b9372f0e90
Change-Id: I81e6af1ee869caa3b40d2d00604e8e22517d92d7 Reviewed-on: https://gerrit.libreoffice.org/23808 Tested-by: Jenkins <ci@libreoffice.org> Reviewed-by: Noel Grandin <noelgrandin@gmail.com>
104 lines
3.8 KiB
C++
104 lines
3.8 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_COMPHELPER_SELECTIONMULTIPLEX_HXX
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#define INCLUDED_COMPHELPER_SELECTIONMULTIPLEX_HXX
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#include <com/sun/star/view/XSelectionChangeListener.hpp>
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#include <com/sun/star/view/XSelectionSupplier.hpp>
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#include <cppuhelper/implbase.hxx>
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#include <comphelper/comphelperdllapi.h>
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//= selection helper classes
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namespace comphelper
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{
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class OSelectionChangeMultiplexer;
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//= OSelectionChangeListener
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/// simple listener adapter for selections
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class COMPHELPER_DLLPUBLIC OSelectionChangeListener
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{
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friend class OSelectionChangeMultiplexer;
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OSelectionChangeMultiplexer* m_pAdapter;
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::osl::Mutex& m_rMutex;
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public:
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OSelectionChangeListener(::osl::Mutex& _rMutex)
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: m_pAdapter(nullptr), m_rMutex(_rMutex) { }
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virtual ~OSelectionChangeListener();
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virtual void _selectionChanged( const css::lang::EventObject& aEvent ) throw (css::uno::RuntimeException) = 0;
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virtual void _disposing(const css::lang::EventObject& _rSource)
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throw (css::uno::RuntimeException, std::exception);
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protected:
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// pseudo-private. Making it private now could break compatibility
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void setAdapter( OSelectionChangeMultiplexer* _pAdapter );
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};
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//= OSelectionChangeMultiplexer
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/// multiplexer for selection changes
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class COMPHELPER_DLLPUBLIC OSelectionChangeMultiplexer :public cppu::WeakImplHelper< css::view::XSelectionChangeListener>
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{
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friend class OSelectionChangeListener;
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css::uno::Reference< css::view::XSelectionSupplier> m_xSet;
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OSelectionChangeListener* m_pListener;
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sal_Int32 m_nLockCount;
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bool m_bListening : 1;
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OSelectionChangeMultiplexer(const OSelectionChangeMultiplexer&) = delete;
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OSelectionChangeMultiplexer& operator=(const OSelectionChangeMultiplexer&) = delete;
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protected:
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virtual ~OSelectionChangeMultiplexer();
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public:
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OSelectionChangeMultiplexer(OSelectionChangeListener* _pListener, const css::uno::Reference< css::view::XSelectionSupplier>& _rxSet);
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// XEventListener
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virtual void SAL_CALL disposing( const css::lang::EventObject& Source ) throw( css::uno::RuntimeException, std::exception) override;
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// XSelectionChangeListener
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virtual void SAL_CALL selectionChanged( const css::lang::EventObject& aEvent ) throw (css::uno::RuntimeException, std::exception) override;
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/// incremental lock
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void lock();
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/// incremental unlock
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void unlock();
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/// get the lock count
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sal_Int32 locked() const { return m_nLockCount; }
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void dispose();
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};
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} // namespace comphelper
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#endif // INCLUDED_COMPHELPER_SELECTIONMULTIPLEX_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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