license: libvisio is MPLv2
[LibreOffice.git] / include / comphelper / weak.hxx
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1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
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6 * License, v. 2.0. If a copy of the MPL was not distributed with this
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19 #ifndef INCLUDED_COMPHELPER_WEAK_HXX
20 #define INCLUDED_COMPHELPER_WEAK_HXX
22 #include <comphelper/comphelperdllapi.h>
24 #include <com/sun/star/lang/XTypeProvider.hpp>
25 #include <cppuhelper/weak.hxx>
27 namespace comphelper
29 /** Base class to implement an 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.
34 In addition to the features from cppu::OWeakObject, derivations from this class can
35 also used as a base class for ::cppu::ImplInheritanceHelper?
37 class COMPHELPER_DLLPUBLIC OWeakTypeObject : public ::cppu::OWeakObject, public css::lang::XTypeProvider
39 public:
40 OWeakTypeObject();
41 virtual ~OWeakTypeObject() override;
43 OWeakTypeObject(OWeakTypeObject const &) = default;
44 OWeakTypeObject(OWeakTypeObject &&) = default;
45 OWeakTypeObject & operator =(OWeakTypeObject const &) = default;
46 OWeakTypeObject & operator =(OWeakTypeObject &&) = default;
48 virtual css::uno::Any SAL_CALL queryInterface(const css::uno::Type & rType ) override;
49 virtual void SAL_CALL acquire() throw () override;
50 virtual void SAL_CALL release() throw () override;
51 virtual css::uno::Sequence< css::uno::Type > SAL_CALL getTypes( ) override;
52 virtual css::uno::Sequence< ::sal_Int8 > SAL_CALL getImplementationId( ) override;
58 #endif
61 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */