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/*
* 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, 2009 Apple Inc. 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
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_DOM_DOCUMENT_FRAGMENT_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_DOM_DOCUMENT_FRAGMENT_H_
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/dom/container_node.h"
#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/core/dom/parser_content_policy.h"
#include "third_party/blink/renderer/platform/wtf/casting.h"
namespace blink {
class DocumentPartRoot;
class CORE_EXPORT DocumentFragment : public ContainerNode {
DEFINE_WRAPPERTYPEINFO();
public:
static DocumentFragment* Create(Document&);
DocumentFragment(Document*, ConstructionType);
void ParseHTML(const String&,
Element* context_element,
ParserContentPolicy = kAllowScriptingContent);
bool ParseXML(const String&,
Element* context_element,
ExceptionState& exception_state,
ParserContentPolicy = kAllowScriptingContent);
bool CanContainRangeEndPoint() const final { return true; }
virtual bool IsTemplateContent() const { return false; }
// These represent whether this DocumentFragment is one that holds
// children that have not had Node::InsertedInto called. We use such
// DocumentFragment objects internally for temporary storage of
// parsing results. This requires that when we move the children
// *out* of the DocumentFragment we also not call RemovedFrom.
bool HoldsUnnotifiedChildren() const { return holds_unnotified_children_; }
void SetHoldsUnnotifiedChildren(bool v) { holds_unnotified_children_ = v; }
// When HoldsUnnotifiedChildren() is true, a caller that is taking the
// children can call ForgetChildren to disconnect them without any
// notifications.
void ForgetChildren();
// This will catch anyone doing an unnecessary check.
bool IsDocumentFragment() const = delete;
// https://crbug.com/1453291
// The DOM Parts API:
// https://github.com/WICG/webcomponents/blob/gh-pages/proposals/DOM-Parts.md.
DocumentPartRoot& getPartRoot();
void Trace(Visitor* visitor) const override;
protected:
String nodeName() const final;
private:
Node* Clone(Document& factory,
NodeCloningData& data,
ContainerNode* append_to,
ExceptionState& append_exception_state) const override;
bool ChildTypeAllowed(NodeType) const override;
Member<DocumentPartRoot> document_part_root_;
bool holds_unnotified_children_ = false;
};
template <>
struct DowncastTraits<DocumentFragment> {
static bool AllowFrom(const Node& node) { return node.IsDocumentFragment(); }
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_DOM_DOCUMENT_FRAGMENT_H_
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