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