| // Copyright 2017 PDFium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| |
| #ifndef XFA_FDE_CSS_CFDE_CSSSTYLESELECTOR_H_ |
| #define XFA_FDE_CSS_CFDE_CSSSTYLESELECTOR_H_ |
| |
| #include <memory> |
| #include <vector> |
| |
| #include "core/fxcrt/fx_basic.h" |
| #include "core/fxcrt/fx_system.h" |
| #include "xfa/fde/css/cfde_cssrulecollection.h" |
| #include "xfa/fde/css/fde_css.h" |
| |
| class CFDE_CSSAccelerator; |
| class CFDE_CSSComputedStyle; |
| class CFDE_CSSDeclaration; |
| class CFDE_CSSSelector; |
| class CFDE_CSSStyleSheet; |
| class CFDE_CSSTagCache; |
| class CFDE_CSSValue; |
| class CFDE_CSSValueList; |
| class CFGAS_FontMgr; |
| class CXFA_CSSTagProvider; |
| |
| class CFDE_CSSStyleSelector { |
| public: |
| explicit CFDE_CSSStyleSelector(CFGAS_FontMgr* pFontMgr); |
| ~CFDE_CSSStyleSelector(); |
| |
| void SetDefFontSize(FX_FLOAT fFontSize); |
| |
| void SetUAStyleSheet(std::unique_ptr<CFDE_CSSStyleSheet> pSheet); |
| |
| void UpdateStyleIndex(); |
| CFDE_CSSAccelerator* InitAccelerator(); |
| CFDE_CSSComputedStyle* CreateComputedStyle( |
| CFDE_CSSComputedStyle* pParentStyle); |
| int32_t MatchDeclarations( |
| CXFA_CSSTagProvider* pTag, |
| CFX_ArrayTemplate<CFDE_CSSDeclaration*>& matchedDecls, |
| FDE_CSSPseudo ePseudoType = FDE_CSSPseudo::NONE); |
| void ComputeStyle(CXFA_CSSTagProvider* pTag, |
| const CFDE_CSSDeclaration** ppDeclArray, |
| int32_t iDeclCount, |
| CFDE_CSSComputedStyle* pDestStyle); |
| |
| private: |
| void MatchRules(CFDE_CSSTagCache* pCache, |
| CFDE_CSSRuleCollection::Data* pList, |
| FDE_CSSPseudo ePseudoType); |
| bool MatchSelector(CFDE_CSSTagCache* pCache, |
| CFDE_CSSSelector* pSel, |
| FDE_CSSPseudo ePseudoType); |
| void AppendInlineStyle(CFDE_CSSDeclaration* pDecl, |
| const FX_WCHAR* psz, |
| int32_t iLen); |
| void ApplyDeclarations(bool bPriority, |
| const CFDE_CSSDeclaration** ppDeclArray, |
| int32_t iDeclCount, |
| CFDE_CSSComputedStyle* pDestStyle); |
| void ApplyProperty(FDE_CSSProperty eProperty, |
| CFDE_CSSValue* pValue, |
| CFDE_CSSComputedStyle* pComputedStyle); |
| |
| bool SetLengthWithPercent(FDE_CSSLength& width, |
| FDE_CSSPrimitiveType eType, |
| CFDE_CSSValue* pValue, |
| FX_FLOAT fFontSize); |
| FX_FLOAT ToFontSize(FDE_CSSPropertyValue eValue, FX_FLOAT fCurFontSize); |
| FDE_CSSDisplay ToDisplay(FDE_CSSPropertyValue eValue); |
| FDE_CSSTextAlign ToTextAlign(FDE_CSSPropertyValue eValue); |
| uint16_t ToFontWeight(FDE_CSSPropertyValue eValue); |
| FDE_CSSFontStyle ToFontStyle(FDE_CSSPropertyValue eValue); |
| FDE_CSSVerticalAlign ToVerticalAlign(FDE_CSSPropertyValue eValue); |
| uint32_t ToTextDecoration(CFDE_CSSValueList* pList); |
| FDE_CSSFontVariant ToFontVariant(FDE_CSSPropertyValue eValue); |
| |
| CFGAS_FontMgr* const m_pFontMgr; |
| FX_FLOAT m_fDefFontSize; |
| std::unique_ptr<CFDE_CSSStyleSheet> m_UAStyles; |
| CFDE_CSSRuleCollection m_UARules; |
| std::unique_ptr<CFDE_CSSAccelerator> m_pAccelerator; |
| std::vector<CFDE_CSSRuleCollection::Data*> m_MatchedRules; |
| }; |
| |
| #endif // XFA_FDE_CSS_CFDE_CSSSTYLESELECTOR_H_ |