@@ -1,113 +0,0 @@
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import { useState, useRef, useCallback, useEffect, useMemo, useLayoutEffect } from "react"
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import type { ClipType } from "../../types"
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import { DEFAULT_ADD_DURATION, ADD_PICKER_WIDTH, TRACK_GAP } from "../../constants/timeline"
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interface UseAddPickerOptions {
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currentMode: string
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onAddClip: (type: ClipType, duration: number) => void
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}
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export function useAddPicker({ currentMode, onAddClip }: UseAddPickerOptions) {
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const [showAddPicker, setShowAddPicker] = useState(false)
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const pickerRef = useRef<HTMLDivElement>(null)
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const addCardRef = useRef<HTMLDivElement>(null)
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const [pickerPos, setPickerPos] = useState<{ top: number; right: number }>({ top: 0, right: 0 })
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const availableTypes: ClipType[] = useMemo(
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() =>
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currentMode === "voice_over" ? ["voice"] : currentMode === "pip" ? ["pip"] : ["voice", "pip"],
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[currentMode],
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)
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const defaultAddType: ClipType = useMemo(() => {
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if (currentMode === "voice_over") return "voice"
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if (currentMode === "pip") return "pip"
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return "voice"
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}, [currentMode])
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const [addType, setAddType] = useState<ClipType>(defaultAddType)
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useEffect(() => {
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if (!availableTypes.includes(addType)) {
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setAddType(defaultAddType)
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}
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}, [currentMode, addType, availableTypes, defaultAddType])
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const updatePickerPosition = useCallback(() => {
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if (!addCardRef.current) return
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const rect = addCardRef.current.getBoundingClientRect()
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const vw = window.innerWidth
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const roughHeight = 180
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let top = rect.top - TRACK_GAP - roughHeight
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if (top < 8) top = 8
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let right = vw - rect.right
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if (rect.right - ADD_PICKER_WIDTH < 8) {
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right = vw - ADD_PICKER_WIDTH - 8
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}
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setPickerPos({ top, right })
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}, [])
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const handleTogglePicker = useCallback(() => {
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if (!showAddPicker) {
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setAddType(defaultAddType)
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updatePickerPosition()
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}
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setShowAddPicker((v) => !v)
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}, [showAddPicker, defaultAddType, updatePickerPosition])
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useLayoutEffect(() => {
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if (!showAddPicker || !pickerRef.current || !addCardRef.current) return
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const pickerEl = pickerRef.current
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const addRect = addCardRef.current.getBoundingClientRect()
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const pickerH = pickerEl.offsetHeight
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const vh = window.innerHeight
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const vw = window.innerWidth
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let top = addRect.top - TRACK_GAP - pickerH
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if (top < 8) {
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top = addRect.bottom + TRACK_GAP
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if (top + pickerH > vh - 8) {
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top = vh - 8 - pickerH
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if (top < 8) top = 8
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}
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}
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let right = vw - addRect.right
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const pickerRect = pickerEl.getBoundingClientRect()
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if (pickerRect.left < 8) {
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right = vw - ADD_PICKER_WIDTH - 8
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}
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setPickerPos({ top, right })
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}, [showAddPicker])
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useEffect(() => {
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const handleClickOutside = (e: MouseEvent) => {
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if (pickerRef.current && !pickerRef.current.contains(e.target as Node)) {
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setShowAddPicker(false)
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}
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}
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if (showAddPicker) {
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document.addEventListener("mousedown", handleClickOutside)
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}
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return () => document.removeEventListener("mousedown", handleClickOutside)
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}, [showAddPicker])
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const handleConfirmAdd = useCallback(() => {
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onAddClip(addType, DEFAULT_ADD_DURATION)
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setShowAddPicker(false)
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}, [onAddClip, addType])
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return {
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showAddPicker,
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setShowAddPicker,
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pickerRef,
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addCardRef,
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pickerPos,
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availableTypes,
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addType,
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addDuration: DEFAULT_ADD_DURATION,
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setAddType,
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handleTogglePicker,
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handleConfirmAdd,
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}
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}
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Block a user