1 /* 2 * Copyright (c) 2021 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #include "event_handler.h" 17 #include "event_reactor.h" 18 19 namespace OHOS { 20 namespace Utils { 21 EventHandler(int fd,EventReactor * r)22EventHandler::EventHandler(int fd, EventReactor* r) 23 :fd_(fd), events_(EventReactor::NONE_EVENT), reactor_(r) 24 { 25 } 26 EnableRead()27void EventHandler::EnableRead() 28 { 29 events_ |= EventReactor::READ_EVENT; 30 Update(); 31 } 32 DisableAll()33void EventHandler::DisableAll() 34 { 35 events_ = EventReactor::NONE_EVENT; 36 Update(); 37 } 38 HandleEvents(uint32_t events)39void EventHandler::HandleEvents(uint32_t events) 40 { 41 if (events & (EventReactor::READ_EVENT)) { 42 if (readCallback_) { 43 readCallback_(); 44 } 45 } 46 } 47 Update()48void EventHandler::Update() 49 { 50 if (reactor_ != nullptr) { 51 reactor_->UpdateEventHandler(this); 52 } 53 } 54 55 } // Utils 56 } // OHOS 57