// Metro module 8135 (f8136).
import { useMemo, useCallback, useEffect, useState } from "react";
import { THUMBNAIL_HEIGHT, THUMBNAIL_MARGIN, THUMBNAIL_MAX_WIDTH, THUMBNAIL_MIN_WIDTH, THUMBNAIL_WIDTH_MARGIN } from "./Constants";
import * as _PlatformUtils from "../../../utils/PlatformUtils";
import * as _ReanimatedRexport from "../../reanimated/ReanimatedRexport";
import { makeMutable, useAnimatedRef, useAnimatedScrollHandler, useDerivedValue, useAnimatedStyle, useSharedValue, useAnimatedReaction } from "../../reanimated/ReanimatedRexport";
import { useMediaViewerDimensions } from "./MediaViewerDimensionsContext";
import useSafeAreaInsets_native from "../../safe_area/useSafeAreaInsets.native";
import { MediaViewerAnalytics, IncrementableMediaViewerActions } from "../MediaViewerAnalyticsManager";
import { lerpVarWidthThumbnailScrollBounds } from "./portraitThumbnailHelpers";
import { flattenSource } from "./MediaSourceUtil";
import * as _spring from "../../../design/animation/reanimated/spring/spring";
const isAndroid = _PlatformUtils.isAndroid();
const __initData = {
  code: "function useMediaViewerSyncerTsx1(){const{thumbnailsScrolling,SCROLLING_DRAG,swipeSource}=this.__closure;thumbnailsScrolling.set(thumbnailsScrolling.get()|SCROLLING_DRAG);swipeSource.set('thumbnails');}"
};
const __initData2 = {
  code: "function useMediaViewerSyncerTsx2(){const{thumbnailsScrolling,SCROLLING_DRAG}=this.__closure;thumbnailsScrolling.set(thumbnailsScrolling.get()&~SCROLLING_DRAG);}"
};
const __initData3 = {
  code: "function useMediaViewerSyncerTsx3(event){const{variableWidthThumbnailsEnabled,ThumbnailScrollPositions,thumbnailSize,swipeSource,maxIndex,thumbnailsIndex,thumbnailsAnimateTo,selectedIndex,viewerScrolling,thumbnailsScrolling,runOnJS,onSelectedIndexChange}=this.__closure;let thumbnails=0;if(variableWidthThumbnailsEnabled){if(event.contentOffset.x<0){thumbnails=0;}else if(event.contentOffset.x>=ThumbnailScrollPositions[ThumbnailScrollPositions.length-1].end){thumbnails=ThumbnailScrollPositions.length-1;}else{for(let i=0;i<ThumbnailScrollPositions.length;i++){const startPos=ThumbnailScrollPositions[i].scrollStart;let endPos=i<ThumbnailScrollPositions.length-1?ThumbnailScrollPositions[i+1].scrollStart:startPos;if(i===ThumbnailScrollPositions.length-1){endPos=ThumbnailScrollPositions[i].end;}if(event.contentOffset.x>=startPos&&event.contentOffset.x<endPos){thumbnails=i+(event.contentOffset.x-startPos)/(endPos-startPos);break;}}}}else{thumbnails=event.contentOffset.x/thumbnailSize;}if(swipeSource.get()==='thumbnails'||Math.abs(Math.round(thumbnails)-thumbnails)<0.01){const index=Math.max(0,Math.min(Math.round(thumbnails),maxIndex));thumbnailsIndex.set(index);}if(thumbnailsAnimateTo.get()>=0){if(thumbnailsIndex.get()===thumbnailsAnimateTo.get()){thumbnailsAnimateTo.set(-1);selectedIndex.set(thumbnailsIndex.get());}return;}const wasTouched=viewerScrolling.get()!==0||thumbnailsScrolling.get()!==0;if(wasTouched&&thumbnailsIndex.get()!==selectedIndex.get()){selectedIndex.set(thumbnailsIndex.get());runOnJS(onSelectedIndexChange)();}}"
};
const __initData4 = {
  code: "function useMediaViewerSyncerTsx4(){const{thumbnailsScrolling,SCROLLING_MOMENTUM,swipeSource}=this.__closure;thumbnailsScrolling.set(thumbnailsScrolling.get()|SCROLLING_MOMENTUM);swipeSource.set('thumbnails');}"
};
const __initData5 = {
  code: "function useMediaViewerSyncerTsx5(){const{thumbnailsScrolling,SCROLLING_MOMENTUM}=this.__closure;thumbnailsScrolling.set(thumbnailsScrolling.get()&~SCROLLING_MOMENTUM);}"
};
const __initData6 = {
  code: "function useMediaViewerSyncerTsx6(){const{thumbnailsAnimateTo,variableWidthThumbnailsEnabled,runOnJS,scrollVarWidthThumbnails,scrollTo,ref,thumbnailSize}=this.__closure;if(thumbnailsAnimateTo.get()<0)return;if(variableWidthThumbnailsEnabled){runOnJS(scrollVarWidthThumbnails)(thumbnailsAnimateTo.get());}else{scrollTo(ref,thumbnailsAnimateTo.get()*thumbnailSize,0,true);}}"
};
const __initData7 = {
  code: "function useMediaViewerSyncerTsx7(){const{viewerScrolling,thumbnailsIndex,viewerPos,variableWidthThumbnailsEnabled,runOnJS,lerpScrollVarWidthThumbnails,scrollTo,ref,thumbnailSize}=this.__closure;if(viewerScrolling.get()===0)return;else if(thumbnailsIndex.get()!==viewerPos.get()){if(variableWidthThumbnailsEnabled){runOnJS(lerpScrollVarWidthThumbnails)(viewerPos.get());}else{scrollTo(ref,viewerPos.get()*thumbnailSize,0,false);}}}"
};
const __initData8 = {
  code: "function useMediaViewerSyncerTsx8(){const{thumbnailsScrolling,interpolate,viewerPos,interpolateInput,interpolateOutput}=this.__closure;return thumbnailsScrolling.get()>0?0:-interpolate(viewerPos.get(),interpolateInput,interpolateOutput,'clamp');}"
};
const __initData9 = {
  code: "function useMediaViewerSyncerTsx9(){const{viewerScrolling,headerBufferSize,margin,withSpring}=this.__closure;return{width:viewerScrolling.get()>0?headerBufferSize+margin.get():withSpring(headerBufferSize+margin.get(),{overshootClamping:true})};}"
};
const __initData10 = {
  code: "function useMediaViewerSyncerTsx10(){const{viewerScrolling,footerBufferSize,margin,withSpring}=this.__closure;return{width:viewerScrolling.get()>0?footerBufferSize+margin.get():withSpring(footerBufferSize+margin.get(),{overshootClamping:true})};}"
};
const __initData11 = {
  code: "function useMediaViewerSyncerTsx11(){const{interpolate,viewerPos,index}=this.__closure;return interpolate(viewerPos.get(),[index-1,index,index+1],[0.4,1,0.4],'clamp');}"
};
const __initData12 = {
  code: "function useMediaViewerSyncerTsx13(){const{thumbnailsScrolling,THUMBNAIL_MIN_WIDTH,interpolate,viewerPos,index,sourceWidth}=this.__closure;return thumbnailsScrolling.get()>0?THUMBNAIL_MIN_WIDTH:interpolate(viewerPos.get(),[index-1,index,index+1],[THUMBNAIL_MIN_WIDTH,sourceWidth,THUMBNAIL_MIN_WIDTH],'clamp');}"
};
const __initData13 = {
  code: "function useMediaViewerSyncerTsx14(){const{viewerScrolling,_width,withSpring,THUMBNAIL_HEIGHT,opacity}=this.__closure;return{width:viewerScrolling.get()>0?_width.get():withSpring(_width.get(),{overshootClamping:true}),height:THUMBNAIL_HEIGHT,opacity:opacity.get()};}"
};
const __initData14 = {
  code: "function useMediaViewerSyncerTsx15(){const{zoomed}=this.__closure;return!zoomed.get();}"
};
const __initData15 = {
  code: "function useMediaViewerSyncerTsx16(){const{thumbnailsAnimateTo,scrollTo,ref,screenWidth}=this.__closure;if(thumbnailsAnimateTo.get()===-1)return;scrollTo(ref,thumbnailsAnimateTo.get()*screenWidth,0,false);}"
};
const __initData16 = {
  code: "function useMediaViewerSyncerTsx17(){const{thumbnailsScrolling,viewerScrolling,thumbnailsAnimateTo,scrollTo,ref,thumbnailsIndex,screenWidth}=this.__closure;if(thumbnailsScrolling.get()===0||viewerScrolling.get()>0||thumbnailsAnimateTo.get()!==-1)return;scrollTo(ref,thumbnailsIndex.get()*screenWidth,0,false);}"
};
const __initData17 = {
  code: "function useMediaViewerSyncerTsx18(){const{viewerScrolling,SCROLLING_DRAG,swipeSource}=this.__closure;viewerScrolling.set(viewerScrolling.get()|SCROLLING_DRAG);swipeSource.set('viewer');}"
};
const __initData18 = {
  code: "function useMediaViewerSyncerTsx19(){const{viewerScrolling,SCROLLING_DRAG}=this.__closure;viewerScrolling.set(viewerScrolling.get()&~SCROLLING_DRAG);}"
};
const __initData19 = {
  code: "function useMediaViewerSyncerTsx20(pos){const{viewerPos}=this.__closure;viewerPos.set(pos);}"
};
const __initData20 = {
  code: "function useMediaViewerSyncerTsx21(){const{viewerScrolling,SCROLLING_MOMENTUM,swipeSource}=this.__closure;viewerScrolling.set(viewerScrolling.get()|SCROLLING_MOMENTUM);swipeSource.set('viewer');}"
};
const __initData21 = {
  code: "function useMediaViewerSyncerTsx22(){const{viewerScrolling,SCROLLING_MOMENTUM}=this.__closure;viewerScrolling.set(viewerScrolling.get()&~SCROLLING_MOMENTUM);}"
};
const __initData22 = {
  code: "function useMediaViewerSyncerTsx23(event){const{contentSizeLastChangedAt,IS_ANDROID,selectedIndex,scrollTo,ref,screenWidth,viewerScrolling,thumbnailsScrolling,thumbnailsAnimateTo,onScrollWorklets}=this.__closure;const contentSizeChangedRecently=Date.now()-contentSizeLastChangedAt.get()<500;if(IS_ANDROID&&contentSizeChangedRecently&&event.contentOffset.x===0&&selectedIndex.get()!==0){scrollTo(ref,selectedIndex.get()*screenWidth,event.contentOffset.y,false);return;}if(viewerScrolling.get()===0&&thumbnailsScrolling.get()===0&&thumbnailsAnimateTo.get()===-1)return;onScrollWorklets.onScroll(event.contentOffset.x/screenWidth);}"
};
const __initData23 = {
  code: "function useMediaViewerSyncerTsx24(){const{index,selectedIndex}=this.__closure;return index===selectedIndex.get();}"
};
const __initData24 = {
  code: "function useMediaViewerSyncerTsx25(result,previous){const{runOnJS,setVisible}=this.__closure;if(previous==null||previous===result)return;runOnJS(setVisible)(result);}"
};
export function useMediaViewerSyncer({ sources, initialIndex, onEndReached, onEndReachedThreshold }) {
  const memo = useMemo(() => ({
    selectedIndex: makeMutable(initialIndex),
    thumbnailsIndex: makeMutable(initialIndex),
    thumbnailsScrolling: makeMutable(0),
    thumbnailsAnimateTo: makeMutable(-1),
    viewerPos: makeMutable(initialIndex),
    viewerScrolling: makeMutable(0),
    zoomed: makeMutable(false),
    swipeSource: makeMutable(void 0)
  }), [initialIndex]);
  return useMemo(() => {
    let r32, length;
    const r13 = [];
    const r8 = 0 < sources.length;
    let r1 = 0;
    let r11 = 0;
    if (r8) {
      do {
        const r28 = flattenSource(sources[r1]);
        const r3 = r1;
        const start = r11;
        if (r28 != null) {
          const end = start + (Math.max(Math.min(r28.width * (THUMBNAIL_HEIGHT / r28.height), THUMBNAIL_MAX_WIDTH), THUMBNAIL_MIN_WIDTH) + 2 * THUMBNAIL_MARGIN);
          r13.push({
            start,
            end,
            scrollStart: r3 !== 0 ? Math.floor(start + (end - start - (r13[0].end - r13[0].start)) / 2) : 0
          });
          r32 = end;
        } else {
          r13.push({
            start,
            end: start,
            scrollStart: start
          });
          r32 = start;
        }
        r1 = r3 + 1;
        length = sources.length;
        r11 = r32;
      } while (r1 < length);
    }
    const sources2 = sources;
    const ThumbnailScrollPositions = r13;
    const { selectedIndex, thumbnailsIndex, thumbnailsScrolling, thumbnailsAnimateTo, viewerPos, viewerScrolling, zoomed, swipeSource } = memo;
    const variableWidthThumbnailsEnabled = false;
    if (ThumbnailScrollPositions.length > 0) {
      ThumbnailScrollPositions[0].end;
      ThumbnailScrollPositions[0].start;
    }
    return {
      index: selectedIndex,
      sources,
      zoomed,
      ThumbnailScrollPositions,
      variableWidthThumbnailsEnabled: false,
      useThumbnailsProps: function useThumbnailsProps(a0, a1) {
        let animatedRef, c31446_4, c31446_5, derivedValue, c31446_7, c31446_8;
        let c31446_0 = a0;
        let c31446_1 = a1;
        const onSelectedIndexChange2 = function onSelectedIndexChange() {
          if (swipeSource.get() === "thumbnails") {
            MediaViewerAnalytics.markActionPerformed(IncrementableMediaViewerActions.THUMBNAIL_SWIPE);
          } else if (swipeSource.get() === "viewer") {
            MediaViewerAnalytics.markActionPerformed(IncrementableMediaViewerActions.VIEWER_SWIPE);
          }
          MediaViewerAnalytics.markActionPerformed(IncrementableMediaViewerActions.SELECTED_ITEM_CHANGE);
        };
        animatedRef = useAnimatedRef();
        const mediaViewerDimensions = useMediaViewerDimensions();
        const { width: width2, height } = mediaViewerDimensions;
        const safeAreaInsets_native = useSafeAreaInsets_native();
        const y = function y() {
          thumbnailsScrolling.set(2 | thumbnailsScrolling.get());
          swipeSource.set("thumbnails");
        };
        y.__closure = {
          thumbnailsScrolling,
          SCROLLING_DRAG: 2,
          swipeSource
        };
        y.__workletHash = 16224520186325;
        y.__initData = __initData;
        const C = function C() {
          thumbnailsScrolling.set(-3 & thumbnailsScrolling.get());
        };
        C.__closure = {
          thumbnailsScrolling,
          SCROLLING_DRAG: 2
        };
        C.__workletHash = 5779899826871;
        C.__initData = __initData2;
        const E = function E(a0) {
          const r11 = a0.contentOffset.x / c31446_0;
          if (!(swipeSource.get() !== "thumbnails" && !(Math.abs(Math.round(r11) - r11) < 0.01))) {
            thumbnailsIndex.set(Math.max(0, Math.min(Math.round(r11), c31446_1)));
          }
          if (thumbnailsAnimateTo.get() >= 0) {
            if (thumbnailsIndex.get() === thumbnailsAnimateTo.get()) {
              thumbnailsAnimateTo.set(-1);
              selectedIndex.set(thumbnailsIndex.get());
            }
          } else if ((viewerScrolling.get() !== 0 || thumbnailsScrolling.get() !== 0) && thumbnailsIndex.get() !== selectedIndex.get()) {
            selectedIndex.set(thumbnailsIndex.get());
            _ReanimatedRexport.runOnJS(onSelectedIndexChange2)();
          }
        };
        E.__closure = {
          variableWidthThumbnailsEnabled,
          ThumbnailScrollPositions,
          thumbnailSize: a0,
          swipeSource,
          maxIndex: a1,
          thumbnailsIndex,
          thumbnailsAnimateTo,
          selectedIndex,
          viewerScrolling,
          thumbnailsScrolling,
          runOnJS: _ReanimatedRexport.runOnJS,
          onSelectedIndexChange: onSelectedIndexChange2
        };
        E.__workletHash = 10605529664479;
        E.__initData = __initData3;
        const P = function P() {
          thumbnailsScrolling.set(4 | thumbnailsScrolling.get());
          swipeSource.set("thumbnails");
        };
        P.__closure = {
          thumbnailsScrolling,
          SCROLLING_MOMENTUM: 4,
          swipeSource
        };
        P.__workletHash = 4138169755088;
        P.__initData = __initData4;
        const R = function R() {
          thumbnailsScrolling.set(-5 & thumbnailsScrolling.get());
        };
        R.__closure = {
          thumbnailsScrolling,
          SCROLLING_MOMENTUM: 4
        };
        R.__workletHash = 1471443652144;
        R.__initData = __initData5;
        const animatedScrollHandler = useAnimatedScrollHandler({
          onBeginDrag: y,
          onEndDrag: C,
          onScroll: E,
          onMomentumBegin: P,
          onMomentumEnd: R
        });
        const callback = useCallback((a0) => {
          if (!zoomed.get()) {
            thumbnailsAnimateTo.set(a0);
            swipeSource.set("thumbnails");
          }
        }, []);
        const callback2 = useCallback((a0) => {
          _ReanimatedRexport.scrollTo(animatedRef, ThumbnailScrollPositions[a0].scrollStart, 0, true);
        }, [animatedRef]);
        const k = function k() {
          if (!(thumbnailsAnimateTo.get() < 0)) {
            _ReanimatedRexport.scrollTo(animatedRef, thumbnailsAnimateTo.get() * c31446_0, 0, true);
          }
        };
        k.__closure = {
          thumbnailsAnimateTo,
          variableWidthThumbnailsEnabled,
          runOnJS: _ReanimatedRexport.runOnJS,
          scrollVarWidthThumbnails: callback2,
          scrollTo: _ReanimatedRexport.scrollTo,
          ref: animatedRef,
          thumbnailSize: a0
        };
        k.__workletHash = 1697086875584;
        k.__initData = __initData6;
        useDerivedValue(k);
        const callback3 = useCallback((a0) => {
          _ReanimatedRexport.scrollTo(animatedRef, lerpVarWidthThumbnailScrollBounds(ThumbnailScrollPositions, a0), 0, false);
        }, [animatedRef]);
        const Z = function Z() {
          if (viewerScrolling.get() !== 0 && thumbnailsIndex.get() !== viewerPos.get()) {
            _ReanimatedRexport.scrollTo(animatedRef, viewerPos.get() * c31446_0, 0, false);
          }
        };
        Z.__closure = {
          viewerScrolling,
          thumbnailsIndex,
          viewerPos,
          variableWidthThumbnailsEnabled,
          runOnJS: _ReanimatedRexport.runOnJS,
          lerpScrollVarWidthThumbnails: callback3,
          scrollTo: _ReanimatedRexport.scrollTo,
          ref: animatedRef,
          thumbnailSize: a0
        };
        Z.__workletHash = 10477949154269;
        Z.__initData = __initData7;
        useDerivedValue(Z);
        const interpolateInput = sources2.map((item, index) => index);
        c31446_4 = interpolateInput;
        const interpolateOutput = sources2.map((item) => {
          const r14 = flattenSource(item);
          return r14 == null ? 0 : (Math.max(Math.min(r14.width * (THUMBNAIL_HEIGHT / r14.height), THUMBNAIL_MAX_WIDTH), THUMBNAIL_MIN_WIDTH) - THUMBNAIL_MIN_WIDTH) / 2;
        });
        c31446_5 = interpolateOutput;
        const ee = () => thumbnailsScrolling.get() > 0 ? 0 : -_ReanimatedRexport.interpolate(viewerPos.get(), c31446_4, c31446_5, "clamp");
        ee.__closure = {
          thumbnailsScrolling,
          interpolate: _ReanimatedRexport.interpolate,
          viewerPos,
          interpolateInput,
          interpolateOutput
        };
        ee.__workletHash = 10097839523885;
        ee.__initData = __initData8;
        derivedValue = useDerivedValue(ee);
        const headerBufferSize = (width2 - a0) / 2 - safeAreaInsets_native.left;
        c31446_7 = headerBufferSize;
        const te = () => ({
          width: viewerScrolling.get() > 0 ? c31446_7 + derivedValue.get() : _spring.withSpring(c31446_7 + derivedValue.get(), {
            overshootClamping: true
          })
        });
        te.__closure = {
          viewerScrolling,
          headerBufferSize,
          margin: derivedValue,
          withSpring: _spring.withSpring
        };
        te.__workletHash = 11328769587377;
        te.__initData = __initData9;
        const animatedStyle = useAnimatedStyle(te);
        ThumbnailScrollPositions[ThumbnailScrollPositions.length - 1];
        const footerBufferSize = (width2 - a0) / 2 - safeAreaInsets_native.right;
        c31446_8 = footerBufferSize;
        const ne = () => ({
          width: viewerScrolling.get() > 0 ? c31446_8 + derivedValue.get() : _spring.withSpring(c31446_8 + derivedValue.get(), {
            overshootClamping: true
          })
        });
        ne.__closure = {
          viewerScrolling,
          footerBufferSize,
          margin: derivedValue,
          withSpring: _spring.withSpring
        };
        ne.__workletHash = 10532164558483;
        ne.__initData = __initData10;
        const animatedStyle2 = useAnimatedStyle(ne);
        const callback4 = useCallback((a0, a1) => {
          let derivedValue2, c31971_2, derivedValue3;
          const r18 = () => {
            const r12 = viewerPos.get();
            return _ReanimatedRexport.interpolate(r12, [a1 - 1, a1, a1 + 1], [0.4, 1, 0.4], "clamp");
          };
          r18.__closure = {
            interpolate: _ReanimatedRexport.interpolate,
            viewerPos,
            index: a1
          };
          r18.__workletHash = 5784737783661;
          r18.__initData = __initData11;
          derivedValue2 = useDerivedValue(r18);
          const sourceWidth = Math.max(Math.min(a0.width * (THUMBNAIL_HEIGHT / a0.height), THUMBNAIL_MAX_WIDTH), THUMBNAIL_MIN_WIDTH);
          c31971_2 = sourceWidth;
          const r38 = () => {
            let r29;
            if (thumbnailsScrolling.get() > 0) {
              r29 = THUMBNAIL_MIN_WIDTH;
            } else {
              const r14 = viewerPos.get();
              r29 = _ReanimatedRexport.interpolate(r14, [a1 - 1, a1, a1 + 1], [THUMBNAIL_MIN_WIDTH, c31971_2, THUMBNAIL_MIN_WIDTH], "clamp");
            }
            return r29;
          };
          r38.__closure = {
            thumbnailsScrolling,
            THUMBNAIL_MIN_WIDTH,
            interpolate: _ReanimatedRexport.interpolate,
            viewerPos,
            index: a1,
            sourceWidth
          };
          r38.__workletHash = 12440745987072;
          r38.__initData = __initData12;
          derivedValue3 = useDerivedValue(r38);
          const u = () => ({
            width: viewerScrolling.get() > 0 ? derivedValue3.get() : _spring.withSpring(derivedValue3.get(), {
              overshootClamping: true
            }),
            height: THUMBNAIL_HEIGHT,
            opacity: derivedValue2.get()
          });
          u.__closure = {
            viewerScrolling,
            _width: derivedValue3,
            withSpring: _spring.withSpring,
            THUMBNAIL_HEIGHT,
            opacity: derivedValue2
          };
          u.__workletHash = 513826663139;
          u.__initData = __initData13;
          return useAnimatedStyle(u);
        }, []);
        const ie = () => !zoomed.get();
        ie.__closure = {
          zoomed
        };
        ie.__workletHash = 7667674289153;
        ie.__initData = __initData14;
        return {
          ref: animatedRef,
          headerBufferStyle: animatedStyle,
          headerBufferSize,
          footerBufferStyle: animatedStyle2,
          footerBufferSize,
          scrollEnabled: useDerivedValue(ie),
          onScroll: animatedScrollHandler,
          onSelect: callback,
          useThumbnailStyle: callback4,
          screenWidth: width2,
          screenHeight: height,
          itemSize: (a0, a1) => THUMBNAIL_WIDTH_MARGIN
        };
      },
      useViewerProps: function useViewerProps() {
        let memo2, sharedValue;
        const animatedRef2 = useAnimatedRef();
        const mediaViewerDimensions = useMediaViewerDimensions();
        const { width, height } = mediaViewerDimensions;
        const r29 = function i() {
          if (thumbnailsAnimateTo.get() !== -1) {
            _ReanimatedRexport.scrollTo(animatedRef2, thumbnailsAnimateTo.get() * width, 0, false);
          }
        };
        r29.__closure = {
          thumbnailsAnimateTo,
          scrollTo: _ReanimatedRexport.scrollTo,
          ref: animatedRef2,
          screenWidth: width
        };
        r29.__workletHash = 11860326453239;
        r29.__initData = __initData15;
        useDerivedValue(r29);
        const r37 = function l() {
          if (!(thumbnailsScrolling.get() === 0 || viewerScrolling.get() > 0 || thumbnailsAnimateTo.get() !== -1)) {
            _ReanimatedRexport.scrollTo(animatedRef2, thumbnailsIndex.get() * width, 0, false);
          }
        };
        r37.__closure = {
          thumbnailsScrolling,
          viewerScrolling,
          thumbnailsAnimateTo,
          scrollTo: _ReanimatedRexport.scrollTo,
          ref: animatedRef2,
          thumbnailsIndex,
          screenWidth: width
        };
        r37.__workletHash = 16855593341498;
        r37.__initData = __initData16;
        useDerivedValue(r37);
        memo2 = useMemo(() => {
          const onBeginDrag = function() {
            viewerScrolling.set(2 | viewerScrolling.get());
            swipeSource.set("viewer");
          };
          onBeginDrag.__closure = {
            viewerScrolling,
            SCROLLING_DRAG: 2,
            swipeSource
          };
          onBeginDrag.__workletHash = 1082965969005;
          onBeginDrag.__initData = __initData17;
          const onEndDrag = function l() {
            viewerScrolling.set(-3 & viewerScrolling.get());
          };
          onEndDrag.__closure = {
            viewerScrolling,
            SCROLLING_DRAG: 2
          };
          onEndDrag.__workletHash = 1722948238280;
          onEndDrag.__initData = __initData18;
          const onScroll = function i(a0) {
            viewerPos.set(a0);
          };
          onScroll.__closure = {
            viewerPos
          };
          onScroll.__workletHash = 3817181878424;
          onScroll.__initData = __initData19;
          const n = function n() {
            viewerScrolling.set(4 | viewerScrolling.get());
            swipeSource.set("viewer");
          };
          n.__closure = {
            viewerScrolling,
            SCROLLING_MOMENTUM: 4,
            swipeSource
          };
          n.__workletHash = 16635271467463;
          n.__initData = __initData20;
          const t = function t() {
            viewerScrolling.set(-5 & viewerScrolling.get());
          };
          t.__closure = {
            viewerScrolling,
            SCROLLING_MOMENTUM: 4
          };
          t.__workletHash = 8806989101472;
          t.__initData = __initData21;
          return {
            onBeginDrag,
            onEndDrag,
            onScroll,
            onMomentumBegin: n,
            onMomentumEnd: t
          };
        }, []);
        sharedValue = useSharedValue(0);
        const S = function S(a0) {
          const r20 = Date.now() - sharedValue.get();
          if (isAndroid && (r20 < 500 && (a0.contentOffset.x === 0 && selectedIndex.get() !== 0))) {
            _ReanimatedRexport.scrollTo(animatedRef2, selectedIndex.get() * width, a0.contentOffset.y, false);
          } else if (!(viewerScrolling.get() === 0 && thumbnailsScrolling.get() === 0 && thumbnailsAnimateTo.get() === -1)) {
            memo2.onScroll(a0.contentOffset.x / width);
          }
        };
        S.__closure = {
          contentSizeLastChangedAt: sharedValue,
          IS_ANDROID: isAndroid,
          selectedIndex,
          scrollTo: _ReanimatedRexport.scrollTo,
          ref: animatedRef2,
          screenWidth: width,
          viewerScrolling,
          thumbnailsScrolling,
          thumbnailsAnimateTo,
          onScrollWorklets: memo2
        };
        S.__workletHash = 7511342747846;
        S.__initData = __initData22;
        const animatedScrollHandler = useAnimatedScrollHandler({
          onBeginDrag: memo2.onBeginDrag,
          onEndDrag: memo2.onEndDrag,
          onScroll: S,
          onMomentumBegin: memo2.onMomentumBegin,
          onMomentumEnd: memo2.onMomentumEnd
        });
        const callback = useCallback(() => {
          const r4 = selectedIndex.get() * width;
          const current = animatedRef2.current;
          if (current != null) {
            current.scrollTo(r4, false);
          }
          sharedValue.set(Date.now());
        }, [animatedRef2, width, sharedValue]);
        useEffect(() => {
          const current = animatedRef2.current;
          if (current != null) {
            current.reset();
          }
        }, [width, height, animatedRef2]);
        return {
          ref: animatedRef2,
          onScroll: animatedScrollHandler,
          onContentSizeChange: callback,
          useItemVisible: useCallback((a0) => {
            let c31972_0 = a0;
            const [state, setState] = useState(a0 === selectedIndex.get());
            const r23 = () => c31972_0 === selectedIndex.get();
            r23.__closure = {
              index: a0,
              selectedIndex
            };
            r23.__workletHash = 16337538404179;
            r23.__initData = __initData23;
            const r26 = function l(a0, a1) {
              if (a1 != null && a1 !== a0) {
                _ReanimatedRexport.runOnJS(setState)(a0);
              }
            };
            r26.__closure = {
              runOnJS: _ReanimatedRexport.runOnJS,
              setVisible: setState
            };
            r26.__workletHash = 17035713313425;
            r26.__initData = __initData24;
            useAnimatedReaction(r23, r26);
            return state;
          }, [])
        };
      },
      onEndReached,
      onEndReachedThreshold
    };
  }, [sources, memo, onEndReached, onEndReachedThreshold]);
}