about summary refs log tree commit diff
path: root/src/components/Post/Embed/VideoEmbed/index.tsx
blob: fe29ecad634b962d11d1ee928977a02f1eca8557 (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
import React, {useCallback, useState} from 'react'
import {ActivityIndicator, View} from 'react-native'
import {ImageBackground} from 'expo-image'
import {AppBskyEmbedVideo} from '@atproto/api'
import {msg, Trans} from '@lingui/macro'
import {useLingui} from '@lingui/react'

import {ErrorBoundary} from '#/view/com/util/ErrorBoundary'
import {ConstrainedImage} from '#/view/com/util/images/AutoSizedImage'
import {atoms as a, useTheme} from '#/alf'
import {Button} from '#/components/Button'
import {useThrottledValue} from '#/components/hooks/useThrottledValue'
import {PlayButtonIcon} from '#/components/video/PlayButtonIcon'
import {VideoEmbedInnerNative} from './VideoEmbedInner/VideoEmbedInnerNative'
import * as VideoFallback from './VideoEmbedInner/VideoFallback'

interface Props {
  embed: AppBskyEmbedVideo.View
  crop?: 'none' | 'square' | 'constrained'
}

export function VideoEmbed({embed, crop}: Props) {
  const t = useTheme()
  const [key, setKey] = useState(0)

  const renderError = useCallback(
    (error: unknown) => (
      <VideoError error={error} retry={() => setKey(key + 1)} />
    ),
    [key],
  )

  let aspectRatio: number | undefined
  const dims = embed.aspectRatio
  if (dims) {
    aspectRatio = dims.width / dims.height
    if (Number.isNaN(aspectRatio)) {
      aspectRatio = undefined
    }
  }

  let constrained: number | undefined
  let max: number | undefined
  if (aspectRatio !== undefined) {
    const ratio = 1 / 2 // max of 1:2 ratio in feeds
    constrained = Math.max(aspectRatio, ratio)
    max = Math.max(aspectRatio, 0.25) // max of 1:4 in thread
  }
  const cropDisabled = crop === 'none'

  const contents = (
    <ErrorBoundary renderError={renderError} key={key}>
      <InnerWrapper embed={embed} />
    </ErrorBoundary>
  )

  return (
    <View style={[a.pt_xs]}>
      {cropDisabled ? (
        <View
          style={[
            a.w_full,
            a.overflow_hidden,
            {aspectRatio: max ?? 1},
            a.rounded_md,
            a.overflow_hidden,
            t.atoms.bg_contrast_25,
          ]}>
          {contents}
        </View>
      ) : (
        <ConstrainedImage
          fullBleed={crop === 'square'}
          aspectRatio={constrained || 1}>
          {contents}
        </ConstrainedImage>
      )}
    </View>
  )
}

function InnerWrapper({embed}: Props) {
  const {_} = useLingui()
  const ref = React.useRef<{togglePlayback: () => void}>(null)

  const [status, setStatus] = React.useState<'playing' | 'paused' | 'pending'>(
    'pending',
  )
  const [isLoading, setIsLoading] = React.useState(false)
  const [isActive, setIsActive] = React.useState(false)
  const showSpinner = useThrottledValue(isActive && isLoading, 100)

  const showOverlay =
    !isActive ||
    isLoading ||
    (status === 'paused' && !isActive) ||
    status === 'pending'

  React.useEffect(() => {
    if (!isActive && status !== 'pending') {
      setStatus('pending')
    }
  }, [isActive, status])

  return (
    <>
      <VideoEmbedInnerNative
        embed={embed}
        setStatus={setStatus}
        setIsLoading={setIsLoading}
        setIsActive={setIsActive}
        ref={ref}
      />
      <ImageBackground
        source={{uri: embed.thumbnail}}
        accessibilityIgnoresInvertColors
        style={[
          a.absolute,
          a.inset_0,
          {
            backgroundColor: 'transparent', // If you don't add `backgroundColor` to the styles here,
            // the play button won't show up on the first render on android 🥴😮‍💨
            display: showOverlay ? 'flex' : 'none',
          },
        ]}
        cachePolicy="memory-disk" // Preferring memory cache helps to avoid flicker when re-displaying on android
      >
        {showOverlay && (
          <Button
            style={[a.flex_1, a.align_center, a.justify_center]}
            onPress={() => {
              ref.current?.togglePlayback()
            }}
            label={_(msg`Play video`)}
            color="secondary">
            {showSpinner ? (
              <View
                style={[
                  a.rounded_full,
                  a.p_xs,
                  a.align_center,
                  a.justify_center,
                ]}>
                <ActivityIndicator size="large" color="white" />
              </View>
            ) : (
              <PlayButtonIcon />
            )}
          </Button>
        )}
      </ImageBackground>
    </>
  )
}

function VideoError({retry}: {error: unknown; retry: () => void}) {
  return (
    <VideoFallback.Container>
      <VideoFallback.Text>
        <Trans>
          An error occurred while loading the video. Please try again later.
        </Trans>
      </VideoFallback.Text>
      <VideoFallback.RetryButton onPress={retry} />
    </VideoFallback.Container>
  )
}