Divorce PaintInvalidationState from LayoutState

Source/core/rendering/RenderObject.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 36 matching lines @@
 
 namespace WebCore {
 
 class AffineTransform;
 class Cursor;
 class Document;
 class HitTestLocation;
 class HitTestResult;
 class InlineBox;
 class InlineFlowBox;
+class InvalidationTreeWalkState;
 class Position;
 class PositionWithAffinity;
 class PseudoStyleRequest;
 class RenderBoxModelObject;
 class RenderBlock;
 class RenderFlowThread;
 class RenderGeometryMap;
 class RenderLayer;
 class RenderLayerModelObject;
 class RenderView;
@@ skipping 659 matching lines @@
     // Convert a local quad to absolute coordinates, taking transforms into account.
     FloatQuad localToAbsoluteQuad(const FloatQuad& quad, MapCoordinatesFlags mode = 0, bool* wasFixed = 0) const
     {
         return localToContainerQuad(quad, 0, mode, wasFixed);
     }
     // Convert an absolute quad to local coordinates.
     FloatQuad absoluteToLocalQuad(const FloatQuad&, MapCoordinatesFlags mode = 0) const;
 
     // Convert a local quad into the coordinate system of container, taking transforms into account.
     FloatQuad localToContainerQuad(const FloatQuad&, const RenderLayerModelObject* paintInvalidatinoContainer, MapCoordinatesFlags = 0, bool* wasFixed = 0) const;
-    FloatPoint localToContainerPoint(const FloatPoint&, const RenderLayerModelObject* paintInvalidationContainer, MapCoordinatesFlags = 0, bool* wasFixed = 0) const;
+    FloatPoint localToContainerPoint(const FloatPoint&, const RenderLayerModelObject* paintInvalidationContainer, MapCoordinatesFlags = 0, bool* wasFixed = 0, const InvalidationTreeWalkState* = 0) const;
 
     // Return the offset from the container() renderer (excluding transforms). In multi-column layout,
     // different offsets apply at different points, so return the offset that applies to the given point.
     virtual LayoutSize offsetFromContainer(const RenderObject*, const LayoutPoint&, bool* offsetDependsOnPoint = 0) const;
     // Return the offset from an object up the container() chain. Asserts that none of the intermediate objects have transforms.
     LayoutSize offsetFromAncestorContainer(const RenderObject*) const;
 
     virtual void absoluteRects(Vector<IntRect>&, const LayoutPoint&) const { }
 
     // Computes the position of the given render object in the space of |repaintContainer|.
-    LayoutPoint positionFromPaintInvalidationContainer(const RenderLayerModelObject* paintInvalidationContainer) const;
+    LayoutPoint positionFromPaintInvalidationContainer(const RenderLayerModelObject* paintInvalidationContainer, const InvalidationTreeWalkState* = 0) const;
 
     IntRect absoluteBoundingBoxRect() const;
     // FIXME: This function should go away eventually
     IntRect absoluteBoundingBoxRectIgnoringTransforms() const;
 
     // Build an array of quads in absolute coords for line boxes
     virtual void absoluteQuads(Vector<FloatQuad>&, bool* /*wasFixed*/ = 0) const { }
 
     virtual void absoluteFocusRingQuads(Vector<FloatQuad>&);
 
@@ skipping 43 matching lines @@
     const RenderLayerModelObject* containerForPaintInvalidation() const;
     const RenderLayerModelObject* adjustCompositedContainerForSpecialAncestors(const RenderLayerModelObject* paintInvalidationContainer) const;
     bool isPaintInvalidationContainer() const;
 
     LayoutRect computePaintInvalidationRect()
     {
         return computePaintInvalidationRect(containerForPaintInvalidation());
     }
 
     // Returns the paint invalidation rect for this RenderObject in the coordinate space of the paint backing (typically a GraphicsLayer) for |paintInvalidationContainer|.
-    LayoutRect computePaintInvalidationRect(const RenderLayerModelObject* paintInvalidationContainer) const;
+    LayoutRect computePaintInvalidationRect(const RenderLayerModelObject* paintInvalidationContainer, const InvalidationTreeWalkState* = 0) const;
 
     // Returns the rect bounds needed to invalidate the paint of this object, in the coordinate space of the rendering backing of |paintInvalidationContainer|
-    LayoutRect boundsRectForPaintInvalidation(const RenderLayerModelObject* paintInvalidationContainer) const;
+    LayoutRect boundsRectForPaintInvalidation(const RenderLayerModelObject* paintInvalidationContainer, const InvalidationTreeWalkState* = 0) const;
 
     // Actually do the paint invalidate of rect r for this object which has been computed in the coordinate space
     // of the GraphicsLayer backing of |paintInvalidationContainer|. Note that this coordinaten space is not the same
     // as the local coordinate space of |paintInvalidationContainer| in the presence of layer squashing.
     // If |paintInvalidationContainer| is 0, invalidate paints via the view.
     // FIXME: |paintInvalidationContainer| should never be 0. See crbug.com/363699.
     void invalidatePaintUsingContainer(const RenderLayerModelObject* paintInvalidationContainer, const IntRect&, InvalidationReason) const;
 
     // Invalidate the paint of the entire object. Called when, e.g., the color of a border changes, or when a border
     // style changes.
     void paintInvalidationForWholeRenderer() const;
 
     // Invalidate the paint of a specific subrectangle within a given object. The rect |r| is in the object's coordinate space.
     void invalidatePaintRectangle(const LayoutRect&) const;
 
     bool invalidatePaintIfNeeded(const RenderLayerModelObject* paintInvalidationContainer,
         const LayoutRect& oldBounds, const LayoutPoint& oldPositionFromPaintInvalidationContainer);
 
     // Walk the tree after layout issuing paint invalidations for renderers that have changed or moved, updating bounds that have changed, and clearing paint invalidation state.
-    virtual void invalidateTreeAfterLayout(const RenderLayerModelObject&);
+    virtual void invalidateTreeAfterLayout(const InvalidationTreeWalkState&);
 
     virtual void invalidatePaintForOverflow();
     void invalidatePaintForOverflowIfNeeded();
 
     bool checkForPaintInvalidation() const;
 
     // Returns the rect that should have paint invalidated whenever this object changes. The rect is in the view's
     // coordinate space. This method deals with outlines and overflow.
     LayoutRect absoluteClippedOverflowRect() const
     {
         return clippedOverflowRectForPaintInvalidation(0);
     }
     IntRect pixelSnappedAbsoluteClippedOverflowRect() const;
-    virtual LayoutRect clippedOverflowRectForPaintInvalidation(const RenderLayerModelObject* paintInvalidationContainer) const;
-    virtual LayoutRect rectWithOutlineForPaintInvalidation(const RenderLayerModelObject* paintInvalidationContainer, LayoutUnit outlineWidth) const;
+    virtual LayoutRect clippedOverflowRectForPaintInvalidation(const RenderLayerModelObject* paintInvalidationContainer, const InvalidationTreeWalkState* = 0) const;
+    virtual LayoutRect rectWithOutlineForPaintInvalidation(const RenderLayerModelObject* paintInvalidationContainer, LayoutUnit outlineWidth, const InvalidationTreeWalkState* = 0) const;
 
     // Given a rect in the object's coordinate space, compute a rect suitable for invalidating paints of
     // that rect in the coordinate space of paintInvalidationContainer.
-    virtual void mapRectToPaintInvalidationBacking(const RenderLayerModelObject* paintInvalidationContainer, LayoutRect&, bool fixed = false) const;
-    virtual void computeFloatRectForPaintInvalidation(const RenderLayerModelObject* paintInvalidationContainer, FloatRect& paintInvalidationRect, bool fixed = false) const;
+    virtual void mapRectToPaintInvalidationBacking(const RenderLayerModelObject* paintInvalidationContainer, LayoutRect&, bool fixed = false, const InvalidationTreeWalkState* = 0) const;
+    virtual void computeFloatRectForPaintInvalidation(const RenderLayerModelObject* paintInvalidationContainer, FloatRect& paintInvalidationRect, bool fixed = false, const InvalidationTreeWalkState* = 0) const;
 
     // Return the offset to the column in which the specified point (in flow-thread coordinates)
     // lives. This is used to convert a flow-thread point to a visual point.
     virtual LayoutSize columnOffset(const LayoutPoint&) const { return LayoutSize(); }
 
     virtual unsigned length() const { return 1; }
 
     bool isFloatingOrOutOfFlowPositioned() const { return (isFloating() || isOutOfFlowPositioned()); }
 
     bool isTransparent() const { return style()->opacity() < 1.0f; }
@@ skipping 79 matching lines @@
     bool isInert() const;
 
     bool supportsTouchAction() const;
 
     bool visibleToHitTestRequest(const HitTestRequest& request) const { return style()->visibility() == VISIBLE && (request.ignorePointerEventsNone() || style()->pointerEvents() != PE_NONE) && !isInert(); }
 
     bool visibleToHitTesting() const { return style()->visibility() == VISIBLE && style()->pointerEvents() != PE_NONE && !isInert(); }
 
     // Map points and quads through elements, potentially via 3d transforms. You should never need to call these directly; use
     // localToAbsolute/absoluteToLocal methods instead.
-    virtual void mapLocalToContainer(const RenderLayerModelObject* paintInvalidationContainer, TransformState&, MapCoordinatesFlags = ApplyContainerFlip, bool* wasFixed = 0) const;
+    virtual void mapLocalToContainer(const RenderLayerModelObject* paintInvalidationContainer, TransformState&, MapCoordinatesFlags = ApplyContainerFlip, bool* wasFixed = 0, const InvalidationTreeWalkState* = 0) const;
     virtual void mapAbsoluteToLocalPoint(MapCoordinatesFlags, TransformState&) const;
 
     // Pushes state onto RenderGeometryMap about how to map coordinates from this renderer to its container, or ancestorToStopAt (whichever is encountered first).
     // Returns the renderer which was mapped to (container or ancestorToStopAt).
     virtual const RenderObject* pushMappingToContainer(const RenderLayerModelObject* ancestorToStopAt, RenderGeometryMap&) const;
 
     bool shouldUseTransformFromContainer(const RenderObject* container) const;
     void getTransformFromContainer(const RenderObject* container, const LayoutSize& offsetInContainer, TransformationMatrix&) const;
 
     bool createsGroup() const { return isTransparent() || hasMask() || hasFilter() || hasBlendMode(); }
@@ skipping 509 matching lines @@
 void showTree(const WebCore::RenderObject*);
 void showLineTree(const WebCore::RenderObject*);
 void showRenderTree(const WebCore::RenderObject* object1);
 // We don't make object2 an optional parameter so that showRenderTree
 // can be called from gdb easily.
 void showRenderTree(const WebCore::RenderObject* object1, const WebCore::RenderObject* object2);
 
 #endif
 
 #endif // RenderObject_h