| |
| import * as React from 'react'; |
| import { connect } from 'react-redux'; |
| import { closeGallery } from 'src/actions/gallery'; |
| import type { GetMediaMessagesForThreadType } from 'shared/graphql/queries/message/getMediaMessagesForThread'; |
| import type { Dispatch } from 'redux'; |
| import { |
| Overlay, |
| ActiveImage, |
| Minigallery, |
| MiniImg, |
| MiniContainer, |
| CloseButton, |
| GalleryWrapper, |
| } from './style'; |
| import { ESC, ARROW_LEFT, ARROW_RIGHT } from 'src/helpers/keycodes'; |
|
|
| type State = { |
| images: Array<Object>, |
| activeMessageId: string, |
| index: ?number, |
| }; |
|
|
| type Props = { |
| dispatch: Dispatch<Object>, |
| data: { |
| messages?: GetMediaMessagesForThreadType, |
| }, |
| activeMessageId: string, |
| }; |
|
|
| class Browser extends React.Component<Props, State> { |
| constructor(props) { |
| super(props); |
| |
| if (!props.data.messages || props.data.messages.length === 0) { |
| this.state = { |
| images: [], |
| activeMessageId: props.activeMessageId, |
| index: null, |
| }; |
| } |
|
|
| let index; |
| props.data.messages.map((message, i) => { |
| if (message.id === props.activeMessageId) { |
| index = i; |
| return message; |
| } else { |
| return message; |
| } |
| }); |
|
|
| this.state = { |
| images: props.data.messages, |
| activeMessageId: props.activeMessageId, |
| index, |
| }; |
| } |
|
|
| componentDidMount() { |
| |
| document.addEventListener('keydown', this.handleKeyPress, false); |
| } |
|
|
| componentWillUnmount() { |
| |
| document.removeEventListener('keydown', this.handleKeyPress, false); |
| } |
|
|
| closeGallery = () => { |
| this.props.dispatch(closeGallery()); |
| }; |
|
|
| handleKeyPress = e => { |
| const { images } = this.state; |
| |
| if (!images) return; |
|
|
| if (e.keyCode === ESC) { |
| this.closeGallery(); |
| } |
|
|
| if (e.keyCode === ARROW_LEFT) { |
| this.previousImage(); |
| } |
|
|
| if (e.keyCode === ARROW_RIGHT) { |
| this.nextImage(); |
| } |
| }; |
|
|
| previousImage = () => { |
| let { index, images } = this.state; |
|
|
| if (index === null) return; |
|
|
| if (index === 0) { |
| index = images.length - 1; |
| this.setState({ |
| index, |
| }); |
| } else { |
| |
| index -= 1; |
|
|
| this.setState({ |
| index, |
| }); |
| } |
| }; |
|
|
| nextImage = () => { |
| let { index, images } = this.state; |
| if (index === images.length - 1) { |
| index = 0; |
| this.setState({ |
| index, |
| }); |
| } else { |
| index += 1; |
|
|
| this.setState({ |
| index, |
| }); |
| } |
| }; |
|
|
| setCount = i => { |
| this.setState({ |
| index: i, |
| }); |
| }; |
|
|
| render() { |
| const { images, index } = this.state; |
| const { |
| data: { messages }, |
| } = this.props; |
|
|
| if (!messages || messages.length === 0) return null; |
|
|
| |
| |
| |
| let filteredIndex = typeof index === 'number' ? index : messages.length - 1; |
|
|
| const src = `${images[filteredIndex].content.body}`; |
|
|
| return ( |
| <GalleryWrapper> |
| <CloseButton onClick={this.closeGallery}>✕</CloseButton> |
| <Overlay onClick={this.closeGallery} onKeyDown={this.handleKeyPress} /> |
| <ActiveImage onClick={this.nextImage} src={src} /> |
| <Minigallery> |
| <MiniContainer> |
| {images.map((image, i) => { |
| return ( |
| <MiniImg |
| src={`${image.content.body}`} |
| key={i} |
| onClick={() => this.setCount(i)} |
| active={i === filteredIndex} |
| /> |
| ); |
| })} |
| </MiniContainer> |
| </Minigallery> |
| </GalleryWrapper> |
| ); |
| } |
| } |
|
|
| export default connect()(Browser); |
|
|
