jobservable.cpp
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/***************************************************************************
* Copyright (C) 2005 by Jeff Ferr *
* root@sat *
* *
* 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 *
* (at your option) 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, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include "Stdafx.h"
#include "jobservable.h"
#include "jautolock.h"
namespace jcommon {
Observable::Observable():
jcommon::Object()
{
jcommon::Object::SetClassName("jcommon::Observable");
}
Observable::~Observable()
{
}
void Observable::AddObserver(Observer *o)
{
jthread::AutoLock lock(&_mutex);
_observers.push_back(o);
}
void Observable::RemoveObserver(Observer *o)
{
jthread::AutoLock lock(&_mutex);
std::vector<Observer *>::iterator i = std::find(_observers.begin(), _observers.end(), o);
if (i != _observers.end()) {
_observers.erase(i);
}
}
void Observable::RemoveAllObservers()
{
jthread::AutoLock lock(&_mutex);
_observers.clear();
}
void Observable::NotifyObservers(void *v)
{
jthread::AutoLock lock(&_mutex);
for (std::vector<Observer *>::iterator i=_observers.begin(); i!=_observers.end(); i++) {
(*i)->Update(v);
}
}
void Observable::SetChanged(bool b)
{
_changed = b;
}
bool Observable::HasChanged()
{
return _changed;
}
int Observable::CountObservers()
{
jthread::AutoLock lock(&_mutex);
return _observers.size();
}
}