Telegram Web K with changes to work inside I2P
https://web.telegram.i2p/
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217 lines
6.6 KiB
217 lines
6.6 KiB
/* |
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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 CAN_USE_TRANSFERABLES from '../../environment/canUseTransferables'; |
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import IS_IMAGE_BITMAP_SUPPORTED from '../../environment/imageBitmapSupport'; |
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import readBlobAsText from '../../helpers/blob/readBlobAsText'; |
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import applyReplacements from './applyReplacements'; |
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importScripts('rlottie-wasm.js'); |
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// import Module, { allocate, intArrayFromString } from './rlottie-wasm'; |
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const _Module = (self as any).Module as any; |
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const DEFAULT_FPS = 60; |
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type LottieHandlePointer = number; |
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// throw new Error('test'); |
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export class RLottieItem { |
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private stringOnWasmHeap: number; |
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private handle: LottieHandlePointer; |
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private frameCount: number; |
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private fps: number; |
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private dead: boolean; |
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// private context: OffscreenCanvasRenderingContext2D; |
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private imageData: ImageData; |
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constructor( |
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private reqId: number, |
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private width: number, |
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private height: number/* , |
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private canvas: OffscreenCanvas */ |
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) { |
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} |
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public init(json: string, fps: number) { |
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if(this.dead) { |
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return; |
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} |
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this.fps = Math.max(1, Math.min(60, fps || DEFAULT_FPS)); |
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// this.context = canvas.getContext('2d'); |
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/* let frame = 0; |
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setInterval(() => { |
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if(frame >= this.frameCount) frame = 0; |
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let _frame = frame++; |
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this.render(_frame, null); |
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}, 1000 / this.fps); */ |
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try { |
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this.handle = worker.Api.init(); |
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// @ts-ignore |
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this.stringOnWasmHeap = allocate(intArrayFromString(json), 'i8', 0); |
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this.frameCount = worker.Api.loadFromData(this.handle, this.stringOnWasmHeap); |
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worker.Api.resize(this.handle, this.width, this.height); |
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reply(['loaded', this.reqId, this.frameCount, this.fps]); |
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if(IS_IMAGE_BITMAP_SUPPORTED) { |
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this.imageData = new ImageData(this.width, this.height); |
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} |
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} catch(e) { |
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console.error('init RLottieItem error:', e); |
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reply(['error', this.reqId, e]); |
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} |
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} |
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public render(frameNo: number, clamped?: Uint8ClampedArray) { |
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if(this.dead || this.handle === undefined) return; |
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// return; |
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if(this.frameCount < frameNo || frameNo < 0) { |
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return; |
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} |
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try { |
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worker.Api.render(this.handle, frameNo); |
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const bufferPointer = worker.Api.buffer(this.handle); |
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const data = _Module.HEAPU8.subarray(bufferPointer, bufferPointer + (this.width * this.height * 4)); |
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if(this.imageData) { |
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this.imageData.data.set(data); |
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createImageBitmap(this.imageData).then((imageBitmap) => { |
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reply(['frame', this.reqId, frameNo, imageBitmap], [imageBitmap]); |
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}); |
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} else { |
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if(!clamped) { |
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clamped = new Uint8ClampedArray(data); |
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} else { |
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clamped.set(data); |
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} |
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// this.context.putImageData(new ImageData(clamped, this.width, this.height), 0, 0); |
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reply(['frame', this.reqId, frameNo, clamped], [clamped]); |
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} |
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} catch(e) { |
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console.error('Render error:', e); |
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this.dead = true; |
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reply(['error', this.reqId, e]); |
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} |
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} |
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public destroy() { |
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this.dead = true; |
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if(this.handle !== undefined) { |
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worker.Api.destroy(this.handle); |
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} |
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} |
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} |
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class RLottieWorker { |
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public Api: { |
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init: () => LottieHandlePointer, |
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destroy: (handle: LottieHandlePointer) => void, |
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resize: (handle: LottieHandlePointer, width: number, height: number) => void, |
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buffer: (handle: LottieHandlePointer) => number, |
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render: (handle: LottieHandlePointer, frameNo: number) => void, |
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loadFromData: (handle: LottieHandlePointer, bufferPointer: number) => number |
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} = {} as any; |
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public initApi() { |
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this.Api = { |
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init: _Module.cwrap('lottie_init', '', []), |
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destroy: _Module.cwrap('lottie_destroy', '', ['number']), |
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resize: _Module.cwrap('lottie_resize', '', ['number', 'number', 'number']), |
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buffer: _Module.cwrap('lottie_buffer', 'number', ['number']), |
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render: _Module.cwrap('lottie_render', '', ['number', 'number']), |
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loadFromData: _Module.cwrap('lottie_load_from_data', 'number', ['number', 'number']) |
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}; |
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} |
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public init() { |
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this.initApi(); |
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reply(['ready']); |
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} |
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} |
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const worker = new RLottieWorker(); |
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_Module.onRuntimeInitialized = function() { |
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worker.init(); |
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}; |
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const items: {[reqId: string]: RLottieItem} = {}; |
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const queryableFunctions = { |
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loadFromData: function(reqId: number, blob: Blob, width: number, height: number, toneIndex: number/* , canvas: OffscreenCanvas */) { |
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const item = items[reqId] = new RLottieItem(reqId, width, height/* , canvas */); |
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readBlobAsText(blob).then((json) => { |
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try { |
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if(typeof(toneIndex) === 'number' && toneIndex >= 1 && toneIndex <= 5) { |
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/* params.animationData = copy(params.animationData); |
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this.applyReplacements(params.animationData, toneIndex); */ |
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const newAnimationData = JSON.parse(json); |
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applyReplacements(newAnimationData, toneIndex); |
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json = JSON.stringify(newAnimationData); |
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} |
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// ! WARNING, с этой проверкой не все стикеры работают, например - ДУРКА |
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/* if(!/"tgs":\s*?1./.test(jsString)) { |
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throw new Error('Invalid file'); |
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} */ |
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/* let perf = performance.now(); |
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let json = JSON.parse(jsString); |
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console.log('sticker decode:', performance.now() - perf); */ |
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const match = json.match(/"fr":\s*?(\d+?),/); |
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const frameRate = +match?.[1] || DEFAULT_FPS; |
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// console.log('Rendering sticker:', reqId, frameRate, 'now rendered:', Object.keys(items).length); |
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item.init(json, frameRate); |
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} catch(err) { |
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console.error('Invalid file for sticker:', json); |
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reply(['error', reqId, err]); |
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} |
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}); |
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}, |
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destroy: function(reqId: number) { |
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const item = items[reqId]; |
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if(!item) { |
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return; |
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} |
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item.destroy(); |
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delete items[reqId]; |
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}, |
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renderFrame: function(reqId: number, frameNo: number, clamped?: Uint8ClampedArray) { |
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// console.log('worker renderFrame', reqId, frameNo, clamped); |
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items[reqId].render(frameNo, clamped); |
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} |
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}; |
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function reply(args: any[], transfer?: Transferable[]) { |
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postMessage({queryMethodListener: args.shift(), queryMethodArguments: args}, CAN_USE_TRANSFERABLES ? transfer : undefined); |
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} |
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onmessage = function(e) { |
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// @ts-ignore |
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queryableFunctions[e.data.queryMethod].apply(queryableFunctions, e.data.queryMethodArguments); |
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};
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