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weakref.hxx
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19 #ifndef INCLUDED_CPPUHELPER_WEAKREF_HXX
20 #define INCLUDED_CPPUHELPER_WEAKREF_HXX
21 
23 #include <com/sun/star/uno/XInterface.hpp>
25 
26 
27 namespace com
28 {
29 namespace sun
30 {
31 namespace star
32 {
33 namespace uno
34 {
35 
36 class OWeakRefListener;
37 
42 {
43 public:
47  : m_pImpl( 0 )
48  {}
49 
54  WeakReferenceHelper( const WeakReferenceHelper & rWeakRef );
60  WeakReferenceHelper( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > & xInt );
64 
69  WeakReferenceHelper & SAL_CALL operator = ( const WeakReferenceHelper & rWeakRef );
70 
77  WeakReferenceHelper & SAL_CALL operator = (
78  const ::com::sun::star::uno::Reference<
79  ::com::sun::star::uno::XInterface > & xInt );
80 
86  inline bool SAL_CALL operator == ( const WeakReferenceHelper & rObj ) const
87  { return (get() == rObj.get()); }
88 
98  inline SAL_CALL operator Reference< XInterface > () const
99  { return get(); }
100 
105  void SAL_CALL clear();
106 
107 protected:
109  OWeakRefListener * m_pImpl;
111 };
112 
118 template< class interface_type >
120 {
121 public:
124  inline WeakReference()
126  {}
127 
133  : WeakReferenceHelper( rRef )
134  {}
135 
145  const ::com::sun::star::uno::Reference< interface_type > & xInt )
146  { WeakReferenceHelper::operator=(xInt); return *this; }
147 
152  inline SAL_CALL operator Reference< interface_type > () const
153  { return Reference< interface_type >::query( get() ); }
154 };
155 
156 }
157 }
158 }
159 }
160 
161 #endif
162 
163 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
bool operator==(const Any &rAny, const C &value)
Template equality operator: compares set value of left side any to right side value.
Definition: Any.hxx:563
static SAL_WARN_UNUSED_RESULT Reference< interface_type > query(const BaseReference &rRef)
Queries given interface reference for type interface_type.
Definition: Reference.hxx:340
WeakReferenceHelper()
Default ctor.
Definition: weakref.hxx:46
WeakReference & operator=(const ::com::sun::star::uno::Reference< interface_type > &xInt)
Releases this reference and takes over hard reference xInt.
Definition: weakref.hxx:144
WeakReference(const Reference< interface_type > &rRef)
Copy ctor.
Definition: weakref.hxx:132
::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > get() const
Gets a hard reference to the object.
The WeakReferenceHelper holds a weak reference to an object.
Definition: weakref.hxx:41
#define CPPUHELPER_DLLPUBLIC
Definition: cppuhelperdllapi.h:28
WeakReference()
Default ctor.
Definition: weakref.hxx:124
WeakReferenceHelper & operator=(const WeakReferenceHelper &rWeakRef)
Releases this reference and takes over rWeakRef.
The WeakReference<> holds a weak reference to an object.
Definition: weakref.hxx:119