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 <vector>
  25
  26 using namespace com::sun::star;
  27
  28 namespace slideshow {
  29 namespace internal {
  30
  31 class EventMultiplexer;
  32 typedef std::shared_ptr<class PointerSymbol> PointerSymbolSharedPtr;
  33
  34 /// On-screen 'laser pointer' from the Impress remote control
  35 class PointerSymbol : public ViewEventHandler
  36 {
  37 public:
  38     static PointerSymbolSharedPtr create( const css::uno::Reference<css::rendering::XBitmap>& xBitmap,
  39                                           ScreenUpdater&                               rScreenUpdater,
  40                                           EventMultiplexer&                            rEventMultiplexer,
  41                                           const UnoViewContainer&                      rViewContainer );
  42
  43     /** Use this method to update the pointer's position
  44     */
  45     void setVisible( const bool bVisible );
  46     void viewsChanged(const css::geometry::RealPoint2D pos);
  47
  48 private:
  49     PointerSymbol( const css::uno::Reference<css::rendering::XBitmap>& xBitmap,
  50                    ScreenUpdater&                               rScreenUpdater,
  51                    const UnoViewContainer&                      rViewContainer );
  52
  53     // ViewEventHandler
  54     virtual void viewAdded( const UnoViewSharedPtr& rView ) override;
  55     virtual void viewRemoved( const UnoViewSharedPtr& rView ) override;
  56     virtual void viewChanged( const UnoViewSharedPtr& rView ) override;
  57     virtual void viewsChanged() override;
  58
  59     ::basegfx::B2DPoint calcSpritePos( UnoViewSharedPtr const & rView ) const;
  60
  61     typedef ::std::vector<
  62         ::std::pair<UnoViewSharedPtr,
  63                     cppcanvas::CustomSpriteSharedPtr> > ViewsVecT;
  64
  65     css::uno::Reference<css::rendering::XBitmap>  mxBitmap;
  66
  67     ViewsVecT                                     maViews;
  68     ScreenUpdater&                                mrScreenUpdater;
  69     css::geometry::RealPoint2D                    maPos;
  70     bool                                          mbVisible;
  71 };
  72
  73 } // namespace internal
  74 } // namespace presentation
  75
  76 #endif
  77
  78 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */