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 <algorithm>
24 #include <vector>
25 
26 namespace vcl
27 {
28 
29 class DeletionListener;
30 
32 {
33  std::vector< DeletionListener* > m_aListeners;
34  protected:
36 
38  { notifyDelete(); }
39 
40  inline void notifyDelete();
41 
42  public:
43  void addDel( DeletionListener* pListener )
44  { m_aListeners.push_back( pListener ); }
45 
46  void removeDel( DeletionListener* pListener )
47  { m_aListeners.erase(std::remove(m_aListeners.begin(), m_aListeners.end(), pListener), m_aListeners.end()); }
48 };
49 
51 {
53  public:
55  : m_pNotifier( pNotifier )
56  {
57  if( m_pNotifier )
58  m_pNotifier->addDel( this );
59  }
61  {
62  if( m_pNotifier )
63  m_pNotifier->removeDel( this );
64  }
65  void deleted() { m_pNotifier = nullptr; }
66  bool isDeleted() const { return (m_pNotifier == nullptr); }
67 };
68 
70 {
71  for( auto& rListener : m_aListeners )
72  rListener->deleted();
73 
74  m_aListeners.clear();
75 }
76 
77 } // namespace vcl
78 
79 #endif // INCLUDED_VCL_IMPDEL_HXX
80 
81 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
std::vector< DeletionListener * > m_aListeners
Definition: impdel.hxx:33
DeletionListener(DeletionNotifier *pNotifier)
Definition: impdel.hxx:54
bool isDeleted() const
Definition: impdel.hxx:66
void addDel(DeletionListener *pListener)
Definition: impdel.hxx:43
DeletionNotifier * m_pNotifier
Definition: impdel.hxx:52
void removeDel(DeletionListener *pListener)
Definition: impdel.hxx:46