about summary refs log tree commit diff
path: root/app/javascript/flavours/glitch/components/status_list.js
blob: 5249af76d58462f8e8866abadf58585f4c73a9f0 (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
import { debounce } from 'lodash';
import React from 'react';
import ImmutablePropTypes from 'react-immutable-proptypes';
import PropTypes from 'prop-types';
import StatusContainer from 'flavours/glitch/containers/status_container';
import ImmutablePureComponent from 'react-immutable-pure-component';
import LoadGap from './load_gap';
import ScrollableList from './scrollable_list';
import { FormattedMessage } from 'react-intl';

export default class StatusList extends ImmutablePureComponent {

  static propTypes = {
    scrollKey: PropTypes.string.isRequired,
    statusIds: ImmutablePropTypes.list.isRequired,
    featuredStatusIds: ImmutablePropTypes.list,
    onLoadMore: PropTypes.func,
    onScrollToTop: PropTypes.func,
    onScroll: PropTypes.func,
    trackScroll: PropTypes.bool,
    shouldUpdateScroll: PropTypes.func,
    isLoading: PropTypes.bool,
    isPartial: PropTypes.bool,
    hasMore: PropTypes.bool,
    prepend: PropTypes.node,
    alwaysPrepend: PropTypes.bool,
    emptyMessage: PropTypes.node,
    timelineId: PropTypes.string,
  };

  static defaultProps = {
    trackScroll: true,
  };

  getFeaturedStatusCount = () => {
    return this.props.featuredStatusIds ? this.props.featuredStatusIds.size : 0;
  }

  getCurrentStatusIndex = (id, featured) => {
    if (featured) {
      return this.props.featuredStatusIds.indexOf(id);
    } else {
      return this.props.statusIds.indexOf(id) + this.getFeaturedStatusCount();
    }
  }

  handleMoveUp = (id, featured) => {
    const elementIndex = this.getCurrentStatusIndex(id, featured) - 1;
    this._selectChild(elementIndex);
  }

  handleMoveDown = (id, featured) => {
    const elementIndex = this.getCurrentStatusIndex(id, featured) + 1;
    this._selectChild(elementIndex);
  }

  handleLoadOlder = debounce(() => {
    this.props.onLoadMore(this.props.statusIds.size > 0 ? this.props.statusIds.last() : undefined);
  }, 300, { leading: true })

  _selectChild (index) {
    const element = this.node.node.querySelector(`article:nth-of-type(${index + 1}) .focusable`);

    if (element) {
      element.focus();
    }
  }

  setRef = c => {
    this.node = c;
  }

  render () {
    const { statusIds, featuredStatusIds, onLoadMore, timelineId, ...other }  = this.props;
    const { isLoading, isPartial } = other;

    if (isPartial) {
      return (
        <div className='regeneration-indicator'>
          <div>
            <div className='regeneration-indicator__figure' />

            <div className='regeneration-indicator__label'>
              <FormattedMessage id='regeneration_indicator.label' tagName='strong' defaultMessage='Loading&hellip;' />
              <FormattedMessage id='regeneration_indicator.sublabel' defaultMessage='Your home feed is being prepared!' />
            </div>
          </div>
        </div>
      );
    }

    let scrollableContent = (isLoading || statusIds.size > 0) ? (
      statusIds.map((statusId, index) => statusId === null ? (
        <LoadGap
          key={'gap:' + statusIds.get(index + 1)}
          disabled={isLoading}
          maxId={index > 0 ? statusIds.get(index - 1) : null}
          onClick={onLoadMore}
        />
      ) : (
        <StatusContainer
          key={statusId}
          id={statusId}
          onMoveUp={this.handleMoveUp}
          onMoveDown={this.handleMoveDown}
          contextType={timelineId}
        />
      ))
    ) : null;

    if (scrollableContent && featuredStatusIds) {
      scrollableContent = featuredStatusIds.map(statusId => (
        <StatusContainer
          key={`f-${statusId}`}
          id={statusId}
          featured
          onMoveUp={this.handleMoveUp}
          onMoveDown={this.handleMoveDown}
          contextType={timelineId}
        />
      )).concat(scrollableContent);
    }

    return (
      <ScrollableList {...other} showLoading={isLoading && statusIds.size === 0} onLoadMore={onLoadMore && this.handleLoadOlder} ref={this.setRef}>
        {scrollableContent}
      </ScrollableList>
    );
  }

}