/* * The ManaPlus Client * Copyright (C) 2010 The Mana Developers * Copyright (C) 2011-2012 The ManaPlus Developers * * This file is part of The ManaPlus Client. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include "event.h" #include "listener.h" #include "variabledata.h" #include "debug.h" namespace Mana { ListenMap Event::mBindings; Event::~Event() { VariableMap::iterator it = mData.begin(); while (it != mData.end()) { delete it->second; it->second = nullptr; ++it; } } void Event::setInt(const std::string &key, int value) throw (BadEvent) { if (mData.find(key) != mData.end()) throw KEY_ALREADY_EXISTS; mData[key] = new IntData(value); } int Event::getInt(const std::string &key) const throw (BadEvent) { VariableMap::const_iterator it = mData.find(key); if (it == mData.end()) throw BAD_KEY; if (!it->second || it->second->getType() != VariableData::DATA_INT) throw BAD_VALUE; return static_cast<IntData *>(it->second)->getData(); } void Event::setString(const std::string &key, const std::string &value) throw (BadEvent) { if (mData.find(key) != mData.end()) throw KEY_ALREADY_EXISTS; mData[key] = new StringData(value); } const std::string &Event::getString(const std::string &key) const throw (BadEvent) { VariableMap::const_iterator it = mData.find(key); if (it == mData.end()) throw BAD_KEY; if (!it->second || it->second->getType() != VariableData::DATA_STRING) throw BAD_VALUE; return static_cast<StringData *>(it->second)->getData(); } void Event::setFloat(const std::string &key, double value) throw (BadEvent) { if (mData.find(key) != mData.end()) throw KEY_ALREADY_EXISTS; mData[key] = new FloatData(value); } double Event::getFloat(const std::string &key) const throw (BadEvent) { VariableMap::const_iterator it = mData.find(key); if (it == mData.end()) throw BAD_KEY; if (!it->second || it->second->getType() != VariableData::DATA_FLOAT) throw BAD_VALUE; return static_cast<FloatData *>(it->second)->getData(); } void Event::trigger(Channels channel, const Event &event) { ListenMap::const_iterator it = mBindings.find(channel); // Make sure something is listening if (it == mBindings.end()) return; // Loop though all listeners ListenerSet::const_iterator lit = it->second.begin(); while (lit != it->second.end()) { if (*lit) (*lit)->processEvent(channel, event); ++lit; } } void Event::remove(Listener *listener) { ListenMap::iterator it = mBindings.begin(); while (it != mBindings.end()) { it->second.erase(listener); ++it; } } void Event::bind(Listener *listener, Channels channel) { mBindings[channel].insert(listener); } void Event::unbind(Listener *listener, Channels channel) { mBindings[channel].erase(listener); } }