Preparation for combining paths of focus rings and outlines

Source/core/layout/LayoutObject.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 980 matching lines @@
     size_t n = rects.size();
     if (!n)
         return IntRect();
 
     IntRect result = rects[0];
     for (size_t i = 1; i < n; ++i)
         result.unite(rects[i]);
     return result;
 }
 
-IntRect LayoutObject::absoluteFocusRingBoundingBoxRect() const
+IntRect LayoutObject::absoluteOutlineBoundingBoxRect() const
 {
     Vector<LayoutRect> rects;
     const LayoutBoxModelObject* container = enclosingLayer()->layoutObject();
-    addFocusRingRects(rects, LayoutPoint(localToContainerPoint(FloatPoint(), container)));
+    addOutlineRects(rects, LayoutPoint(localToContainerPoint(FloatPoint(), container)));
     return container->localToAbsoluteQuad(FloatQuad(unionRect(rects))).enclosingBoundingBox();
 }
 
 FloatRect LayoutObject::absoluteBoundingBoxRectForRange(const Range* range)
 {
     if (!range || !range->startContainer())
         return FloatRect();
 
     range->ownerDocument().updateLayout();
 
@@ skipping 373 matching lines @@
     // children when location of this object changed.
     if (newPositionFromPaintInvalidationBacking != oldPositionFromPaintInvalidationBacking)
         return PaintInvalidationLocationChange;
 
     if (shouldDoFullPaintInvalidation())
         return m_bitfields.fullPaintInvalidationReason();
 
     // The focus ring may change because of position change of descendants. For simplicity,
     // just force full paint invalidation if this object is marked for checking paint invalidation
     // for any reason.
+    // TODO(wangxianzhu): extend this to all outlines.
     if (styleRef().outlineStyleIsAuto())
-        return PaintInvalidationFocusRing;
+        return PaintInvalidationOutline;
 
     // If the bounds are the same then we know that none of the statements below
     // can match, so we can early out since we will not need to do any
     // invalidation.
     if (oldBounds == newBounds)
         return PaintInvalidationNone;
 
     // If we shifted, we don't know the exact reason so we are conservative and trigger a full invalidation. Shifting could
     // be caused by some layout property (left / top) or some in-flow layoutObject inserted / removed before us in the tree.
     if (newBounds.location() != oldBounds.location())
@@ skipping 1955 matching lines @@
         const blink::LayoutObject* root = object1;
         while (root->parent())
             root = root->parent();
         root->showLayoutTreeAndMark(object1, "*", object2, "-", 0);
     } else {
         fprintf(stderr, "Cannot showLayoutTree. Root is (nil)\n");
     }
 }
 
 #endif