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// Copyright 2018 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.
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_OBJECT_FACTORY_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_OBJECT_FACTORY_H_
#include "base/memory/scoped_refptr.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"
#include "third_party/blink/renderer/platform/wtf/forward.h"
namespace blink {
class ComputedStyle;
class LayoutBlock;
class LayoutBlockFlow;
class LayoutObject;
class LayoutBox;
enum class LegacyLayout;
class LayoutProgress;
class LayoutRubyAsBlock;
class LayoutTableCaption;
class LayoutText;
class LayoutTextFragment;
class Node;
// Helper class for creation of certain LayoutObject-derived objects that may
// need to be of different types, depending on whether or not LayoutNG is to be
// used in the given context.
class LayoutObjectFactory {
STATIC_ONLY(LayoutObjectFactory);
public:
// The following methods will create and return some LayoutObject-derived
// object. If |node| is of type Element, it will be associated with the new
// LayoutObject. Otherwise it will be assumed to be a Document node, in which
// case the LayoutObject created will be anonymous. The |style| reference
// passed will only be used to determine which object type to create.
static LayoutBlockFlow* CreateBlockFlow(Node&,
const ComputedStyle&,
LegacyLayout);
static LayoutBlock* CreateBlockForLineClamp(Node& node,
const ComputedStyle& style,
LegacyLayout legacy);
static LayoutBlock* CreateFlexibleBox(Node&,
const ComputedStyle&,
LegacyLayout);
static LayoutBlock* CreateGrid(Node&, const ComputedStyle&, LegacyLayout);
static LayoutBlock* CreateMath(Node&, const ComputedStyle&, LegacyLayout);
static LayoutObject* CreateListMarker(Node&,
const ComputedStyle&,
LegacyLayout);
static LayoutBlock* CreateTable(Node&, const ComputedStyle&, LegacyLayout);
static LayoutTableCaption* CreateTableCaption(Node&,
const ComputedStyle&,
LegacyLayout);
static LayoutBlockFlow* CreateTableCell(Node&,
const ComputedStyle&,
LegacyLayout);
static LayoutBox* CreateTableColumn(Node&,
const ComputedStyle&,
LegacyLayout);
static LayoutBox* CreateTableRow(Node&, const ComputedStyle&, LegacyLayout);
static LayoutBox* CreateTableSection(Node&,
const ComputedStyle&,
LegacyLayout);
static LayoutBlock* CreateFieldset(Node&, const ComputedStyle&, LegacyLayout);
static LayoutBlockFlow* CreateFileUploadControl(Node& node,
const ComputedStyle& style,
LegacyLayout legacy);
static LayoutText* CreateText(Node*, scoped_refptr<StringImpl>, LegacyLayout);
static LayoutTextFragment* CreateTextFragment(Node*,
StringImpl*,
int start_offset,
int length,
LegacyLayout);
static LayoutProgress* CreateProgress(Node* node,
const ComputedStyle& style,
LegacyLayout legacy);
static LayoutRubyAsBlock* CreateRubyAsBlock(Node* node,
const ComputedStyle& style,
LegacyLayout legacy);
// Anonoymous creation methods
static LayoutBox* CreateAnonymousTableWithParent(const LayoutObject& parent);
static LayoutBox* CreateAnonymousTableSectionWithParent(
const LayoutObject& parent);
static LayoutBox* CreateAnonymousTableRowWithParent(
const LayoutObject& parent);
static LayoutBlockFlow* CreateAnonymousTableCellWithParent(
const LayoutObject& parent);
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_OBJECT_FACTORY_H_
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