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| -rw-r--r-- | include/comphelper/enumhelper.hxx | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/include/comphelper/enumhelper.hxx b/include/comphelper/enumhelper.hxx new file mode 100644 index 000000000..16d95b76e --- /dev/null +++ b/include/comphelper/enumhelper.hxx @@ -0,0 +1,121 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#ifndef INCLUDED_COMPHELPER_ENUMHELPER_HXX +#define INCLUDED_COMPHELPER_ENUMHELPER_HXX + +#include <com/sun/star/container/XEnumeration.hpp> +#include <com/sun/star/lang/XEventListener.hpp> +#include <cppuhelper/implbase.hxx> +#include <osl/mutex.hxx> +#include <comphelper/comphelperdllapi.h> + +namespace com::sun::star::container { class XIndexAccess; } +namespace com::sun::star::container { class XNameAccess; } + +namespace comphelper +{ + +struct OEnumerationLock +{ + public: + ::osl::Mutex m_aLock; +}; + +/** provides a com.sun.star.container::XEnumeration access based + on an object implementing the com.sun.star.container::XNameAccess interface +*/ +class COMPHELPER_DLLPUBLIC OEnumerationByName final : private OEnumerationLock + , public ::cppu::WeakImplHelper< css::container::XEnumeration , + css::lang::XEventListener > +{ + css::uno::Sequence< OUString > const m_aNames; + sal_Int32 m_nPos; + css::uno::Reference< css::container::XNameAccess > m_xAccess; + bool m_bListening; + +public: + OEnumerationByName(const css::uno::Reference< css::container::XNameAccess >& _rxAccess); + OEnumerationByName(const css::uno::Reference< css::container::XNameAccess >& _rxAccess, + const css::uno::Sequence< OUString >& _aNames ); + virtual ~OEnumerationByName() override; + + virtual sal_Bool SAL_CALL hasMoreElements( ) override; + virtual css::uno::Any SAL_CALL nextElement( ) override; + + virtual void SAL_CALL disposing(const css::lang::EventObject& aEvent) override; + +private: + COMPHELPER_DLLPRIVATE void impl_startDisposeListening(); + COMPHELPER_DLLPRIVATE void impl_stopDisposeListening(); +}; + +/** provides a com.sun.star.container::XEnumeration access based + on an object implementing the com.sun.star.container::XNameAccess interface +*/ +class COMPHELPER_DLLPUBLIC OEnumerationByIndex final : private OEnumerationLock + , public ::cppu::WeakImplHelper< css::container::XEnumeration , + css::lang::XEventListener > +{ + css::uno::Reference< css::container::XIndexAccess > m_xAccess; + sal_Int32 m_nPos; + bool m_bListening; + +public: + OEnumerationByIndex(const css::uno::Reference< css::container::XIndexAccess >& _rxAccess); + virtual ~OEnumerationByIndex() override; + + virtual sal_Bool SAL_CALL hasMoreElements( ) override; + virtual css::uno::Any SAL_CALL nextElement( ) override; + + virtual void SAL_CALL disposing(const css::lang::EventObject& aEvent) override; + +private: + COMPHELPER_DLLPRIVATE void impl_startDisposeListening(); + COMPHELPER_DLLPRIVATE void impl_stopDisposeListening(); +}; + +// this is the way that works for ENABLE_LTO with MSVC 2013 +class SAL_DLLPUBLIC_TEMPLATE OAnyEnumeration_BASE + : public ::cppu::WeakImplHelper<css::container::XEnumeration> {}; + +/** provides a com.sun.star.container::XEnumeration + for an outside set vector of Any's. + +*/ +class COMPHELPER_DLLPUBLIC OAnyEnumeration final : private OEnumerationLock + , public OAnyEnumeration_BASE +{ + sal_Int32 m_nPos; + css::uno::Sequence< css::uno::Any > m_lItems; + +public: + OAnyEnumeration(const css::uno::Sequence< css::uno::Any >& lItems); + virtual ~OAnyEnumeration() override; + + virtual sal_Bool SAL_CALL hasMoreElements( ) override; + virtual css::uno::Any SAL_CALL nextElement( ) override; + +}; + +} + +#endif // INCLUDED_COMPHELPER_ENUMHELPER_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |