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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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_LABEL_H_ | 5 #ifndef UI_VIEWS_CONTROLS_LABEL_H_ |
| 6 #define UI_VIEWS_CONTROLS_LABEL_H_ | 6 #define UI_VIEWS_CONTROLS_LABEL_H_ |
| 7 | 7 |
| 8 #include <string> | 8 #include <string> |
| 9 #include <vector> | 9 #include <vector> |
| 10 | 10 |
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| 113 // wrapped). If 0, no maximum width is enforced. | 113 // wrapped). If 0, no maximum width is enforced. |
| 114 void SizeToFit(int max_width); | 114 void SizeToFit(int max_width); |
| 115 | 115 |
| 116 // Sets whether the preferred size is empty when the label is not visible. | 116 // Sets whether the preferred size is empty when the label is not visible. |
| 117 void set_collapse_when_hidden(bool value) { collapse_when_hidden_ = value; } | 117 void set_collapse_when_hidden(bool value) { collapse_when_hidden_ = value; } |
| 118 | 118 |
| 119 // Get the text as displayed to the user, respecting the obscured flag. | 119 // Get the text as displayed to the user, respecting the obscured flag. |
| 120 const base::string16& GetLayoutTextForTesting() const; | 120 const base::string16& GetLayoutTextForTesting() const; |
| 121 | 121 |
| 122 // View: | 122 // View: |
| 123 virtual gfx::Insets GetInsets() const OVERRIDE; | 123 virtual gfx::Insets GetInsets() const override; |
| 124 virtual int GetBaseline() const OVERRIDE; | 124 virtual int GetBaseline() const override; |
| 125 virtual gfx::Size GetPreferredSize() const OVERRIDE; | 125 virtual gfx::Size GetPreferredSize() const override; |
| 126 virtual gfx::Size GetMinimumSize() const OVERRIDE; | 126 virtual gfx::Size GetMinimumSize() const override; |
| 127 virtual int GetHeightForWidth(int w) const OVERRIDE; | 127 virtual int GetHeightForWidth(int w) const override; |
| 128 virtual const char* GetClassName() const OVERRIDE; | 128 virtual const char* GetClassName() const override; |
| 129 virtual View* GetTooltipHandlerForPoint(const gfx::Point& point) OVERRIDE; | 129 virtual View* GetTooltipHandlerForPoint(const gfx::Point& point) override; |
| 130 virtual bool CanProcessEventsWithinSubtree() const OVERRIDE; | 130 virtual bool CanProcessEventsWithinSubtree() const override; |
| 131 virtual void GetAccessibleState(ui::AXViewState* state) OVERRIDE; | 131 virtual void GetAccessibleState(ui::AXViewState* state) override; |
| 132 virtual bool GetTooltipText(const gfx::Point& p, | 132 virtual bool GetTooltipText(const gfx::Point& p, |
| 133 base::string16* tooltip) const OVERRIDE; | 133 base::string16* tooltip) const override; |
| 134 | 134 |
| 135 protected: | 135 protected: |
| 136 // Called by Paint to paint the text. | 136 // Called by Paint to paint the text. |
| 137 void PaintText(gfx::Canvas* canvas, | 137 void PaintText(gfx::Canvas* canvas, |
| 138 const base::string16& text, | 138 const base::string16& text, |
| 139 const gfx::Rect& text_bounds, | 139 const gfx::Rect& text_bounds, |
| 140 int flags); | 140 int flags); |
| 141 | 141 |
| 142 virtual gfx::Size GetTextSize() const; | 142 virtual gfx::Size GetTextSize() const; |
| 143 | 143 |
| 144 SkColor disabled_color() const { return actual_disabled_color_; } | 144 SkColor disabled_color() const { return actual_disabled_color_; } |
| 145 | 145 |
| 146 // View: | 146 // View: |
| 147 virtual void OnBoundsChanged(const gfx::Rect& previous_bounds) OVERRIDE; | 147 virtual void OnBoundsChanged(const gfx::Rect& previous_bounds) override; |
| 148 virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE; | 148 virtual void OnPaint(gfx::Canvas* canvas) override; |
| 149 virtual void OnNativeThemeChanged(const ui::NativeTheme* theme) OVERRIDE; | 149 virtual void OnNativeThemeChanged(const ui::NativeTheme* theme) override; |
| 150 | 150 |
| 151 private: | 151 private: |
| 152 // These tests call CalculateDrawStringParams in order to verify the | 152 // These tests call CalculateDrawStringParams in order to verify the |
| 153 // calculations done for drawing text. | 153 // calculations done for drawing text. |
| 154 FRIEND_TEST_ALL_PREFIXES(LabelTest, DrawSingleLineString); | 154 FRIEND_TEST_ALL_PREFIXES(LabelTest, DrawSingleLineString); |
| 155 FRIEND_TEST_ALL_PREFIXES(LabelTest, DrawMultiLineString); | 155 FRIEND_TEST_ALL_PREFIXES(LabelTest, DrawMultiLineString); |
| 156 FRIEND_TEST_ALL_PREFIXES(LabelTest, DrawSingleLineStringInRTL); | 156 FRIEND_TEST_ALL_PREFIXES(LabelTest, DrawSingleLineStringInRTL); |
| 157 FRIEND_TEST_ALL_PREFIXES(LabelTest, DrawMultiLineStringInRTL); | 157 FRIEND_TEST_ALL_PREFIXES(LabelTest, DrawMultiLineStringInRTL); |
| 158 FRIEND_TEST_ALL_PREFIXES(LabelTest, DirectionalityFromText); | 158 FRIEND_TEST_ALL_PREFIXES(LabelTest, DirectionalityFromText); |
| 159 FRIEND_TEST_ALL_PREFIXES(LabelTest, DisableSubpixelRendering); | 159 FRIEND_TEST_ALL_PREFIXES(LabelTest, DisableSubpixelRendering); |
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| 220 // The cached heights to avoid recalculation in GetHeightForWidth(). | 220 // The cached heights to avoid recalculation in GetHeightForWidth(). |
| 221 mutable std::vector<gfx::Size> cached_heights_; | 221 mutable std::vector<gfx::Size> cached_heights_; |
| 222 mutable int cached_heights_cursor_; | 222 mutable int cached_heights_cursor_; |
| 223 | 223 |
| 224 DISALLOW_COPY_AND_ASSIGN(Label); | 224 DISALLOW_COPY_AND_ASSIGN(Label); |
| 225 }; | 225 }; |
| 226 | 226 |
| 227 } // namespace views | 227 } // namespace views |
| 228 | 228 |
| 229 #endif // UI_VIEWS_CONTROLS_LABEL_H_ | 229 #endif // UI_VIEWS_CONTROLS_LABEL_H_ |
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