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Diffstat (limited to 'slideshow/source/engine/transitions/slidechangebase.hxx')
| -rw-r--r-- | slideshow/source/engine/transitions/slidechangebase.hxx | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/slideshow/source/engine/transitions/slidechangebase.hxx b/slideshow/source/engine/transitions/slidechangebase.hxx new file mode 100644 index 000000000000..e0b9c4635996 --- /dev/null +++ b/slideshow/source/engine/transitions/slidechangebase.hxx @@ -0,0 +1,208 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +#ifndef INCLUDED_SLIDESHOW_TRANSITIONS_SLIDECHANGEBASE_HXX +#define INCLUDED_SLIDESHOW_TRANSITIONS_SLIDECHANGEBASE_HXX + +#include <osl/mutex.hxx> + +#include "unoview.hxx" +#include "vieweventhandler.hxx" +#include "numberanimation.hxx" +#include "slide.hxx" +#include "screenupdater.hxx" +#include "soundplayer.hxx" + +#include <boost/enable_shared_from_this.hpp> +#include <boost/noncopyable.hpp> +#include <boost/optional.hpp> + +namespace cppcanvas +{ + class Canvas; + class CustomSprite; +} + +namespace slideshow { +namespace internal { + +/** Base class for all slide change effects. + + This class provides the basic sprite and view handling + functionality. Derived classes should normally only need to + implement the perform() method. +*/ +class SlideChangeBase : public ViewEventHandler, + public NumberAnimation, + public boost::enable_shared_from_this<SlideChangeBase>, + private ::boost::noncopyable +{ +public: + // NumberAnimation + virtual bool operator()( double x ); + virtual double getUnderlyingValue() const; + + // Animation + virtual void prefetch( const AnimatableShapeSharedPtr&, + const ShapeAttributeLayerSharedPtr& ); + virtual void start( const AnimatableShapeSharedPtr&, + const ShapeAttributeLayerSharedPtr& ); + virtual void end(); + + // ViewEventHandler + virtual void viewAdded( const UnoViewSharedPtr& rView ); + virtual void viewRemoved( const UnoViewSharedPtr& rView ); + virtual void viewChanged( const UnoViewSharedPtr& rView ); + virtual void viewsChanged(); + +protected: + /** Create a new SlideChanger, for the given leaving and + entering slides. + */ + SlideChangeBase( + ::boost::optional<SlideSharedPtr> const & leavingSlide, + const SlideSharedPtr& pEnteringSlide, + const SoundPlayerSharedPtr& pSoundPlayer, + const UnoViewContainer& rViewContainer, + ScreenUpdater& rScreenUpdater, + EventMultiplexer& rEventMultiplexer, + bool bCreateLeavingSprites = true, + bool bCreateEnteringSprites = true ); + + /// Info on a per-view basis + struct ViewEntry + { + ViewEntry() {} + + explicit ViewEntry( const UnoViewSharedPtr& rView ) : + mpView( rView ) + { + } + + /// The view this entry is for + UnoViewSharedPtr mpView; + /// outgoing slide sprite + boost::shared_ptr<cppcanvas::CustomSprite> mpOutSprite; + /// incoming slide sprite + boost::shared_ptr<cppcanvas::CustomSprite> mpInSprite; + /// outgoing slide bitmap + mutable SlideBitmapSharedPtr mpLeavingBitmap; + /// incoming slide bitmap + mutable SlideBitmapSharedPtr mpEnteringBitmap; + + // for algo access + const UnoViewSharedPtr& getView() const { return mpView; } + }; + + typedef ::std::vector<ViewEntry> ViewsVecT; + + ViewsVecT::const_iterator beginViews() { return maViewData.begin(); } + ViewsVecT::const_iterator endViews() { return maViewData.end(); } + + SlideBitmapSharedPtr getLeavingBitmap( const ViewEntry& rViewEntry ) const; + SlideBitmapSharedPtr getEnteringBitmap( const ViewEntry& rViewEntry ) const; + + SlideBitmapSharedPtr createBitmap( const UnoViewSharedPtr& pView, + const boost::optional<SlideSharedPtr>& rSlide_ ) const; + + ::basegfx::B2ISize getEnteringSlideSizePixel( const UnoViewSharedPtr& pView ) const; + ::basegfx::B2ISize getLeavingSlideSizePixel( const UnoViewSharedPtr& pView ) const; + + void renderBitmap( SlideBitmapSharedPtr const& pSlideBitmap, + boost::shared_ptr<cppcanvas::Canvas> const& pCanvas ); + + /** Called on derived classes to implement actual slide change. + + This method is called with the sprite of the slide coming 'in' + + @param rSprite + Current sprite to operate on. This is the sprite of the + 'entering' slide + + @param t + Current parameter value + */ + virtual void performIn( + const boost::shared_ptr<cppcanvas::CustomSprite>& rSprite, + const ViewEntry& rViewEntry, + const boost::shared_ptr<cppcanvas::Canvas>& rDestinationCanvas, + double t ); + + /** Called on derived classes to implement actual slide change. + + This method is called with the sprite of the slide moving 'out' + + @param rSprite + Current sprite to operate on. This is the sprite of the + 'leaving' slide + + @param t + Current parameter value + */ + virtual void performOut( + const boost::shared_ptr<cppcanvas::CustomSprite>& rSprite, + const ViewEntry& rViewEntry, + const boost::shared_ptr<cppcanvas::Canvas>& rDestinationCanvas, + double t ); + + ScreenUpdater& getScreenUpdater() const { return mrScreenUpdater; } + +private: + + boost::shared_ptr<cppcanvas::CustomSprite> createSprite( + UnoViewSharedPtr const & pView, + ::basegfx::B2DSize const & rSpriteSize, + double nPrio ) const; + + void addSprites( ViewEntry& rEntry ); + void clearViewEntry( ViewEntry& rEntry ); + + ViewsVecT::iterator lookupView( UnoViewSharedPtr const & pView ); + ViewsVecT::const_iterator lookupView( UnoViewSharedPtr const & pView ) const; + + SoundPlayerSharedPtr mpSoundPlayer; + + EventMultiplexer& mrEventMultiplexer; + ScreenUpdater& mrScreenUpdater; + + ::boost::optional<SlideSharedPtr> maLeavingSlide; + SlideSharedPtr mpEnteringSlide; + + ViewsVecT maViewData; + const UnoViewContainer& mrViewContainer; + + const bool mbCreateLeavingSprites; + const bool mbCreateEnteringSprites; + bool mbSpritesVisible; + bool mbFinished; + bool mbPrefetched; +}; + +} // namespace internal +} // namespace presentation + +#endif /* INCLUDED_SLIDESHOW_TRANSITIONS_SLIDECHANGEBASE_HXX */ |