/*************************************************************************
 *
 *  OpenOffice.org - a multi-platform office productivity suite
 *
 *  $RCSfile: waitsymbol.hxx,v $
 *
 *  $Revision: 1.7 $
 *
 *  last change: $Author: obo $ $Date: 2005-10-11 08:38:20 $
 *
 *  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
 *
 ************************************************************************/

#if ! defined(WAITSYMBOL_HXX_INCLUDED)
#define WAITSYMBOL_HXX_INCLUDED

#include <com/sun/star/rendering/XBitmap.hpp>

#include "cppcanvas/customsprite.hxx"
#include "disposable.hxx"
#include "eventmultiplexer.hxx"
#include "unoview.hxx"
#include "boost/shared_ptr.hpp"
#include "boost/bind.hpp"
#include "boost/utility.hpp" // for noncopyable
#include <vector>

namespace presentation {
namespace internal {

class WaitSymbol : public Disposable, private ::boost::noncopyable
{
public:
    WaitSymbol( const ::com::sun::star::uno::Reference<
                ::com::sun::star::rendering::XBitmap>& xBitmap,
                EventMultiplexer&                      rEventMultiplexer );

    /** Shows the wait symbol.
     */
    void show() { setVisible(true); }

    /** Hides the wait symbol.
     */
    void hide() { setVisible(false); }

    /** Adds a view for display.
     */
    void addView( UnoViewSharedPtr const & rView );

    void removeView( UnoViewSharedPtr const & rView );

    void notifyViewChange();

    // Disposable:
    virtual void dispose();

private:
    ::com::sun::star::uno::Reference<
        ::com::sun::star::rendering::XBitmap> m_xBitmap;

    ::basegfx::B2DPoint calcSpritePos( UnoViewSharedPtr const & rView ) const;

    typedef ::std::vector<
        ::std::pair<UnoViewSharedPtr,
                    cppcanvas::CustomSpriteSharedPtr> > ViewsVecT;
    ViewsVecT m_views;

    EventMultiplexer& mrEventMultiplexer;

    template <typename func_type>
    void for_each_sprite( func_type const & func ) const
    {
        ViewsVecT::const_iterator iPos( m_views.begin() );
        const ViewsVecT::const_iterator iEnd( m_views.end() );
        for ( ; iPos != iEnd; ++iPos )
            func( iPos->second );
    }

    bool m_bVisible;
    void setVisible( const bool bVisible );
};

} // namespace internal
} // namespace presentation

#endif