slideshow/source/engine/pointersymbol.hxx

   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 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     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: */