| /* |
| * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
| * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple 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 "core/css/resolver/ElementResolveContext.h" |
| |
| #include "core/dom/LayoutTreeBuilderTraversal.h" |
| #include "core/dom/Node.h" |
| #include "core/dom/NodeComputedStyle.h" |
| #include "core/dom/VisitedLinkState.h" |
| #include "core/dom/shadow/InsertionPoint.h" |
| |
| namespace blink { |
| |
| ElementResolveContext::ElementResolveContext(const Document& document) |
| : m_element(nullptr), |
| m_parentNode(nullptr), |
| m_layoutParent(nullptr), |
| m_rootElementStyle(document.documentElement() |
| ? document.documentElement()->computedStyle() |
| : document.computedStyle()), |
| m_elementLinkState(EInsideLink::kNotInsideLink), |
| m_distributedToInsertionPoint(false) {} |
| |
| ElementResolveContext::ElementResolveContext(Element& element) |
| : m_element(&element), |
| m_elementLinkState( |
| element.document().visitedLinkState().determineLinkState(element)), |
| m_distributedToInsertionPoint(false) { |
| LayoutTreeBuilderTraversal::ParentDetails parentDetails; |
| if (element.isActiveSlotOrActiveInsertionPoint()) { |
| m_parentNode = nullptr; |
| m_layoutParent = nullptr; |
| } else { |
| m_parentNode = LayoutTreeBuilderTraversal::parent(element); |
| m_layoutParent = |
| LayoutTreeBuilderTraversal::layoutParent(element, &parentDetails); |
| } |
| m_distributedToInsertionPoint = parentDetails.insertionPoint(); |
| |
| const Document& document = element.document(); |
| Node* documentElement = document.documentElement(); |
| const ComputedStyle* documentStyle = document.computedStyle(); |
| m_rootElementStyle = documentElement && element != documentElement |
| ? documentElement->computedStyle() |
| : documentStyle; |
| if (!m_rootElementStyle) |
| m_rootElementStyle = documentStyle; |
| } |
| |
| } // namespace blink |