about summary refs log tree commit diff
path: root/src/view/com/composer/photos/ImageAltTextDialog.tsx
blob: e9e8d422248f8efceeb136afe60586e5a762042c (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
import React from 'react'
import {ImageStyle, useWindowDimensions, View} from 'react-native'
import {Image} from 'expo-image'
import {msg, Trans} from '@lingui/macro'
import {useLingui} from '@lingui/react'

import {MAX_ALT_TEXT} from '#/lib/constants'
import {enforceLen} from '#/lib/strings/helpers'
import {isAndroid, isWeb} from '#/platform/detection'
import {ComposerImage} from '#/state/gallery'
import {AltTextCounterWrapper} from '#/view/com/composer/AltTextCounterWrapper'
import {atoms as a, useTheme} from '#/alf'
import {Button, ButtonText} from '#/components/Button'
import * as Dialog from '#/components/Dialog'
import {DialogControlProps} from '#/components/Dialog'
import * as TextField from '#/components/forms/TextField'
import {CircleInfo_Stroke2_Corner0_Rounded as CircleInfo} from '#/components/icons/CircleInfo'
import {PortalComponent} from '#/components/Portal'
import {Text} from '#/components/Typography'

type Props = {
  control: Dialog.DialogOuterProps['control']
  image: ComposerImage
  onChange: (next: ComposerImage) => void
  Portal: PortalComponent
}

export const ImageAltTextDialog = ({
  control,
  image,
  onChange,
  Portal,
}: Props): React.ReactNode => {
  const [altText, setAltText] = React.useState(image.alt)

  return (
    <Dialog.Outer
      control={control}
      onClose={() => {
        onChange({
          ...image,
          alt: enforceLen(altText, MAX_ALT_TEXT, true),
        })
      }}
      Portal={Portal}>
      <Dialog.Handle />
      <ImageAltTextInner
        control={control}
        image={image}
        altText={altText}
        setAltText={setAltText}
      />
    </Dialog.Outer>
  )
}

const ImageAltTextInner = ({
  altText,
  setAltText,
  control,
  image,
}: {
  altText: string
  setAltText: (text: string) => void
  control: DialogControlProps
  image: Props['image']
}): React.ReactNode => {
  const {_, i18n} = useLingui()
  const t = useTheme()
  const windim = useWindowDimensions()

  const imageStyle = React.useMemo<ImageStyle>(() => {
    const maxWidth = isWeb ? 450 : windim.width
    const source = image.transformed ?? image.source

    if (source.height > source.width) {
      return {
        resizeMode: 'contain',
        width: '100%',
        aspectRatio: 1,
        borderRadius: 8,
      }
    }
    return {
      width: '100%',
      height: (maxWidth / source.width) * source.height,
      borderRadius: 8,
    }
  }, [image, windim])

  return (
    <Dialog.ScrollableInner label={_(msg`Add alt text`)}>
      <Dialog.Close />

      <View>
        <Text style={[a.text_2xl, a.font_bold, a.leading_tight, a.pb_sm]}>
          <Trans>Add alt text</Trans>
        </Text>

        <View style={[t.atoms.bg_contrast_50, a.rounded_sm, a.overflow_hidden]}>
          <Image
            style={imageStyle}
            source={{
              uri: (image.transformed ?? image.source).path,
            }}
            contentFit="contain"
            accessible={true}
            accessibilityIgnoresInvertColors
            enableLiveTextInteraction
          />
        </View>
      </View>

      <View style={[a.mt_md, a.gap_md]}>
        <View style={[a.gap_sm]}>
          <View style={[a.relative, {width: '100%'}]}>
            <TextField.LabelText>
              <Trans>Descriptive alt text</Trans>
            </TextField.LabelText>
            <TextField.Root>
              <Dialog.Input
                label={_(msg`Alt text`)}
                onChangeText={text => {
                  setAltText(text)
                }}
                defaultValue={altText}
                multiline
                numberOfLines={3}
                autoFocus
              />
            </TextField.Root>
          </View>

          {altText.length > MAX_ALT_TEXT && (
            <View style={[a.pb_sm, a.flex_row, a.gap_xs]}>
              <CircleInfo fill={t.palette.negative_500} />
              <Text
                style={[
                  a.italic,
                  a.leading_snug,
                  t.atoms.text_contrast_medium,
                ]}>
                <Trans>
                  Alt text will be truncated. Limit: {i18n.number(MAX_ALT_TEXT)}{' '}
                  characters.
                </Trans>
              </Text>
            </View>
          )}
        </View>

        <AltTextCounterWrapper altText={altText}>
          <Button
            label={_(msg`Save`)}
            disabled={altText === image.alt}
            size="large"
            color="primary"
            variant="solid"
            onPress={() => {
              control.close()
            }}
            style={[a.flex_grow]}>
            <ButtonText>
              <Trans>Save</Trans>
            </ButtonText>
          </Button>
        </AltTextCounterWrapper>
      </View>
      {/* Maybe fix this later -h */}
      {isAndroid ? <View style={{height: 300}} /> : null}
    </Dialog.ScrollableInner>
  )
}