VitalApp/lib/components/android_scroll_wrapper/android_scroll_wrapper.dart

import 'dart:math';

import 'package:flutter/material.dart';
import 'package:fis_common/env/env.dart';
import 'package:flutter/rendering.dart';
import 'package:vitalapp/architecture/app_parameters.dart';

// 用于修正工作站 鼠标滚动速度过慢的问题 [弃用]
class AndroidScrollWrapper extends StatefulWidget {
  const AndroidScrollWrapper({
    super.key,
    required this.child,
    required this.controller,
    this.scrollSpeed = 40.0,
  });
  final Widget child;
  final ScrollController controller;
  final double scrollSpeed;

  @override
  State<AndroidScrollWrapper> createState() => _AndroidScrollWrapperState();
}

class _AndroidScrollWrapperState extends State<AndroidScrollWrapper> {
  FPlatformEnum get platform => FPlatform.current;
// ScrollNotification notification;
  // @override
  // void initState() {
  //   super.initState();
  //   if (platform == FPlatformEnum.android &&
  //       !AppParameters.data.isLocalStation) {
  //     widget.controller.addListener(_onScroll);
  //   }
  // }

  // @override
  // void dispose() {
  //   widget.controller.removeListener(_onScroll);
  //   super.dispose();
  // }

  void _onScroll() {
    ScrollDirection scrollDirection =
        widget.controller.position.userScrollDirection;
    if (scrollDirection != ScrollDirection.idle) {
      double scrollEnd = widget.controller.offset +
          (scrollDirection == ScrollDirection.reverse
              ? widget.scrollSpeed
              : -widget.scrollSpeed);
      scrollEnd = min(widget.controller.position.maxScrollExtent,
          max(widget.controller.position.minScrollExtent, scrollEnd));
      widget.controller.jumpTo(scrollEnd);
    }
  }

  @override
  Widget build(BuildContext context) {
    // if (platform == FPlatformEnum.android) {
    //   //  如果是安卓，需要监听滚动事件，加速安卓上鼠标的滚动
    //   return NotificationListener<ScrollNotification>(
    //     onNotification: (ScrollNotification notification) {
    //       if (notification is ScrollUpdateNotification) {
    //         widget.controller.jumpTo(
    //             widget.controller.offset + (notification.scrollDelta ?? 0));
    //       }
    //       return true;
    //     },
    //     child: widget.child,
    //   );
    // }
    return widget.child;
  }
}