dify/web/app/components/explore/banner/banner.tsx

95 lines
2.5 KiB
TypeScript

import type { FC } from 'react'
import * as React from 'react'
import { useEffect, useMemo, useRef, useState } from 'react'
import { Carousel } from '@/app/components/base/carousel'
import { useLocale } from '@/context/i18n'
import { useGetBanners } from '@/service/use-explore'
import Loading from '../../base/loading'
import { BannerItem } from './banner-item'
const AUTOPLAY_DELAY = 5000
const MIN_LOADING_HEIGHT = 168
const RESIZE_DEBOUNCE_DELAY = 50
const LoadingState: FC = () => (
<div
className="flex items-center justify-center rounded-2xl bg-components-panel-on-panel-item-bg shadow-md"
style={{ minHeight: MIN_LOADING_HEIGHT }}
>
<Loading />
</div>
)
const Banner: FC = () => {
const locale = useLocale()
const { data: banners, isLoading, isError } = useGetBanners(locale)
const [isHovered, setIsHovered] = useState(false)
const [isResizing, setIsResizing] = useState(false)
const resizeTimerRef = useRef<NodeJS.Timeout | null>(null)
const enabledBanners = useMemo(
() => banners?.filter(banner => banner.status === 'enabled') ?? [],
[banners],
)
const isPaused = isHovered || isResizing
// Handle window resize to pause animation
useEffect(() => {
const handleResize = () => {
setIsResizing(true)
if (resizeTimerRef.current)
clearTimeout(resizeTimerRef.current)
resizeTimerRef.current = setTimeout(() => {
setIsResizing(false)
}, RESIZE_DEBOUNCE_DELAY)
}
window.addEventListener('resize', handleResize)
return () => {
window.removeEventListener('resize', handleResize)
if (resizeTimerRef.current)
clearTimeout(resizeTimerRef.current)
}
}, [])
if (isLoading)
return <LoadingState />
if (isError || enabledBanners.length === 0)
return null
return (
<Carousel
opts={{ loop: true }}
plugins={[
Carousel.Plugin.Autoplay({
delay: AUTOPLAY_DELAY,
stopOnInteraction: false,
stopOnMouseEnter: true,
}),
]}
className="rounded-2xl"
onMouseEnter={() => setIsHovered(true)}
onMouseLeave={() => setIsHovered(false)}
>
<Carousel.Content>
{enabledBanners.map(banner => (
<Carousel.Item key={banner.id}>
<BannerItem
banner={banner}
autoplayDelay={AUTOPLAY_DELAY}
isPaused={isPaused}
/>
</Carousel.Item>
))}
</Carousel.Content>
</Carousel>
)
}
export default React.memo(Banner)