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authorfluxgen <fluxgen>2003-02-15 01:21:40 (GMT)
committerfluxgen <fluxgen>2003-02-15 01:21:40 (GMT)
commit72f584da70a0847bdb3e9cdfb1cee322381e9080 (patch)
tree51a2371640184f95c94c56d5807aa8cc516a4497 /src/FbTk/Subject.hh
parentab9cb939cfa865804ad354a15099192fe5f64b9f (diff)
downloadfluxbox_pavel-72f584da70a0847bdb3e9cdfb1cee322381e9080.zip
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1// Subject.hh for FbTk
2// Copyright (c) 2002 Henrik Kinnunen (fluxgen@fluxbox.org)
3//
4// Permission is hereby granted, free of charge, to any person obtaining a
5// copy of this software and associated documentation files (the "Software"),
6// to deal in the Software without restriction, including without limitation
7// the rights to use, copy, modify, merge, publish, distribute, sublicense,
8// and/or sell copies of the Software, and to permit persons to whom the
9// Software is furnished to do so, subject to the following conditions:
10//
11// The above copyright notice and this permission notice shall be included in
12// all copies or substantial portions of the Software.
13//
14// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20// DEALINGS IN THE SOFTWARE.
21
22// $Id: Subject.hh,v 1.1 2003/02/15 01:21:40 fluxgen Exp $
23
24#ifndef FBTK_SUBJECT_HH
25#define FBTK_SUBJECT_HH
26
27#include <list>
28
29namespace FbTk {
30
31class Observer;
32
33class Subject {
34public:
35 Subject();
36 virtual ~Subject();
37 /// attach an observer
38 void attach(Observer *obs);
39 /// detach an observer
40 void detach(Observer *obs);
41 /// notify all attached observers
42 void notify();
43 static void removeObserver(Observer *obs);
44private:
45 typedef std::list<Observer *> ObserverList;
46 ObserverList m_observerlist;
47
48 typedef std::list<Subject *> SubjectList;
49 static SubjectList s_subjectlist;
50};
51
52}; // end namespace FbTk
53
54#endif // FBTK_SUBJECT_HH