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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_MESSAGE_CENTER_BOUNDED_LABEL_H_ | 5 #ifndef UI_MESSAGE_CENTER_BOUNDED_LABEL_H_ |
6 #define UI_MESSAGE_CENTER_BOUNDED_LABEL_H_ | 6 #define UI_MESSAGE_CENTER_BOUNDED_LABEL_H_ |
7 | 7 |
8 #include <list> | 8 #include <list> |
9 #include <map> | 9 #include <map> |
10 | 10 |
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28 // BoundedLabels display left aligned text up to a maximum number of lines, with | 28 // BoundedLabels display left aligned text up to a maximum number of lines, with |
29 // ellipsis at the end of the last line for any omitted text. BoundedLabel is a | 29 // ellipsis at the end of the last line for any omitted text. BoundedLabel is a |
30 // direct subclass of views::Views rather than a subclass of views::Label | 30 // direct subclass of views::Views rather than a subclass of views::Label |
31 // to avoid exposing some of views::Label's methods that can't be made to work | 31 // to avoid exposing some of views::Label's methods that can't be made to work |
32 // with BoundedLabel. See the description of InnerBoundedLabel in the | 32 // with BoundedLabel. See the description of InnerBoundedLabel in the |
33 // bounded_label.cc file for details. | 33 // bounded_label.cc file for details. |
34 class MESSAGE_CENTER_EXPORT BoundedLabel : public views::View { | 34 class MESSAGE_CENTER_EXPORT BoundedLabel : public views::View { |
35 public: | 35 public: |
36 BoundedLabel(const base::string16& text, const gfx::FontList& font_list); | 36 BoundedLabel(const base::string16& text, const gfx::FontList& font_list); |
37 BoundedLabel(const base::string16& text); | 37 BoundedLabel(const base::string16& text); |
38 virtual ~BoundedLabel(); | 38 ~BoundedLabel() override; |
39 | 39 |
40 void SetColors(SkColor textColor, SkColor backgroundColor); | 40 void SetColors(SkColor textColor, SkColor backgroundColor); |
41 void SetLineHeight(int height); // Pass in 0 for default height. | 41 void SetLineHeight(int height); // Pass in 0 for default height. |
42 void SetLineLimit(int lines); // Pass in -1 for no limit. | 42 void SetLineLimit(int lines); // Pass in -1 for no limit. |
43 void SetText(const base::string16& text); // Additionally clears caches. | 43 void SetText(const base::string16& text); // Additionally clears caches. |
44 | 44 |
45 int GetLineHeight() const; | 45 int GetLineHeight() const; |
46 int GetLineLimit() const; | 46 int GetLineLimit() const; |
47 | 47 |
48 // Pass in a -1 width to use the preferred width, a -1 limit to skip limits. | 48 // Pass in a -1 width to use the preferred width, a -1 limit to skip limits. |
49 int GetLinesForWidthAndLimit(int width, int limit); | 49 int GetLinesForWidthAndLimit(int width, int limit); |
50 gfx::Size GetSizeForWidthAndLines(int width, int lines); | 50 gfx::Size GetSizeForWidthAndLines(int width, int lines); |
51 | 51 |
52 // views::View: | 52 // views::View: |
53 virtual int GetBaseline() const override; | 53 int GetBaseline() const override; |
54 virtual gfx::Size GetPreferredSize() const override; | 54 gfx::Size GetPreferredSize() const override; |
55 virtual int GetHeightForWidth(int width) const override; | 55 int GetHeightForWidth(int width) const override; |
56 virtual void Paint(gfx::Canvas* canvas, | 56 void Paint(gfx::Canvas* canvas, const views::CullSet& cull_set) override; |
57 const views::CullSet& cull_set) override; | 57 bool CanProcessEventsWithinSubtree() const override; |
58 virtual bool CanProcessEventsWithinSubtree() const override; | 58 void GetAccessibleState(ui::AXViewState* state) override; |
59 virtual void GetAccessibleState(ui::AXViewState* state) override; | |
60 | 59 |
61 protected: | 60 protected: |
62 // Overridden from views::View. | 61 // Overridden from views::View. |
63 virtual void OnBoundsChanged(const gfx::Rect& previous_bounds) override; | 62 void OnBoundsChanged(const gfx::Rect& previous_bounds) override; |
64 virtual void OnNativeThemeChanged(const ui::NativeTheme* theme) override; | 63 void OnNativeThemeChanged(const ui::NativeTheme* theme) override; |
65 | 64 |
66 private: | 65 private: |
67 friend class test::BoundedLabelTest; | 66 friend class test::BoundedLabelTest; |
68 | 67 |
69 base::string16 GetWrappedTextForTest(int width, int lines); | 68 base::string16 GetWrappedTextForTest(int width, int lines); |
70 | 69 |
71 scoped_ptr<InnerBoundedLabel> label_; | 70 scoped_ptr<InnerBoundedLabel> label_; |
72 int line_limit_; | 71 int line_limit_; |
73 | 72 |
74 DISALLOW_COPY_AND_ASSIGN(BoundedLabel); | 73 DISALLOW_COPY_AND_ASSIGN(BoundedLabel); |
75 }; | 74 }; |
76 | 75 |
77 } // namespace message_center | 76 } // namespace message_center |
78 | 77 |
79 #endif // UI_MESSAGE_CENTER_BOUNDED_LABEL_H_ | 78 #endif // UI_MESSAGE_CENTER_BOUNDED_LABEL_H_ |
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