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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 #include "ui/views/controls/scroll_view.h" | 5 #include "ui/views/controls/scroll_view.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 #include "ui/events/event.h" | 8 #include "ui/events/event.h" |
9 #include "ui/gfx/canvas.h" | 9 #include "ui/gfx/canvas.h" |
10 #include "ui/native_theme/native_theme.h" | 10 #include "ui/native_theme/native_theme.h" |
11 #include "ui/views/border.h" | 11 #include "ui/views/border.h" |
12 #include "ui/views/controls/scrollbar/native_scroll_bar.h" | 12 #include "ui/views/controls/scrollbar/native_scroll_bar.h" |
13 #include "ui/views/widget/root_view.h" | 13 #include "ui/views/widget/root_view.h" |
14 | 14 |
15 namespace views { | 15 namespace views { |
16 | 16 |
17 const char ScrollView::kViewClassName[] = "ScrollView"; | 17 const char ScrollView::kViewClassName[] = "ScrollView"; |
18 | 18 |
19 namespace { | 19 namespace { |
20 | 20 |
21 // Subclass of ScrollView that resets the border when the theme changes. | 21 // Subclass of ScrollView that resets the border when the theme changes. |
22 class ScrollViewWithBorder : public views::ScrollView { | 22 class ScrollViewWithBorder : public views::ScrollView { |
23 public: | 23 public: |
24 ScrollViewWithBorder() {} | 24 ScrollViewWithBorder() {} |
25 | 25 |
26 // View overrides; | 26 // View overrides; |
27 virtual void OnNativeThemeChanged(const ui::NativeTheme* theme) OVERRIDE { | 27 virtual void OnNativeThemeChanged(const ui::NativeTheme* theme) override { |
28 SetBorder(Border::CreateSolidBorder( | 28 SetBorder(Border::CreateSolidBorder( |
29 1, | 29 1, |
30 theme->GetSystemColor(ui::NativeTheme::kColorId_UnfocusedBorderColor))); | 30 theme->GetSystemColor(ui::NativeTheme::kColorId_UnfocusedBorderColor))); |
31 } | 31 } |
32 | 32 |
33 private: | 33 private: |
34 DISALLOW_COPY_AND_ASSIGN(ScrollViewWithBorder); | 34 DISALLOW_COPY_AND_ASSIGN(ScrollViewWithBorder); |
35 }; | 35 }; |
36 | 36 |
37 class ScrollCornerView : public views::View { | 37 class ScrollCornerView : public views::View { |
38 public: | 38 public: |
39 ScrollCornerView() {} | 39 ScrollCornerView() {} |
40 | 40 |
41 virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE { | 41 virtual void OnPaint(gfx::Canvas* canvas) override { |
42 ui::NativeTheme::ExtraParams ignored; | 42 ui::NativeTheme::ExtraParams ignored; |
43 GetNativeTheme()->Paint(canvas->sk_canvas(), | 43 GetNativeTheme()->Paint(canvas->sk_canvas(), |
44 ui::NativeTheme::kScrollbarCorner, | 44 ui::NativeTheme::kScrollbarCorner, |
45 ui::NativeTheme::kNormal, | 45 ui::NativeTheme::kNormal, |
46 GetLocalBounds(), | 46 GetLocalBounds(), |
47 ignored); | 47 ignored); |
48 } | 48 } |
49 | 49 |
50 private: | 50 private: |
51 DISALLOW_COPY_AND_ASSIGN(ScrollCornerView); | 51 DISALLOW_COPY_AND_ASSIGN(ScrollCornerView); |
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89 } | 89 } |
90 | 90 |
91 } // namespace | 91 } // namespace |
92 | 92 |
93 // Viewport contains the contents View of the ScrollView. | 93 // Viewport contains the contents View of the ScrollView. |
94 class ScrollView::Viewport : public View { | 94 class ScrollView::Viewport : public View { |
95 public: | 95 public: |
96 Viewport() {} | 96 Viewport() {} |
97 virtual ~Viewport() {} | 97 virtual ~Viewport() {} |
98 | 98 |
99 virtual const char* GetClassName() const OVERRIDE { | 99 virtual const char* GetClassName() const override { |
100 return "ScrollView::Viewport"; | 100 return "ScrollView::Viewport"; |
101 } | 101 } |
102 | 102 |
103 virtual void ScrollRectToVisible(const gfx::Rect& rect) OVERRIDE { | 103 virtual void ScrollRectToVisible(const gfx::Rect& rect) override { |
104 if (!has_children() || !parent()) | 104 if (!has_children() || !parent()) |
105 return; | 105 return; |
106 | 106 |
107 View* contents = child_at(0); | 107 View* contents = child_at(0); |
108 gfx::Rect scroll_rect(rect); | 108 gfx::Rect scroll_rect(rect); |
109 scroll_rect.Offset(-contents->x(), -contents->y()); | 109 scroll_rect.Offset(-contents->x(), -contents->y()); |
110 static_cast<ScrollView*>(parent())->ScrollContentsRegionToBeVisible( | 110 static_cast<ScrollView*>(parent())->ScrollContentsRegionToBeVisible( |
111 scroll_rect); | 111 scroll_rect); |
112 } | 112 } |
113 | 113 |
114 virtual void ChildPreferredSizeChanged(View* child) OVERRIDE { | 114 virtual void ChildPreferredSizeChanged(View* child) override { |
115 if (parent()) | 115 if (parent()) |
116 parent()->Layout(); | 116 parent()->Layout(); |
117 } | 117 } |
118 | 118 |
119 private: | 119 private: |
120 DISALLOW_COPY_AND_ASSIGN(Viewport); | 120 DISALLOW_COPY_AND_ASSIGN(Viewport); |
121 }; | 121 }; |
122 | 122 |
123 ScrollView::ScrollView() | 123 ScrollView::ScrollView() |
124 : contents_(NULL), | 124 : contents_(NULL), |
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635 | 635 |
636 VariableRowHeightScrollHelper::RowInfo | 636 VariableRowHeightScrollHelper::RowInfo |
637 FixedRowHeightScrollHelper::GetRowInfo(int y) { | 637 FixedRowHeightScrollHelper::GetRowInfo(int y) { |
638 if (y < top_margin_) | 638 if (y < top_margin_) |
639 return RowInfo(0, top_margin_); | 639 return RowInfo(0, top_margin_); |
640 return RowInfo((y - top_margin_) / row_height_ * row_height_ + top_margin_, | 640 return RowInfo((y - top_margin_) / row_height_ * row_height_ + top_margin_, |
641 row_height_); | 641 row_height_); |
642 } | 642 } |
643 | 643 |
644 } // namespace views | 644 } // namespace views |
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