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Side by Side Diff: Source/core/css/CSSToLengthConversionData.h

Issue 1033943002: Rename LayoutStyle to papayawhip (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: ensureComputedStyle Created 5 years, 8 months ago
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1 /* 1 /*
2 * Copyright (C) 2013 Google Inc. All rights reserved. 2 * Copyright (C) 2013 Google Inc. All rights reserved.
3 * 3 *
4 * Redistribution and use in source and binary forms, with or without 4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are 5 * modification, are permitted provided that the following conditions are
6 * met: 6 * met:
7 * 7 *
8 * * Redistributions of source code must retain the above copyright 8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer. 9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above 10 * * Redistributions in binary form must reproduce the above
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31 #ifndef CSSToLengthConversionData_h 31 #ifndef CSSToLengthConversionData_h
32 #define CSSToLengthConversionData_h 32 #define CSSToLengthConversionData_h
33 33
34 #include "wtf/Assertions.h" 34 #include "wtf/Assertions.h"
35 #include "wtf/MathExtras.h" 35 #include "wtf/MathExtras.h"
36 #include "wtf/Noncopyable.h" 36 #include "wtf/Noncopyable.h"
37 #include <limits> 37 #include <limits>
38 38
39 namespace blink { 39 namespace blink {
40 40
41 class LayoutStyle; 41 class ComputedStyle;
42 class LayoutView; 42 class LayoutView;
43 class Font; 43 class Font;
44 44
45 class CSSToLengthConversionData { 45 class CSSToLengthConversionData {
46 public: 46 public:
47 47
48 class FontSizes { 48 class FontSizes {
49 public: 49 public:
50 FontSizes() : m_em(0), m_rem(0), m_font(nullptr) { } 50 FontSizes() : m_em(0), m_rem(0), m_font(nullptr) { }
51 FontSizes(float em, float rem, const Font*); 51 FontSizes(float em, float rem, const Font*);
52 FontSizes(const LayoutStyle*, const LayoutStyle* rootStyle); 52 FontSizes(const ComputedStyle*, const ComputedStyle* rootStyle);
53 53
54 float em() const { return m_em; } 54 float em() const { return m_em; }
55 float rem() const { return m_rem; } 55 float rem() const { return m_rem; }
56 float ex() const; 56 float ex() const;
57 float ch() const; 57 float ch() const;
58 private: 58 private:
59 float m_em; 59 float m_em;
60 float m_rem; 60 float m_rem;
61 const Font* m_font; 61 const Font* m_font;
62 }; 62 };
63 63
64 class ViewportSize { 64 class ViewportSize {
65 public: 65 public:
66 ViewportSize() : m_width(0), m_height(0) { } 66 ViewportSize() : m_width(0), m_height(0) { }
67 ViewportSize(double width, double height) : m_width(width), m_height(hei ght) { } 67 ViewportSize(double width, double height) : m_width(width), m_height(hei ght) { }
68 explicit ViewportSize(const LayoutView*); 68 explicit ViewportSize(const LayoutView*);
69 69
70 double width() const { return m_width; } 70 double width() const { return m_width; }
71 double height() const { return m_height; } 71 double height() const { return m_height; }
72 private: 72 private:
73 double m_width; 73 double m_width;
74 double m_height; 74 double m_height;
75 }; 75 };
76 76
77 CSSToLengthConversionData() { } 77 CSSToLengthConversionData() { }
78 CSSToLengthConversionData(const LayoutStyle*, const FontSizes&, const Viewpo rtSize&, float zoom); 78 CSSToLengthConversionData(const ComputedStyle*, const FontSizes&, const View portSize&, float zoom);
79 CSSToLengthConversionData(const LayoutStyle* currStyle, const LayoutStyle* r ootStyle, const LayoutView*, float zoom); 79 CSSToLengthConversionData(const ComputedStyle* currStyle, const ComputedStyl e* rootStyle, const LayoutView*, float zoom);
80 80
81 float zoom() const { return m_zoom; } 81 float zoom() const { return m_zoom; }
82 82
83 float emFontSize() const { return m_fontSizes.em(); } 83 float emFontSize() const { return m_fontSizes.em(); }
84 float remFontSize() const { return m_fontSizes.rem(); } 84 float remFontSize() const { return m_fontSizes.rem(); }
85 float exFontSize() const { return m_fontSizes.ex(); } 85 float exFontSize() const { return m_fontSizes.ex(); }
86 float chFontSize() const { return m_fontSizes.ch(); } 86 float chFontSize() const { return m_fontSizes.ch(); }
87 87
88 // Accessing these marks the style as having viewport units 88 // Accessing these marks the style as having viewport units
89 double viewportWidthPercent() const; 89 double viewportWidthPercent() const;
90 double viewportHeightPercent() const; 90 double viewportHeightPercent() const;
91 double viewportMinPercent() const; 91 double viewportMinPercent() const;
92 double viewportMaxPercent() const; 92 double viewportMaxPercent() const;
93 93
94 void setFontSizes(const FontSizes& fontSizes) { m_fontSizes = fontSizes; } 94 void setFontSizes(const FontSizes& fontSizes) { m_fontSizes = fontSizes; }
95 void setZoom(float zoom) { m_zoom = clampTo<float>(zoom, std::numeric_limits <float>::denorm_min()); } 95 void setZoom(float zoom) { m_zoom = clampTo<float>(zoom, std::numeric_limits <float>::denorm_min()); }
96 96
97 CSSToLengthConversionData copyWithAdjustedZoom(float newZoom) const 97 CSSToLengthConversionData copyWithAdjustedZoom(float newZoom) const
98 { 98 {
99 return CSSToLengthConversionData(m_style, m_fontSizes, m_viewportSize, n ewZoom); 99 return CSSToLengthConversionData(m_style, m_fontSizes, m_viewportSize, n ewZoom);
100 } 100 }
101 101
102 private: 102 private:
103 const LayoutStyle* m_style; 103 const ComputedStyle* m_style;
104 FontSizes m_fontSizes; 104 FontSizes m_fontSizes;
105 ViewportSize m_viewportSize; 105 ViewportSize m_viewportSize;
106 float m_zoom; 106 float m_zoom;
107 }; 107 };
108 108
109 } // namespace blink 109 } // namespace blink
110 110
111 #endif 111 #endif
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