181a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles)/* 281a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) * Copyright (C) 1999 Lars Knoll (knoll@kde.org) 381a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved. 481a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) * 581a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) * This library is free software; you can redistribute it and/or 681a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) * modify it under the terms of the GNU Library General Public 781a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) * License as published by the Free Software Foundation; either 881a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) * version 2 of the License, or (at your option) any later version. 981a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) * 1081a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) * This library is distributed in the hope that it will be useful, 1181a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) * but WITHOUT ANY WARRANTY; without even the implied warranty of 1281a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 1381a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) * Library General Public License for more details. 1481a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) * 1581a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) * You should have received a copy of the GNU Library General Public License 1681a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) * along with this library; see the file COPYING.LIB. If not, write to 1781a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 1881a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) * Boston, MA 02110-1301, USA. 1981a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) * 2081a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) */ 2181a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) 2281a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles)#ifndef StyleResolverState_h 2381a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles)#define StyleResolverState_h 2481a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) 255d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles)#include "core/CSSPropertyNames.h" 2681a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) 275267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles)#include "core/css/CSSSVGDocumentValue.h" 28a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles)#include "core/css/CSSToLengthConversionData.h" 29a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles)#include "core/css/resolver/CSSToStyleMap.h" 30fff8884795cb540f87cf6e6d67b629519b00eb8bBen Murdoch#include "core/css/resolver/ElementResolveContext.h" 31591b958dee2cf159d33a0b931e6231072eaf38d5Ben Murdoch#include "core/css/resolver/ElementStyleResources.h" 320019e4eead4d990e4304c54a9028aca9122fb256Ben Murdoch#include "core/css/resolver/FontBuilder.h" 33197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch#include "core/dom/Document.h" 3481a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles)#include "core/dom/Element.h" 35e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch#include "core/rendering/style/CachedUAStyle.h" 3681a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles)#include "core/rendering/style/RenderStyle.h" 3781a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles)#include "core/rendering/style/StyleInheritedData.h" 3881a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) 39c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)namespace blink { 4081a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) 4109380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)class CSSAnimationUpdate; 4281a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles)class FontDescription; 4381a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) 4481a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles)class StyleResolverState { 4507a852d8c1953036774d8f3b65d18dcfea3bb4a2Ben Murdoch STACK_ALLOCATED(); 4607a852d8c1953036774d8f3b65d18dcfea3bb4a2Ben Murdoch WTF_MAKE_NONCOPYABLE(StyleResolverState); 4781a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles)public: 4809380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) StyleResolverState(Document&, Element*, RenderStyle* parentStyle = 0); 4909380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) ~StyleResolverState(); 5081a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) 519bbd2f5e390b01907d97ecffde80aa1b06113aacTorne (Richard Coles) // In FontFaceSet and CanvasRenderingContext2D, we don't have an element to grab the document from. 52f5e4ad553afbc08dd2e729bb77e937a9a94d5827Torne (Richard Coles) // This is why we have to store the document separately. 53c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles) Document& document() const { return *m_document; } 54e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch // These are all just pass-through methods to ElementResolveContext. 55e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch Element* element() const { return m_elementContext.element(); } 56e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch const ContainerNode* parentNode() const { return m_elementContext.parentNode(); } 5702772c6a72f1ee0b226341a4f4439970c29fc861Ben Murdoch const RenderStyle* rootElementStyle() const { return m_elementContext.rootElementStyle(); } 58e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch EInsideLink elementLinkState() const { return m_elementContext.elementLinkState(); } 59e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch bool distributedToInsertionPoint() const { return m_elementContext.distributedToInsertionPoint(); } 6081a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) 61e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch const ElementResolveContext& elementContext() const { return m_elementContext; } 6281a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) 63a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles) void setStyle(PassRefPtr<RenderStyle> style) { m_style = style; m_cssToLengthConversionData.setStyle(m_style.get()); } 6402772c6a72f1ee0b226341a4f4439970c29fc861Ben Murdoch const RenderStyle* style() const { return m_style.get(); } 6502772c6a72f1ee0b226341a4f4439970c29fc861Ben Murdoch RenderStyle* style() { return m_style.get(); } 6681a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) PassRefPtr<RenderStyle> takeStyle() { return m_style.release(); } 6781a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) 68a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles) const CSSToLengthConversionData& cssToLengthConversionData() const { return m_cssToLengthConversionData; } 69a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles) 7007a852d8c1953036774d8f3b65d18dcfea3bb4a2Ben Murdoch void setAnimationUpdate(PassOwnPtrWillBeRawPtr<CSSAnimationUpdate>); 71c0e19a689c8ac22cdc96b291a8d33a5d3b0b34a4Torne (Richard Coles) const CSSAnimationUpdate* animationUpdate() { return m_animationUpdate.get(); } 7207a852d8c1953036774d8f3b65d18dcfea3bb4a2Ben Murdoch PassOwnPtrWillBeRawPtr<CSSAnimationUpdate> takeAnimationUpdate(); 73c0e19a689c8ac22cdc96b291a8d33a5d3b0b34a4Torne (Richard Coles) 7481a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) void setParentStyle(PassRefPtr<RenderStyle> parentStyle) { m_parentStyle = parentStyle; } 7502772c6a72f1ee0b226341a4f4439970c29fc861Ben Murdoch const RenderStyle* parentStyle() const { return m_parentStyle.get(); } 7602772c6a72f1ee0b226341a4f4439970c29fc861Ben Murdoch RenderStyle* parentStyle() { return m_parentStyle.get(); } 7781a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) 78e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch // FIXME: These are effectively side-channel "out parameters" for the various 79e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch // map functions. When we map from CSS to style objects we use this state object 80e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch // to track various meta-data about that mapping (e.g. if it's cache-able). 81e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch // We need to move this data off of StyleResolverState and closer to the 82e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch // objects it applies to. Possibly separating (immutable) inputs from (mutable) outputs. 8381a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) void setApplyPropertyToRegularStyle(bool isApply) { m_applyPropertyToRegularStyle = isApply; } 8481a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) void setApplyPropertyToVisitedLinkStyle(bool isApply) { m_applyPropertyToVisitedLinkStyle = isApply; } 8581a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) bool applyPropertyToRegularStyle() const { return m_applyPropertyToRegularStyle; } 8681a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) bool applyPropertyToVisitedLinkStyle() const { return m_applyPropertyToVisitedLinkStyle; } 8781a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) 88f5e4ad553afbc08dd2e729bb77e937a9a94d5827Torne (Richard Coles) // Holds all attribute names found while applying "content" properties that contain an "attr()" value. 89f5e4ad553afbc08dd2e729bb77e937a9a94d5827Torne (Richard Coles) Vector<AtomicString>& contentAttrValues() { return m_contentAttrValues; } 90f5e4ad553afbc08dd2e729bb77e937a9a94d5827Torne (Richard Coles) 9181a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) void setLineHeightValue(CSSValue* value) { m_lineHeightValue = value; } 9281a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) CSSValue* lineHeightValue() { return m_lineHeightValue; } 9381a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) 9443e7502580f146aa5b3db8267ba6dbb5c733a489Torne (Richard Coles) void cacheUserAgentBorderAndBackground() 9543e7502580f146aa5b3db8267ba6dbb5c733a489Torne (Richard Coles) { 9643e7502580f146aa5b3db8267ba6dbb5c733a489Torne (Richard Coles) // RenderTheme only needs the cached style if it has an appearance, 9743e7502580f146aa5b3db8267ba6dbb5c733a489Torne (Richard Coles) // and constructing it is expensive so we avoid it if possible. 9843e7502580f146aa5b3db8267ba6dbb5c733a489Torne (Richard Coles) if (!style()->hasAppearance()) 9943e7502580f146aa5b3db8267ba6dbb5c733a489Torne (Richard Coles) return; 1005d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) 1015d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) m_cachedUAStyle = CachedUAStyle::create(style()); 1025d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) } 1035d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) 1045d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) const CachedUAStyle* cachedUAStyle() const 1055d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) { 1065d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) return m_cachedUAStyle.get(); 10743e7502580f146aa5b3db8267ba6dbb5c733a489Torne (Richard Coles) } 10881a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) 109e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch ElementStyleResources& elementStyleResources() { return m_elementStyleResources; } 110e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch const CSSToStyleMap& styleMap() const { return m_styleMap; } 111e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch CSSToStyleMap& styleMap() { return m_styleMap; } 112e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch 113e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch // FIXME: Once styleImage can be made to not take a StyleResolverState 114e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch // this convenience function should be removed. As-is, without this, call 115e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch // sites are extremely verbose. 116e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch PassRefPtr<StyleImage> styleImage(CSSPropertyID propertyId, CSSValue* value) 117e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch { 118f91f5fa1608c2cdd9af1842fb5dadbe78275be2aBo Liu return m_elementStyleResources.styleImage(document(), document().textLinkColors(), style()->color(), propertyId, value); 119e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch } 120e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch 1210019e4eead4d990e4304c54a9028aca9122fb256Ben Murdoch FontBuilder& fontBuilder() { return m_fontBuilder; } 122e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch // FIXME: These exist as a primitive way to track mutations to font-related properties 123e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch // on a RenderStyle. As designed, these are very error-prone, as some callers 124e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch // set these directly on the RenderStyle w/o telling us. Presumably we'll 125e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch // want to design a better wrapper around RenderStyle for tracking these mutations 126e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch // and separate it from StyleResolverState. 12781a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) const FontDescription& parentFontDescription() { return m_parentStyle->fontDescription(); } 1280019e4eead4d990e4304c54a9028aca9122fb256Ben Murdoch void setZoom(float f) { m_fontBuilder.didChangeFontParameters(m_style->setZoom(f)); } 1290019e4eead4d990e4304c54a9028aca9122fb256Ben Murdoch void setEffectiveZoom(float f) { m_fontBuilder.didChangeFontParameters(m_style->setEffectiveZoom(f)); } 1300019e4eead4d990e4304c54a9028aca9122fb256Ben Murdoch void setWritingMode(WritingMode writingMode) { m_fontBuilder.didChangeFontParameters(m_style->setWritingMode(writingMode)); } 1310019e4eead4d990e4304c54a9028aca9122fb256Ben Murdoch void setTextOrientation(TextOrientation textOrientation) { m_fontBuilder.didChangeFontParameters(m_style->setTextOrientation(textOrientation)); } 13281a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) 13381a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles)private: 134e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch ElementResolveContext m_elementContext; 135c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles) RawPtrWillBeMember<Document> m_document; 136e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch 137e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch // m_style is the primary output for each element's style resolve. 13881a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) RefPtr<RenderStyle> m_style; 139e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch 140a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles) CSSToLengthConversionData m_cssToLengthConversionData; 141a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles) 142e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch // m_parentStyle is not always just element->parentNode()->style() 143e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch // so we keep it separate from m_elementContext. 14481a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) RefPtr<RenderStyle> m_parentStyle; 14581a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) 14607a852d8c1953036774d8f3b65d18dcfea3bb4a2Ben Murdoch OwnPtrWillBeMember<CSSAnimationUpdate> m_animationUpdate; 147c0e19a689c8ac22cdc96b291a8d33a5d3b0b34a4Torne (Richard Coles) 14881a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) bool m_applyPropertyToRegularStyle; 14981a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) bool m_applyPropertyToVisitedLinkStyle; 15081a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) 15107a852d8c1953036774d8f3b65d18dcfea3bb4a2Ben Murdoch RawPtrWillBeMember<CSSValue> m_lineHeightValue; 152e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch 1530019e4eead4d990e4304c54a9028aca9122fb256Ben Murdoch FontBuilder m_fontBuilder; 15481a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) 1555d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) OwnPtr<CachedUAStyle> m_cachedUAStyle; 156e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch 157591b958dee2cf159d33a0b931e6231072eaf38d5Ben Murdoch ElementStyleResources m_elementStyleResources; 158e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch // CSSToStyleMap is a pure-logic class and only contains 159e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch // a back-pointer to this object. 160e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch CSSToStyleMap m_styleMap; 161f5e4ad553afbc08dd2e729bb77e937a9a94d5827Torne (Richard Coles) Vector<AtomicString> m_contentAttrValues; 16281a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles)}; 16381a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) 164c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)} // namespace blink 16581a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) 16681a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles)#endif // StyleResolverState_h 167