| /* |
| * 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. |
| */ |
| #include "sky/engine/core/dom/TreeScopeAdopter.h" |
| |
| #include "sky/engine/core/dom/Attr.h" |
| #include "sky/engine/core/dom/Document.h" |
| #include "sky/engine/core/dom/NodeTraversal.h" |
| |
| namespace blink { |
| |
| void TreeScopeAdopter::moveTreeToNewScope(Node& root) const |
| { |
| ASSERT(needsScopeChange()); |
| |
| oldScope().guardRef(); |
| |
| Document& oldDocument = oldScope().document(); |
| Document& newDocument = newScope().document(); |
| bool willMoveToNewDocument = oldDocument != newDocument; |
| |
| for (Node* node = &root; node; node = NodeTraversal::next(*node, &root)) { |
| updateTreeScope(*node); |
| |
| if (willMoveToNewDocument) |
| moveNodeToNewDocument(*node, oldDocument, newDocument); |
| |
| if (!node->isElementNode()) |
| continue; |
| } |
| |
| oldScope().guardDeref(); |
| } |
| |
| void TreeScopeAdopter::moveTreeToNewDocument(Node& root, Document& oldDocument, Document& newDocument) const |
| { |
| ASSERT(oldDocument != newDocument); |
| for (Node* node = &root; node; node = NodeTraversal::next(*node, &root)) { |
| moveNodeToNewDocument(*node, oldDocument, newDocument); |
| } |
| } |
| |
| #if ENABLE(ASSERT) |
| static bool didMoveToNewDocumentWasCalled = false; |
| static Document* oldDocumentDidMoveToNewDocumentWasCalledWith = 0; |
| |
| void TreeScopeAdopter::ensureDidMoveToNewDocumentWasCalled(Document& oldDocument) |
| { |
| ASSERT(!didMoveToNewDocumentWasCalled); |
| ASSERT_UNUSED(oldDocument, oldDocument == oldDocumentDidMoveToNewDocumentWasCalledWith); |
| didMoveToNewDocumentWasCalled = true; |
| } |
| #endif |
| |
| inline void TreeScopeAdopter::updateTreeScope(Node& node) const |
| { |
| ASSERT(!node.isTreeScope()); |
| ASSERT(node.treeScope() == oldScope()); |
| #if !ENABLE(OILPAN) |
| newScope().guardRef(); |
| oldScope().guardDeref(); |
| #endif |
| node.setTreeScope(m_newScope); |
| } |
| |
| inline void TreeScopeAdopter::moveNodeToNewDocument(Node& node, Document& oldDocument, Document& newDocument) const |
| { |
| ASSERT(oldDocument != newDocument); |
| |
| #if ENABLE(ASSERT) |
| didMoveToNewDocumentWasCalled = false; |
| oldDocumentDidMoveToNewDocumentWasCalledWith = &oldDocument; |
| #endif |
| |
| node.didMoveToNewDocument(oldDocument); |
| ASSERT(didMoveToNewDocumentWasCalled); |
| } |
| |
| } |