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/****************************************************************************
* 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.h"
#include "gen_ar_eventhandler.h"
#include <vector>
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)
{
mHandlers.push_back(pHandler);
}
void Dispatch(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<EventHandler*> mHandlers;
};
};
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