[DOM][Editing][CodeHealth] Make private Node::hasEditableStyle static local

third_party/WebKit/Source/core/dom/Node.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 516 matching lines @@
         if (node == this)
             break;
 
         if (node->getNodeType() == TEXT_NODE)
             node = toText(node)->mergeNextSiblingNodesIfPossible();
         else
             node = NodeTraversal::nextPostOrder(*node);
     }
 }
 
+// TODO(yoichio): Move to core/editing
+enum EditableLevel { Editable, RichlyEditable };
+static bool hasEditableStyle(const Node&, EditableLevel);
+static bool isEditableToAccessibility(const Node&, EditableLevel);
+
 bool Node::isContentEditable() const
 {
     document().updateStyleAndLayoutTree();
-    return hasEditableStyle(Editable);
+    return blink::hasEditableStyle(*this, Editable);
 }
 
 bool Node::isContentRichlyEditable() const
 {
     document().updateStyleAndLayoutTree();
-    return hasEditableStyle(RichlyEditable);
+    return blink::hasEditableStyle(*this, RichlyEditable);
 }
 
-bool Node::hasEditableStyle(EditableLevel editableLevel) const
+// TODO(yoichio): Move to core/editing
+static bool hasEditableStyle(const Node& node, EditableLevel editableLevel)
 {
-    if (isPseudoElement())
+    if (node.isPseudoElement())
         return false;
 
     // Ideally we'd call DCHECK(!needsStyleRecalc()) here, but
     // ContainerNode::setFocus() calls setNeedsStyleRecalc(), so the assertion
     // would fire in the middle of Document::setFocusedNode().
 
-    for (const Node& node : NodeTraversal::inclusiveAncestorsOf(*this)) {
-        if ((node.isHTMLElement() || node.isDocumentNode()) && node.layoutObject()) {
-            switch (node.layoutObject()->style()->userModify()) {
+    for (const Node& ancestor : NodeTraversal::inclusiveAncestorsOf(node)) {
+        if ((ancestor.isHTMLElement() || ancestor.isDocumentNode()) && ancestor.layoutObject()) {
+            switch (ancestor.layoutObject()->style()->userModify()) {
             case READ_ONLY:
                 return false;
             case READ_WRITE:
                 return true;
             case READ_WRITE_PLAINTEXT_ONLY:
                 return editableLevel != RichlyEditable;
             }
             ASSERT_NOT_REACHED();
             return false;
         }
     }
 
     return false;
 }
 
-bool Node::isEditableToAccessibility(EditableLevel editableLevel) const
+// TODO(yoichio): Move to core/editing
+static bool isEditableToAccessibility(const Node& node, EditableLevel editableLevel)
 {
-    if (hasEditableStyle(editableLevel))
+    if (blink::hasEditableStyle(node, editableLevel))
         return true;
 
     // FIXME: Respect editableLevel for ARIA editable elements.
     if (editableLevel == RichlyEditable)
         return false;
 
     // FIXME(dmazzoni): support ScopedAXObjectCache (crbug/489851).
-    if (AXObjectCache* cache = document().existingAXObjectCache())
-        return cache->rootAXEditableElement(this);
+    if (AXObjectCache* cache = node.document().existingAXObjectCache())
+        return cache->rootAXEditableElement(&node);
 
     return false;
 }
 
+// TODO(yoichio): Move to core/editing
+bool Node::hasEditableStyle(EditableType editableType) const
+{
+    switch (editableType) {
+    case ContentIsEditable:
+        return blink::hasEditableStyle(*this, Editable);
+    case HasEditableAXRole:
+        return isEditableToAccessibility(*this, Editable);
+    }
+    NOTREACHED();
+    return false;
+}
+
+// TODO(yoichio): Move to core/editing
+bool Node::layoutObjectIsRichlyEditable(EditableType editableType) const
+{
+    switch (editableType) {
+    case ContentIsEditable:
+        return blink::hasEditableStyle(*this, RichlyEditable);
+    case HasEditableAXRole:
+        return isEditableToAccessibility(*this, RichlyEditable);
+    }
+    NOTREACHED();
+    return false;
+}
+
 LayoutBox* Node::layoutBox() const
 {
     LayoutObject* layoutObject = this->layoutObject();
     return layoutObject && layoutObject->isBox() ? toLayoutBox(layoutObject) : nullptr;
 }
 
 LayoutBoxModelObject* Node::layoutBoxModelObject() const
 {
     LayoutObject* layoutObject = this->layoutObject();
     return layoutObject && layoutObject->isBoxModelObject() ? toLayoutBoxModelObject(layoutObject) : nullptr;
@@ skipping 1901 matching lines @@
 
 void showNodePath(const blink::Node* node)
 {
     if (node)
         node->showNodePathForThis();
     else
         fprintf(stderr, "Cannot showNodePath for (nil)\n");
 }
 
 #endif