slideshow/source/engine/rehearsetimingsactivity.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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   9  * This file incorporates work covered by the following license notice:
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  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_SLIDESHOW_SOURCE_ENGINE_REHEARSETIMINGSACTIVITY_HXX
  21 #define INCLUDED_SLIDESHOW_SOURCE_ENGINE_REHEARSETIMINGSACTIVITY_HXX
  22
  23 #include <activity.hxx>
  24
  25 #include <basegfx/range/b2drange.hxx>
  26
  27 #include <vector>
  28 #include <utility>
  29 #include <memory>
  30
  31 namespace vcl { class Font; }
  32 namespace canvas{ namespace tools{ class ElapsedTime; }}
  33 namespace cppcanvas{ class CustomSprite; }
  34 namespace basegfx
  35 {
  36     class B2IVector;
  37     class B2DRange;
  38 }
  39
  40 namespace slideshow {
  41 namespace internal {
  42
  43 struct SlideShowContext;
  44 class EventMultiplexer;
  45 class ScreenUpdater;
  46 class RehearseTimingsActivity : public Activity,
  47                                 public ViewEventHandler
  48 {
  49 public:
  50     /** Creates the activity.
  51      */
  52     static std::shared_ptr<RehearseTimingsActivity> create(
  53         const SlideShowContext& rContext );
  54
  55     virtual ~RehearseTimingsActivity() override;
  56     RehearseTimingsActivity(const RehearseTimingsActivity&) = delete;
  57     RehearseTimingsActivity& operator=(const RehearseTimingsActivity&) = delete;
  58
  59     /** Starts and shows the timer; adds to activity queue.
  60      */
  61     void start();
  62
  63     /** Stops and hides the timer.
  64         @return elapsed time
  65      */
  66     double stop();
  67
  68     /** Determines whether the timer button has been clicked.
  69      */
  70     bool hasBeenClicked() const;
  71
  72     // ViewEventHandler interface
  73     virtual void viewAdded( const UnoViewSharedPtr& rView ) override;
  74     virtual void viewRemoved( const UnoViewSharedPtr& rView ) override;
  75     virtual void viewChanged( const UnoViewSharedPtr& rView ) override;
  76     virtual void viewsChanged() override;
  77
  78     // Disposable:
  79     virtual void dispose() override;
  80     // Activity:
  81     virtual double calcTimeLag() const override;
  82     virtual bool perform() override;
  83     virtual bool isActive() const override;
  84     virtual void dequeued() override;
  85     virtual void end() override;
  86
  87 private:
  88     class WakeupEvent;
  89
  90     explicit RehearseTimingsActivity( const SlideShowContext& rContext );
  91
  92     void paint( ::cppcanvas::CanvasSharedPtr const & canvas ) const;
  93     void paintAllSprites() const;
  94
  95     class MouseHandler;
  96     friend class MouseHandler;
  97
  98     typedef std::vector<
  99         std::pair<UnoViewSharedPtr,
 100                     std::shared_ptr<cppcanvas::CustomSprite> > > ViewsVecT;
 101
 102     template <typename func_type>
 103     void for_each_sprite( func_type const & func ) const
 104     {
 105         ViewsVecT::const_iterator iPos( maViews.begin() );
 106         const ViewsVecT::const_iterator iEnd( maViews.end() );
 107         for ( ; iPos != iEnd; ++iPos )
 108             func( iPos->second );
 109     }
 110
 111     ::basegfx::B2DRange calcSpriteRectangle(
 112         UnoViewSharedPtr const & rView ) const;
 113
 114     EventQueue&                     mrEventQueue;
 115     ScreenUpdater&                  mrScreenUpdater;
 116     EventMultiplexer&               mrEventMultiplexer;
 117     ActivitiesQueue&                mrActivitiesQueue;
 118     canvas::tools::ElapsedTime      maElapsedTime;
 119
 120     ViewsVecT                       maViews;
 121
 122     /// screen rect of sprite (in view coordinates!)
 123     ::basegfx::B2DRange             maSpriteRectangle;
 124
 125     vcl::Font                       maFont;
 126     std::shared_ptr<WakeupEvent>  mpWakeUpEvent;
 127     std::shared_ptr<MouseHandler> mpMouseHandler;
 128     ::basegfx::B2IVector            maSpriteSizePixel;
 129     sal_Int32                       mnYOffset;
 130     bool                            mbActive;
 131     bool                            mbDrawPressed;
 132 };
 133
 134 } // namespace internal
 135 } // namespace presentation
 136
 137 #endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_REHEARSETIMINGSACTIVITY_HXX
 138
 139 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */