feat: implement responsive design and resize handling for explore page banner

web/app/components/explore/banner/banner-item.tsx

@@ -1,5 +1,5 @@
 import type { FC } from 'react'
-import { useCallback, useEffect, useMemo, useState } from 'react'
+import { useCallback, useEffect, useMemo, useRef, useState } from 'react'
 import { RiArrowRightLine } from '@remixicon/react'
 import { useCarousel } from '@/app/components/base/carousel'
 import { IndicatorButton } from './indicator-button'
@@ -25,10 +25,15 @@ type BannerItemProps = {
   isPaused?: boolean
 }
 
+const RESPONSIVE_BREAKPOINT = 1280
+const MAX_RESPONSIVE_WIDTH = 600
+
 export const BannerItem: FC<BannerItemProps> = ({ banner, autoplayDelay, isPaused = false }) => {
   const { t } = useTranslation()
   const { api, selectedIndex } = useCarousel()
   const [resetKey, setResetKey] = useState(0)
+  const textAreaRef = useRef<HTMLDivElement>(null)
+  const [maxWidth, setMaxWidth] = useState<number | undefined>(undefined)
 
   const slideInfo = useMemo(() => {
     const slides = api?.slideNodes() ?? []
@@ -37,27 +42,59 @@ export const BannerItem: FC<BannerItemProps> = ({ banner, autoplayDelay, isPause
     return { slides, totalSlides, nextIndex }
   }, [api, selectedIndex])
 
+  const responsiveStyle = useMemo(
+    () => (maxWidth !== undefined ? { maxWidth: `${maxWidth}px` } : undefined),
+    [maxWidth],
+  )
+
+  const incrementResetKey = useCallback(() => setResetKey(prev => prev + 1), [])
+
+  // Update max width based on text area width when screen < 1280px
+  useEffect(() => {
+    const updateMaxWidth = () => {
+      if (window.innerWidth < RESPONSIVE_BREAKPOINT && textAreaRef.current) {
+        const textAreaWidth = textAreaRef.current.offsetWidth
+        setMaxWidth(Math.min(textAreaWidth, MAX_RESPONSIVE_WIDTH))
+      }
+      else {
+        setMaxWidth(undefined)
+      }
+    }
+
+    updateMaxWidth()
+
+    const resizeObserver = new ResizeObserver(updateMaxWidth)
+    if (textAreaRef.current)
+      resizeObserver.observe(textAreaRef.current)
+
+    window.addEventListener('resize', updateMaxWidth)
+
+    return () => {
+      resizeObserver.disconnect()
+      window.removeEventListener('resize', updateMaxWidth)
+    }
+  }, [])
+
   // Reset progress when slide changes
   useEffect(() => {
-    setResetKey(prev => prev + 1)
-  }, [selectedIndex])
+    incrementResetKey()
+  }, [selectedIndex, incrementResetKey])
 
   const handleClick = useCallback(() => {
-    setResetKey(prev => prev + 1)
+    incrementResetKey()
     if (banner.link)
       window.open(banner.link, '_blank', 'noopener,noreferrer')
-  }, [banner.link])
+  }, [banner.link, incrementResetKey])
 
   const handleIndicatorClick = useCallback((index: number) => {
-    setResetKey(prev => prev + 1)
+    incrementResetKey()
     api?.scrollTo(index)
-  }, [api])
+  }, [api, incrementResetKey])
 
   return (
     <div
       className={cn(
-        'relative flex w-full cursor-pointer overflow-hidden rounded-2xl bg-components-panel-on-panel-item-bg pr-[256px] shadow-md transition-shadow',
-        'hover:shadow-lg',
+        'relative flex w-full min-w-[784px] cursor-pointer overflow-hidden rounded-2xl bg-components-panel-on-panel-item-bg pr-[288px] transition-shadow hover:shadow-md',
       )}
       onClick={handleClick}
     >
@@ -67,7 +104,11 @@ export const BannerItem: FC<BannerItemProps> = ({ banner, autoplayDelay, isPause
           {/* Text section */}
           <div className="flex min-h-24 flex-wrap items-end gap-1 py-1">
             {/* Title area */}
-            <div className="flex min-w-[480px] max-w-[680px] flex-[1_0_0] flex-col pr-4">
+            <div
+              ref={textAreaRef}
+              className="flex min-w-[480px] max-w-[680px] flex-[1_0_0] flex-col pr-4"
+              style={responsiveStyle}
+            >
               <p className="title-4xl-semi-bold line-clamp-1 text-dify-logo-dify-logo-blue">
                 {banner.content.category}
               </p>
@@ -76,15 +117,23 @@ export const BannerItem: FC<BannerItemProps> = ({ banner, autoplayDelay, isPause
               </p>
             </div>
             {/* Description area */}
-            <div className="body-sm-regular line-clamp-4 min-w-60 max-w-[600px] flex-[1_0_0] self-end py-1 pr-4 text-text-tertiary">
-              {banner.content.description}
+            <div
+              className="min-w-60 max-w-[600px] flex-[1_0_0] self-end overflow-hidden py-1 pr-4"
+              style={responsiveStyle}
+            >
+              <p className="body-sm-regular line-clamp-4 overflow-hidden text-text-tertiary">
+                {banner.content.description}
+              </p>
             </div>
           </div>
 
           {/* Actions section */}
           <div className="flex flex-wrap items-center gap-1">
             {/* View more button */}
-            <div className="flex min-w-[480px] max-w-[680px] flex-[1_0_0] items-center gap-[6px] py-1">
+            <div
+              className="flex min-w-[480px] max-w-[680px] flex-[1_0_0] items-center gap-[6px] py-1"
+              style={responsiveStyle}
+            >
               <div className="flex h-4 w-4 items-center justify-center rounded-full bg-text-accent p-[2px]">
                 <RiArrowRightLine className="h-3 w-3 text-text-primary-on-surface" />
               </div>
@@ -94,7 +143,10 @@ export const BannerItem: FC<BannerItemProps> = ({ banner, autoplayDelay, isPause
             </div>
 
             {/* Slide navigation indicators */}
-            <div className="flex min-w-60 max-w-[600px] flex-[1_0_0] items-center gap-2 py-1 pr-10">
+            <div
+              className="flex min-w-60 max-w-[600px] flex-[1_0_0] items-center gap-2 py-1 pr-10"
+              style={responsiveStyle}
+            >
               {slideInfo.slides.map((_: unknown, index: number) => (
                 <IndicatorButton
                   key={index}
@@ -108,16 +160,16 @@ export const BannerItem: FC<BannerItemProps> = ({ banner, autoplayDelay, isPause
                 />
               ))}
             </div>
-
           </div>
         </div>
       </div>
+
       {/* Right image area */}
       <div className="absolute right-0 top-0 flex h-full items-center p-2">
         <img
           src={banner.content['img-src']}
           alt={banner.content.title}
-          className="aspect-[4/3] h-full rounded-xl object-cover"
+          className="aspect-[4/3] h-full max-w-[296px] rounded-xl"
         />
       </div>
     </div>

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

@@ -1,5 +1,5 @@
 import type { FC } from 'react'
-import React, { useMemo, useState } from 'react'
+import React, { useEffect, useMemo, useRef, useState } from 'react'
 import { Carousel } from '@/app/components/base/carousel'
 import { useGetBanners } from '@/service/use-explore'
 import Loading from '../../base/loading'
@@ -8,27 +8,55 @@ import { useI18N } from '@/context/i18n'
 
 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 } = useI18N()
   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: BannerData) => banner.status === 'enabled') ?? [],
     [banners],
   )
 
-  if (isLoading) {
-    return (
-      <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 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
@@ -50,7 +78,11 @@ const Banner: FC = () => {
       <Carousel.Content>
         {enabledBanners.map((banner: BannerData) => (
           <Carousel.Item key={banner.id}>
-            <BannerItem banner={banner} autoplayDelay={AUTOPLAY_DELAY} isPaused={isHovered} />
+            <BannerItem
+              banner={banner}
+              autoplayDelay={AUTOPLAY_DELAY}
+              isPaused={isPaused}
+            />
           </Carousel.Item>
         ))}
       </Carousel.Content>

web/app/components/explore/banner/indicator-button.tsx

@@ -25,40 +25,26 @@ export const IndicatorButton: FC<IndicatorButtonProps> = ({
   onClick,
 }) => {
   const [progress, setProgress] = useState(0)
-  const [isPageVisible, setIsPageVisible] = useState(true)
   const frameIdRef = useRef<number | undefined>(undefined)
   const startTimeRef = useRef(0)
 
-  // Listen to page visibility changes
-  useEffect(() => {
-    const handleVisibilityChange = () => {
-      setIsPageVisible(!document.hidden)
-    }
-    setIsPageVisible(!document.hidden)
-    document.addEventListener('visibilitychange', handleVisibilityChange)
-    return () => {
-      document.removeEventListener('visibilitychange', handleVisibilityChange)
-    }
-  }, [])
+  const isActive = index === selectedIndex
+  const shouldAnimate = !document.hidden && !isPaused
 
   useEffect(() => {
     if (!isNextSlide) {
       setProgress(0)
       if (frameIdRef.current)
         cancelAnimationFrame(frameIdRef.current)
-
       return
     }
 
-    // reset and start new animation
     setProgress(0)
     startTimeRef.current = Date.now()
 
     const animate = () => {
-      // Only continue animation when page is visible and not paused
       if (!document.hidden && !isPaused) {
-        const now = Date.now()
-        const elapsed = now - startTimeRef.current
+        const elapsed = Date.now() - startTimeRef.current
         const newProgress = Math.min((elapsed / autoplayDelay) * PROGRESS_MAX, PROGRESS_MAX)
         setProgress(newProgress)
 
@@ -69,22 +55,23 @@ export const IndicatorButton: FC<IndicatorButtonProps> = ({
         frameIdRef.current = requestAnimationFrame(animate)
       }
     }
-    if (!document.hidden && !isPaused)
+
+    if (shouldAnimate)
       frameIdRef.current = requestAnimationFrame(animate)
 
     return () => {
       if (frameIdRef.current)
         cancelAnimationFrame(frameIdRef.current)
     }
-  }, [isNextSlide, autoplayDelay, resetKey, isPageVisible, isPaused])
-
-  const isActive = index === selectedIndex
+  }, [isNextSlide, autoplayDelay, resetKey, isPaused])
 
   const handleClick = useCallback((e: React.MouseEvent) => {
     e.stopPropagation()
     onClick()
   }, [onClick])
 
+  const progressDegrees = progress * DEGREES_PER_PERCENT
+
   return (
     <button
       onClick={handleClick}
@@ -103,8 +90,8 @@ export const IndicatorButton: FC<IndicatorButtonProps> = ({
           style={{
             background: `conic-gradient(
               from 0deg,
-              var(--color-text-primary) ${progress * DEGREES_PER_PERCENT}deg,
-              transparent ${progress * DEGREES_PER_PERCENT}deg
+              var(--color-text-primary) ${progressDegrees}deg,
+              transparent ${progressDegrees}deg
             )`,
             WebkitMask: 'linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0)',
             WebkitMaskComposite: 'xor',