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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* (C) 2001 Dirk Mueller (mueller@kde.org)
* (C) 2008 David Smith (catfish.man@gmail.com)
* Copyright (C) 2004, 2005, 2006, 2007, 2008 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.
*
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_DOM_NODE_COMPUTED_STYLE_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_DOM_NODE_COMPUTED_STYLE_H_
#include "third_party/blink/renderer/core/dom/element.h"
#include "third_party/blink/renderer/core/dom/layout_tree_builder_traversal.h"
#include "third_party/blink/renderer/core/dom/node.h"
#include "third_party/blink/renderer/core/dom/v0_insertion_point.h"
#include "third_party/blink/renderer/core/layout/layout_object.h"
namespace blink {
inline const ComputedStyle* Node::GetComputedStyle() const {
return MutableComputedStyle();
}
inline ComputedStyle* Node::MutableComputedStyle() const {
if (NeedsReattachLayoutTree())
return GetNonAttachedStyle();
if (LayoutObject* layout_object = GetLayoutObject())
return layout_object->MutableStyle();
if (IsElementNode())
return ToElement(this)->MutableNonLayoutObjectComputedStyle();
return nullptr;
}
inline const ComputedStyle* Node::ParentComputedStyle() const {
if (!CanParticipateInFlatTree())
return nullptr;
ContainerNode* parent = LayoutTreeBuilderTraversal::Parent(*this);
if (parent && parent->ChildrenCanHaveStyle()) {
const ComputedStyle* parent_style = parent->GetComputedStyle();
if (parent_style && !parent_style->IsEnsuredInDisplayNone())
return parent_style;
}
return nullptr;
}
inline const ComputedStyle& Node::ComputedStyleRef() const {
const ComputedStyle* style = GetComputedStyle();
DCHECK(style);
return *style;
}
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_DOM_NODE_COMPUTED_STYLE_H_
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