LibreOffice Module svx (master)  1
sdrpageuser.hxx
Go to the documentation of this file.
1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
3  * This file is part of the LibreOffice project.
4  *
5  * This Source Code Form is subject to the terms of the Mozilla Public
6  * License, v. 2.0. If a copy of the MPL was not distributed with this
7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8  *
9  * This file incorporates work covered by the following license notice:
10  *
11  * Licensed to the Apache Software Foundation (ASF) under one or more
12  * contributor license agreements. See the NOTICE file distributed
13  * with this work for additional information regarding copyright
14  * ownership. The ASF licenses this file to you under the Apache
15  * License, Version 2.0 (the "License"); you may not use this file
16  * except in compliance with the License. You may obtain a copy of
17  * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18  */
19 
20 #ifndef INCLUDED_SVX_SDRPAGEUSER_HXX
21 #define INCLUDED_SVX_SDRPAGEUSER_HXX
22 
23 #include <vector>
24 
25 class SdrPage;
26 
27 // To make things more safe, allow users of the page to register at it. The users need to be derived
28 // from sdr::PageUser to get a call. The users do not need to call RemovePageUser() at the page
29 // when they get called from PageInDestruction().
30 
31 namespace sdr
32 {
33  class PageUser
34  {
35  public:
36  // this method is called from the destructor of the referenced page.
37  // do all necessary action to forget the page. It is not necessary to call
38  // RemovePageUser(), that is done from the destructor.
39  virtual void PageInDestruction(const SdrPage& rPage) = 0;
40 
41  protected:
42  ~PageUser() {}
43  };
44 
45  // typedef for PageUserVector
46  typedef ::std::vector< PageUser* > PageUserVector;
47 } // end of namespace sdr
48 
49 #endif // INCLUDED_SVX_SDRPAGEUSER_HXX
50 
51 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
::std::vector< PageUser * > PageUserVector
Definition: sdrpageuser.hxx:46
virtual void PageInDestruction(const SdrPage &rPage)=0
A SdrPage contains exactly one SdrObjList and a description of the physical page dimensions (size / m...
Definition: svdpage.hxx:365