app/javascript/mastodon/components/media_gallery.js

   1 import React from 'react';
   2 import ImmutablePropTypes from 'react-immutable-proptypes';
   3 import PropTypes from 'prop-types';
   4 import { is } from 'immutable';
   5 import IconButton from './icon_button';
   6 import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
   7 import { isIOS } from '../is_mobile';
   8 import classNames from 'classnames';
   9 import sizeMe from 'react-sizeme';
  10
  11 const messages = defineMessages({
  12   toggle_visible: { id: 'media_gallery.toggle_visible', defaultMessage: 'Toggle visibility' },
  13 });
  14
  15 class Item extends React.PureComponent {
  16
  17   static contextTypes = {
  18     router: PropTypes.object,
  19   };
  20
  21   static propTypes = {
  22     attachment: ImmutablePropTypes.map.isRequired,
  23     standalone: PropTypes.bool,
  24     index: PropTypes.number.isRequired,
  25     size: PropTypes.number.isRequired,
  26     onClick: PropTypes.func.isRequired,
  27     autoPlayGif: PropTypes.bool,
  28   };
  29
  30   static defaultProps = {
  31     autoPlayGif: false,
  32     standalone: false,
  33     index: 0,
  34     size: 1,
  35   };
  36
  37   handleMouseEnter = (e) => {
  38     if (this.hoverToPlay()) {
  39       e.target.play();
  40     }
  41   }
  42
  43   handleMouseLeave = (e) => {
  44     if (this.hoverToPlay()) {
  45       e.target.pause();
  46       e.target.currentTime = 0;
  47     }
  48   }
  49
  50   hoverToPlay () {
  51     const { attachment, autoPlayGif } = this.props;
  52     return !autoPlayGif && attachment.get('type') === 'gifv';
  53   }
  54
  55   handleClick = (e) => {
  56     const { index, onClick } = this.props;
  57
  58     if (this.context.router && e.button === 0) {
  59       e.preventDefault();
  60       onClick(index);
  61     }
  62
  63     e.stopPropagation();
  64   }
  65
  66   render () {
  67     const { attachment, index, size, standalone } = this.props;
  68
  69     let width  = 50;
  70     let height = 100;
  71     let top    = 'auto';
  72     let left   = 'auto';
  73     let bottom = 'auto';
  74     let right  = 'auto';
  75
  76     if (size === 1) {
  77       width = 100;
  78     }
  79
  80     if (size === 4 || (size === 3 && index > 0)) {
  81       height = 50;
  82     }
  83
  84     if (size === 2) {
  85       if (index === 0) {
  86         right = '2px';
  87       } else {
  88         left = '2px';
  89       }
  90     } else if (size === 3) {
  91       if (index === 0) {
  92         right = '2px';
  93       } else if (index > 0) {
  94         left = '2px';
  95       }
  96
  97       if (index === 1) {
  98         bottom = '2px';
  99       } else if (index > 1) {
 100         top = '2px';
 101       }
 102     } else if (size === 4) {
 103       if (index === 0 || index === 2) {
 104         right = '2px';
 105       }
 106
 107       if (index === 1 || index === 3) {
 108         left = '2px';
 109       }
 110
 111       if (index < 2) {
 112         bottom = '2px';
 113       } else {
 114         top = '2px';
 115       }
 116     }
 117
 118     let thumbnail = '';
 119
 120     if (attachment.get('type') === 'image') {
 121       const previewUrl = attachment.get('preview_url');
 122       const previewWidth = attachment.getIn(['meta', 'small', 'width']);
 123
 124       const originalUrl = attachment.get('url');
 125       const originalWidth = attachment.getIn(['meta', 'original', 'width']);
 126
 127       const hasSize = typeof originalWidth === 'number' && typeof previewWidth === 'number';
 128
 129       const srcSet = hasSize ? `${originalUrl} ${originalWidth}w, ${previewUrl} ${previewWidth}w` : null;
 130       const sizes = hasSize ? `(min-width: 1025px) ${320 * (width / 100)}px, ${width}vw` : null;
 131
 132       thumbnail = (
 133         <a
 134           className='media-gallery__item-thumbnail'
 135           href={attachment.get('remote_url') || originalUrl}
 136           onClick={this.handleClick}
 137           target='_blank'
 138         >
 139           <img src={previewUrl} srcSet={srcSet} sizes={sizes} alt='' />
 140         </a>
 141       );
 142     } else if (attachment.get('type') === 'gifv') {
 143       const autoPlay = !isIOS() && this.props.autoPlayGif;
 144
 145       thumbnail = (
 146         <div className={classNames('media-gallery__gifv', { autoplay: autoPlay })}>
 147           <video
 148             className='media-gallery__item-gifv-thumbnail'
 149             role='application'
 150             src={attachment.get('url')}
 151             onClick={this.handleClick}
 152             onMouseEnter={this.handleMouseEnter}
 153             onMouseLeave={this.handleMouseLeave}
 154             autoPlay={autoPlay}
 155             loop
 156             muted
 157           />
 158
 159           <span className='media-gallery__gifv__label'>GIF</span>
 160         </div>
 161       );
 162     }
 163
 164     const style = standalone ? {} : { left, top, right, bottom, width: `${width}%`, height: `${height}%` };
 165
 166     return (
 167       <div className={classNames('media-gallery__item', { standalone })} key={attachment.get('id')} style={style}>
 168         {thumbnail}
 169       </div>
 170     );
 171   }
 172
 173 }
 174
 175 @injectIntl
 176 @sizeMe({})
 177 export default class MediaGallery extends React.PureComponent {
 178
 179   static propTypes = {
 180     sensitive: PropTypes.bool,
 181     standalone: PropTypes.bool,
 182     media: ImmutablePropTypes.list.isRequired,
 183     size: PropTypes.object,
 184     height: PropTypes.number.isRequired,
 185     onOpenMedia: PropTypes.func.isRequired,
 186     intl: PropTypes.object.isRequired,
 187     autoPlayGif: PropTypes.bool,
 188   };
 189
 190   static defaultProps = {
 191     autoPlayGif: false,
 192     standalone: false,
 193   };
 194
 195   state = {
 196     visible: !this.props.sensitive,
 197   };
 198
 199   componentWillReceiveProps (nextProps) {
 200     if (!is(nextProps.media, this.props.media)) {
 201       this.setState({ visible: !nextProps.sensitive });
 202     }
 203   }
 204
 205   handleOpen = () => {
 206     this.setState({ visible: !this.state.visible });
 207   }
 208
 209   handleClick = (index) => {
 210     this.props.onOpenMedia(this.props.media, index);
 211   }
 212
 213   render () {
 214     const { media, intl, sensitive, height, standalone, size } = this.props;
 215
 216     let children;
 217
 218     const standaloneEligible = standalone && size.width && media.size === 1 && media.getIn([0, 'meta', 'small', 'aspect']);
 219     const style = {};
 220
 221     if (standaloneEligible) {
 222       style.height = size.width / media.getIn([0, 'meta', 'small', 'aspect']);
 223     } else {
 224       style.height = height;
 225     }
 226
 227     if (!this.state.visible) {
 228       let warning;
 229
 230       if (sensitive) {
 231         warning = <FormattedMessage id='status.sensitive_warning' defaultMessage='Sensitive content' />;
 232       } else {
 233         warning = <FormattedMessage id='status.media_hidden' defaultMessage='Media hidden' />;
 234       }
 235
 236       children = (
 237         <button className='media-spoiler' onClick={this.handleOpen} style={style}>
 238           <span className='media-spoiler__warning'>{warning}</span>
 239           <span className='media-spoiler__trigger'><FormattedMessage id='status.sensitive_toggle' defaultMessage='Click to view' /></span>
 240         </button>
 241       );
 242     } else {
 243       const size = media.take(4).size;
 244
 245       if (standaloneEligible) {
 246         children = <Item standalone onClick={this.handleClick} attachment={media.get(0)} autoPlayGif={this.props.autoPlayGif} />;
 247       } else {
 248         children = media.take(4).map((attachment, i) => <Item key={attachment.get('id')} onClick={this.handleClick} attachment={attachment} autoPlayGif={this.props.autoPlayGif} index={i} size={size} />);
 249       }
 250     }
 251
 252     return (
 253       <div className='media-gallery' style={style}>
 254         <div className={classNames('spoiler-button', { 'spoiler-button--visible': this.state.visible })}>
 255           <IconButton title={intl.formatMessage(messages.toggle_visible)} icon={this.state.visible ? 'eye' : 'eye-slash'} overlay onClick={this.handleOpen} />
 256         </div>
 257
 258         {children}
 259       </div>
 260     );
 261   }
 262
 263 }