Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  */
      10             : 
      11             : #ifndef INCLUDED_SLIDESHOW_SOURCE_ENGINE_POINTERSYMBOL_HXX
      12             : #define INCLUDED_SLIDESHOW_SOURCE_ENGINE_POINTERSYMBOL_HXX
      13             : 
      14             : #include <com/sun/star/rendering/XBitmap.hpp>
      15             : #include <cppcanvas/customsprite.hxx>
      16             : 
      17             : #include "com/sun/star/uno/Reference.hxx"
      18             : 
      19             : #include "vieweventhandler.hxx"
      20             : #include "screenupdater.hxx"
      21             : #include "eventmultiplexer.hxx"
      22             : #include "unoview.hxx"
      23             : 
      24             : #include <boost/shared_ptr.hpp>
      25             : #include <boost/bind.hpp>
      26             : #include <boost/utility.hpp>
      27             : #include <vector>
      28             : 
      29             : using namespace com::sun::star;
      30             : 
      31             : namespace slideshow {
      32             : namespace internal {
      33             : 
      34             : class EventMultiplexer;
      35             : typedef boost::shared_ptr<class PointerSymbol> PointerSymbolSharedPtr;
      36             : 
      37             : /// On-screen 'laser pointer' from the Impress remote control
      38           0 : class PointerSymbol : public ViewEventHandler,
      39             :                       private ::boost::noncopyable
      40             : {
      41             : public:
      42             :     static PointerSymbolSharedPtr create( const ::com::sun::star::uno::Reference<
      43             :                                                 ::com::sun::star::rendering::XBitmap>& xBitmap,
      44             :                                           ScreenUpdater&                               rScreenUpdater,
      45             :                                           EventMultiplexer&                            rEventMultiplexer,
      46             :                                           const UnoViewContainer&                      rViewContainer );
      47             : 
      48             :     /** Shows the pointer symbol.
      49             :      */
      50             :     void show() { setVisible(true); }
      51             : 
      52             :     /** Hides the pointer symbol.
      53             :      */
      54             :     void hide() { setVisible(false); }
      55             :     /** Use this method to update the pointer's position
      56             :     */
      57             :     void setVisible( const bool bVisible );
      58             :     virtual void viewsChanged(const ::com::sun::star::geometry::RealPoint2D pos);
      59             : 
      60             : private:
      61             :     PointerSymbol( const ::com::sun::star::uno::Reference<
      62             :                          ::com::sun::star::rendering::XBitmap>& xBitmap,
      63             :                    ScreenUpdater&                               rScreenUpdater,
      64             :                    const UnoViewContainer&                      rViewContainer );
      65             : 
      66             :     // ViewEventHandler
      67             :     virtual void viewAdded( const UnoViewSharedPtr& rView ) SAL_OVERRIDE;
      68             :     virtual void viewRemoved( const UnoViewSharedPtr& rView ) SAL_OVERRIDE;
      69             :     virtual void viewChanged( const UnoViewSharedPtr& rView ) SAL_OVERRIDE;
      70             :     virtual void viewsChanged() SAL_OVERRIDE;
      71             : 
      72             :     ::basegfx::B2DPoint calcSpritePos( UnoViewSharedPtr const & rView ) const;
      73             : 
      74             :     template <typename func_type>
      75             :     void for_each_sprite( func_type const & func ) const
      76             :     {
      77             :         ViewsVecT::const_iterator iPos( maViews.begin() );
      78             :         const ViewsVecT::const_iterator iEnd( maViews.end() );
      79             :         for ( ; iPos != iEnd; ++iPos )
      80             :             if( iPos->second )
      81             :                 func( iPos->second );
      82             :     }
      83             : 
      84             :     typedef ::std::vector<
      85             :         ::std::pair<UnoViewSharedPtr,
      86             :                     cppcanvas::CustomSpriteSharedPtr> > ViewsVecT;
      87             : 
      88             :     ::com::sun::star::uno::Reference<
      89             :         ::com::sun::star::rendering::XBitmap>  mxBitmap;
      90             : 
      91             :     ViewsVecT                                  maViews;
      92             :     ScreenUpdater&                             mrScreenUpdater;
      93             :     ::com::sun::star::geometry::RealPoint2D    maPos;
      94             :     bool                                       mbVisible;
      95             : };
      96             : 
      97             : } // namespace internal
      98             : } // namespace presentation
      99             : 
     100             : #endif
     101             : 
     102             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */