1 /** \file IEventOwner.h
2  **	\date  2005-12-07
3  **	\author grymse@alhem.net
4 **/
5 /*
6 Copyright (C) 2005-2011  Anders Hedstrom
7 
8 This library is made available under the terms of the GNU GPL, with
9 the additional exemption that compiling, linking, and/or using OpenSSL
10 is allowed.
11 
12 If you would like to use this library in a closed-source application,
13 a separate license agreement is available. For information about
14 the closed-source license agreement for the C++ sockets library,
15 please visit http://www.alhem.net/Sockets/license.html and/or
16 email license@alhem.net.
17 
18 This program is free software; you can redistribute it and/or
19 modify it under the terms of the GNU General Public License
20 as published by the Free Software Foundation; either version 2
21 of the License, or (at your option) any later version.
22 
23 This program is distributed in the hope that it will be useful,
24 but WITHOUT ANY WARRANTY; without even the implied warranty of
25 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
26 GNU General Public License for more details.
27 
28 You should have received a copy of the GNU General Public License
29 along with this program; if not, write to the Free Software
30 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
31 */
32 #ifndef _SOCKETS_IEventOwner_H
33 #define _SOCKETS_IEventOwner_H
34 
35 #include "sockets-config.h"
36 #include "IEventHandler.h"
37 
38 #ifdef SOCKETS_NAMESPACE
39 namespace SOCKETS_NAMESPACE {
40 #endif
41 
42 
43 /** Any class that wants to use timer events inherits this.
44 	\ingroup timer */
45 class IEventOwner
46 {
47 public:
48 	IEventOwner(IEventHandler& h);
49 	virtual ~IEventOwner();
50 
51 	/** Schedule event.
52 		\param sec Seconds until event
53 		\param usec Microseconds until event
54 		\return Event ID */
55 	long AddEvent(long sec,long usec);
56 	/** Clear all events scheduled by this owner. */
57 	void ClearEvents();
58 	/** Remove one event scheduled by this owner.
59 		\param eid Event ID to remove */
60 	void RemoveEvent(long eid);
61 	/** Event callback will fire when time is up. */
62 	virtual void OnEvent(int) = 0;
63 
64 	IEventHandler& GetEventHandler();
65 	void SetHandlerInvalid(bool x = true) { m_handler_invalid = x; }
66 
67 private:
68 	IEventHandler& m_event_handler;
69 	bool m_handler_invalid;
70 };
71 
72 
73 
74 #ifdef SOCKETS_NAMESPACE
75 }
76 #endif
77 
78 #endif // _SOCKETS_IEventOwner_H
79 
80