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opt hide top/bottom bar

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Signed-off-by: dom <githubaccount56556@proton.me>
This commit is contained in:
dom
2026-02-18 14:48:42 +08:00
parent a5efca4e1f
commit dfa258b9e6
13 changed files with 157 additions and 224 deletions
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100
lib/pages/common/common_page.dart
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@@ -1,7 +1,7 @@
import 'package:PiliPlus/common/constants.dart' show StyleString;
import 'package:PiliPlus/pages/common/common_controller.dart';
import 'package:PiliPlus/pages/home/controller.dart';
import 'package:PiliPlus/pages/main/controller.dart';
import 'package:PiliPlus/utils/storage_pref.dart';
import 'package:flutter/foundation.dart' show clampDouble;
import 'package:flutter/material.dart';
import 'package:get/get.dart';
@@ -12,33 +12,17 @@ abstract class CommonPageState<
extends State<T> {
R get controller;
final _mainController = Get.find<MainController>();
RxBool? _showBottomBar;
RxBool? _showSearchBar;
// late double _downScrollCount = 0.0; // 向下滚动计数器
late double _upScrollCount = 0.0; // 向上滚动计数器
double? _lastScrollPosition; // 记录上次滚动位置
final _enableScrollThreshold = Pref.enableScrollThreshold;
late final double _scrollThreshold = Pref.scrollThreshold; // 滚动阈值
late final _scrollController = controller.scrollController;
RxDouble? _barOffset;
@override
void initState() {
super.initState();
_showBottomBar = _mainController.showBottomBar;
try {
_showSearchBar = Get.find<HomeController>().showSearchBar;
} catch (_) {}
if (_enableScrollThreshold &&
(_showBottomBar != null || _showSearchBar != null)) {
_scrollController.addListener(listener);
}
_barOffset = _mainController.barOffset;
}
Widget onBuild(Widget child) {
if (!_enableScrollThreshold &&
(_showBottomBar != null || _showSearchBar != null)) {
return NotificationListener<UserScrollNotification>(
if (_barOffset != null) {
return NotificationListener<ScrollUpdateNotification>(
onNotification: onNotification,
child: child,
);
@@ -46,69 +30,29 @@ abstract class CommonPageState<
return child;
}
bool onNotification(UserScrollNotification notification) {
if (notification.metrics.axis == .horizontal) return false;
bool onNotification(ScrollUpdateNotification notification) {
if (!_mainController.useBottomNav) return false;
final direction = notification.direction;
if (direction == .forward) {
_showBottomBar?.value = true;
_showSearchBar?.value = true;
} else if (direction == .reverse) {
_showBottomBar?.value = false;
_showSearchBar?.value = false;
final metrics = notification.metrics;
if (metrics.axis == .horizontal ||
metrics.pixels < 0 ||
notification.dragDetails == null) {
return false;
}
final scrollDelta = notification.scrollDelta ?? 0.0;
_barOffset!.value = clampDouble(
_barOffset!.value + scrollDelta,
0.0,
StyleString.topBarHeight,
);
return false;
}
void listener() {
if (!_mainController.useBottomNav) return;
final direction = _scrollController.position.userScrollDirection;
final double currentPosition = _scrollController.position.pixels;
// 初始化上次位置
_lastScrollPosition ??= currentPosition;
// 计算滚动距离
final double scrollDelta = currentPosition - _lastScrollPosition!;
if (direction == .reverse) {
_showBottomBar?.value = false;
_showSearchBar?.value = false; // // 向下滚动，累加向下滚动距离，重置向上滚动计数器
_upScrollCount = 0.0; // 重置向上滚动计数器
// if (scrollDelta > 0) {
// _downScrollCount += scrollDelta;
// // _upScrollCount = 0.0; // 重置向上滚动计数器
// // 当累计向下滚动距离超过阈值时，隐藏顶底栏
// if (_downScrollCount >= _scrollThreshold) {
// mainStream?.add(false);
// searchBarStream?.add(false);
// }
// }
} else if (direction == .forward) {
// 向上滚动，累加向上滚动距离，重置向下滚动计数器
if (scrollDelta < 0) {
_upScrollCount -= scrollDelta; // 使用绝对值
// _downScrollCount = 0.0; // 重置向下滚动计数器
// 当累计向上滚动距离超过阈值时，显示顶底栏
if (_upScrollCount >= _scrollThreshold) {
_showBottomBar?.value = true;
_showSearchBar?.value = true;
}
}
}
// 更新上次位置
_lastScrollPosition = currentPosition;
}
@override
void dispose() {
_showSearchBar = null;
_showBottomBar = null;
_scrollController.removeListener(listener);
_barOffset = null;
super.dispose();
}
}