/usr/include/libreoffice/cppuhelper/weak.hxx is in libreoffice-dev 1:3.5.2-2ubuntu1.
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#ifndef _CPPUHELPER_WEAK_HXX_
#define _CPPUHELPER_WEAK_HXX_
#include <osl/interlck.h>
#include <rtl/alloc.h>
#include <cppuhelper/weakref.hxx>
#include <cppuhelper/queryinterface.hxx>
#include <com/sun/star/uno/XWeak.hpp>
namespace cppu
{
/** @internal */
class OWeakConnectionPoint;
/** Base class to implement an UNO object supporting weak references, i.e. the object can be held
weakly (by a ::com::sun::star::uno::WeakReference).
This implementation copes with reference counting. Upon last release(), the virtual dtor
is called.
@derive
Inherit from this class and delegate acquire()/ release() calls.
*/
class OWeakObject : public ::com::sun::star::uno::XWeak
{
/** @internal */
friend class OWeakConnectionPoint;
protected:
/** Virtual dtor.
@attention
Despite the fact that a RuntimeException is allowed to be thrown, you must not throw any
exception upon destruction!
*/
virtual ~OWeakObject() SAL_THROW( (::com::sun::star::uno::RuntimeException) );
/** disposes and resets m_pWeakConnectionPoint
@precond
m_refCount equals 0
*/
void disposeWeakConnectionPoint();
/** reference count.
@attention
Don't modify manually! Use acquire() and release().
*/
oslInterlockedCount m_refCount;
/** Container of all weak reference listeners and the connection point from the weak reference.
@internal
*/
OWeakConnectionPoint * m_pWeakConnectionPoint;
/** reserved for future use. do not use.
@internal
*/
void * m_pReserved;
public:
// these are here to force memory de/allocation to sal lib.
/** @internal */
inline static void * SAL_CALL operator new( size_t nSize ) SAL_THROW( () )
{ return ::rtl_allocateMemory( nSize ); }
/** @internal */
inline static void SAL_CALL operator delete( void * pMem ) SAL_THROW( () )
{ ::rtl_freeMemory( pMem ); }
/** @internal */
inline static void * SAL_CALL operator new( size_t, void * pMem ) SAL_THROW( () )
{ return pMem; }
/** @internal */
inline static void SAL_CALL operator delete( void *, void * ) SAL_THROW( () )
{}
#ifdef _MSC_VER
/** Default Constructor. Sets the reference count to zero.
Accidentally occurs in msvc mapfile = > had to be outlined.
*/
OWeakObject() SAL_THROW( () );
#else
/** Default Constructor. Sets the reference count to zero.
*/
inline OWeakObject() SAL_THROW( () )
: m_refCount( 0 )
, m_pWeakConnectionPoint( 0 )
{}
#endif
/** Dummy copy constructor. Set the reference count to zero.
@param rObj dummy param
*/
inline OWeakObject( const OWeakObject & ) SAL_THROW( () )
: com::sun::star::uno::XWeak()
, m_refCount( 0 )
, m_pWeakConnectionPoint( 0 )
{}
/** Dummy assignment operator. Does not affect reference count.
@return this OWeakObject
*/
inline OWeakObject & SAL_CALL operator = ( const OWeakObject &)
SAL_THROW( () )
{ return *this; }
/** Basic queryInterface() implementation supporting ::com::sun::star::uno::XWeak and
::com::sun::star::uno::XInterface.
@param rType demanded type
@return demanded type or empty any
*/
virtual ::com::sun::star::uno::Any SAL_CALL queryInterface(
const ::com::sun::star::uno::Type & rType )
throw (::com::sun::star::uno::RuntimeException);
/** increasing m_refCount
*/
virtual void SAL_CALL acquire()
throw ();
/** decreasing m_refCount
*/
virtual void SAL_CALL release()
throw ();
/** XWeak::queryAdapter() implementation
@return a ::com::sun::star::uno::XAdapter reference
*/
virtual ::com::sun::star::uno::Reference< ::com::sun::star::uno::XAdapter > SAL_CALL queryAdapter()
throw (::com::sun::star::uno::RuntimeException);
/** Cast operator to XInterface reference.
@return XInterface reference
*/
inline SAL_CALL operator ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > () SAL_THROW( () )
{ return this; }
};
}
#endif
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