[LayoutNG] PODify NGLayoutInputNode and sub-classes.

third_party/WebKit/Source/core/layout/ng/ng_layout_input_node.cc

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/layout/ng/ng_layout_input_node.h"
+
 #include "core/layout/ng/inline/ng_inline_node.h"
+#include "core/layout/ng/layout_ng_block_flow.h"
 #include "core/layout/ng/ng_block_node.h"
+#include "core/layout/ng/ng_layout_result.h"
+#include "core/layout/ng/ng_min_max_content_size.h"
 #include "platform/wtf/text/StringBuilder.h"
 
 namespace blink {
 namespace {
 
 #ifndef NDEBUG
-void AppendNodeToString(const NGLayoutInputNode* node,
+void AppendNodeToString(NGLayoutInputNode node,
                         StringBuilder* string_builder,
                         unsigned indent = 2) {
   if (!node)
     return;
   DCHECK(string_builder);
 
-  string_builder->Append(node->ToString());
+  string_builder->Append(node.ToString());
   string_builder->Append("\n");
 
   StringBuilder indent_builder;
   for (unsigned i = 0; i < indent; i++)
     indent_builder.Append(" ");
 
-  if (node->IsBlock()) {
-    auto* first_child =
-        ToNGBlockNode(const_cast<NGLayoutInputNode*>(node))->FirstChild();
-    for (NGLayoutInputNode* node_runner = first_child; node_runner;
-         node_runner = node_runner->NextSibling()) {
+  if (node.IsBlock()) {
+    NGLayoutInputNode first_child = ToNGBlockNode(node).FirstChild();
+    for (NGLayoutInputNode node_runner = first_child; node_runner;
+         node_runner = node_runner.NextSibling()) {
       string_builder->Append(indent_builder.ToString());
       AppendNodeToString(node_runner, string_builder, indent + 2);
     }
   }
 
-  if (node->IsInline()) {
-    for (const NGInlineItem& inline_item : ToNGInlineNode(node)->Items()) {
+  if (node.IsInline()) {
+    for (const NGInlineItem& inline_item : ToNGInlineNode(node).Items()) {
       string_builder->Append(indent_builder.ToString());
       string_builder->Append(inline_item.ToString());
       string_builder->Append("\n");
     }
-    auto* next_sibling =
-        ToNGInlineNode(const_cast<NGLayoutInputNode*>(node))->NextSibling();
-    for (NGLayoutInputNode* node_runner = next_sibling; node_runner;
-         node_runner = node_runner->NextSibling()) {
+    NGLayoutInputNode next_sibling = ToNGInlineNode(node).NextSibling();
+    for (NGLayoutInputNode node_runner = next_sibling; node_runner;
+         node_runner = node_runner.NextSibling()) {
       string_builder->Append(indent_builder.ToString());
       AppendNodeToString(node_runner, string_builder, indent + 2);
     }
   }
 }
 #endif
 
 }  // namespace
 
+bool NGLayoutInputNode::IsInline() const {
+  return box_->LayoutNGInline();
+}
+
+bool NGLayoutInputNode::IsBlock() const {
+  return !IsInline();
+}
+
+bool NGLayoutInputNode::IsFloating() const {
+  return IsBlock() && Style().IsFloating();
+}
+
+bool NGLayoutInputNode::IsOutOfFlowPositioned() const {
+  return IsBlock() && Style().HasOutOfFlowPosition();
+}
+
+RefPtr<NGLayoutResult> NGLayoutInputNode::Layout(NGConstraintSpace* space,
+                                                 NGBreakToken* break_token) {
+  return IsInline() ? ToNGInlineNode(*this).Layout(space, break_token)
+                    : ToNGBlockNode(*this).Layout(space, break_token);
+}
+
+MinMaxContentSize NGLayoutInputNode::ComputeMinMaxContentSize() {
+  return IsInline() ? ToNGInlineNode(*this).ComputeMinMaxContentSize()
+                    : ToNGBlockNode(*this).ComputeMinMaxContentSize();
+}
+
+NGLayoutInputNode NGLayoutInputNode::NextSibling() {
+  return IsInline() ? ToNGInlineNode(*this).NextSibling()
+                    : ToNGBlockNode(*this).NextSibling();
+}
+
+LayoutObject* NGLayoutInputNode::GetLayoutObject() const {
+  return box_;
+}
+
+const ComputedStyle& NGLayoutInputNode::Style() const {
+  return box_->StyleRef();
+}
+
+String NGLayoutInputNode::ToString() const {
+  return IsInline() ? ToNGInlineNode(*this).ToString()
+                    : ToNGBlockNode(*this).ToString();
+}
+
 #ifndef NDEBUG
 void NGLayoutInputNode::ShowNodeTree() const {
   StringBuilder string_builder;
   string_builder.Append("\n.:: LayoutNG Node Tree ::.\n\n");
-  AppendNodeToString(this, &string_builder);
+  AppendNodeToString(*this, &string_builder);
   fprintf(stderr, "%s\n", string_builder.ToString().Utf8().data());
 }
 #endif
 
 }  // namespace blink