slideshow/source/engine/rehearsetimingsactivity.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  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  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 #include <activitiesqueue.hxx>
  25 #include <eventqueue.hxx>
  26 #include <vieweventhandler.hxx>
  27
  28 #include <basegfx/range/b2drange.hxx>
  29 #include <vcl/font.hxx>
  30
  31 #include <vector>
  32 #include <utility>
  33 #include <memory>
  34
  35 namespace vcl { class Font; }
  36 namespace canvas::tools{ class ElapsedTime; }
  37 namespace cppcanvas{ class CustomSprite; }
  38 namespace basegfx
  39 {
  40     class B2IVector;
  41     class B2DRange;
  42 }
  43
  44 namespace slideshow::internal {
  45
  46 struct SlideShowContext;
  47 class EventMultiplexer;
  48 class ScreenUpdater;
  49 class RehearseTimingsActivity : public Activity,
  50                                 public ViewEventHandler
  51 {
  52 public:
  53     /** Creates the activity.
  54      */
  55     static std::shared_ptr<RehearseTimingsActivity> create(
  56         const SlideShowContext& rContext );
  57
  58     virtual ~RehearseTimingsActivity() override;
  59     RehearseTimingsActivity(const RehearseTimingsActivity&) = delete;
  60     RehearseTimingsActivity& operator=(const RehearseTimingsActivity&) = delete;
  61
  62     /** Starts and shows the timer; adds to activity queue.
  63      */
  64     void start();
  65
  66     /** Stops and hides the timer.
  67         @return elapsed time
  68      */
  69     double stop();
  70
  71     /** Determines whether the timer button has been clicked.
  72      */
  73     bool hasBeenClicked() const;
  74
  75     // ViewEventHandler interface
  76     virtual void viewAdded( const UnoViewSharedPtr& rView ) override;
  77     virtual void viewRemoved( const UnoViewSharedPtr& rView ) override;
  78     virtual void viewChanged( const UnoViewSharedPtr& rView ) override;
  79     virtual void viewsChanged() override;
  80
  81     // Disposable:
  82     virtual void dispose() override;
  83     // Activity:
  84     virtual double calcTimeLag() const override;
  85     virtual bool perform() override;
  86     virtual bool isActive() const override;
  87     virtual void dequeued() override;
  88     virtual void end() override;
  89
  90 private:
  91     class WakeupEvent;
  92
  93     explicit RehearseTimingsActivity( const SlideShowContext& rContext );
  94
  95     void paint( ::cppcanvas::CanvasSharedPtr const & canvas ) const;
  96     void paintAllSprites() const;
  97
  98     class MouseHandler;
  99     friend class MouseHandler;
 100
 101     typedef std::vector<
 102         std::pair<UnoViewSharedPtr,
 103                     std::shared_ptr<cppcanvas::CustomSprite> > > ViewsVecT;
 104
 105     template <typename func_type>
 106     void for_each_sprite( func_type const & func ) const
 107     {
 108         ViewsVecT::const_iterator iPos( maViews.begin() );
 109         const ViewsVecT::const_iterator iEnd( maViews.end() );
 110         for ( ; iPos != iEnd; ++iPos )
 111             func( iPos->second );
 112     }
 113
 114     ::basegfx::B2DRange calcSpriteRectangle(
 115         UnoViewSharedPtr const & rView ) const;
 116
 117     EventQueue&                     mrEventQueue;
 118     ScreenUpdater&                  mrScreenUpdater;
 119     EventMultiplexer&               mrEventMultiplexer;
 120     ActivitiesQueue&                mrActivitiesQueue;
 121     canvas::tools::ElapsedTime      maElapsedTime;
 122
 123     ViewsVecT                       maViews;
 124
 125     /// screen rect of sprite (in view coordinates!)
 126     ::basegfx::B2DRange             maSpriteRectangle;
 127
 128     vcl::Font                       maFont;
 129     std::shared_ptr<WakeupEvent>  mpWakeUpEvent;
 130     std::shared_ptr<MouseHandler> mpMouseHandler;
 131     ::basegfx::B2IVector            maSpriteSizePixel;
 132     sal_Int32                       mnYOffset;
 133     bool                            mbActive;
 134     bool                            mbDrawPressed;
 135 };
 136
 137 } // namespace presentation::internal
 138
 139 #endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_REHEARSETIMINGSACTIVITY_HXX
 140
 141 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */