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weak.hxx
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19 #ifndef INCLUDED_CPPUHELPER_WEAK_HXX
20 #define INCLUDED_CPPUHELPER_WEAK_HXX
21 
22 #include <cassert>
23 #include <osl/interlck.h>
24 #include <rtl/alloc.h>
25 #include <com/sun/star/uno/XWeak.hpp>
27 
28 
29 namespace cppu
30 {
31 
32 class OWeakConnectionPoint;
33 
42 class CPPUHELPER_DLLPUBLIC OWeakObject : public ::com::sun::star::uno::XWeak
43 {
44  friend class OWeakConnectionPoint;
45 
46 protected:
53  virtual ~OWeakObject();
54 
59  void disposeWeakConnectionPoint();
60 
67 
69 
72  OWeakConnectionPoint * m_pWeakConnectionPoint;
73 
76  void * m_pReserved;
77 
79 
80 public:
82  // these are here to force memory de/allocation to sal lib.
83  inline static void * SAL_CALL operator new( size_t nSize )
84  { return ::rtl_allocateMemory( nSize ); }
85  inline static void SAL_CALL operator delete( void * pMem )
86  { ::rtl_freeMemory( pMem ); }
87  inline static void * SAL_CALL operator new( size_t, void * pMem )
88  { return pMem; }
89  inline static void SAL_CALL operator delete( void *, void * )
90  {}
92 
93 #ifdef _MSC_VER
94 
97  OWeakObject();
98 #else
99 
101  inline OWeakObject()
102  : m_refCount( 0 )
103  , m_pWeakConnectionPoint( 0 )
104  , m_pReserved(0)
105  {}
106 #endif
107 
111  inline OWeakObject( const OWeakObject & rObj )
112  : com::sun::star::uno::XWeak()
113  , m_refCount( 0 )
114  , m_pWeakConnectionPoint( 0 )
115  , m_pReserved(0)
116  {
117  (void) rObj;
118  }
123  inline OWeakObject & SAL_CALL operator = ( const OWeakObject &)
124  { return *this; }
125 
132  virtual ::com::sun::star::uno::Any SAL_CALL queryInterface(
133  const ::com::sun::star::uno::Type & rType )
134  throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
137  virtual void SAL_CALL acquire()
138  throw () SAL_OVERRIDE;
141  virtual void SAL_CALL release()
142  throw () SAL_OVERRIDE;
143 
148  virtual ::com::sun::star::uno::Reference< ::com::sun::star::uno::XAdapter > SAL_CALL queryAdapter()
149  throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
150 
155  inline SAL_CALL operator ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > ()
156  { return this; }
157 };
158 
160 
171 static inline ::com::sun::star::uno::XInterface * acquire(OWeakObject * instance)
172 {
173  assert(instance != 0);
174  instance->acquire();
175  return instance;
176 }
178 
179 }
180 
181 #endif
182 
183 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
SAL_DLLPUBLIC void rtl_freeMemory(void *Ptr) SAL_THROW_EXTERN_C()
Free memory.
sal_Int32 oslInterlockedCount
Definition: interlck.h:32
OWeakObject(const OWeakObject &rObj)
Dummy copy constructor.
Definition: weak.hxx:111
Base class to implement an UNO object supporting weak references, i.e.
Definition: weak.hxx:42
SAL_DLLPUBLIC void * rtl_allocateMemory(sal_Size Bytes) SAL_THROW_EXTERN_C()
Allocate memory.
#define SAL_OVERRIDE
C++11 "override" feature.
Definition: types.h:417
OWeakObject()
Default Constructor.
Definition: weak.hxx:101
oslInterlockedCount m_refCount
reference count.
Definition: weak.hxx:66
#define CPPUHELPER_DLLPUBLIC
Definition: cppuhelperdllapi.h:28
inline::com::sun::star::uno::Any queryInterface(const ::com::sun::star::uno::Type &rType, Interface1 *p1)
Compares demanded type to given template argument types.
Definition: queryinterface.hxx:39