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CEGUISubscriberSlot.h
1 /************************************************************************
2  filename: CEGUISubscriberSlot.h
3  created: Tue Feb 28 2006
4  author: Paul D Turner <paul@cegui.org.uk>
5 *************************************************************************/
6 /***************************************************************************
7  * Copyright (C) 2004 - 2006 Paul D Turner & The CEGUI Development Team
8  *
9  * Permission is hereby granted, free of charge, to any person obtaining
10  * a copy of this software and associated documentation files (the
11  * "Software"), to deal in the Software without restriction, including
12  * without limitation the rights to use, copy, modify, merge, publish,
13  * distribute, sublicense, and/or sell copies of the Software, and to
14  * permit persons to whom the Software is furnished to do so, subject to
15  * the following conditions:
16  *
17  * The above copyright notice and this permission notice shall be
18  * included in all copies or substantial portions of the Software.
19  *
20  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
23  * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
24  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
25  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
26  * OTHER DEALINGS IN THE SOFTWARE.
27  ***************************************************************************/
28 #ifndef _CEGUISubscriberSlot_h_
29 #define _CEGUISubscriberSlot_h_
30 
31 #include "CEGUIBase.h"
32 #include "CEGUIFreeFunctionSlot.h"
33 #include "CEGUIFunctorCopySlot.h"
34 #include "CEGUIFunctorReferenceSlot.h"
35 #include "CEGUIFunctorPointerSlot.h"
36 #include "CEGUIMemberFunctionSlot.h"
37 #include "CEGUIFunctorReferenceBinder.h"
38 
39 // Start of CEGUI namespace section
40 namespace CEGUI
41 {
42 
52 class CEGUIEXPORT SubscriberSlot
53 {
54 public:
60 
66 
72  ~SubscriberSlot();
73 
80  bool operator()(const EventArgs& args) const
81  {
82  return (*d_functor_impl)(args);
83  }
84 
89  bool connected() const
90  {
91  return d_functor_impl != 0;
92  }
93 
99  void cleanup();
100 
101  // templatised constructors
106  template<typename T>
107  SubscriberSlot(bool (T::*function)(const EventArgs&), T* obj) :
108  d_functor_impl(new MemberFunctionSlot<T>(function, obj))
109  {}
110 
115  template<typename T>
117  d_functor_impl(new FunctorReferenceSlot<T>(binder.d_functor))
118  {}
119 
124  template<typename T>
125  SubscriberSlot(const T& functor) :
126  d_functor_impl(new FunctorCopySlot<T>(functor))
127  {}
128 
133  template<typename T>
134  SubscriberSlot(T* functor) :
135  d_functor_impl(new FunctorPointerSlot<T>(functor))
136  {}
137 
138 private:
140  SlotFunctorBase* d_functor_impl;
141 };
142 
143 } // End of CEGUI namespace section
144 
145 #endif // end of guard _CEGUISubscriberSlot_h_