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      1 /*
      2  * Copyright (C) 1999 Lars Knoll (knoll (at) kde.org)
      3  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
      4  *
      5  * This library is free software; you can redistribute it and/or
      6  * modify it under the terms of the GNU Library General Public
      7  * License as published by the Free Software Foundation; either
      8  * version 2 of the License, or (at your option) any later version.
      9  *
     10  * This library is distributed in the hope that it will be useful,
     11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     13  * Library General Public License for more details.
     14  *
     15  * You should have received a copy of the GNU Library General Public License
     16  * along with this library; see the file COPYING.LIB.  If not, write to
     17  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     18  * Boston, MA 02110-1301, USA.
     19  *
     20  */
     21 
     22 #include "config.h"
     23 #include "core/css/resolver/StyleResolverState.h"
     24 
     25 #include "core/animation/css/CSSAnimations.h"
     26 #include "core/dom/Node.h"
     27 #include "core/dom/NodeRenderStyle.h"
     28 #include "core/frame/FrameHost.h"
     29 
     30 namespace blink {
     31 
     32 StyleResolverState::StyleResolverState(Document& document, Element* element, RenderStyle* parentStyle)
     33     : m_elementContext(element ? ElementResolveContext(*element) : ElementResolveContext(document))
     34     , m_document(document)
     35     , m_style(nullptr)
     36     , m_cssToLengthConversionData(0, rootElementStyle(), document.renderView())
     37     , m_parentStyle(parentStyle)
     38     , m_applyPropertyToRegularStyle(true)
     39     , m_applyPropertyToVisitedLinkStyle(false)
     40     , m_lineHeightValue(nullptr)
     41     , m_styleMap(*this, m_elementStyleResources)
     42 {
     43     if (!parentStyle && m_elementContext.parentNode())
     44         m_parentStyle = m_elementContext.parentNode()->renderStyle();
     45 
     46     ASSERT(document.isActive());
     47     m_elementStyleResources.setDeviceScaleFactor(document.frameHost()->deviceScaleFactor());
     48 }
     49 
     50 StyleResolverState::~StyleResolverState()
     51 {
     52 }
     53 
     54 void StyleResolverState::setAnimationUpdate(PassOwnPtrWillBeRawPtr<CSSAnimationUpdate> update)
     55 {
     56     m_animationUpdate = update;
     57 }
     58 
     59 PassOwnPtrWillBeRawPtr<CSSAnimationUpdate> StyleResolverState::takeAnimationUpdate()
     60 {
     61     return m_animationUpdate.release();
     62 }
     63 
     64 } // namespace blink
     65