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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: AccessibleTextEventQueue.hxx,v $
*
* $Revision: 1.5 $
*
* last change: $Author: rt $ $Date: 2005-09-08 20:19:34 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
#ifndef _SVX_TEXT_CHANGED_QUEUE_HXX
#define _SVX_TEXT_CHANGED_QUEUE_HXX
#include <memory>
#include <list>
#include <algorithm>
#ifndef _SOLAR_H
#include <tools/solar.h>
#endif
#ifndef _RTTI_HXX
#include <tools/rtti.hxx>
#endif
class SfxHint;
class SdrHint;
class SfxSimpleHint;
class TextHint;
class SvxViewHint;
class SvxEditSourceHint;
namespace accessibility
{
/** This class handles the notification events for the
AccessibleTextHelper class.
For various reasons, we cannot process EditEngine events as
they arrive, but have to queue and handle them in a batch.
*/
class AccessibleTextEventQueue
{
public:
typedef ::std::list< SfxHint* > EventQueue;
AccessibleTextEventQueue();
~AccessibleTextEventQueue();
/// Append event to end of queue
void Append( const SfxHint& rHint );
/// Append event to end of queue
void Append( const SdrHint& rHint );
/// Append event to end of queue
void Append( const SfxSimpleHint& rHint );
/// Append event to end of queue
void Append( const TextHint& rHint );
/// Append event to end of queue
void Append( const SvxViewHint& rHint );
/// Append event to end of queue
void Append( const SvxEditSourceHint& rHint );
/** Pop first queue element
return first queue element, ownership transfers to caller
*/
::std::auto_ptr< SfxHint > PopFront();
/** Apply functor to every queue member
@param rFunctor
Functor to apply. Functor receives queue element as
parameter: void func( const SfxHint* );
*/
template < typename Functor > void ForEach( Functor& rFunctor ) const
{
// #109864# Make sure results are put back into rFunctor
rFunctor = ::std::for_each( maEventQueue.begin(), maEventQueue.end(), rFunctor );
}
/// Query whether queue is empty
bool IsEmpty() const;
/// Clear event queue
void Clear();
private:
EventQueue maEventQueue;
};
} // end of namespace accessibility
#endif /* _SVX_TEXT_CHANGED_QUEUE_HXX */
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