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import React from 'react'
import {Pressable, StyleSheet, View} from 'react-native'
import {msg} from '@lingui/macro'
import {useLingui} from '@lingui/react'
import Graphemer from 'graphemer'
import {flushSync} from 'react-dom'
import TextareaAutosize from 'react-textarea-autosize'
import {isSafari, isTouchDevice} from '#/lib/browser'
import {MAX_DM_GRAPHEME_LENGTH} from '#/lib/constants'
import {useWebMediaQueries} from '#/lib/hooks/useWebMediaQueries'
import {
useMessageDraft,
useSaveMessageDraft,
} from '#/state/messages/message-drafts'
import {textInputWebEmitter} from '#/view/com/composer/text-input/textInputWebEmitter'
import {
type Emoji,
type EmojiPickerPosition,
} from '#/view/com/composer/text-input/web/EmojiPicker'
import * as Toast from '#/view/com/util/Toast'
import {atoms as a, useTheme} from '#/alf'
import {Button} from '#/components/Button'
import {useSharedInputStyles} from '#/components/forms/TextField'
import {EmojiArc_Stroke2_Corner0_Rounded as EmojiSmile} from '#/components/icons/Emoji'
import {PaperPlane_Stroke2_Corner0_Rounded as PaperPlane} from '#/components/icons/PaperPlane'
import {useExtractEmbedFromFacets} from './MessageInputEmbed'
export function MessageInput({
onSendMessage,
hasEmbed,
setEmbed,
children,
openEmojiPicker,
}: {
onSendMessage: (message: string) => void
hasEmbed: boolean
setEmbed: (embedUrl: string | undefined) => void
children?: React.ReactNode
openEmojiPicker?: (pos: EmojiPickerPosition) => void
}) {
const {isMobile} = useWebMediaQueries()
const {_} = useLingui()
const t = useTheme()
const {getDraft, clearDraft} = useMessageDraft()
const [message, setMessage] = React.useState(getDraft)
const inputStyles = useSharedInputStyles()
const isComposing = React.useRef(false)
const [isFocused, setIsFocused] = React.useState(false)
const [isHovered, setIsHovered] = React.useState(false)
const [textAreaHeight, setTextAreaHeight] = React.useState(38)
const textAreaRef = React.useRef<HTMLTextAreaElement>(null)
const onSubmit = React.useCallback(() => {
if (!hasEmbed && message.trim() === '') {
return
}
if (new Graphemer().countGraphemes(message) > MAX_DM_GRAPHEME_LENGTH) {
Toast.show(_(msg`Message is too long`), 'xmark')
return
}
clearDraft()
onSendMessage(message)
setMessage('')
setEmbed(undefined)
}, [message, onSendMessage, _, clearDraft, hasEmbed, setEmbed])
const onKeyDown = React.useCallback(
(e: React.KeyboardEvent<HTMLTextAreaElement>) => {
// Don't submit the form when the Japanese or any other IME is composing
if (isComposing.current) return
// see https://github.com/bluesky-social/social-app/issues/4178
// see https://www.stum.de/2016/06/24/handling-ime-events-in-javascript/
// see https://lists.w3.org/Archives/Public/www-dom/2010JulSep/att-0182/keyCode-spec.html
//
// On Safari, the final keydown event to dismiss the IME - which is the enter key - is also "Enter" below.
// Obviously, this causes problems because the final dismissal should _not_ submit the text, but should just
// stop the IME editing. This is the behavior of Chrome and Firefox, but not Safari.
//
// Keycode is deprecated, however the alternative seems to only be to compare the timestamp from the
// onCompositionEnd event to the timestamp of the keydown event, which is not reliable. For example, this hack
// uses that method: https://github.com/ProseMirror/prosemirror-view/pull/44. However, from my 500ms resulted in
// far too long of a delay, and a subsequent enter press would often just end up doing nothing. A shorter time
// frame was also not great, since it was too short to be reliable (i.e. an older system might have a larger
// time gap between the two events firing.
if (isSafari && e.key === 'Enter' && e.keyCode === 229) {
return
}
if (e.key === 'Enter') {
if (e.shiftKey) return
e.preventDefault()
onSubmit()
}
},
[onSubmit],
)
const onChange = React.useCallback(
(e: React.ChangeEvent<HTMLTextAreaElement>) => {
setMessage(e.target.value)
},
[],
)
const onEmojiInserted = React.useCallback(
(emoji: Emoji) => {
if (!textAreaRef.current) {
return
}
const position = textAreaRef.current.selectionStart ?? 0
textAreaRef.current.focus()
flushSync(() => {
setMessage(
message =>
message.slice(0, position) + emoji.native + message.slice(position),
)
})
textAreaRef.current.selectionStart = position + emoji.native.length
textAreaRef.current.selectionEnd = position + emoji.native.length
},
[setMessage],
)
React.useEffect(() => {
textInputWebEmitter.addListener('emoji-inserted', onEmojiInserted)
return () => {
textInputWebEmitter.removeListener('emoji-inserted', onEmojiInserted)
}
}, [onEmojiInserted])
useSaveMessageDraft(message)
useExtractEmbedFromFacets(message, setEmbed)
return (
<View style={a.p_sm}>
{children}
<View
style={[
a.flex_row,
t.atoms.bg_contrast_25,
{
paddingRight: a.p_sm.padding - 2,
paddingLeft: a.p_sm.padding - 2,
borderWidth: 1,
borderRadius: 23,
borderColor: 'transparent',
height: textAreaHeight + 23,
},
isHovered && inputStyles.chromeHover,
isFocused && inputStyles.chromeFocus,
]}
// @ts-expect-error web only
onMouseEnter={() => setIsHovered(true)}
onMouseLeave={() => setIsHovered(false)}>
<Button
onPress={e => {
e.currentTarget.measure((_fx, _fy, _width, _height, px, py) => {
openEmojiPicker?.({
top: py,
left: px,
right: px,
bottom: py,
nextFocusRef:
textAreaRef as unknown as React.MutableRefObject<HTMLElement>,
})
})
}}
style={[
a.rounded_full,
a.overflow_hidden,
a.align_center,
a.justify_center,
{
marginTop: 5,
height: 30,
width: 30,
},
]}
label={_(msg`Open emoji picker`)}>
{state => (
<View
style={[
a.absolute,
a.inset_0,
a.align_center,
a.justify_center,
{
backgroundColor:
state.hovered || state.focused || state.pressed
? t.atoms.bg.backgroundColor
: undefined,
},
]}>
<EmojiSmile size="lg" />
</View>
)}
</Button>
<TextareaAutosize
ref={textAreaRef}
style={StyleSheet.flatten([
a.flex_1,
a.px_sm,
a.border_0,
t.atoms.text,
{
paddingTop: 10,
backgroundColor: 'transparent',
resize: 'none',
},
])}
maxRows={12}
placeholder={_(msg`Write a message`)}
defaultValue=""
value={message}
dirName="ltr"
autoFocus={true}
onFocus={() => setIsFocused(true)}
onBlur={() => setIsFocused(false)}
onCompositionStart={() => {
isComposing.current = true
}}
onCompositionEnd={() => {
isComposing.current = false
}}
onHeightChange={height => setTextAreaHeight(height)}
onChange={onChange}
// On mobile web phones, we want to keep the same behavior as the native app. Do not submit the message
// in these cases.
onKeyDown={isTouchDevice && isMobile ? undefined : onKeyDown}
/>
<Pressable
accessibilityRole="button"
accessibilityLabel={_(msg`Send message`)}
accessibilityHint=""
style={[
a.rounded_full,
a.align_center,
a.justify_center,
{
height: 30,
width: 30,
marginTop: 5,
backgroundColor: t.palette.primary_500,
},
]}
onPress={onSubmit}>
<PaperPlane fill={t.palette.white} style={[a.relative, {left: 1}]} />
</Pressable>
</View>
</View>
)
}
|
