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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 TreeScopeAdopter_h
#define TreeScopeAdopter_h
#include "core/dom/Node.h"
namespace blink {
class TreeScope;
class TreeScopeAdopter {
STACK_ALLOCATED();
public:
TreeScopeAdopter(Node& toAdopt, TreeScope& newScope);
void execute() const;
bool needsScopeChange() const { return m_oldScope != m_newScope; }
#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& oldDocument,
Document& newDocument) const;
void moveNodeToNewDocument(Node&,
Document& oldDocument,
Document& newDocument) const;
TreeScope& oldScope() const { return *m_oldScope; }
TreeScope& newScope() const { return *m_newScope; }
Member<Node> m_toAdopt;
Member<TreeScope> m_newScope;
Member<TreeScope> m_oldScope;
};
inline TreeScopeAdopter::TreeScopeAdopter(Node& toAdopt, TreeScope& newScope)
: m_toAdopt(toAdopt),
m_newScope(newScope),
m_oldScope(toAdopt.treeScope()) {}
} // namespace blink
#endif
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