62 lines
1.5 KiB
Dart
62 lines
1.5 KiB
Dart
import 'package:flutter/material.dart';
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typedef OnInterceptor = Function(bool isInterceptor);
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/// 导航管理
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class NavigatorManager {
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///所有路由栈，包括弹窗与页面
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List<Route>? _history;
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static final NavigatorManager _instance = NavigatorManager._internal();
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factory NavigatorManager() => _instance;
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NavigatorManager? _bus;
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NavigatorManager._internal() {
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if (_bus == null) {
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_history = <Route>[];
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}
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}
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///通过拦截器增加 push router
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void addRouter(Route route) {
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_history?.add(route);
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}
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///通过拦截器移动 push router
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void removeRouter(Route route) {
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_history?.remove(route);
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}
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///通过拦截器移动 push router
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void replaceRouter(Route newRoute, Route oldRoute) {
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_history?.remove(oldRoute);
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_history?.add(newRoute);
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}
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List<Route>? get history => _history;
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///是否顶层路由为页面，或者还未显示，正在压入栈
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bool isTopRouter(String routerName) {
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if (_history!.isEmpty) {
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return false;
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}
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int i = _history!.length - 1;
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Route route = _history![i];
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while (route.settings == null && i >= 0) {
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i--;
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route = _history![i];
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}
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return route.settings.name != null && route.settings.name == routerName;
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}
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///是否顶层路由为弹窗(包括showBottomSheet)，或者还未显示，正在压入栈
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bool isTopDialog() {
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if (_history!.isEmpty) {
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return false;
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}
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return _history![_history!.length - 1].settings.name == null;
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}
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}
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