Refactor HitTestResult to store the HitTestRequest

Source/core/layout/LayoutBlock.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2010. 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
  * License as published by the Free Software Foundation; either
@@ skipping 2142 matching lines @@
 }
 
 Node* LayoutBlock::nodeForHitTest() const
 {
     // If we are in the margins of block elements that are part of a
     // continuation we're actually still inside the enclosing element
     // that was split. Use the appropriate inner node.
     return isAnonymousBlockContinuation() ? continuation()->node() : node();
 }
 
-bool LayoutBlock::nodeAtPoint(const HitTestRequest& request, HitTestResult& result, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction hitTestAction)
+bool LayoutBlock::nodeAtPoint(HitTestResult& result, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction hitTestAction)
 {
     LayoutPoint adjustedLocation(accumulatedOffset + location());
     LayoutSize localOffset = toLayoutSize(adjustedLocation);
 
     if (!isLayoutView()) {
         // Check if we need to do anything at all.
         // If we have clipping, then we can't have any spillout.
         LayoutRect overflowBox = hasOverflowClip() ? borderBoxRect() : visualOverflowRect();
         flipForWritingMode(overflowBox);
         overflowBox.moveBy(adjustedLocation);
         if (!locationInContainer.intersects(overflowBox))
             return false;
     }
 
     if ((hitTestAction == HitTestBlockBackground || hitTestAction == HitTestChildBlockBackground)
-        && visibleToHitTestRequest(request)
+        && visibleToHitTestRequest(result.hitTestRequest())
         && isPointInOverflowControl(result, locationInContainer.point(), adjustedLocation)) {
         updateHitTestResult(result, locationInContainer.point() - localOffset);
         // FIXME: isPointInOverflowControl() doesn't handle rect-based tests yet.
-        if (!result.addNodeToListBasedTestResult(nodeForHitTest(), request, locationInContainer))
+        if (!result.addNodeToListBasedTestResult(nodeForHitTest(), locationInContainer))
             return true;
     }
 
     if (style()->clipPath()) {
         switch (style()->clipPath()->type()) {
         case ClipPathOperation::SHAPE: {
             ShapeClipPathOperation* clipPath = toShapeClipPathOperation(style()->clipPath());
             // FIXME: handle marginBox etc.
             if (!clipPath->path(borderBoxRect()).contains(FloatPoint(locationInContainer.point() - localOffset), clipPath->windRule()))
                 return false;
@@ skipping 21 matching lines @@
         }
     }
     if (checkChildren) {
         // Hit test descendants first.
         LayoutSize scrolledOffset(localOffset);
         if (hasOverflowClip())
             scrolledOffset -= scrolledContentOffset();
 
         // Hit test contents if we don't have columns.
         if (!hasColumns()) {
-            if (hitTestContents(request, result, locationInContainer, toLayoutPoint(scrolledOffset), hitTestAction)) {
+            if (hitTestContents(result, locationInContainer, toLayoutPoint(scrolledOffset), hitTestAction)) {
                 updateHitTestResult(result, flipForWritingMode(locationInContainer.point() - localOffset));
                 return true;
             }
-            if (hitTestAction == HitTestFloat && hitTestFloats(request, result, locationInContainer, toLayoutPoint(scrolledOffset)))
+            if (hitTestAction == HitTestFloat && hitTestFloats(result, locationInContainer, toLayoutPoint(scrolledOffset)))
                 return true;
-        } else if (hitTestColumns(request, result, locationInContainer, toLayoutPoint(scrolledOffset), hitTestAction)) {
+        } else if (hitTestColumns(result, locationInContainer, toLayoutPoint(scrolledOffset), hitTestAction)) {
             updateHitTestResult(result, flipForWritingMode(locationInContainer.point() - localOffset));
             return true;
         }
     }
 
     // Check if the point is outside radii.
     if (style()->hasBorderRadius()) {
         LayoutRect borderRect = borderBoxRect();
         borderRect.moveBy(adjustedLocation);
         FloatRoundedRect border = style()->getRoundedBorderFor(borderRect);
         if (!locationInContainer.intersects(border))
             return false;
     }
 
     // Now hit test our background
     if (hitTestAction == HitTestBlockBackground || hitTestAction == HitTestChildBlockBackground) {
         LayoutRect boundsRect(adjustedLocation, size());
-        if (visibleToHitTestRequest(request) && locationInContainer.intersects(boundsRect)) {
+        if (visibleToHitTestRequest(result.hitTestRequest()) && locationInContainer.intersects(boundsRect)) {
             updateHitTestResult(result, flipForWritingMode(locationInContainer.point() - localOffset));
-            if (!result.addNodeToListBasedTestResult(nodeForHitTest(), request, locationInContainer, boundsRect))
+            if (!result.addNodeToListBasedTestResult(nodeForHitTest(), locationInContainer, boundsRect))
                 return true;
         }
     }
 
     return false;
 }
 
 class ColumnRectIterator {
     WTF_MAKE_NONCOPYABLE(ColumnRectIterator);
 public:
@@ skipping 46 matching lines @@
     const LayoutBlock& m_block;
     const ColumnInfo* const m_colInfo;
     const int m_direction;
     const bool m_isHorizontal;
     const LayoutUnit m_logicalLeft;
     int m_colIndex;
     LayoutUnit m_currLogicalTopOffset;
     LayoutRect m_colRect;
 };
 
-bool LayoutBlock::hitTestColumns(const HitTestRequest& request, HitTestResult& result, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction hitTestAction)
+bool LayoutBlock::hitTestColumns(HitTestResult& result, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction hitTestAction)
 {
     // We need to do multiple passes, breaking up our hit testing into strips.
     if (!hasColumns())
         return false;
 
     for (ColumnRectIterator it(*this); it.hasMore(); it.advance()) {
         LayoutRect hitRect = LayoutRect(locationInContainer.boundingBox());
         LayoutRect colRect = it.columnRect();
         colRect.moveBy(accumulatedOffset);
         if (locationInContainer.intersects(colRect)) {
             // The point is inside this column.
             // Adjust accumulatedOffset to change where we hit test.
             LayoutSize offset;
             it.adjust(offset);
             LayoutPoint finalLocation = accumulatedOffset + offset;
             if (!result.isRectBasedTest() || colRect.contains(hitRect))
-                return hitTestContents(request, result, locationInContainer, finalLocation, hitTestAction) || (hitTestAction == HitTestFloat && hitTestFloats(request, result, locationInContainer, finalLocation));
+                return hitTestContents(result, locationInContainer, finalLocation, hitTestAction) || (hitTestAction == HitTestFloat && hitTestFloats(result, locationInContainer, finalLocation));
 
-            hitTestContents(request, result, locationInContainer, finalLocation, hitTestAction);
+            hitTestContents(result, locationInContainer, finalLocation, hitTestAction);
         }
     }
 
     return false;
 }
 
 void LayoutBlock::adjustForColumnRect(LayoutSize& offset, const LayoutPoint& locationInContainer) const
 {
     for (ColumnRectIterator it(*this); it.hasMore(); it.advance()) {
         LayoutRect colRect = it.columnRect();
         if (colRect.contains(locationInContainer)) {
             it.adjust(offset);
             return;
         }
     }
 }
 
-bool LayoutBlock::hitTestContents(const HitTestRequest& request, HitTestResult& result, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction hitTestAction)
+bool LayoutBlock::hitTestContents(HitTestResult& result, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction hitTestAction)
 {
     if (childrenInline() && !isTable()) {
         // We have to hit-test our line boxes.
-        if (m_lineBoxes.hitTest(this, request, result, locationInContainer, accumulatedOffset, hitTestAction))
+        if (m_lineBoxes.hitTest(this, result, locationInContainer, accumulatedOffset, hitTestAction))
             return true;
     } else {
         // Hit test our children.
         HitTestAction childHitTest = hitTestAction;
         if (hitTestAction == HitTestChildBlockBackgrounds)
             childHitTest = HitTestChildBlockBackground;
         for (LayoutBox* child = lastChildBox(); child; child = child->previousSiblingBox()) {
             LayoutPoint childPoint = flipForWritingModeForChild(child, accumulatedOffset);
-            if (!child->hasSelfPaintingLayer() && !child->isFloating() && !child->isColumnSpanAll() && child->nodeAtPoint(request, result, locationInContainer, childPoint, childHitTest))
+            if (!child->hasSelfPaintingLayer() && !child->isFloating() && !child->isColumnSpanAll() && child->nodeAtPoint(result, locationInContainer, childPoint, childHitTest))
                 return true;
         }
     }
 
     return false;
 }
 
 Position LayoutBlock::positionForBox(InlineBox *box, bool start) const
 {
     if (!box)
@@ skipping 1560 matching lines @@
 void LayoutBlock::showLineTreeAndMark(const InlineBox* markedBox1, const char* markedLabel1, const InlineBox* markedBox2, const char* markedLabel2, const LayoutObject* obj) const
 {
     showLayoutObject();
     for (const RootInlineBox* root = firstRootBox(); root; root = root->nextRootBox())
         root->showLineTreeAndMark(markedBox1, markedLabel1, markedBox2, markedLabel2, obj, 1);
 }
 
 #endif
 
 } // namespace blink