1 /* 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) 3 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. 4 * All rights reserved. 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Library General Public 8 * License as published by the Free Software Foundation; either 9 * version 2 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Library General Public License for more details. 15 * 16 * You should have received a copy of the GNU Library General Public License 17 * along with this library; see the file COPYING.LIB. If not, write to 18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 19 * Boston, MA 02110-1301, USA. 20 * 21 */ 22 23 #ifndef THIRD_PARTY_BLINK_RENDERER_CORE_CSS_RESOLVER_ELEMENT_RESOLVE_CONTEXT_H_ 24 #define THIRD_PARTY_BLINK_RENDERER_CORE_CSS_RESOLVER_ELEMENT_RESOLVE_CONTEXT_H_ 25 26 #include "third_party/blink/renderer/core/dom/element.h" 27 #include "third_party/blink/renderer/core/style/computed_style_constants.h" 28 29 namespace blink { 30 31 class ContainerNode; 32 class Element; 33 class ComputedStyle; 34 35 // Wraps an Element for use by ElementRuleCollector. Computes various values 36 // from the element for quick access during style calculation. It is immutable. 37 class CORE_EXPORT ElementResolveContext { 38 STACK_ALLOCATED(); 39 40 public: 41 explicit ElementResolveContext(Element&); 42 GetElement()43 Element& GetElement() const { return *element_; } ParentNode()44 const ContainerNode* ParentNode() const { return parent_node_; } LayoutParent()45 const ContainerNode* LayoutParent() const { return layout_parent_; } RootElementStyle()46 const ComputedStyle* RootElementStyle() const { 47 return root_element_style_.get(); 48 } ParentStyle()49 const ComputedStyle* ParentStyle() const { 50 return ParentNode() && ParentNode()->IsElementNode() 51 ? ParentNode()->GetComputedStyle() 52 : nullptr; 53 } LayoutParentStyle()54 const ComputedStyle* LayoutParentStyle() const { 55 return LayoutParent() ? LayoutParent()->GetComputedStyle() : nullptr; 56 } ElementLinkState()57 EInsideLink ElementLinkState() const { return element_link_state_; } DistributedToV0InsertionPoint()58 bool DistributedToV0InsertionPoint() const { 59 return distributed_to_insertion_point_; 60 } 61 62 private: 63 Element* element_; 64 ContainerNode* parent_node_; 65 ContainerNode* layout_parent_; 66 scoped_refptr<const ComputedStyle> root_element_style_; 67 EInsideLink element_link_state_; 68 bool distributed_to_insertion_point_; 69 }; 70 71 } // namespace blink 72 73 #endif // THIRD_PARTY_BLINK_RENDERER_CORE_CSS_RESOLVER_ELEMENT_RESOLVE_CONTEXT_H_ 74