haiku/src/servers/registrar/WatchingService.h

57 lines
2.0 KiB
C++

//------------------------------------------------------------------------------
// Copyright (c) 2001-2002, OpenBeOS
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
// File Name: WatchingService.h
// Author: Ingo Weinhold (bonefish@users.sf.net)
// Description: Features everything needed to provide a watching service.
//------------------------------------------------------------------------------
#ifndef WATCHING_SERVICE_H
#define WATCHING_SERVICE_H
#include <map>
#include <Messenger.h>
class Watcher;
class WatcherFilter;
class WatchingService {
public:
WatchingService();
virtual ~WatchingService();
bool AddWatcher(Watcher *watcher);
bool AddWatcher(const BMessenger &target);
bool RemoveWatcher(Watcher *watcher, bool deleteWatcher = true);
bool RemoveWatcher(const BMessenger &target, bool deleteWatcher = true);
void NotifyWatchers(BMessage *message, WatcherFilter *filter = NULL);
private:
typedef std::map<BMessenger,Watcher*> watcher_map;
private:
watcher_map fWatchers;
};
#endif // WATCHING_SERVICE_H