51 lines
1.5 KiB
TypeScript
51 lines
1.5 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 SwipeHandler, { SwipeHandlerOptions } from "../../components/swipeHandler";
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import { IS_APPLE_MOBILE, IS_SAFARI } from "../../environment/userAgent";
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import { cancelEvent } from "./cancelEvent";
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import findUpClassName from "./findUpClassName";
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import isSwipingBackSafari from "./isSwipingBackSafari";
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export type SwipeHandlerHorizontalOptions = SwipeHandlerOptions & {
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// xThreshold?: number
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};
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export default function handleHorizontalSwipe(options: SwipeHandlerHorizontalOptions) {
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let cancelY = false;
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return new SwipeHandler({
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...options,
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verifyTouchTarget: (e) => {
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return !findUpClassName(e.target, 'progress-line') &&
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!isSwipingBackSafari(e) &&
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(options.verifyTouchTarget ? options.verifyTouchTarget(e) : true);
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},
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onSwipe: (xDiff, yDiff, e) => {
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if(!cancelY && Math.abs(yDiff) > 20) {
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return true;
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}
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if(Math.abs(xDiff) > Math.abs(yDiff)) {
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cancelEvent(e);
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cancelY = true;
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} else if(!cancelY && Math.abs(yDiff) > Math.abs(xDiff)/* || Math.abs(yDiff) > 20 */) {
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return true;
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}
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/* if(!cancelY && options.xThreshold !== undefined && xDiff >= options.xThreshold) {
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cancelY = true;
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} */
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return options.onSwipe(xDiff, yDiff, e);
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},
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onReset: () => {
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cancelY = false;
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options.onReset && options.onReset();
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},
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cancelEvent: true
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});
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}
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