spatnav: Allow focus move to a close-by not-fully-aligned node over a distant but fully-aligned nod…

Source/core/page/SpatialNavigation.h

 /*
  * Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2009 Antonio Gomes <tonikitoo@webkit.org>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 84 matching lines @@
 };
 
 struct FocusCandidate {
     STACK_ALLOCATED();
 public:
     FocusCandidate()
         : visibleNode(nullptr)
         , focusableNode(nullptr)
         , enclosingScrollableBox(nullptr)
         , distance(maxDistance())
-        , alignment(None)
         , isOffscreen(true)
         , isOffscreenAfterScrolling(true)
     {
     }
 
     FocusCandidate(Node*, WebFocusType);
     explicit FocusCandidate(HTMLAreaElement*, WebFocusType);
     bool isNull() const { return !visibleNode; }
     bool inScrollableContainer() const { return visibleNode && enclosingScrollableBox; }
     bool isFrameOwnerElement() const { return visibleNode && visibleNode->isFrameOwnerElement(); }
     Document* document() const { return visibleNode ? &visibleNode->document() : nullptr; }
 
     // We handle differently visibleNode and FocusableNode to properly handle the areas of imagemaps,
     // where visibleNode would represent the image element and focusableNode would represent the area element.
     // In all other cases, visibleNode and focusableNode are one and the same.
     RawPtrWillBeMember<Node> visibleNode;
     RawPtrWillBeMember<Node> focusableNode;
     RawPtrWillBeMember<Node> enclosingScrollableBox;
     double distance;
-    RectsAlignment alignment;
     LayoutRect rect;
     bool isOffscreen;
     bool isOffscreenAfterScrolling;
 };
 
 bool hasOffscreenRect(Node*, WebFocusType = WebFocusTypeNone);
 bool scrollInDirection(LocalFrame*, WebFocusType);
 bool scrollInDirection(Node* container, WebFocusType);
 bool canScrollInDirection(const Node* container, WebFocusType);
 bool canScrollInDirection(const LocalFrame*, WebFocusType);
 bool canBeScrolledIntoView(WebFocusType, const FocusCandidate&);
 bool areElementsOnSameLine(const FocusCandidate& firstCandidate, const FocusCandidate& secondCandidate);
 void distanceDataForNode(WebFocusType, const FocusCandidate& current, FocusCandidate&);
 Node* scrollableEnclosingBoxOrParentFrameForNodeInDirection(WebFocusType, Node*);
 LayoutRect nodeRectInAbsoluteCoordinates(Node*, bool ignoreBorder = false);
 LayoutRect frameRectInAbsoluteCoordinates(LocalFrame*);
 LayoutRect virtualRectForDirection(WebFocusType, const LayoutRect& startingRect, LayoutUnit width = 0);
 LayoutRect virtualRectForAreaElementAndDirection(HTMLAreaElement&, WebFocusType);
 HTMLFrameOwnerElement* frameOwnerElement(FocusCandidate&);
 
 } // namespace blink
 
 #endif // SpatialNavigation_h