42 lines
922 B
Dart
42 lines
922 B
Dart
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import 'package:flutter/material.dart';
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//
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// Base for all BLoCs.
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// This class was adapted from https://github.com/boeledi/Streams-Block-Reactive-Programming-in-Flutter
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//
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abstract class BlocBase {
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void dispose();
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}
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class BlocProvider<T extends BlocBase> extends StatefulWidget {
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const BlocProvider({
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Key? key,
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required this.child,
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required this.bloc,
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}): super(key: key);
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final T bloc;
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final Widget child;
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@override
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BlocProviderState<T> createState() => BlocProviderState<T>();
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static T of<T extends BlocBase>(BuildContext context){
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BlocProvider<T>? provider = context.findAncestorWidgetOfExactType<BlocProvider<T>>();
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return provider!.bloc;
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}
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}
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class BlocProviderState<T> extends State<BlocProvider<BlocBase>>{
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@override
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void dispose(){
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widget.bloc.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context){
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return widget.child;
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}
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}
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