refactor: delete usePlaybackControl.ts (#1899 #1900)

2026-09-14 20:45:00 +08:00
parent 99186d30c0
commit 9e2a84b2c9
1 changed files with 0 additions and 56 deletions
@@ -1,56 +0,0 @@
-import { useState, useCallback, useEffect, useRef } from "react"
-
-/**
- * 播放控制 Hook
- * 播放/暂停、rAF 帧推进、时间线缩放、seek
- */
-export const usePlaybackControl = (totalDuration: number) => {
-  const [isPlaying, setIsPlaying] = useState(false)
-  const [currentTime, setCurrentTime] = useState(0)
-  const [pixelsPerSecond, setPixelsPerSecond] = useState(40)
-  const prevFrameTimeRef = useRef<number | null>(null)
-
-  /** 播放头跳转 */
-  const handleSeek = useCallback((time: number) => {
-    setCurrentTime(Math.max(0, time))
-  }, [])
-
-  /** 轨道缩放 */
-  const handleZoomChange = useCallback((pps: number) => {
-    setPixelsPerSecond(pps)
-  }, [])
-
-  /** rAF 帧推进 — 播放时平滑更新播放头位置 */
-  useEffect(() => {
-    if (!isPlaying) {
-      prevFrameTimeRef.current = null
-      return
-    }
-    let rafId: number
-    const tick = (timestamp: number) => {
-      if (prevFrameTimeRef.current !== null) {
-        const delta = (timestamp - prevFrameTimeRef.current) / 1000
-        setCurrentTime((prev) => {
-          const next = prev + delta
-          return next >= totalDuration ? totalDuration : next
-        })
-      }
-      prevFrameTimeRef.current = timestamp
-      rafId = requestAnimationFrame(tick)
-    }
-    rafId = requestAnimationFrame(tick)
-    return () => {
-      cancelAnimationFrame(rafId)
-      prevFrameTimeRef.current = null
-    }
-  }, [isPlaying, totalDuration])
-
-  return {
-    isPlaying,
-    setIsPlaying,
-    currentTime,
-    pixelsPerSecond,
-    handleSeek,
-    handleZoomChange,
-  }
-}