mirror of
https://github.com/kremalicious/metamask-extension.git
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8fcbebc546
* Updating account menu icon color * Updating design-tokens and making appropriate updates to extension styles * Adding more deprecated tags to colors * Adding spinner and removing todo comment * Remove comment * Updates * Updating snapshots * More color and ui updates * reverting transition change
68 lines
1.8 KiB
JavaScript
68 lines
1.8 KiB
JavaScript
import React, { useEffect, useMemo, useState } from 'react';
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import { BarcodeFormat, DecodeHintType } from '@zxing/library';
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import { BrowserQRCodeReader } from '@zxing/browser';
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import log from 'loglevel';
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import PropTypes from 'prop-types';
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import { MILLISECOND } from '../../../../shared/constants/time';
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import Spinner from '../../ui/spinner';
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const EnhancedReader = ({ handleScan }) => {
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const [canplay, setCanplay] = useState(false);
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const codeReader = useMemo(() => {
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const hint = new Map();
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hint.set(DecodeHintType.POSSIBLE_FORMATS, [BarcodeFormat.QR_CODE]);
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return new BrowserQRCodeReader(hint, {
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delayBetweenScanAttempts: MILLISECOND * 100,
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delayBetweenScanSuccess: MILLISECOND * 100,
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});
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}, []);
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useEffect(() => {
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const videoElem = document.getElementById('video');
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const canplayListener = () => {
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setCanplay(true);
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};
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videoElem.addEventListener('canplay', canplayListener);
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const promise = codeReader.decodeFromVideoDevice(
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undefined,
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'video',
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(result) => {
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if (result) {
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handleScan(result.getText());
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}
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},
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);
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return () => {
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videoElem.removeEventListener('canplay', canplayListener);
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promise
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.then((controls) => {
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if (controls) {
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controls.stop();
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}
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})
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.catch(log.info);
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};
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// eslint-disable-next-line react-hooks/exhaustive-deps
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}, []);
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return (
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<div className="qr-scanner__content__video-wrapper">
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<video
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id="video"
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style={{
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display: canplay ? 'block' : 'none',
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width: '100%',
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filter: 'blur(4px)',
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}}
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/>
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{canplay ? null : <Spinner color="var(--color-warning-default)" />}
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</div>
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);
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};
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EnhancedReader.propTypes = {
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handleScan: PropTypes.func.isRequired,
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};
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export default EnhancedReader;
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