File size: 5,392 Bytes
fbad01d |
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 |
import {
useEffect,
useState,
useCallback,
ChangeEvent,
ClipboardEvent,
MouseEventHandler,
FormEvent,
useRef
} from "react"
import Image from 'next/image'
import PasteIcon from '@/assets/images/paste.svg'
import UploadIcon from '@/assets/images/upload.svg'
import CameraIcon from '@/assets/images/camera.svg'
import { useBing } from '@/lib/hooks/use-bing'
import { cn } from '@/lib/utils'
interface ChatImageProps extends Pick<ReturnType<typeof useBing>, 'uploadImage'> {}
const preventDefault: MouseEventHandler<HTMLDivElement> = (event) => {
event.nativeEvent.stopImmediatePropagation()
}
const toBase64 = (file: File): Promise<string> => new Promise((resolve, reject) => {
const reader = new FileReader()
reader.readAsDataURL(file)
reader.onload = () => resolve(reader.result as string)
reader.onerror = reject
})
export function ChatImage({ children, uploadImage }: React.PropsWithChildren<ChatImageProps>) {
const videoRef = useRef<HTMLVideoElement>(null)
const canvasRef = useRef<HTMLCanvasElement>(null)
const mediaStream = useRef<MediaStream>()
const [panel, setPanel] = useState('none')
const upload = useCallback((url: string) => {
if (url) {
uploadImage(url)
}
setPanel('none')
}, [panel])
const onUpload = useCallback(async (event: ChangeEvent<HTMLInputElement>) => {
const file = event.target.files?.[0]
if (file) {
const fileDataUrl = await toBase64(file)
if (fileDataUrl) {
upload(fileDataUrl)
}
}
}, [])
const onPaste = useCallback((event: ClipboardEvent<HTMLInputElement>) => {
const pasteUrl = event.clipboardData.getData('text') ?? ''
upload(pasteUrl)
}, [])
const onEnter = useCallback((event: FormEvent<HTMLFormElement>) => {
event.preventDefault()
event.stopPropagation()
// @ts-ignore
const inputUrl = event.target.elements.image.value
if (inputUrl) {
upload(inputUrl)
}
}, [])
const openVideo: MouseEventHandler<HTMLButtonElement> = async (event) => {
event.stopPropagation()
setPanel('camera-mode')
}
const onCapture = () => {
if (canvasRef.current && videoRef.current) {
const canvas = canvasRef.current
canvas.width = videoRef.current!.videoWidth
canvas.height = videoRef.current!.videoHeight
canvas.getContext('2d')?.drawImage(videoRef.current, 0, 0, canvas.width, canvas.height)
const cameraUrl = canvas.toDataURL('image/jpeg')
upload(cameraUrl)
}
}
useEffect(() => {
const handleBlur = () => {
if (panel !== 'none') {
setPanel('none')
}
}
document.addEventListener('click', handleBlur)
return () => {
document.removeEventListener('click', handleBlur)
}
}, [panel])
useEffect(() => {
if (panel === 'camera-mode') {
navigator.mediaDevices.getUserMedia({ video: true, audio: false })
.then(videoStream => {
mediaStream.current = videoStream
if (videoRef.current) {
videoRef.current.srcObject = videoStream
}
})
} else {
if (mediaStream.current) {
mediaStream.current.getTracks().forEach(function(track) {
track.stop()
})
mediaStream.current = undefined
}
}
}, [panel])
return (
<div className="visual-search-container">
<div onClick={() => panel === 'none' ? setPanel('normal') : setPanel('none')}>{children}</div>
<div className={cn('visual-search', panel)} onClick={preventDefault}>
<div className="normal-content">
<div className="header">
<h4>添加图像</h4>
</div>
<div className="paste">
<Image alt="paste" src={PasteIcon} width={24} />
<form onSubmitCapture={onEnter}>
<input
className="paste-input"
id="sb_imgpst"
type="text"
name="image"
placeholder="粘贴图像 URL"
aria-label="粘贴图像 URL"
onPaste={onPaste}
onClickCapture={(e) => e.stopPropagation()}
/>
</form>
</div>
<div className="buttons">
<button type="button" aria-label="从此设备上传">
<input
id="vs_fileinput"
className="fileinput"
type="file"
accept="image/gif, image/jpeg, image/png, image/webp"
onChange={onUpload}
/>
<Image alt="uplaod" src={UploadIcon} width={20} />
从此设备上传
</button>
<button type="button" aria-label="拍照" onClick={openVideo}>
<Image alt="camera" src={CameraIcon} width={20} />
拍照
</button>
</div>
</div>
{panel === 'camera-mode' && <div className="cam-content">
<div className="webvideo-container">
<video className="webvideo" autoPlay muted playsInline ref={videoRef} />
<canvas className="webcanvas" ref={canvasRef} />
</div>
<div className="cambtn" role="button" aria-label="拍照" onClick={onCapture}>
<div className="cam-btn-circle-large"></div>
<div className="cam-btn-circle-small"></div>
</div>
</div>}
</div>
</div>
)
}
|