Telegram Web K with changes to work inside I2P
https://web.telegram.i2p/
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49 lines
1.5 KiB
49 lines
1.5 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 findAndSpliceAll from "../helpers/array/findAndSpliceAll"; |
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import LazyLoadQueueIntersector, { LazyLoadElement } from "./lazyLoadQueueIntersector"; |
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import VisibilityIntersector, { OnVisibilityChange } from "./visibilityIntersector"; |
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export default class LazyLoadQueueRepeat extends LazyLoadQueueIntersector { |
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private _queue: Map<HTMLElement, LazyLoadElement> = new Map(); |
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constructor(parallelLimit?: number, protected onVisibilityChange?: OnVisibilityChange) { |
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super(parallelLimit); |
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this.intersector = new VisibilityIntersector((target, visible) => { |
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const spliced = findAndSpliceAll(this.queue, (i) => i.div === target); |
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if(visible) { |
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const items = spliced.length ? spliced : [this._queue.get(target)]; |
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items.forEach((item) => { |
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this.queue.unshift(item || this._queue.get(target)); |
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}); |
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} |
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this.onVisibilityChange && this.onVisibilityChange(target, visible); |
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this.setProcessQueueTimeout(); |
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}); |
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} |
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public clear() { |
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super.clear(); |
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this._queue.clear(); |
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} |
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/* public async processItem(item: LazyLoadElement) { |
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//await super.processItem(item); |
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await LazyLoadQueueBase.prototype.processItem.call(this, item); |
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if(this.lazyLoadMedia.length) { |
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this.processQueue(); |
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} |
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} */ |
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public observe(el: LazyLoadElement) { |
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this._queue.set(el.div, el); |
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this.intersector.observe(el.div); |
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} |
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}
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