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/*
* The ManaPlus Client
* Copyright (C) 2010 The Mana Developers
* Copyright (C) 2011 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 = 0;
++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);
}
}
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