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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, 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/)
* Copyright (C) 2011 Google 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_TREE_SCOPE_ADOPTER_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_DOM_TREE_SCOPE_ADOPTER_H_
#include "third_party/blink/renderer/core/dom/node.h"
namespace blink {
class TreeScope;
class CORE_EXPORT TreeScopeAdopter {
STACK_ALLOCATED();
public:
TreeScopeAdopter(Node& to_adopt, TreeScope& new_scope);
void Execute() const;
bool NeedsScopeChange() const { return old_scope_ != new_scope_; }
#if DCHECK_IS_ON()
static void EnsureDidMoveToNewDocumentWasCalled(Document&);
#else
static void EnsureDidMoveToNewDocumentWasCalled(Document&) {}
#endif
private:
void UpdateTreeScope(Node&) const;
void MoveTreeToNewScope(Node&) const;
void MoveTreeToNewDocument(Node&,
Document& old_document,
Document& new_document) const;
void MoveShadowTreeToNewDocument(ShadowRoot&,
Document& old_document,
Document& new_document) const;
void MoveNodeToNewDocument(Node&,
Document& old_document,
Document& new_document) const;
TreeScope& OldScope() const { return *old_scope_; }
TreeScope& NewScope() const { return *new_scope_; }
Member<Node> to_adopt_;
Member<TreeScope> new_scope_;
Member<TreeScope> old_scope_;
};
inline TreeScopeAdopter::TreeScopeAdopter(Node& to_adopt, TreeScope& new_scope)
: to_adopt_(to_adopt),
new_scope_(new_scope),
old_scope_(to_adopt.GetTreeScope()) {}
} // namespace blink
#endif
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