFrameNo = rlPlayer.nextFrameNo;
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if (nextFrameNo !== false) {
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rlPlayer.nextFrameNo = false;
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requestFrame(rlPlayer.reqId, nextFrameNo);
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}
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}
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return true;
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}
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function doRender(rlPlayer, frame) {
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rlPlayer.forceRender = false;
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rlPlayer.imageData.data.set(frame);
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rlPlayer.context.putImageData(rlPlayer.imageData, 0, 0);
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var now = +(new Date());
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if (rlPlayer.frameThen) {
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rlPlayer.times.push(now - rlPlayer.frameThen)
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}
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rlPlayer.frameThen = now - (now % rlPlayer.frameInterval);
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if (rlPlayer.thumb) {
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rlPlayer.el.removeChild(rlPlayer.thumb);
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delete rlPlayer.thumb;
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}
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}
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function requestFrame(reqId, frameNo) {
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var rlPlayer = rlottie.players[reqId];
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var frame = rlPlayer.frames[frameNo];
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if (frame) {
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onFrame(reqId, frameNo, frame)
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} else if (isSafari) {
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rlPlayer.rWorker.sendQuery('renderFrame', reqId, frameNo);
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} else {
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if(!rlPlayer.clamped.length) { // fix detached
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rlPlayer.clamped = new Uint8ClampedArray(rlPlayer.width * rlPlayer.height * 4);
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}
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rlPlayer.rWorker.sendQuery('renderFrame', reqId, frameNo, rlPlayer.clamped);
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}
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}
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function onFrame(reqId, frameNo, frame) {
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var rlPlayer = rlottie.players[reqId];
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if (rlPlayer.options.cachingModulo &&
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!rlPlayer.frames[frameNo] &&
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(!frameNo || ((reqId + frameNo) % rlPlayer.options.cachingModulo))) {
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rlPlayer.frames[frameNo] = new Uint8ClampedArray(frame)
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}
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rlPlayer.frameQueue.push(frame);
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var nextFrameNo = ++frameNo;
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if (nextFrameNo >= rlPlayer.frameCount) {
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if (!rlPlayer.options.playOnce) {
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nextFrameNo = 0;
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if (rlPlayer.times.length) {
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// var avg = 0;
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// for (var i = 0; i < rlPlayer.times.length; i++) {
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// avg += rlPlayer.times[i] / rlPlayer.times.length;
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// }
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// console.log('avg time: ' + avg + ', ' + rlPlayer.fps);
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rlPlayer.times = [];
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}
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} else {
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rlPlayer.paused = true;
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}
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}
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if (rlPlayer.forcePlayFrames > 0) {
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rlPlayer.forcePlayFrames--;
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if (!rlPlayer.forcePlayFrames) {
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rlPlayer.paused = true;
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}
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}
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if (rlPlayer.frameQueue.needsMore()) {
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requestFrame(reqId, nextFrameNo)
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} else {
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rlPlayer.nextFrameNo = nextFrameNo;
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}
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}
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function onLoaded(reqId, frameCount, fps) {
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var rlPlayer = rlottie.players[reqId];
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rlPlayer.canvas = document.createElement('canvas');
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rlPlayer.canvas.width = rlPlayer.width;
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rlPlayer.canvas.height = rlPlayer.height;
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rlPlayer.el.appendChild(rlPlayer.canvas);
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rlPlayer.context = rlPlayer.canvas.getContext('2d');
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rlPlayer.fps = fps;
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rlPlayer.frameInterval = 1000 / rlPlayer.fps;
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rlPlayer.frameThen = Date.now();
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rlPlayer.frameCount = frameCount;
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rlPlayer.forceRender = true;
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rlPlayer.frameQueue = new FrameQueue(fps / 4);
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setupMainLoop();
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requestFrame(reqId, 0);
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}
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rlottie.init = function(el, options) {
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if (!rlottie.isSupported) {
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return false;
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}
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initApi(function() {
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initPlayer(el, options);
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});
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}
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rlottie.destroy = function(el) {
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destroyPlayer(el);
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}
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rlottie.playOnce = function(el) {
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if (el && el.rlPlayer &&
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!el.rlPlayer.forcePlayFrames &&
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el.rlPlayer.frameCount) {
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el.rlPlayer.paused = false;
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el.rlPlayer.forcePlayFrames = el.rlPlayer.frameCount;
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}
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}
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rlottie.destroyWorkers = function() {
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destroyWorkers();
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}
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return rlottie;
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}());
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function QueryableWorker(url, defaultListener, onError) {
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var instance = this;
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var worker = new Worker(url);
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var listeners = {};
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this.defaultListener = defaultListener || function() {};
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if (onError) {worker.onerror = onError;}
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this.postMessage = function(message) {
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worker.postMessage(message);
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}
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this.terminate = function() {
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worker.terminate();
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}
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this.addListener = function(name, listener) {
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listeners[name] = listener;
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}
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this.removeListener = function(name) {
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delete listeners[name];
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}
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/*
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This functions takes at least one argument, the method name we want to query.
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Then we can pass in the arguments that the method needs.
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*/
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this.sendQuery = function(queryMethod) {
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if (arguments.length < 1) {
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throw new TypeError('QueryableWorker.sendQuery takes at least one argument');
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return;
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}
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var queryMethod = arguments[0];
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var args = Array.prototype.slice.call(arguments, 1);
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if (RLottie.isSafari) {
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worker.postMessage({
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'queryMethod': queryMethod,
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'queryMethodArguments': args
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});
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} else {
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var transfer = [];
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for(var i = 0; i < args.length; i++) {
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if(args[i] instanceof ArrayBuffer) {
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transfer.push(args[i]);
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}
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if(args[i].buffer && args[i].buffer instanceof ArrayBuffer) {
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transfer.push(args[i].buffer);
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}
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}
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worker.postMessage({
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'queryMethod': queryMethod,
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'queryMethodArguments': args
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}, transfer);
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}
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}
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worker.onmessage = function(event) {
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if (event.data instanceof Object &&
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event.data.hasOwnProperty('queryMethodListener') &&
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event.data.hasOwnProperty('queryMethodArguments')) {
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listeners[event.data.queryMethodListener].apply(instance, event.data.queryMethodArguments);
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} else {
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this.defaultListener.call(instance, event.data);
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}
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}
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}
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function FrameQueue(maxLength) {
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this.queue = [];
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this.maxLength = maxLength;
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}
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FrameQueue.prototype.needsMore = function frameQueueNeedsMore() {
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return this.queue.length < this.maxLength;
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}
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FrameQueue.prototype.empty = function frameQueueEmpty() {
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return !this.queue.length;
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}
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FrameQueue.prototype.notEmpty = function frameQueueEmpty() {
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return this.queue.length > 0;
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}
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FrameQueue.prototype.push = function frameQueuePush(element) {
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return this.queue.push(element);
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}
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FrameQueue.prototype.shift = function frameQueueShift() {
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return this.queue.length ? this.queue.shift() : null;
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}
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