LCOV - code coverage report
Current view: top level - slideshow/source/engine/transitions - slidechangebase.hxx (source / functions) Hit Total Coverage
Test: commit c8344322a7af75b84dd3ca8f78b05543a976dfd5 Lines: 0 9 0.0 %
Date: 2015-06-13 12:38:46 Functions: 0 10 0.0 %
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          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             :  * 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_TRANSITIONS_SLIDECHANGEBASE_HXX
      21             : #define INCLUDED_SLIDESHOW_SOURCE_ENGINE_TRANSITIONS_SLIDECHANGEBASE_HXX
      22             : 
      23             : #include <osl/mutex.hxx>
      24             : 
      25             : #include "unoview.hxx"
      26             : #include "vieweventhandler.hxx"
      27             : #include "numberanimation.hxx"
      28             : #include "slide.hxx"
      29             : #include "screenupdater.hxx"
      30             : #include "soundplayer.hxx"
      31             : 
      32             : #include <boost/enable_shared_from_this.hpp>
      33             : #include <boost/noncopyable.hpp>
      34             : #include <boost/optional.hpp>
      35             : 
      36             : namespace cppcanvas
      37             : {
      38             :     class Canvas;
      39             :     class CustomSprite;
      40             : }
      41             : 
      42             : namespace slideshow {
      43             : namespace internal {
      44             : 
      45             : /** Base class for all slide change effects.
      46             : 
      47             :     This class provides the basic sprite and view handling
      48             :     functionality.  Derived classes should normally only need to
      49             :     implement the perform() method.
      50             : */
      51           0 : class SlideChangeBase : public ViewEventHandler,
      52             :                         public NumberAnimation,
      53             :                         public boost::enable_shared_from_this<SlideChangeBase>,
      54             :                         private ::boost::noncopyable
      55             : {
      56             : public:
      57             :     // NumberAnimation
      58             :     virtual bool operator()( double x ) SAL_OVERRIDE;
      59             :     virtual double getUnderlyingValue() const SAL_OVERRIDE;
      60             : 
      61             :     // Animation
      62             :     virtual void prefetch( const AnimatableShapeSharedPtr&,
      63             :                            const ShapeAttributeLayerSharedPtr& ) SAL_OVERRIDE;
      64             :     virtual void start( const AnimatableShapeSharedPtr&,
      65             :                         const ShapeAttributeLayerSharedPtr& ) SAL_OVERRIDE;
      66             :     virtual void end() SAL_OVERRIDE;
      67             : 
      68             :     // ViewEventHandler
      69             :     virtual void viewAdded( const UnoViewSharedPtr& rView ) SAL_OVERRIDE;
      70             :     virtual void viewRemoved( const UnoViewSharedPtr& rView ) SAL_OVERRIDE;
      71             :     virtual void viewChanged( const UnoViewSharedPtr& rView ) SAL_OVERRIDE;
      72             :     virtual void viewsChanged() SAL_OVERRIDE;
      73             : 
      74             : protected:
      75             :     /** Create a new SlideChanger, for the given leaving and
      76             :         entering slides.
      77             :     */
      78             :     SlideChangeBase(
      79             :         ::boost::optional<SlideSharedPtr> const & leavingSlide,
      80             :         const SlideSharedPtr&                     pEnteringSlide,
      81             :         const SoundPlayerSharedPtr&               pSoundPlayer,
      82             :         const UnoViewContainer&                   rViewContainer,
      83             :         ScreenUpdater&                            rScreenUpdater,
      84             :         EventMultiplexer&                         rEventMultiplexer,
      85             :         bool                                      bCreateLeavingSprites = true,
      86             :         bool                                      bCreateEnteringSprites = true );
      87             : 
      88             :     /// Info on a per-view basis
      89           0 :     struct ViewEntry
      90             :     {
      91             :         ViewEntry() {}
      92             : 
      93           0 :         explicit ViewEntry( const UnoViewSharedPtr& rView ) :
      94           0 :             mpView( rView )
      95             :         {
      96           0 :         }
      97             : 
      98             :         /// The view this entry is for
      99             :         UnoViewSharedPtr                              mpView;
     100             :         /// outgoing slide sprite
     101             :         boost::shared_ptr<cppcanvas::CustomSprite>    mpOutSprite;
     102             :         /// incoming slide sprite
     103             :         boost::shared_ptr<cppcanvas::CustomSprite>    mpInSprite;
     104             :         /// outgoing slide bitmap
     105             :         mutable SlideBitmapSharedPtr                  mpLeavingBitmap;
     106             :         /// incoming slide bitmap
     107             :         mutable SlideBitmapSharedPtr                  mpEnteringBitmap;
     108             : 
     109             :         // for algo access
     110           0 :         const UnoViewSharedPtr& getView() const { return mpView; }
     111             :     };
     112             : 
     113             :     typedef ::std::vector<ViewEntry> ViewsVecT;
     114             : 
     115           0 :     ViewsVecT::const_iterator beginViews() { return maViewData.begin(); }
     116           0 :     ViewsVecT::const_iterator endViews() { return maViewData.end(); }
     117             : 
     118             :     SlideBitmapSharedPtr getLeavingBitmap( const ViewEntry& rViewEntry ) const;
     119             :     SlideBitmapSharedPtr getEnteringBitmap( const ViewEntry& rViewEntry ) const;
     120             : 
     121             :     SlideBitmapSharedPtr createBitmap( const UnoViewSharedPtr&                pView,
     122             :                                        const boost::optional<SlideSharedPtr>& rSlide_ ) const;
     123             : 
     124             :     ::basegfx::B2ISize getEnteringSlideSizePixel( const UnoViewSharedPtr& pView ) const;
     125             : 
     126             :     static void renderBitmap( SlideBitmapSharedPtr const&                 pSlideBitmap,
     127             :                        boost::shared_ptr<cppcanvas::Canvas> const& pCanvas );
     128             : 
     129             :     /** Called on derived classes to perform actions before first run.
     130             : 
     131             :         This typically involves rendering of the initial slide content.
     132             : 
     133             :         @param rViewEntry the view entry
     134             : 
     135             :         @param rDestinationCanvas the canvas to render on
     136             :      */
     137             :     virtual void prepareForRun(
     138             :             const ViewEntry& rViewEntry,
     139             :             const cppcanvas::CanvasSharedPtr& rDestinationCanvas );
     140             : 
     141             :     /** Called on derived classes to implement actual slide change.
     142             : 
     143             :         This method is called with the sprite of the slide coming 'in'
     144             : 
     145             :         @param rSprite
     146             :         Current sprite to operate on. This is the sprite of the
     147             :         'entering' slide
     148             : 
     149             :         @param t
     150             :         Current parameter value
     151             :     */
     152             :     virtual void performIn(
     153             :         const boost::shared_ptr<cppcanvas::CustomSprite>&   rSprite,
     154             :         const ViewEntry&                                    rViewEntry,
     155             :         const boost::shared_ptr<cppcanvas::Canvas>&         rDestinationCanvas,
     156             :         double                                              t );
     157             : 
     158             :     /** Called on derived classes to implement actual slide change.
     159             : 
     160             :         This method is called with the sprite of the slide moving 'out'
     161             : 
     162             :         @param rSprite
     163             :         Current sprite to operate on. This is the sprite of the
     164             :         'leaving' slide
     165             : 
     166             :         @param t
     167             :         Current parameter value
     168             :     */
     169             :     virtual void performOut(
     170             :         const boost::shared_ptr<cppcanvas::CustomSprite>& rSprite,
     171             :         const ViewEntry&                                  rViewEntry,
     172             :         const boost::shared_ptr<cppcanvas::Canvas>&       rDestinationCanvas,
     173             :         double                                            t );
     174             : 
     175           0 :     ScreenUpdater& getScreenUpdater() const { return mrScreenUpdater; }
     176             : 
     177             : private:
     178             : 
     179             :     boost::shared_ptr<cppcanvas::CustomSprite> createSprite(
     180             :         UnoViewSharedPtr const &   pView,
     181             :         ::basegfx::B2DSize const & rSpriteSize,
     182             :         double                     nPrio ) const;
     183             : 
     184             :     void addSprites( ViewEntry& rEntry );
     185             :     static void clearViewEntry( ViewEntry& rEntry );
     186             : 
     187             :     ViewsVecT::iterator lookupView( UnoViewSharedPtr const & pView );
     188             :     ViewsVecT::const_iterator lookupView( UnoViewSharedPtr const & pView ) const;
     189             : 
     190             :     SoundPlayerSharedPtr                mpSoundPlayer;
     191             : 
     192             :     EventMultiplexer&                   mrEventMultiplexer;
     193             :     ScreenUpdater&                      mrScreenUpdater;
     194             : 
     195             :     ::boost::optional<SlideSharedPtr>   maLeavingSlide;
     196             :     SlideSharedPtr                      mpEnteringSlide;
     197             : 
     198             :     ViewsVecT                           maViewData;
     199             :     const UnoViewContainer&             mrViewContainer;
     200             : 
     201             :     const bool                          mbCreateLeavingSprites;
     202             :     const bool                          mbCreateEnteringSprites;
     203             :     bool                                mbSpritesVisible;
     204             :     bool                                mbFinished;
     205             :     bool                                mbPrefetched;
     206             : };
     207             : 
     208             : } // namespace internal
     209             : } // namespace presentation
     210             : 
     211             : #endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_TRANSITIONS_SLIDECHANGEBASE_HXX
     212             : 
     213             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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