+++ /dev/null
-
-/*******************************************************************************
-
- Copyright (c) 2009, Charles McGarvey
- All rights reserved.
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions are met:
-
- * Redistributions of source code must retain the above copyright notice,
- this list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice,
- this list of conditions and the following disclaimer in the documentation
- and/or other materials provided with the distribution.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-*******************************************************************************/
-
-#ifndef _MOOF_DISPATCHER_HH_
-#define _MOOF_DISPATCHER_HH_
-
-#include <string>
-
-#include <boost/bind.hpp>
-#include <boost/function.hpp>
-#include <boost/shared_ptr.hpp>
-
-
-namespace Mf {
-
-
-/**
- * Interface for a notification class.
- */
-
-class Notification
-{
-public:
- virtual ~Notification() {};
-};
-
-
-/**
- * Dispatcher of notifications to interested parties.
- */
-
-class Dispatcher
-{
- class Impl;
- boost::shared_ptr<Impl> mImpl;
-
-public:
-
- // TODO - the Handler would be even better as an object which automagically
- // removes itself from the dispatcher on destruction, so users don't have to
- // worry about forgetting
- typedef void* Handler;
- typedef boost::function<void(const Notification*)> Function;
-
- Dispatcher();
- ~Dispatcher();
-
- // get global instance
- static Dispatcher& getInstance();
-
- Handler addHandler(const std::string& message, const Function& callback);
- Handler addHandler(const std::string& message, const Function& callback,
- Handler id);
-
- void removeHandler(Handler id);
-
- void dispatch(const std::string& message, const Notification* param = 0);
-};
-
-
-namespace dispatcher {
-
-inline Dispatcher::Handler addHandler(const std::string& message,
- const Dispatcher::Function& callback)
-{
- return Dispatcher::getInstance().addHandler(message, callback);
-}
-
-inline Dispatcher::Handler addHandler(const std::string& message,
- const Dispatcher::Function& callback, Dispatcher::Handler id)
-{
- return Dispatcher::getInstance().addHandler(message, callback, id);
-}
-
-inline void removeHandler(Dispatcher::Handler id)
-{
- Dispatcher::getInstance().removeHandler(id);
-}
-
-inline void dispatch(const std::string& message, const Notification* param = 0)
-{
- Dispatcher::getInstance().dispatch(message, param);
-}
-
-} // namespace dispatcher
-
-
-} // namespace Mf
-
-#endif // _MOOF_DISPATCHER_HH_
-
-/** vim: set ts=4 sw=4 tw=80: *************************************************/
-