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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef UI_VIEWS_CONTROLS_STYLED_LABEL_H_ | 5 #ifndef UI_VIEWS_CONTROLS_STYLED_LABEL_H_ |
6 #define UI_VIEWS_CONTROLS_STYLED_LABEL_H_ | 6 #define UI_VIEWS_CONTROLS_STYLED_LABEL_H_ |
7 | 7 |
8 #include <list> | 8 #include <list> |
9 #include <map> | 9 #include <map> |
10 | 10 |
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22 class Link; | 22 class Link; |
23 class StyledLabelListener; | 23 class StyledLabelListener; |
24 | 24 |
25 // A class which can apply mixed styles to a block of text. Currently, text is | 25 // A class which can apply mixed styles to a block of text. Currently, text is |
26 // always multiline. Trailing whitespace in the styled label text is not | 26 // always multiline. Trailing whitespace in the styled label text is not |
27 // supported and will be trimmed on StyledLabel construction. Leading | 27 // supported and will be trimmed on StyledLabel construction. Leading |
28 // whitespace is respected, provided not only whitespace fits in the first line. | 28 // whitespace is respected, provided not only whitespace fits in the first line. |
29 // In this case, leading whitespace is ignored. | 29 // In this case, leading whitespace is ignored. |
30 class VIEWS_EXPORT StyledLabel : public View, public LinkListener { | 30 class VIEWS_EXPORT StyledLabel : public View, public LinkListener { |
31 public: | 31 public: |
| 32 // Internal class name. |
| 33 static const char kViewClassName[]; |
| 34 |
32 // Parameters that define label style for a styled label's text range. | 35 // Parameters that define label style for a styled label's text range. |
33 struct VIEWS_EXPORT RangeStyleInfo { | 36 struct VIEWS_EXPORT RangeStyleInfo { |
34 RangeStyleInfo(); | 37 RangeStyleInfo(); |
35 ~RangeStyleInfo(); | 38 ~RangeStyleInfo(); |
36 | 39 |
37 // Creates a range style info with default values for link. | 40 // Creates a range style info with default values for link. |
38 static RangeStyleInfo CreateForLink(); | 41 static RangeStyleInfo CreateForLink(); |
39 | 42 |
40 // The font style that will be applied to the range. Should be a bitmask of | 43 // The font style that will be applied to the range. Should be a bitmask of |
41 // values defined in gfx::Font::FontStyle (BOLD, ITALIC, UNDERLINE). | 44 // values defined in gfx::Font::FontStyle (BOLD, ITALIC, UNDERLINE). |
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83 // readable over it. | 86 // readable over it. |
84 void SetDisplayedOnBackgroundColor(SkColor color); | 87 void SetDisplayedOnBackgroundColor(SkColor color); |
85 SkColor displayed_on_background_color() const { | 88 SkColor displayed_on_background_color() const { |
86 return displayed_on_background_color_; | 89 return displayed_on_background_color_; |
87 } | 90 } |
88 | 91 |
89 void set_auto_color_readability_enabled(bool auto_color_readability) { | 92 void set_auto_color_readability_enabled(bool auto_color_readability) { |
90 auto_color_readability_enabled_ = auto_color_readability; | 93 auto_color_readability_enabled_ = auto_color_readability; |
91 } | 94 } |
92 | 95 |
93 // View implementation: | 96 // views::View: |
| 97 const char* GetClassName() const override; |
94 gfx::Insets GetInsets() const override; | 98 gfx::Insets GetInsets() const override; |
95 int GetHeightForWidth(int w) const override; | 99 int GetHeightForWidth(int w) const override; |
96 void Layout() override; | 100 void Layout() override; |
97 void PreferredSizeChanged() override; | 101 void PreferredSizeChanged() override; |
98 | 102 |
99 // LinkListener implementation: | 103 // LinkListener implementation: |
100 void LinkClicked(Link* source, int event_flags) override; | 104 void LinkClicked(Link* source, int event_flags) override; |
101 | 105 |
102 private: | 106 private: |
103 struct StyleRange { | 107 struct StyleRange { |
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156 // Controls whether the text is automatically re-colored to be readable on the | 160 // Controls whether the text is automatically re-colored to be readable on the |
157 // background. | 161 // background. |
158 bool auto_color_readability_enabled_; | 162 bool auto_color_readability_enabled_; |
159 | 163 |
160 DISALLOW_COPY_AND_ASSIGN(StyledLabel); | 164 DISALLOW_COPY_AND_ASSIGN(StyledLabel); |
161 }; | 165 }; |
162 | 166 |
163 } // namespace views | 167 } // namespace views |
164 | 168 |
165 #endif // UI_VIEWS_CONTROLS_STYLED_LABEL_H_ | 169 #endif // UI_VIEWS_CONTROLS_STYLED_LABEL_H_ |
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