Move hasRenderedNonAnonymousDescendantsWithHeight() to VisibleUnits.cpp from Position.cpp

Source/core/editing/Position.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2009 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 24 matching lines @@
 #include "core/editing/TextAffinity.h"
 #include "core/editing/VisiblePosition.h"
 #include "core/editing/VisibleUnits.h"
 #include "core/editing/iterators/TextIterator.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/Settings.h"
 #include "core/html/HTMLTableElement.h"
 #include "core/layout/LayoutBlock.h"
 #include "core/layout/LayoutInline.h"
 #include "core/layout/LayoutText.h"
-#include "core/layout/line/InlineIterator.h"
 #include "core/layout/line/InlineTextBox.h"
 #include "wtf/text/CString.h"
 #include <stdio.h>
 
 namespace blink {
 
 using namespace HTMLNames;
 
 #if ENABLE(ASSERT)
 static bool canBeAnchorNode(Node* node)
@@ skipping 465 matching lines @@
 {
     return mostForwardCaretPosition(*this, rule);
 }
 
 template <typename Strategy>
 PositionAlgorithm<Strategy> PositionAlgorithm<Strategy>::downstream(EditingBoundaryCrossingRule rule) const
 {
     return mostBackwardCaretPosition(*this, rule);
 }
 
-static int boundingBoxLogicalHeight(LayoutObject *o, const IntRect &rect)
-{
-    return o->style()->isHorizontalWritingMode() ? rect.height() : rect.width();
-}
-
-// TODO(yosin) We should move |hasRenderedNonAnonymousDescendantsWithHeight|
-// to "VisibleUnits.cpp" to reduce |LayoutObject| dependency in "Position.cpp"
-bool hasRenderedNonAnonymousDescendantsWithHeight(LayoutObject* layoutObject)
-{
-    LayoutObject* stop = layoutObject->nextInPreOrderAfterChildren();
-    for (LayoutObject *o = layoutObject->slowFirstChild(); o && o != stop; o = o->nextInPreOrder()) {
-        if (o->nonPseudoNode()) {
-            if ((o->isText() && boundingBoxLogicalHeight(o, toLayoutText(o)->linesBoundingBox()))
-                || (o->isBox() && toLayoutBox(o)->pixelSnappedLogicalHeight())
-                || (o->isLayoutInline() && isEmptyInline(LineLayoutItem(o)) && boundingBoxLogicalHeight(o, toLayoutInline(o)->linesBoundingBox())))
-                return true;
-        }
-    }
-    return false;
-}
-
 template <typename Strategy>
 Node* PositionAlgorithm<Strategy>::rootUserSelectAllForNode(Node* node)
 {
     if (!node || !nodeIsUserSelectAll(node))
         return 0;
     Node* parent = Strategy::parent(*node);
     if (!parent)
         return node;
 
     Node* candidateRoot = node;
@@ skipping 507 matching lines @@
 
 void showTree(const blink::Position* pos)
 {
     if (pos)
         pos->showTreeForThis();
     else
         fprintf(stderr, "Cannot showTree for (nil)\n");
 }
 
 #endif