office-gobmx/include/comphelper/SelectionMultiplex.hxx
Noel Grandin b9372f0e90 loplugin:constantparam in comphelper
Change-Id: I81e6af1ee869caa3b40d2d00604e8e22517d92d7
Reviewed-on: https://gerrit.libreoffice.org/23808
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noelgrandin@gmail.com>
2016-04-05 06:26:22 +00:00

104 lines
3.8 KiB
C++

/* -*- 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_SELECTIONMULTIPLEX_HXX
#define INCLUDED_COMPHELPER_SELECTIONMULTIPLEX_HXX
#include <com/sun/star/view/XSelectionChangeListener.hpp>
#include <com/sun/star/view/XSelectionSupplier.hpp>
#include <cppuhelper/implbase.hxx>
#include <comphelper/comphelperdllapi.h>
//= selection helper classes
namespace comphelper
{
class OSelectionChangeMultiplexer;
//= OSelectionChangeListener
/// simple listener adapter for selections
class COMPHELPER_DLLPUBLIC OSelectionChangeListener
{
friend class OSelectionChangeMultiplexer;
OSelectionChangeMultiplexer* m_pAdapter;
::osl::Mutex& m_rMutex;
public:
OSelectionChangeListener(::osl::Mutex& _rMutex)
: m_pAdapter(nullptr), m_rMutex(_rMutex) { }
virtual ~OSelectionChangeListener();
virtual void _selectionChanged( const css::lang::EventObject& aEvent ) throw (css::uno::RuntimeException) = 0;
virtual void _disposing(const css::lang::EventObject& _rSource)
throw (css::uno::RuntimeException, std::exception);
protected:
// pseudo-private. Making it private now could break compatibility
void setAdapter( OSelectionChangeMultiplexer* _pAdapter );
};
//= OSelectionChangeMultiplexer
/// multiplexer for selection changes
class COMPHELPER_DLLPUBLIC OSelectionChangeMultiplexer :public cppu::WeakImplHelper< css::view::XSelectionChangeListener>
{
friend class OSelectionChangeListener;
css::uno::Reference< css::view::XSelectionSupplier> m_xSet;
OSelectionChangeListener* m_pListener;
sal_Int32 m_nLockCount;
bool m_bListening : 1;
OSelectionChangeMultiplexer(const OSelectionChangeMultiplexer&) = delete;
OSelectionChangeMultiplexer& operator=(const OSelectionChangeMultiplexer&) = delete;
protected:
virtual ~OSelectionChangeMultiplexer();
public:
OSelectionChangeMultiplexer(OSelectionChangeListener* _pListener, const css::uno::Reference< css::view::XSelectionSupplier>& _rxSet);
// XEventListener
virtual void SAL_CALL disposing( const css::lang::EventObject& Source ) throw( css::uno::RuntimeException, std::exception) override;
// XSelectionChangeListener
virtual void SAL_CALL selectionChanged( const css::lang::EventObject& aEvent ) throw (css::uno::RuntimeException, std::exception) override;
/// incremental lock
void lock();
/// incremental unlock
void unlock();
/// get the lock count
sal_Int32 locked() const { return m_nLockCount; }
void dispose();
};
} // namespace comphelper
#endif // INCLUDED_COMPHELPER_SELECTIONMULTIPLEX_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */