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- import React from 'react';
- import ImmutablePropTypes from 'react-immutable-proptypes';
- import PropTypes from 'prop-types';
- import ImmutablePureComponent from 'react-immutable-pure-component';
- import { connect } from 'react-redux';
- import classNames from 'classnames';
- import { changeUploadCompose } from '../../../actions/compose';
- import { getPointerPosition } from '../../video';
- import { FormattedMessage, defineMessages, injectIntl } from 'react-intl';
- import IconButton from 'mastodon/components/icon_button';
- import Button from 'mastodon/components/button';
- import Video from 'mastodon/features/video';
- import { TesseractWorker } from 'tesseract.js';
- import Textarea from 'react-textarea-autosize';
- import UploadProgress from 'mastodon/features/compose/components/upload_progress';
- import CharacterCounter from 'mastodon/features/compose/components/character_counter';
- import { length } from 'stringz';
- const messages = defineMessages({
- close: { id: 'lightbox.close', defaultMessage: 'Close' },
- apply: { id: 'upload_modal.apply', defaultMessage: 'Apply' },
- placeholder: { id: 'upload_modal.description_placeholder', defaultMessage: 'A quick brown fox jumps over the lazy dog' },
- });
- const mapStateToProps = (state, { id }) => ({
- media: state.getIn(['compose', 'media_attachments']).find(item => item.get('id') === id),
- });
- const mapDispatchToProps = (dispatch, { id }) => ({
- onSave: (description, x, y) => {
- dispatch(changeUploadCompose(id, { description, focus: `${x.toFixed(2)},${y.toFixed(2)}` }));
- },
- });
- const removeExtraLineBreaks = str => str.replace(/\n\n/g, '******')
- .replace(/\n/g, ' ')
- .replace(/\*\*\*\*\*\*/g, '\n\n');
- const assetHost = process.env.CDN_HOST || '';
- export default @connect(mapStateToProps, mapDispatchToProps)
- @injectIntl
- class FocalPointModal extends ImmutablePureComponent {
- static propTypes = {
- media: ImmutablePropTypes.map.isRequired,
- onClose: PropTypes.func.isRequired,
- intl: PropTypes.object.isRequired,
- };
- state = {
- x: 0,
- y: 0,
- focusX: 0,
- focusY: 0,
- dragging: false,
- description: '',
- dirty: false,
- progress: 0,
- };
- componentWillMount () {
- this.updatePositionFromMedia(this.props.media);
- }
- componentWillReceiveProps (nextProps) {
- if (this.props.media.get('id') !== nextProps.media.get('id')) {
- this.updatePositionFromMedia(nextProps.media);
- }
- }
- componentWillUnmount () {
- document.removeEventListener('mousemove', this.handleMouseMove);
- document.removeEventListener('mouseup', this.handleMouseUp);
- }
- handleMouseDown = e => {
- document.addEventListener('mousemove', this.handleMouseMove);
- document.addEventListener('mouseup', this.handleMouseUp);
- this.updatePosition(e);
- this.setState({ dragging: true });
- }
- handleMouseMove = e => {
- this.updatePosition(e);
- }
- handleMouseUp = () => {
- document.removeEventListener('mousemove', this.handleMouseMove);
- document.removeEventListener('mouseup', this.handleMouseUp);
- this.setState({ dragging: false });
- }
- updatePosition = e => {
- const { x, y } = getPointerPosition(this.node, e);
- const focusX = (x - .5) * 2;
- const focusY = (y - .5) * -2;
- this.setState({ x, y, focusX, focusY, dirty: true });
- }
- updatePositionFromMedia = media => {
- const focusX = media.getIn(['meta', 'focus', 'x']);
- const focusY = media.getIn(['meta', 'focus', 'y']);
- const description = media.get('description') || '';
- if (focusX && focusY) {
- const x = (focusX / 2) + .5;
- const y = (focusY / -2) + .5;
- this.setState({
- x,
- y,
- focusX,
- focusY,
- description,
- dirty: false,
- });
- } else {
- this.setState({
- x: 0.5,
- y: 0.5,
- focusX: 0,
- focusY: 0,
- description,
- dirty: false,
- });
- }
- }
- handleChange = e => {
- this.setState({ description: e.target.value, dirty: true });
- }
- handleSubmit = () => {
- this.props.onSave(this.state.description, this.state.focusX, this.state.focusY);
- this.props.onClose();
- }
- setRef = c => {
- this.node = c;
- }
- handleTextDetection = () => {
- const { media } = this.props;
- const worker = new TesseractWorker({
- workerPath: `${assetHost}/packs/ocr/worker.min.js`,
- corePath: `${assetHost}/packs/ocr/tesseract-core.wasm.js`,
- langPath: `${assetHost}/ocr/lang-data`,
- });
- this.setState({ detecting: true });
- worker.recognize(media.get('url'))
- .progress(({ progress }) => this.setState({ progress }))
- .finally(() => worker.terminate())
- .then(({ text }) => this.setState({ description: removeExtraLineBreaks(text), dirty: true, detecting: false }))
- .catch(() => this.setState({ detecting: false }));
- }
- render () {
- const { media, intl, onClose } = this.props;
- const { x, y, dragging, description, dirty, detecting, progress } = this.state;
- const width = media.getIn(['meta', 'original', 'width']) || null;
- const height = media.getIn(['meta', 'original', 'height']) || null;
- const focals = ['image', 'gifv'].includes(media.get('type'));
- const previewRatio = 16/9;
- const previewWidth = 200;
- const previewHeight = previewWidth / previewRatio;
- return (
- <div className='modal-root__modal report-modal' style={{ maxWidth: 960 }}>
- <div className='report-modal__target'>
- <IconButton className='media-modal__close' title={intl.formatMessage(messages.close)} icon='times' onClick={onClose} size={16} />
- <FormattedMessage id='upload_modal.edit_media' defaultMessage='Edit media' />
- </div>
- <div className='report-modal__container'>
- <div className='report-modal__comment'>
- {focals && <p><FormattedMessage id='upload_modal.hint' defaultMessage='Click or drag the circle on the preview to choose the focal point which will always be in view on all thumbnails.' /></p>}
- <label className='setting-text-label' htmlFor='upload-modal__description'><FormattedMessage id='upload_form.description' defaultMessage='Describe for the visually impaired' /></label>
- <div className='setting-text__wrapper'>
- <Textarea
- id='upload-modal__description'
- className='setting-text light'
- value={detecting ? '…' : description}
- onChange={this.handleChange}
- disabled={detecting}
- autoFocus
- />
- <div className='setting-text__modifiers'>
- <UploadProgress progress={progress * 100} active={detecting} icon='file-text-o' message={<FormattedMessage id='upload_modal.analyzing_picture' defaultMessage='Analyzing picture…' />} />
- </div>
- </div>
- <div className='setting-text__toolbar'>
- <button disabled={detecting || media.get('type') !== 'image'} className='link-button' onClick={this.handleTextDetection}><FormattedMessage id='upload_modal.detect_text' defaultMessage='Detect text from picture' /></button>
- <CharacterCounter max={420} text={detecting ? '' : description} />
- </div>
- <Button disabled={!dirty || detecting || length(description) > 420} text={intl.formatMessage(messages.apply)} onClick={this.handleSubmit} />
- </div>
- <div className='report-modal__statuses'>
- {focals && (
- <div className={classNames('focal-point', { dragging })} ref={this.setRef}>
- {media.get('type') === 'image' && <img src={media.get('url')} width={width} height={height} alt='' />}
- {media.get('type') === 'gifv' && <video src={media.get('url')} width={width} height={height} loop muted autoPlay />}
- <div className='focal-point__preview'>
- <strong><FormattedMessage id='upload_modal.preview_label' defaultMessage='Preview ({ratio})' values={{ ratio: '16:9' }} /></strong>
- <div style={{ width: previewWidth, height: previewHeight, backgroundImage: `url(${media.get('preview_url')})`, backgroundSize: 'cover', backgroundPosition: `${x * 100}% ${y * 100}%` }} />
- </div>
- <div className='focal-point__reticle' style={{ top: `${y * 100}%`, left: `${x * 100}%` }} />
- <div className='focal-point__overlay' onMouseDown={this.handleMouseDown} />
- </div>
- )}
- {['audio', 'video'].includes(media.get('type')) && (
- <Video
- preview={media.get('preview_url')}
- blurhash={media.get('blurhash')}
- src={media.get('url')}
- detailed
- editable
- />
- )}
- </div>
- </div>
- </div>
- );
- }
- }
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