layermanager.hxx

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#ifndef INCLUDED_SLIDESHOW_SOURCE_ENGINE_SLIDE_LAYERMANAGER_HXX
#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_SLIDE_LAYERMANAGER_HXX
 
#include <unoviewcontainer.hxx>
#include <attributableshape.hxx>
#include "layer.hxx"
#include <tools.hxx>
 
#include <memory>
#include <map>
#include <unordered_map>
#include <vector>
 
namespace basegfx {
    class B2DRange;
}
 
namespace slideshow::internal
    {
        typedef std::unordered_map<
              css::uno::Reference< css::drawing::XShape >,
              ShapeSharedPtr,
              hash< css::uno::Reference< css::drawing::XShape > >
            > XShapeToShapeMap;
 
        /* Definition of Layermanager class */
 
        class LayerManager
        {
        public:
            LayerManager( const UnoViewContainer&    rViews,
                          bool                       bDisableAnimationZOrder );
 
            LayerManager(const LayerManager&) = delete;
 
            LayerManager& operator=(const LayerManager&) = delete;
 
            void activate();
 
            void deactivate();
 
            // From ViewEventHandler, forwarded by SlideImpl
            void viewAdded( const UnoViewSharedPtr& rView );
            void viewRemoved( const UnoViewSharedPtr& rView );
            void viewChanged( const UnoViewSharedPtr& rView );
            void viewsChanged();
 
            void addShape( const ShapeSharedPtr& rShape );
 
            bool removeShape( const ShapeSharedPtr& rShape );
 
            ShapeSharedPtr lookupShape( const css::uno::Reference< css::drawing::XShape >& xShape ) const;
 
            AttributableShapeSharedPtr getSubsetShape( const AttributableShapeSharedPtr&    rOrigShape,
                                                       const DocTreeNode&                   rTreeNode );
 
            const XShapeToShapeMap& getXShapeToShapeMap() const;
 
            void revokeSubset( const AttributableShapeSharedPtr& rOrigShape,
                               const AttributableShapeSharedPtr& rSubsetShape );
 
            void enterAnimationMode( const AnimatableShapeSharedPtr& rShape );
 
            void leaveAnimationMode( const AnimatableShapeSharedPtr& rShape );
 
            void notifyShapeUpdate( const ShapeSharedPtr& rShape);
 
            bool isUpdatePending() const;
 
            bool update();
 
            bool renderTo( const ::cppcanvas::CanvasSharedPtr& rTargetCanvas ) const;
 
        private:
 
            class ShapeComparator
            {
            public:
                bool operator() (const ShapeSharedPtr& rpS1, const ShapeSharedPtr& rpS2 ) const
                {
                    return Shape::lessThanShape::compare(rpS1.get(), rpS2.get());
                }
            };
        private:
            typedef ::std::map< ShapeSharedPtr, LayerWeakPtr, ShapeComparator > LayerShapeMap;
 
 
            void addUpdateArea( ShapeSharedPtr const& rShape );
 
            LayerSharedPtr createForegroundLayer() const;
 
            void           commitLayerChanges( std::size_t                    nCurrLayerIndex,
                                               LayerShapeMap::const_iterator  aFirstLayerShape,
                                               const LayerShapeMap::const_iterator& aEndLayerShapes );
 
            void          putShape2BackgroundLayer( LayerShapeMap::value_type& rShapeEntry );
 
            void          updateShapeLayers( bool bBackgroundLayerPainted );
 
            void          implAddShape( const ShapeSharedPtr& rShape );
 
            void          implRemoveShape( const ShapeSharedPtr& rShape );
 
            template<typename LayerFunc,
                     typename ShapeFunc> void manageViews( LayerFunc layerFunc,
                                                           ShapeFunc shapeFunc );
 
            bool updateSprites();
 
            const UnoViewContainer&  mrViews;
 
            ::std::vector< LayerSharedPtr >
                                     maLayers;
 
            XShapeToShapeMap         maXShapeHash;
 
            LayerShapeMap            maAllShapes;
 
            ::std::set< ShapeSharedPtr >
                                     maUpdateShapes;
 
            sal_Int32                mnActiveSprites;
 
            bool                     mbLayerAssociationDirty;
 
            bool                     mbActive;
 
            bool                     mbDisableAnimationZOrder;
        };
 
        typedef ::std::shared_ptr< LayerManager > LayerManagerSharedPtr;
 
}
 
#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_SLIDE_LAYERMANAGER_HXX
 
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