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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 <map> | 9 #include <map> |
9 #include <queue> | |
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/range/range.h" | 14 #include "ui/gfx/range/range.h" |
15 #include "ui/gfx/size.h" | 15 #include "ui/gfx/size.h" |
16 #include "ui/views/controls/link_listener.h" | 16 #include "ui/views/controls/link_listener.h" |
17 #include "ui/views/view.h" | 17 #include "ui/views/view.h" |
18 | 18 |
19 namespace views { | 19 namespace views { |
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96 : range(range), | 96 : range(range), |
97 style_info(style_info) { | 97 style_info(style_info) { |
98 } | 98 } |
99 ~StyleRange() {} | 99 ~StyleRange() {} |
100 | 100 |
101 bool operator<(const StyleRange& other) const; | 101 bool operator<(const StyleRange& other) const; |
102 | 102 |
103 gfx::Range range; | 103 gfx::Range range; |
104 RangeStyleInfo style_info; | 104 RangeStyleInfo style_info; |
105 }; | 105 }; |
| 106 typedef std::list<StyleRange> StyleRanges; |
106 | 107 |
107 // Calculates how to layout child views, creates them and sets their size | 108 // Calculates how to layout child views, creates them and sets their size |
108 // and position. |width| is the horizontal space, in pixels, that the view | 109 // and position. |width| is the horizontal space, in pixels, that the view |
109 // has to work with. If |dry_run| is true, the view hierarchy is not touched. | 110 // has to work with. If |dry_run| is true, the view hierarchy is not touched. |
110 // The return value is the height in pixels. | 111 // The return value is the necessary size. |
111 int CalculateAndDoLayout(int width, bool dry_run); | 112 gfx::Size CalculateAndDoLayout(int width, bool dry_run); |
112 | 113 |
113 // The text to display. | 114 // The text to display. |
114 string16 text_; | 115 string16 text_; |
115 | 116 |
116 // The default style to use for any part of the text that isn't within | 117 // The default style to use for any part of the text that isn't within |
117 // a range in |style_ranges_|. | 118 // a range in |style_ranges_|. |
118 RangeStyleInfo default_style_info_; | 119 RangeStyleInfo default_style_info_; |
119 | 120 |
120 // The listener that will be informed of link clicks. | 121 // The listener that will be informed of link clicks. |
121 StyledLabelListener* listener_; | 122 StyledLabelListener* listener_; |
122 | 123 |
123 // The ranges that should be linkified, sorted by start position. | 124 // The ranges that should be linkified, sorted by start position. |
124 std::priority_queue<StyleRange> style_ranges_; | 125 StyleRanges style_ranges_; |
125 | 126 |
126 // A mapping from a view to the range it corresponds to in |text_|. Only views | 127 // A mapping from a view to the range it corresponds to in |text_|. Only views |
127 // that correspond to ranges with is_link style set will be added to the map. | 128 // that correspond to ranges with is_link style set will be added to the map. |
128 std::map<View*, gfx::Range> link_targets_; | 129 std::map<View*, gfx::Range> link_targets_; |
129 | 130 |
130 // This variable saves the result of the last GetHeightForWidth call in order | 131 // This variable saves the result of the last GetHeightForWidth call in order |
131 // to avoid repeated calculation. | 132 // to avoid repeated calculation. |
132 gfx::Size calculated_size_; | 133 gfx::Size calculated_size_; |
133 | 134 |
134 // Background color on which the label is drawn, for auto color readability. | 135 // Background color on which the label is drawn, for auto color readability. |
135 SkColor displayed_on_background_color_; | 136 SkColor displayed_on_background_color_; |
136 bool displayed_on_background_color_set_; | 137 bool displayed_on_background_color_set_; |
137 | 138 |
138 // Controls whether the text is automatically re-colored to be readable on the | 139 // Controls whether the text is automatically re-colored to be readable on the |
139 // background. | 140 // background. |
140 bool auto_color_readability_enabled_; | 141 bool auto_color_readability_enabled_; |
141 | 142 |
142 DISALLOW_COPY_AND_ASSIGN(StyledLabel); | 143 DISALLOW_COPY_AND_ASSIGN(StyledLabel); |
143 }; | 144 }; |
144 | 145 |
145 } // namespace views | 146 } // namespace views |
146 | 147 |
147 #endif // UI_VIEWS_CONTROLS_STYLED_LABEL_H_ | 148 #endif // UI_VIEWS_CONTROLS_STYLED_LABEL_H_ |
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