include/comphelper/weak.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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  19 #ifndef INCLUDED_COMPHELPER_WEAK_HXX
  20 #define INCLUDED_COMPHELPER_WEAK_HXX
  21
  22 #include <comphelper/comphelperdllapi.h>
  23
  24 #include <com/sun/star/lang/XTypeProvider.hpp>
  25 #include <cppuhelper/weak.hxx>
  26
  27 namespace comphelper
  28 {
  29 /** Base class to implement a UNO object supporting types and weak references, i.e. the object can be held
  30     weakly (by a css::uno::WeakReference).
  31     This implementation copes with reference counting.  Upon last release(), the virtual dtor
  32     is called.
  33
  34     In addition to the features from cppu::OWeakObject, derivations from this class can
  35     also used as a base class for ::cppu::ImplInheritanceHelper?
  36 */
  37 class COMPHELPER_DLLPUBLIC OWeakTypeObject : public ::cppu::OWeakObject, public css::lang::XTypeProvider
  38 {
  39 public:
  40     OWeakTypeObject();
  41     virtual ~OWeakTypeObject() override;
  42
  43     OWeakTypeObject(OWeakTypeObject const &) = default;
  44     OWeakTypeObject(OWeakTypeObject &&) = default;
  45     OWeakTypeObject & operator =(OWeakTypeObject const &) = default;
  46     OWeakTypeObject & operator =(OWeakTypeObject &&) = default;
  47
  48     virtual css::uno::Any SAL_CALL queryInterface(const css::uno::Type & rType ) override;
  49     virtual void SAL_CALL acquire() noexcept override
  50     { ::cppu::OWeakObject::acquire(); }
  51     virtual void SAL_CALL release() noexcept override
  52     { ::cppu::OWeakObject::release(); }
  53
  54     virtual css::uno::Sequence< css::uno::Type > SAL_CALL getTypes(  ) override;
  55     virtual css::uno::Sequence< ::sal_Int8 > SAL_CALL getImplementationId(  ) override;
  56
  57 };
  58
  59 }
  60
  61 #endif
  62
  63
  64 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */