/*
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* Copyright (C) 2021 Christopher J. Howard
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*
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* This file is part of Antkeeper source code.
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*
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* Antkeeper source code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Antkeeper source code is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Antkeeper source code. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "event-dispatcher.hpp"
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event_dispatcher::event_dispatcher()
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{}
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event_dispatcher::~event_dispatcher()
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{
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clear();
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}
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void event_dispatcher::update(double time)
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{
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// Process pending subscriptions
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for (auto it = to_subscribe.begin(); it != to_subscribe.end(); ++it)
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{
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handler_map[std::get<0>(*it)].push_back(std::get<1>(*it));
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}
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to_subscribe.clear();
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// Process pending unsubscriptions
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for (auto it = to_unsubscribe.begin(); it != to_unsubscribe.end(); ++it)
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{
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handler_map[std::get<0>(*it)].remove(std::get<1>(*it));
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}
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to_unsubscribe.clear();
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// Dispatch queued events
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flush();
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// For each scheduled event
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for (auto event = scheduled_events.begin(); event != scheduled_events.end();)
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{
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// If the event is due
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if (time >= event->first)
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{
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// Dispatch event
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dispatch(*(event->second));
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// Delete event
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delete event->second;
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event = scheduled_events.erase(event);
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}
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else
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{
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break;
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}
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}
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}
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void event_dispatcher::flush()
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{
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// For each event in the queue
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for (auto event = queued_events.begin(); event != queued_events.end(); ++event)
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{
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// Dispatch event
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dispatch(**event);
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// Delete event
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delete (*event);
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}
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// Clear event queue
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queued_events.clear();
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}
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void event_dispatcher::clear()
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{
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// For each event in the queue
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for (auto event = queued_events.begin(); event != queued_events.end(); ++event)
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{
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// Delete event
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delete (*event);
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}
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// Clear event queue
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queued_events.clear();
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// For each scheduled event
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for (auto event = scheduled_events.begin(); event != scheduled_events.end(); ++event)
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{
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// Delete event
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delete event->second;
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}
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// Clear scheduled events
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scheduled_events.clear();
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}
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