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1 /* | 1 /* |
2 * Copyright (C) 2008 Apple Inc. All Rights Reserved. | 2 * Copyright (C) 2008 Apple Inc. All Rights Reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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26 #ifndef RenderScrollbarPart_h | 26 #ifndef RenderScrollbarPart_h |
27 #define RenderScrollbarPart_h | 27 #define RenderScrollbarPart_h |
28 | 28 |
29 #include "core/rendering/RenderBlock.h" | 29 #include "core/rendering/RenderBlock.h" |
30 #include "platform/scroll/ScrollTypes.h" | 30 #include "platform/scroll/ScrollTypes.h" |
31 | 31 |
32 namespace blink { | 32 namespace blink { |
33 | 33 |
34 class RenderScrollbar; | 34 class RenderScrollbar; |
35 | 35 |
36 class RenderScrollbarPart FINAL : public RenderBlock { | 36 class RenderScrollbarPart final : public RenderBlock { |
37 public: | 37 public: |
38 static RenderScrollbarPart* createAnonymous(Document*, RenderScrollbar* = 0,
ScrollbarPart = NoPart); | 38 static RenderScrollbarPart* createAnonymous(Document*, RenderScrollbar* = 0,
ScrollbarPart = NoPart); |
39 | 39 |
40 virtual ~RenderScrollbarPart(); | 40 virtual ~RenderScrollbarPart(); |
41 | 41 |
42 virtual const char* renderName() const OVERRIDE { return "RenderScrollbarPar
t"; } | 42 virtual const char* renderName() const override { return "RenderScrollbarPar
t"; } |
43 | 43 |
44 virtual LayerType layerTypeRequired() const OVERRIDE { return NoLayer; } | 44 virtual LayerType layerTypeRequired() const override { return NoLayer; } |
45 | 45 |
46 virtual void layout() OVERRIDE; | 46 virtual void layout() override; |
47 | 47 |
48 // Scrollbar parts needs to be rendered at device pixel boundaries. | 48 // Scrollbar parts needs to be rendered at device pixel boundaries. |
49 virtual LayoutUnit marginTop() const OVERRIDE { ASSERT(isIntegerValue(m_marg
inBox.top())); return m_marginBox.top(); } | 49 virtual LayoutUnit marginTop() const override { ASSERT(isIntegerValue(m_marg
inBox.top())); return m_marginBox.top(); } |
50 virtual LayoutUnit marginBottom() const OVERRIDE { ASSERT(isIntegerValue(m_m
arginBox.bottom())); return m_marginBox.bottom(); } | 50 virtual LayoutUnit marginBottom() const override { ASSERT(isIntegerValue(m_m
arginBox.bottom())); return m_marginBox.bottom(); } |
51 virtual LayoutUnit marginLeft() const OVERRIDE { ASSERT(isIntegerValue(m_mar
ginBox.left())); return m_marginBox.left(); } | 51 virtual LayoutUnit marginLeft() const override { ASSERT(isIntegerValue(m_mar
ginBox.left())); return m_marginBox.left(); } |
52 virtual LayoutUnit marginRight() const OVERRIDE { ASSERT(isIntegerValue(m_ma
rginBox.right())); return m_marginBox.right(); } | 52 virtual LayoutUnit marginRight() const override { ASSERT(isIntegerValue(m_ma
rginBox.right())); return m_marginBox.right(); } |
53 | 53 |
54 virtual bool isRenderScrollbarPart() const OVERRIDE { return true; } | 54 virtual bool isRenderScrollbarPart() const override { return true; } |
55 RenderObject* rendererOwningScrollbar() const; | 55 RenderObject* rendererOwningScrollbar() const; |
56 | 56 |
57 protected: | 57 protected: |
58 virtual void styleWillChange(StyleDifference, const RenderStyle& newStyle) O
VERRIDE; | 58 virtual void styleWillChange(StyleDifference, const RenderStyle& newStyle) o
verride; |
59 virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) OV
ERRIDE; | 59 virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) ov
erride; |
60 virtual void imageChanged(WrappedImagePtr, const IntRect* = 0) OVERRIDE; | 60 virtual void imageChanged(WrappedImagePtr, const IntRect* = 0) override; |
61 | 61 |
62 private: | 62 private: |
63 RenderScrollbarPart(RenderScrollbar*, ScrollbarPart); | 63 RenderScrollbarPart(RenderScrollbar*, ScrollbarPart); |
64 | 64 |
65 virtual void computePreferredLogicalWidths() OVERRIDE; | 65 virtual void computePreferredLogicalWidths() override; |
66 | 66 |
67 // Have all padding getters return 0. The important point here is to avoid r
esolving percents | 67 // Have all padding getters return 0. The important point here is to avoid r
esolving percents |
68 // against the containing block, since scroll bar corners don't always have
one (so it would | 68 // against the containing block, since scroll bar corners don't always have
one (so it would |
69 // crash). Scroll bar corners are not actually laid out, and they don't have
child content, so | 69 // crash). Scroll bar corners are not actually laid out, and they don't have
child content, so |
70 // what we return here doesn't really matter. | 70 // what we return here doesn't really matter. |
71 virtual LayoutUnit paddingTop() const OVERRIDE { return LayoutUnit(); } | 71 virtual LayoutUnit paddingTop() const override { return LayoutUnit(); } |
72 virtual LayoutUnit paddingBottom() const OVERRIDE { return LayoutUnit(); } | 72 virtual LayoutUnit paddingBottom() const override { return LayoutUnit(); } |
73 virtual LayoutUnit paddingLeft() const OVERRIDE { return LayoutUnit(); } | 73 virtual LayoutUnit paddingLeft() const override { return LayoutUnit(); } |
74 virtual LayoutUnit paddingRight() const OVERRIDE { return LayoutUnit(); } | 74 virtual LayoutUnit paddingRight() const override { return LayoutUnit(); } |
75 virtual LayoutUnit paddingBefore() const OVERRIDE { return LayoutUnit(); } | 75 virtual LayoutUnit paddingBefore() const override { return LayoutUnit(); } |
76 virtual LayoutUnit paddingAfter() const OVERRIDE { return LayoutUnit(); } | 76 virtual LayoutUnit paddingAfter() const override { return LayoutUnit(); } |
77 virtual LayoutUnit paddingStart() const OVERRIDE { return LayoutUnit(); } | 77 virtual LayoutUnit paddingStart() const override { return LayoutUnit(); } |
78 virtual LayoutUnit paddingEnd() const OVERRIDE { return LayoutUnit(); } | 78 virtual LayoutUnit paddingEnd() const override { return LayoutUnit(); } |
79 | 79 |
80 void layoutHorizontalPart(); | 80 void layoutHorizontalPart(); |
81 void layoutVerticalPart(); | 81 void layoutVerticalPart(); |
82 | 82 |
83 void computeScrollbarWidth(); | 83 void computeScrollbarWidth(); |
84 void computeScrollbarHeight(); | 84 void computeScrollbarHeight(); |
85 | 85 |
86 RenderScrollbar* m_scrollbar; | 86 RenderScrollbar* m_scrollbar; |
87 ScrollbarPart m_part; | 87 ScrollbarPart m_part; |
88 }; | 88 }; |
89 | 89 |
90 DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderScrollbarPart, isRenderScrollbarPart()); | 90 DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderScrollbarPart, isRenderScrollbarPart()); |
91 | 91 |
92 } // namespace blink | 92 } // namespace blink |
93 | 93 |
94 #endif // RenderScrollbarPart_h | 94 #endif // RenderScrollbarPart_h |
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