/* * The MIT License (MIT) * * Copyright (c) 2019 Alibaba Group * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ import 'package:flutter_boost/support/logger.dart'; typedef void PageResultHandler(String key , Map<dynamic,dynamic> result); typedef VoidCallback = void Function(); class PageResultMediator{ Map<String,PageResultHandler> _handlers = Map(); void onPageResult(String key , Map<dynamic,dynamic> resultData){ if(key == null) return; Logger.log("did receive page result $resultData for page key $key"); if(_handlers.containsKey(key)){ _handlers[key](key,resultData); _handlers.remove(key); } } VoidCallback setPageResultHandler(String key, PageResultHandler handler){ if(key == null || handler == null) return (){}; _handlers[key] = handler; return (){ _handlers.remove(key); }; } }