tbx  0.7.6
objectdelete.h
1 /*
2  * tbx RISC OS toolbox library
3  *
4  * Copyright (C) 2010 Alan Buckley All Rights Reserved.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included
14  * in all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22  * THE SOFTWARE.
23  */
24 
25 #ifndef TBX_OBJECTDELETE_H_
26 #define TBX_OBJECTDELETE_H_
27 
28 #include "application.h"
29 #include "objectdeletedlistener.h"
30 
31 namespace tbx
32 {
43  template<class T> class ObjectDeleteClass : public tbx::ObjectDeletedListener
44  {
45  T *_class_to_delete;
46  public:
55  ObjectDeleteClass(T *class_to_delete) : _class_to_delete(class_to_delete) {}
61  virtual void object_deleted(Object &object)
62  {
63  delete _class_to_delete;
64  delete this;
65  }
66  };
67 
68 }
69 
70 #endif /* OBJECTDELETE_H_ */
tbx
A library for creating RISC OS toolbox applications.
Definition: abouttobeshownlistener.cc:35
tbx::ObjectDeleteClass::ObjectDeleteClass
ObjectDeleteClass(T *class_to_delete)
Constructor with C++ object to delete.
Definition: objectdelete.h:55
tbx::Object
Class to manipulate a toolbox object.
Definition: object.h:51
tbx::ObjectDeletedListener
Listener for toolbox object deleted event.
Definition: objectdeletedlistener.h:49
tbx::ObjectDeleteClass::object_deleted
virtual void object_deleted(Object &object)
Delete the given C++ class and this object on event received.
Definition: objectdelete.h:61
tbx::ObjectDeleteClass
Templated object deleted listener to delete a C++ object when a toolbox object gets deleted.
Definition: objectdelete.h:44