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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 |
| 11 #include "base/basictypes.h" | 11 #include "base/basictypes.h" |
| 12 #include "base/strings/string16.h" | 12 #include "base/strings/string16.h" |
| 13 #include "third_party/skia/include/core/SkColor.h" | 13 #include "third_party/skia/include/core/SkColor.h" |
| 14 #include "ui/gfx/font_list.h" |
| 14 #include "ui/gfx/range/range.h" | 15 #include "ui/gfx/range/range.h" |
| 15 #include "ui/gfx/size.h" | 16 #include "ui/gfx/size.h" |
| 16 #include "ui/views/controls/link_listener.h" | 17 #include "ui/views/controls/link_listener.h" |
| 17 #include "ui/views/view.h" | 18 #include "ui/views/view.h" |
| 18 | 19 |
| 19 namespace views { | 20 namespace views { |
| 20 | 21 |
| 21 class Link; | 22 class Link; |
| 22 class StyledLabelListener; | 23 class StyledLabelListener; |
| 23 | 24 |
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| 53 bool is_link; | 54 bool is_link; |
| 54 }; | 55 }; |
| 55 | 56 |
| 56 // Note that any trailing whitespace in |text| will be trimmed. | 57 // Note that any trailing whitespace in |text| will be trimmed. |
| 57 StyledLabel(const base::string16& text, StyledLabelListener* listener); | 58 StyledLabel(const base::string16& text, StyledLabelListener* listener); |
| 58 virtual ~StyledLabel(); | 59 virtual ~StyledLabel(); |
| 59 | 60 |
| 60 // Sets the text to be displayed, and clears any previous styling. | 61 // Sets the text to be displayed, and clears any previous styling. |
| 61 void SetText(const base::string16& text); | 62 void SetText(const base::string16& text); |
| 62 | 63 |
| 64 // Sets the fonts used by all labels. Can be augemented by styling set by |
| 65 // AddStyleRange and SetDefaultStyle. |
| 66 void SetBaseFontList(const gfx::FontList& font_list); |
| 67 |
| 63 // Marks the given range within |text_| with style defined by |style_info|. | 68 // Marks the given range within |text_| with style defined by |style_info|. |
| 64 // |range| must be contained in |text_|. | 69 // |range| must be contained in |text_|. |
| 65 void AddStyleRange(const gfx::Range& range, const RangeStyleInfo& style_info); | 70 void AddStyleRange(const gfx::Range& range, const RangeStyleInfo& style_info); |
| 66 | 71 |
| 67 // Sets the default style to use for any part of the text that isn't within | 72 // Sets the default style to use for any part of the text that isn't within |
| 68 // a range set by AddStyleRange. | 73 // a range set by AddStyleRange. |
| 69 void SetDefaultStyle(const RangeStyleInfo& style_info); | 74 void SetDefaultStyle(const RangeStyleInfo& style_info); |
| 70 | 75 |
| 71 // Sets the color of the background on which the label is drawn. This won't | 76 // Sets the color of the background on which the label is drawn. This won't |
| 72 // be explicitly drawn, but the label will force the text color to be | 77 // be explicitly drawn, but the label will force the text color to be |
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| 107 | 112 |
| 108 // Calculates how to layout child views, creates them and sets their size | 113 // Calculates how to layout child views, creates them and sets their size |
| 109 // and position. |width| is the horizontal space, in pixels, that the view | 114 // and position. |width| is the horizontal space, in pixels, that the view |
| 110 // has to work with. If |dry_run| is true, the view hierarchy is not touched. | 115 // has to work with. If |dry_run| is true, the view hierarchy is not touched. |
| 111 // The return value is the necessary size. | 116 // The return value is the necessary size. |
| 112 gfx::Size CalculateAndDoLayout(int width, bool dry_run); | 117 gfx::Size CalculateAndDoLayout(int width, bool dry_run); |
| 113 | 118 |
| 114 // The text to display. | 119 // The text to display. |
| 115 base::string16 text_; | 120 base::string16 text_; |
| 116 | 121 |
| 122 // Fonts used to display text. Can be augmented by RangeStyleInfo. |
| 123 gfx::FontList font_list_; |
| 124 |
| 117 // The default style to use for any part of the text that isn't within | 125 // The default style to use for any part of the text that isn't within |
| 118 // a range in |style_ranges_|. | 126 // a range in |style_ranges_|. |
| 119 RangeStyleInfo default_style_info_; | 127 RangeStyleInfo default_style_info_; |
| 120 | 128 |
| 121 // The listener that will be informed of link clicks. | 129 // The listener that will be informed of link clicks. |
| 122 StyledLabelListener* listener_; | 130 StyledLabelListener* listener_; |
| 123 | 131 |
| 124 // The ranges that should be linkified, sorted by start position. | 132 // The ranges that should be linkified, sorted by start position. |
| 125 StyleRanges style_ranges_; | 133 StyleRanges style_ranges_; |
| 126 | 134 |
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| 139 // Controls whether the text is automatically re-colored to be readable on the | 147 // Controls whether the text is automatically re-colored to be readable on the |
| 140 // background. | 148 // background. |
| 141 bool auto_color_readability_enabled_; | 149 bool auto_color_readability_enabled_; |
| 142 | 150 |
| 143 DISALLOW_COPY_AND_ASSIGN(StyledLabel); | 151 DISALLOW_COPY_AND_ASSIGN(StyledLabel); |
| 144 }; | 152 }; |
| 145 | 153 |
| 146 } // namespace views | 154 } // namespace views |
| 147 | 155 |
| 148 #endif // UI_VIEWS_CONTROLS_STYLED_LABEL_H_ | 156 #endif // UI_VIEWS_CONTROLS_STYLED_LABEL_H_ |
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