mirror of
https://github.com/flutter/flutter.git
synced 2026-02-20 02:29:02 +08:00
71 lines
2.5 KiB
C++
71 lines
2.5 KiB
C++
/*
|
|
* 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 SKY_ENGINE_CORE_DOM_TREESCOPEADOPTER_H_
|
|
#define SKY_ENGINE_CORE_DOM_TREESCOPEADOPTER_H_
|
|
|
|
#include "sky/engine/core/dom/Node.h"
|
|
|
|
namespace blink {
|
|
|
|
class TreeScope;
|
|
|
|
class TreeScopeAdopter {
|
|
STACK_ALLOCATED();
|
|
public:
|
|
TreeScopeAdopter(Node& toAdopt, TreeScope& newScope);
|
|
|
|
void execute() const { moveTreeToNewScope(*m_toAdopt); }
|
|
bool needsScopeChange() const { return m_oldScope != m_newScope; }
|
|
|
|
#if ENABLE(ASSERT)
|
|
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; }
|
|
|
|
RawPtr<Node> m_toAdopt;
|
|
RawPtr<TreeScope> m_newScope;
|
|
RawPtr<TreeScope> m_oldScope;
|
|
};
|
|
|
|
inline TreeScopeAdopter::TreeScopeAdopter(Node& toAdopt, TreeScope& newScope)
|
|
: m_toAdopt(toAdopt)
|
|
, m_newScope(newScope)
|
|
, m_oldScope(toAdopt.treeScope())
|
|
{
|
|
}
|
|
|
|
}
|
|
|
|
#endif // SKY_ENGINE_CORE_DOM_TREESCOPEADOPTER_H_
|