/* * 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 "Element.h" namespace WebCore { class TreeScopeAdopter { public: explicit TreeScopeAdopter(Node* toAdopt, TreeScope* newScope); void execute() const { moveTreeToNewScope(m_toAdopt); } bool needsScopeChange() const { return m_oldScope != m_newScope; } #ifdef NDEBUG static void ensureDidMoveToNewDocumentWasCalled(Document*) { } #else static void ensureDidMoveToNewDocumentWasCalled(Document*); #endif private: void moveTreeToNewScope(Node*) const; void moveTreeToNewDocument(Node*, Document* oldDocument, Document* newDocument) const; void moveNodeToNewDocument(Node*, Document* oldDocument, Document* newDocument) const; void moveShadowTreeToNewDocument(ShadowTree*, Document* oldDocument, Document* newDocument) const; Node* m_toAdopt; TreeScope* m_newScope; TreeScope* m_oldScope; }; inline TreeScopeAdopter::TreeScopeAdopter(Node* toAdopt, TreeScope* newScope) : m_toAdopt(toAdopt) , m_newScope(newScope) , m_oldScope(toAdopt->treeScope()) { ASSERT(newScope); } } #endif