/**************************************************************************** * Copyright (C) 2016 Intel Corporation. All Rights Reserved. * * 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 (including the next * paragraph) 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. * * @file archrast.h * * @brief Definitions for the event manager. * ******************************************************************************/ #pragma once #include "common/os.h" #include "gen_ar_event.hpp" #include "gen_ar_eventhandler.hpp" #include namespace ArchRast { ////////////////////////////////////////////////////////////////////////// /// EventManager - interface to dispatch events to handlers. /// Event handling occurs only on a single thread. ////////////////////////////////////////////////////////////////////////// class EventManager { public: EventManager() {} ~EventManager() { // Event manager owns destroying handler objects once attached. ///@note See comment for Detach. for (auto pHandler : mHandlers) { delete pHandler; } } void Attach(EventHandler* pHandler) { SWR_ASSERT(pHandler != nullptr); mHandlers.push_back(pHandler); } void Dispatch(const Event& event) { ///@todo Add event filter check here. for (auto pHandler : mHandlers) { event.Accept(pHandler); } } void FlushDraw(uint32_t drawId) { for (auto pHandler : mHandlers) { pHandler->FlushDraw(drawId); } } private: // Handlers stay registered for life void Detach(EventHandler* pHandler) { SWR_INVALID("Should not be called"); } std::vector mHandlers; }; };