| /* |
| * 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 "config.h" |
| #include "core/css/resolver/StyleResolverState.h" |
| |
| #include "core/css/CSSPrimitiveValueMappings.h" |
| #include "core/dom/Node.h" |
| #include "core/dom/NodeRenderStyle.h" |
| #include "core/dom/NodeRenderingContext.h" |
| #include "core/dom/StyledElement.h" |
| #include "core/dom/VisitedLinkState.h" |
| #include "core/rendering/RenderTheme.h" |
| |
| namespace WebCore { |
| |
| void StyleResolverState::cacheBorderAndBackground() |
| { |
| m_hasUAAppearance = m_style->hasAppearance(); |
| if (m_hasUAAppearance) { |
| m_borderData = m_style->border(); |
| m_backgroundData = *m_style->backgroundLayers(); |
| m_backgroundColor = m_style->backgroundColor(); |
| } |
| } |
| |
| void StyleResolverState::clear() |
| { |
| m_element = 0; |
| m_styledElement = 0; |
| m_parentStyle = 0; |
| m_parentNode = 0; |
| m_regionForStyling = 0; |
| m_pendingImageProperties.clear(); |
| m_hasPendingShaders = false; |
| #if ENABLE(SVG) |
| m_pendingSVGDocuments.clear(); |
| #endif |
| } |
| |
| void StyleResolverState::initElement(Element* e) |
| { |
| m_element = e; |
| m_styledElement = e && e->isStyledElement() ? static_cast<StyledElement*>(e) : 0; |
| m_elementLinkState = e ? e->document()->visitedLinkState()->determineLinkState(e) : NotInsideLink; |
| } |
| |
| void StyleResolverState::initForStyleResolve(Document* document, Element* e, RenderStyle* parentStyle, RenderRegion* regionForStyling) |
| { |
| m_regionForStyling = regionForStyling; |
| |
| if (e) { |
| NodeRenderingContext context(e); |
| m_parentNode = context.parentNodeForRenderingAndStyle(); |
| m_parentStyle = context.resetStyleInheritance() ? 0 : |
| parentStyle ? parentStyle : |
| m_parentNode ? m_parentNode->renderStyle() : 0; |
| m_distributedToInsertionPoint = context.insertionPoint(); |
| } else { |
| m_parentNode = 0; |
| m_parentStyle = parentStyle; |
| m_distributedToInsertionPoint = false; |
| } |
| |
| Node* docElement = e ? e->document()->documentElement() : 0; |
| RenderStyle* docStyle = document->renderStyle(); |
| m_rootElementStyle = docElement && e != docElement ? docElement->renderStyle() : docStyle; |
| |
| m_style = 0; |
| m_pendingImageProperties.clear(); |
| m_fontDirty = false; |
| } |
| |
| |
| static Color colorForCSSValue(int cssValueId) |
| { |
| struct ColorValue { |
| int cssValueId; |
| RGBA32 color; |
| }; |
| |
| static const ColorValue colorValues[] = { |
| { CSSValueAqua, 0xFF00FFFF }, |
| { CSSValueBlack, 0xFF000000 }, |
| { CSSValueBlue, 0xFF0000FF }, |
| { CSSValueFuchsia, 0xFFFF00FF }, |
| { CSSValueGray, 0xFF808080 }, |
| { CSSValueGreen, 0xFF008000 }, |
| { CSSValueGrey, 0xFF808080 }, |
| { CSSValueLime, 0xFF00FF00 }, |
| { CSSValueMaroon, 0xFF800000 }, |
| { CSSValueNavy, 0xFF000080 }, |
| { CSSValueOlive, 0xFF808000 }, |
| { CSSValueOrange, 0xFFFFA500 }, |
| { CSSValuePurple, 0xFF800080 }, |
| { CSSValueRed, 0xFFFF0000 }, |
| { CSSValueSilver, 0xFFC0C0C0 }, |
| { CSSValueTeal, 0xFF008080 }, |
| { CSSValueTransparent, 0x00000000 }, |
| { CSSValueWhite, 0xFFFFFFFF }, |
| { CSSValueYellow, 0xFFFFFF00 }, |
| { 0, 0 } |
| }; |
| |
| for (const ColorValue* col = colorValues; col->cssValueId; ++col) { |
| if (col->cssValueId == cssValueId) |
| return col->color; |
| } |
| return RenderTheme::defaultTheme()->systemColor(cssValueId); |
| } |
| |
| Color StyleResolverState::colorFromPrimitiveValue(CSSPrimitiveValue* value, bool forVisitedLink) const |
| { |
| if (value->isRGBColor()) |
| return Color(value->getRGBA32Value()); |
| |
| int ident = value->getIdent(); |
| switch (ident) { |
| case 0: |
| return Color(); |
| case CSSValueWebkitText: |
| return document()->textColor(); |
| case CSSValueWebkitLink: |
| return (element()->isLink() && forVisitedLink) ? document()->visitedLinkColor() : document()->linkColor(); |
| case CSSValueWebkitActivelink: |
| return document()->activeLinkColor(); |
| case CSSValueWebkitFocusRingColor: |
| return RenderTheme::focusRingColor(); |
| case CSSValueCurrentcolor: |
| return style()->color(); |
| default: |
| return colorForCSSValue(ident); |
| } |
| } |
| |
| |
| } // namespace WebCore |