From eaaa1c0049d98d1e4cd7b56ebce95ff73ef363d8 Mon Sep 17 00:00:00 2001
From: wyc <1104749580@qq.com>
Date: Mon, 17 Aug 2026 23:55:16 +0800
Subject: [PATCH] =?UTF-8?q?=E5=8D=87=E7=BA=A7?=
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---
 webapp_gallery/src/gallery/plot_card.tsx | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/webapp_gallery/src/gallery/plot_card.tsx b/webapp_gallery/src/gallery/plot_card.tsx
index 599e211..98158a7 100644
--- a/webapp_gallery/src/gallery/plot_card.tsx
+++ b/webapp_gallery/src/gallery/plot_card.tsx
@@ -1,7 +1,7 @@
 import MoreHorizIcon from "@mui/icons-material/MoreHoriz";
 import RefreshIcon from "@mui/icons-material/Refresh";
 import {Box,Button,Card,CardActions,CardContent,CardHeader,Chip,Stack,Typography} from "@mui/material";
-import {useEffect,useRef,useState} from "react";
+import {useEffect} from "react";
 import type {Gallery_Case,Gallery_Dashboard,Gallery_Frame_Mode} from "../protocol/gallery_types";
 import {use_plot_session} from "../hooks/use_plot_session";
 import type {Gallery_Plot_Session} from "../session/gallery_plot_session";
@@ -13,12 +13,9 @@ import {Kernel_Observer_Summary} from "../plot/kernel_observer_summary";
 export interface Selected_Plot {session:Gallery_Plot_Session;}
 export function Plot_Card({gallery_case,frame_mode,frame_modes,dashboard,active,streams_paused,on_register,on_open_inspector}:{gallery_case:Gallery_Case;frame_mode:Gallery_Frame_Mode;frame_modes:Gallery_Frame_Mode[];dashboard:Gallery_Dashboard;active:boolean;streams_paused:boolean;on_register:(session:Gallery_Plot_Session,mount:boolean)=>void;on_open_inspector:(plot:Selected_Plot)=>void}) {
     const [session,snapshot]=use_plot_session(gallery_case,frame_mode,frame_modes);
-    const card_ref=useRef<HTMLDivElement|null>(null);
-    const [in_viewport,set_in_viewport]=useState(false);
     useEffect(()=>{on_register(session,true);return()=>on_register(session,false);},[session,on_register]);
-    useEffect(()=>{const element=card_ref.current;if(!element)return;const observer=new IntersectionObserver(entries=>set_in_viewport(Boolean(entries[0]?.isIntersecting)),{rootMargin:"320px 0px"});observer.observe(element);return()=>observer.disconnect();},[]);
-    useEffect(()=>session.set_activity(active&&in_viewport,streams_paused),[session,active,in_viewport,streams_paused]);
-    return <Card ref={card_ref} sx={{overflow:"hidden",display:"flex",flexDirection:"column",minWidth:0}} onContextMenu={event=>{event.preventDefault();if(snapshot.ready)on_open_inspector({session});}}>
+    useEffect(()=>session.set_activity(active,streams_paused),[session,active,streams_paused]);
+    return <Card sx={{overflow:"hidden",display:"flex",flexDirection:"column",minWidth:0}} onContextMenu={event=>{event.preventDefault();if(snapshot.ready)on_open_inspector({session});}}>
         <CardHeader title={gallery_case.title} subheader={gallery_case.component} avatar={<Chip size="small" label={gallery_case.category}/>} action={<Plot_Status snapshot={snapshot} active={active&&!streams_paused}/>}/>
         <Plot_Canvas session={session}/><Performance_Strip telemetry={snapshot.telemetry} dashboard={dashboard}/>{frame_mode.observer_visible&&<Kernel_Observer_Summary telemetry={snapshot.telemetry} dashboard={dashboard}/>}<CardContent sx={{flexGrow:1}}><Typography color="text.secondary">{gallery_case.description}</Typography>{snapshot.notice&&<Typography variant="caption" color="secondary.main">{snapshot.notice}</Typography>}</CardContent>
         <CardActions sx={{justifyContent:"space-between",px:2,pb:2}}><Stack direction="row" spacing={2}><Typography variant="caption">{snapshot.controls.length} 属性</Typography><Typography variant="caption">{snapshot.actions.length} 动作</Typography><Typography variant="caption">{snapshot.frame_count} 像素帧</Typography></Stack><Box>{session.frame_mode.id==="manual"&&<Button size="small" startIcon={<RefreshIcon/>} onClick={()=>session.request_frame(performance.now(),true)}>{session.frame_mode.frame_button_label}</Button>}<Button size="small" startIcon={<MoreHorizIcon/>} disabled={!snapshot.ready} onClick={()=>on_open_inspector({session})}>测试菜单</Button></Box></CardActions>