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1 /* | 1 /* |
2 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights
reserved. | 2 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 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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35 | 35 |
36 namespace blink { | 36 namespace blink { |
37 | 37 |
38 class CullRect; | 38 class CullRect; |
39 class DisplayItemClient; | 39 class DisplayItemClient; |
40 class LocalFrame; | 40 class LocalFrame; |
41 class GraphicsContext; | 41 class GraphicsContext; |
42 class LayoutBlock; | 42 class LayoutBlock; |
43 class LayoutViewItem; | 43 class LayoutViewItem; |
44 | 44 |
45 enum class CaretVisibility { Visible, Hidden }; | |
46 | |
47 class CORE_EXPORT CaretBase : public GarbageCollectedFinalized<CaretBase>, publi
c DisplayItemClient { | 45 class CORE_EXPORT CaretBase : public GarbageCollectedFinalized<CaretBase>, publi
c DisplayItemClient { |
48 WTF_MAKE_NONCOPYABLE(CaretBase); | 46 WTF_MAKE_NONCOPYABLE(CaretBase); |
49 public: | 47 public: |
50 explicit CaretBase(CaretVisibility = CaretVisibility::Hidden); | 48 CaretBase(); |
51 virtual ~CaretBase(); | 49 virtual ~CaretBase(); |
52 | 50 |
53 void invalidateCaretRect(Node*); | 51 void invalidateCaretRect(Node*); |
54 void clearCaretRect(); | 52 void clearCaretRect(); |
55 // Creating VisiblePosition causes synchronous layout so we should use the | 53 // Creating VisiblePosition causes synchronous layout so we should use the |
56 // PositionWithAffinity version if possible. | 54 // PositionWithAffinity version if possible. |
57 // A position in HTMLTextFromControlElement is a typical example. | 55 // A position in HTMLTextFromControlElement is a typical example. |
58 bool updateCaretRect(const PositionWithAffinity& caretPosition); | 56 bool updateCaretRect(const PositionWithAffinity& caretPosition); |
59 bool updateCaretRect(const VisiblePosition& caretPosition); | 57 bool updateCaretRect(const VisiblePosition& caretPosition); |
60 IntRect absoluteBoundsForLocalRect(Node*, const LayoutRect&) const; | 58 IntRect absoluteBoundsForLocalRect(Node*, const LayoutRect&) const; |
61 bool shouldRepaintCaret(Node&) const; | 59 bool shouldRepaintCaret(Node&) const; |
62 bool shouldRepaintCaret(const LayoutViewItem) const; | 60 bool shouldRepaintCaret(const LayoutViewItem) const; |
63 void paintCaret(Node*, GraphicsContext&, const LayoutPoint&, DisplayItem::Ty
pe) const; | 61 void paintCaret(Node*, GraphicsContext&, const LayoutPoint&, DisplayItem::Ty
pe) const; |
64 | 62 |
65 const LayoutRect& localCaretRectWithoutUpdate() const { return m_caretLocalR
ect; } | 63 const LayoutRect& localCaretRectWithoutUpdate() const { return m_caretLocalR
ect; } |
66 | 64 |
67 virtual void setCaretVisibility(CaretVisibility); | |
68 bool caretIsVisible() const { return m_caretVisibility == CaretVisibility::V
isible; } | |
69 CaretVisibility getCaretVisibility() const { return m_caretVisibility; } | |
70 | |
71 static LayoutBlock* caretLayoutObject(Node*); | 65 static LayoutBlock* caretLayoutObject(Node*); |
72 void invalidateLocalCaretRect(Node*, const LayoutRect&); | 66 void invalidateLocalCaretRect(Node*, const LayoutRect&); |
73 | 67 |
74 // DisplayItemClient methods. | 68 // DisplayItemClient methods. |
75 LayoutRect visualRect() const override; | 69 LayoutRect visualRect() const override; |
76 String debugName() const final; | 70 String debugName() const final; |
77 | 71 |
78 DECLARE_VIRTUAL_TRACE(); | 72 DECLARE_VIRTUAL_TRACE(); |
79 | 73 |
80 private: | 74 private: |
81 LayoutRect m_caretLocalRect; // caret rect in coords local to the layoutObje
ct responsible for painting the caret | 75 LayoutRect m_caretLocalRect; // caret rect in coords local to the layoutObje
ct responsible for painting the caret |
82 CaretVisibility m_caretVisibility; | |
83 LayoutRect m_visualRect; | 76 LayoutRect m_visualRect; |
84 }; | 77 }; |
85 | 78 |
86 } // namespace blink | 79 } // namespace blink |
87 | 80 |
88 #endif // CaretBase_h | 81 #endif // CaretBase_h |
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