LibreOffice Module vcl (master)  1
impdel.hxx
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19 
20 #ifndef INCLUDED_VCL_IMPDEL_HXX
21 #define INCLUDED_VCL_IMPDEL_HXX
22 
23 #include <list>
24 
25 namespace vcl
26 {
27 
28 class DeletionListener;
29 
31 {
32  std::list< DeletionListener* > m_aListeners;
33  protected:
35 
37  { notifyDelete(); }
38 
39  inline void notifyDelete();
40 
41  public:
42  void addDel( DeletionListener* pListener )
43  { m_aListeners.push_back( pListener ); }
44 
45  void removeDel( DeletionListener* pListener )
46  { m_aListeners.remove( pListener ); }
47 };
48 
50 {
52  public:
54  : m_pNotifier( pNotifier )
55  {
56  if( m_pNotifier )
57  m_pNotifier->addDel( this );
58  }
60  {
61  if( m_pNotifier )
62  m_pNotifier->removeDel( this );
63  }
64  void deleted() { m_pNotifier = nullptr; }
65  bool isDeleted() const { return (m_pNotifier == nullptr); }
66 };
67 
69 {
70  for( auto& rListener : m_aListeners )
71  rListener->deleted();
72 
73  m_aListeners.clear();
74 }
75 
76 } // namespace vcl
77 
78 #endif // INCLUDED_VCL_IMPDEL_HXX
79 
80 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
DeletionListener(DeletionNotifier *pNotifier)
Definition: impdel.hxx:53
bool isDeleted() const
Definition: impdel.hxx:65
void addDel(DeletionListener *pListener)
Definition: impdel.hxx:42
std::list< DeletionListener * > m_aListeners
Definition: impdel.hxx:32
DeletionNotifier * m_pNotifier
Definition: impdel.hxx:51
void removeDel(DeletionListener *pListener)
Definition: impdel.hxx:45