about summary refs log tree commit diff
path: root/app/javascript/flavours/glitch/features/ui/components/media_modal.js
blob: ce6660480b1da6fdc5a20b53367d2b92ceb55ac2 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
import React from 'react';
import ReactSwipeableViews from 'react-swipeable-views';
import ImmutablePropTypes from 'react-immutable-proptypes';
import PropTypes from 'prop-types';
import Video from 'flavours/glitch/features/video';
import ExtendedVideoPlayer from 'flavours/glitch/components/extended_video_player';
import classNames from 'classnames';
import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
import IconButton from 'flavours/glitch/components/icon_button';
import ImmutablePureComponent from 'react-immutable-pure-component';
import ImageLoader from './image_loader';

const messages = defineMessages({
  close: { id: 'lightbox.close', defaultMessage: 'Close' },
  previous: { id: 'lightbox.previous', defaultMessage: 'Previous' },
  next: { id: 'lightbox.next', defaultMessage: 'Next' },
});

@injectIntl
export default class MediaModal extends ImmutablePureComponent {

  static contextTypes = {
    router: PropTypes.object,
  };

  static propTypes = {
    media: ImmutablePropTypes.list.isRequired,
    status: ImmutablePropTypes.map,
    index: PropTypes.number.isRequired,
    onClose: PropTypes.func.isRequired,
    intl: PropTypes.object.isRequired,
  };

  state = {
    index: null,
    navigationHidden: false,
  };

  handleSwipe = (index) => {
    this.setState({ index: index % this.props.media.size });
  }

  handleNextClick = () => {
    this.setState({ index: (this.getIndex() + 1) % this.props.media.size });
  }

  handlePrevClick = () => {
    this.setState({ index: (this.props.media.size + this.getIndex() - 1) % this.props.media.size });
  }

  handleChangeIndex = (e) => {
    const index = Number(e.currentTarget.getAttribute('data-index'));
    this.setState({ index: index % this.props.media.size });
  }

  handleKeyDown = (e) => {
    switch(e.key) {
    case 'ArrowLeft':
      this.handlePrevClick();
      e.preventDefault();
      e.stopPropagation();
      break;
    case 'ArrowRight':
      this.handleNextClick();
      e.preventDefault();
      e.stopPropagation();
      break;
    }
  }

  componentDidMount () {
    window.addEventListener('keydown', this.handleKeyDown, false);
  }

  componentWillUnmount () {
    window.removeEventListener('keydown', this.handleKeyDown);
  }

  getIndex () {
    return this.state.index !== null ? this.state.index : this.props.index;
  }

  toggleNavigation = () => {
    this.setState(prevState => ({
      navigationHidden: !prevState.navigationHidden,
    }));
  };

  handleStatusClick = e => {
    if (e.button === 0 && !(e.ctrlKey || e.metaKey)) {
      e.preventDefault();
      this.context.router.history.push(`/statuses/${this.props.status.get('id')}`);
    }
  }

  render () {
    const { media, status, intl, onClose } = this.props;
    const { navigationHidden } = this.state;

    const index = this.getIndex();
    let pagination = [];

    const leftNav  = media.size > 1 && <button tabIndex='0' className='media-modal__nav media-modal__nav--left' onClick={this.handlePrevClick} aria-label={intl.formatMessage(messages.previous)}><i className='fa fa-fw fa-chevron-left' /></button>;
    const rightNav = media.size > 1 && <button tabIndex='0' className='media-modal__nav  media-modal__nav--right' onClick={this.handleNextClick} aria-label={intl.formatMessage(messages.next)}><i className='fa fa-fw fa-chevron-right' /></button>;

    if (media.size > 1) {
      pagination = media.map((item, i) => {
        const classes = ['media-modal__button'];
        if (i === index) {
          classes.push('media-modal__button--active');
        }
        return (<li className='media-modal__page-dot' key={i}><button tabIndex='0' className={classes.join(' ')} onClick={this.handleChangeIndex} data-index={i}>{i + 1}</button></li>);
      });
    }

    const content = media.map((image) => {
      const width  = image.getIn(['meta', 'original', 'width']) || null;
      const height = image.getIn(['meta', 'original', 'height']) || null;

      if (image.get('type') === 'image') {
        return (
          <ImageLoader
            previewSrc={image.get('preview_url')}
            src={image.get('url')}
            width={width}
            height={height}
            alt={image.get('description')}
            key={image.get('url')}
            onClick={this.toggleNavigation}
          />
        );
      } else if (image.get('type') === 'video') {
        const { time } = this.props;

        return (
          <Video
            preview={image.get('preview_url')}
            blurhash={image.get('blurhash')}
            src={image.get('url')}
            width={image.get('width')}
            height={image.get('height')}
            startTime={time || 0}
            onCloseVideo={onClose}
            detailed
            alt={image.get('description')}
            key={image.get('url')}
          />
        );
      } else if (image.get('type') === 'gifv') {
        return (
          <ExtendedVideoPlayer
            src={image.get('url')}
            muted
            controls={false}
            width={width}
            height={height}
            key={image.get('preview_url')}
            alt={image.get('description')}
            onClick={this.toggleNavigation}
          />
        );
      }

      return null;
    }).toArray();

    // you can't use 100vh, because the viewport height is taller
    // than the visible part of the document in some mobile
    // browsers when it's address bar is visible.
    // https://developers.google.com/web/updates/2016/12/url-bar-resizing
    const swipeableViewsStyle = {
      width: '100%',
      height: '100%',
    };

    const containerStyle = {
      alignItems: 'center', // center vertically
    };

    const navigationClassName = classNames('media-modal__navigation', {
      'media-modal__navigation--hidden': navigationHidden,
    });

    return (
      <div className='modal-root__modal media-modal'>
        <div
          className='media-modal__closer'
          role='presentation'
          onClick={onClose}
        >
          <ReactSwipeableViews
            style={swipeableViewsStyle}
            containerStyle={containerStyle}
            onChangeIndex={this.handleSwipe}
            onSwitching={this.handleSwitching}
            index={index}
          >
            {content}
          </ReactSwipeableViews>
        </div>

        <div className={navigationClassName}>
          <IconButton className='media-modal__close' title={intl.formatMessage(messages.close)} icon='times' onClick={onClose} size={40} />

          {leftNav}
          {rightNav}

          {status && (
            <div className={classNames('media-modal__meta', { 'media-modal__meta--shifted': media.size > 1 })}>
              <a href={status.get('url')} onClick={this.handleStatusClick}><FormattedMessage id='lightbox.view_context' defaultMessage='View context' /></a>
            </div>
          )}

          <ul className='media-modal__pagination'>
            {pagination}
          </ul>
        </div>
      </div>
    );
  }

}