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@ -3,16 +3,14 @@ import PropTypes from 'prop-types' |
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import { BrowserQRCodeReader } from '@zxing/library' |
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import adapter from 'webrtc-adapter' // eslint-disable-line import/no-nodejs-modules, no-unused-vars
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import Spinner from '../../spinner' |
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const { ENVIRONMENT_TYPE_POPUP } = require('../../../../../app/scripts/lib/enums') |
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const { getEnvironmentType } = require('../../../../../app/scripts/lib/util') |
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const { |
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SEND_ROUTE, |
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} = require('../../../routes') |
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import WebcamUtils from '../../../../lib/webcam-utils' |
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export default class QrScanner extends Component { |
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static propTypes = { |
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hideModal: PropTypes.func.isRequired, |
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qrCodeDetected: PropTypes.func, |
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error: PropTypes.bool, |
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errorType: PropTypes.string, |
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} |
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static contextTypes = { |
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@ -21,46 +19,65 @@ export default class QrScanner extends Component { |
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constructor (props, context) { |
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super(props) |
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let initialMsg = context.t('accessingYourCamera') |
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if (props.error) { |
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if (props.errorType === 'NO_WEBCAM_FOUND') { |
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initialMsg = context.t('noWebcamFound') |
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} else { |
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initialMsg = context.t('unknownCameraError') |
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} |
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} |
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this.state = { |
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ready: false, |
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msg: context.t('accessingYourCamera'), |
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msg: initialMsg, |
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} |
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this.scanning = false |
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this.codeReader = null |
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this.permissionChecker = null |
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this.notAllowed = false |
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} |
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componentDidMount () { |
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this.initCamera() |
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} |
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if (!this.scanning) { |
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this.scanning = true |
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this.initCamera() |
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async checkPermisisions () { |
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const { permissions } = await WebcamUtils.checkStatus() |
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if (permissions) { |
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clearTimeout(this.permissionChecker) |
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// Let the video stream load first...
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setTimeout(_ => { |
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this.setState({ |
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ready: true, |
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msg: this.context.t('scanInstructions'), |
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}) |
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}, 2000) |
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} else { |
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// Keep checking for permissions
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this.permissionChecker = setTimeout(_ => { |
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console.log('[QR-SCANNER]: time to check again!') |
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this.checkPermisisions() |
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}, 1000) |
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} |
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} |
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componentWillUnmount () { |
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this.codeReader.reset() |
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clearTimeout(this.permissionChecker) |
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if (this.codeReader) { |
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this.codeReader.reset() |
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} |
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} |
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initCamera () { |
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this.codeReader = new BrowserQRCodeReader() |
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this.codeReader.getVideoInputDevices() |
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.then(videoInputDevices => { |
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setTimeout(_ => { |
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if (!this.notAllowed) { |
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this.setState({ |
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ready: true, |
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msg: this.context.t('scanInstructions')}) |
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} |
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}, 2000) |
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this.codeReader.decodeFromInputVideoDevice(videoInputDevices[0].deviceId, 'video') |
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clearTimeout(this.permissionChecker) |
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this.checkPermisisions() |
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this.codeReader.decodeFromInputVideoDevice(undefined, 'video') |
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.then(content => { |
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const result = this.parseContent(content.text) |
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if (result.type !== 'unknown') { |
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this.props.qrCodeDetected(result) |
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@ -70,18 +87,14 @@ export default class QrScanner extends Component { |
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} |
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}) |
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.catch(err => { |
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this.notAllowed = true |
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if (err && err.name === 'NotAllowedError') { |
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if (getEnvironmentType(window.location.href) === ENVIRONMENT_TYPE_POPUP) { |
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global.platform.openExtensionInBrowser(`${SEND_ROUTE}`, `scan=true`) |
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} else { |
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this.setState({msg: this.context.t('youNeedToAllowCameraAccess')}) |
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} |
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this.setState({msg: this.context.t('youNeedToAllowCameraAccess')}) |
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clearTimeout(this.permissionChecker) |
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this.checkPermisisions() |
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} |
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console.error('QR-SCANNER: decodeFromInputVideoDevice threw an exception: ', err) |
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}) |
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}).catch(err => { |
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console.error('QR-SCANNER: getVideoInputDevices threw an exception: ', err) |
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console.error('[QR-SCANNER]: getVideoInputDevices threw an exception: ', err) |
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}) |
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} |
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@ -103,31 +116,36 @@ export default class QrScanner extends Component { |
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stopAndClose = () => { |
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this.codeReader.reset() |
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this.scanning = false |
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this.setState({ ready: false }) |
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this.props.hideModal() |
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} |
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renderVideo () { |
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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: this.state.ready ? 'block' : 'none', |
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}} |
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/> |
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{ !this.state.ready ? <Spinner color={'#F7C06C'} /> : null} |
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</div> |
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) |
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} |
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render () { |
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const { t } = this.context |
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return ( |
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<div className="qr-scanner"> |
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<div className="qr-scanner__title"> |
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{ `${t('scanQrCode')}?` } |
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{ `${t('scanQrCode')}` } |
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</div> |
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<div className="qr-scanner__content"> |
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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: this.state.ready ? 'block' : 'none', |
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}} |
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/> |
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{ !this.state.ready ? <Spinner color={'#F7C06C'} /> : null} |
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</div> |
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{ !this.props.error ? this.renderVideo() : null} |
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</div> |
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<div className="qr-scanner__status"> |
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<div className={`qr-scanner__status ${this.props.error ? 'error' : ''}`}> |
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{this.state.msg} |
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</div> |
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</div> |
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brunobar79
6 years ago