diff options
Diffstat (limited to 'app/javascript/flavours/glitch/features/ui/components/focal_point_modal.js')
-rw-r--r-- | app/javascript/flavours/glitch/features/ui/components/focal_point_modal.js | 338 |
1 files changed, 338 insertions, 0 deletions
diff --git a/app/javascript/flavours/glitch/features/ui/components/focal_point_modal.js b/app/javascript/flavours/glitch/features/ui/components/focal_point_modal.js new file mode 100644 index 000000000..77e4bbfa5 --- /dev/null +++ b/app/javascript/flavours/glitch/features/ui/components/focal_point_modal.js @@ -0,0 +1,338 @@ +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 'flavours/glitch/actions/compose'; +import { getPointerPosition } from 'flavours/glitch/features/video'; +import { FormattedMessage, defineMessages, injectIntl } from 'react-intl'; +import IconButton from 'flavours/glitch/components/icon_button'; +import Button from 'flavours/glitch/components/button'; +import Video from 'flavours/glitch/features/video'; +import Audio from 'flavours/glitch/features/audio'; +import Textarea from 'react-textarea-autosize'; +import UploadProgress from 'flavours/glitch/features/compose/components/upload_progress'; +import CharacterCounter from 'flavours/glitch/features/compose/components/character_counter'; +import { length } from 'stringz'; +import { Tesseract as fetchTesseract } from 'flavours/glitch/util/async-components'; +import GIFV from 'flavours/glitch/components/gifv'; + +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 || ''; + +class ImageLoader extends React.PureComponent { + + static propTypes = { + src: PropTypes.string.isRequired, + width: PropTypes.number, + height: PropTypes.number, + }; + + state = { + loading: true, + }; + + componentDidMount() { + const image = new Image(); + image.addEventListener('load', () => this.setState({ loading: false })); + image.src = this.props.src; + } + + render () { + const { loading } = this.state; + + if (loading) { + return <canvas width={this.props.width} height={this.props.height} />; + } else { + return <img {...this.props} alt='' />; + } + } + +} + +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, + loading: true, + }; + + 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 }); + } + + handleTouchStart = e => { + document.addEventListener('touchmove', this.handleMouseMove); + document.addEventListener('touchend', this.handleTouchEnd); + + 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 }); + } + + handleTouchEnd = () => { + document.removeEventListener('touchmove', this.handleMouseMove); + document.removeEventListener('touchend', this.handleTouchEnd); + + 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 }); + } + + handleKeyDown = (e) => { + if (e.keyCode === 13 && (e.ctrlKey || e.metaKey)) { + e.preventDefault(); + e.stopPropagation(); + this.setState({ description: e.target.value, dirty: true }); + this.handleSubmit(); + } + } + + 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; + + this.setState({ detecting: true }); + + fetchTesseract().then(({ TesseractWorker }) => { + const worker = new TesseractWorker({ + workerPath: `${assetHost}/packs/ocr/worker.min.js`, + corePath: `${assetHost}/packs/ocr/tesseract-core.wasm.js`, + langPath: `${assetHost}/ocr/lang-data`, + }); + + let media_url = media.get('url'); + + if (window.URL && URL.createObjectURL) { + try { + media_url = URL.createObjectURL(media.get('file')); + } catch (error) { + console.error(error); + } + } + + worker.recognize(media_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 })); + }).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; + + let descriptionLabel = null; + + if (media.get('type') === 'audio') { + descriptionLabel = <FormattedMessage id='upload_form.audio_description' defaultMessage='Describe for people with hearing loss' />; + } else if (media.get('type') === 'video') { + descriptionLabel = <FormattedMessage id='upload_form.video_description' defaultMessage='Describe for people with hearing loss or visual impairment' />; + } else { + descriptionLabel = <FormattedMessage id='upload_form.description' defaultMessage='Describe for the visually impaired' />; + } + + 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'> + {descriptionLabel} + </label> + + <div className='setting-text__wrapper'> + <Textarea + id='upload-modal__description' + className='setting-text light' + value={detecting ? '…' : description} + onChange={this.handleChange} + onKeyDown={this.handleKeyDown} + 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={1500} text={detecting ? '' : description} /> + </div> + + <Button disabled={!dirty || detecting || length(description) > 1500} text={intl.formatMessage(messages.apply)} onClick={this.handleSubmit} /> + </div> + + <div className='focal-point-modal__content'> + {focals && ( + <div className={classNames('focal-point', { dragging })} ref={this.setRef} onMouseDown={this.handleMouseDown} onTouchStart={this.handleTouchStart}> + {media.get('type') === 'image' && <ImageLoader src={media.get('url')} width={width} height={height} alt='' />} + {media.get('type') === 'gifv' && <GIFV src={media.get('url')} width={width} height={height} />} + + <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' /> + </div> + )} + + {media.get('type') === 'video' && ( + <Video + preview={media.get('preview_url')} + blurhash={media.get('blurhash')} + src={media.get('url')} + detailed + inline + editable + /> + )} + + {media.get('type') === 'audio' && ( + <Audio + src={media.get('url')} + duration={media.getIn(['meta', 'original', 'duration'], 0)} + height={150} + preload + editable + /> + )} + </div> + </div> + </div> + ); + } + +} |