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// 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_CSSComputedStyle;
class CFDE_CSSCustomProperty;
class CFDE_CSSDeclaration;
class CFDE_CSSPropertyHolder;
class CFDE_CSSSelector;
class CFDE_CSSStyleSheet;
class CFDE_CSSValue;
class CFDE_CSSValueList;
class CFDE_CSSStyleSelector {
public:
CFDE_CSSStyleSelector();
~CFDE_CSSStyleSelector();
void SetDefFontSize(float fFontSize);
void SetUAStyleSheet(std::unique_ptr<CFDE_CSSStyleSheet> pSheet);
void UpdateStyleIndex();
CFX_RetainPtr<CFDE_CSSComputedStyle> CreateComputedStyle(
CFDE_CSSComputedStyle* pParentStyle);
// Note, the dest style has to be an out param because the CXFA_TextParser
// adds non-inherited data from the parent style. Attempting to copy
// internally will fail as you'll lose the non-inherited data.
void ComputeStyle(const std::vector<const CFDE_CSSDeclaration*>& declArray,
const CFX_WideString& styleString,
const CFX_WideString& alignString,
CFDE_CSSComputedStyle* pDestStyle);
std::vector<const CFDE_CSSDeclaration*> MatchDeclarations(
const CFX_WideString& tagname);
private:
bool MatchSelector(const CFX_WideString& tagname, CFDE_CSSSelector* pSel);
void AppendInlineStyle(CFDE_CSSDeclaration* pDecl,
const CFX_WideString& style);
void ApplyDeclarations(
const std::vector<const CFDE_CSSDeclaration*>& declArray,
const CFDE_CSSDeclaration* extraDecl,
CFDE_CSSComputedStyle* pDestStyle);
void ApplyProperty(FDE_CSSProperty eProperty,
const CFX_RetainPtr<CFDE_CSSValue>& pValue,
CFDE_CSSComputedStyle* pComputedStyle);
void ExtractValues(const CFDE_CSSDeclaration* decl,
std::vector<const CFDE_CSSPropertyHolder*>* importants,
std::vector<const CFDE_CSSPropertyHolder*>* normals,
std::vector<const CFDE_CSSCustomProperty*>* custom);
bool SetLengthWithPercent(FDE_CSSLength& width,
FDE_CSSPrimitiveType eType,
const CFX_RetainPtr<CFDE_CSSValue>& pValue,
float fFontSize);
float ToFontSize(FDE_CSSPropertyValue eValue, 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(const CFX_RetainPtr<CFDE_CSSValueList>& pList);
FDE_CSSFontVariant ToFontVariant(FDE_CSSPropertyValue eValue);
float m_fDefFontSize;
std::unique_ptr<CFDE_CSSStyleSheet> m_UAStyles;
CFDE_CSSRuleCollection m_UARules;
};
#endif // XFA_FDE_CSS_CFDE_CSSSTYLESELECTOR_H_
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