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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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23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
24 */ | 24 */ |
25 | 25 |
26 #ifndef CaretBase_h | 26 #ifndef CaretBase_h |
27 #define CaretBase_h | 27 #define CaretBase_h |
28 | 28 |
29 #include "core/CoreExport.h" | 29 #include "core/CoreExport.h" |
30 #include "core/editing/VisiblePosition.h" | 30 #include "core/editing/VisiblePosition.h" |
31 #include "platform/geometry/IntRect.h" | 31 #include "platform/geometry/IntRect.h" |
32 #include "platform/geometry/LayoutRect.h" | 32 #include "platform/geometry/LayoutRect.h" |
| 33 #include "platform/graphics/paint/DisplayItem.h" |
33 #include "wtf/Noncopyable.h" | 34 #include "wtf/Noncopyable.h" |
34 | 35 |
35 namespace blink { | 36 namespace blink { |
36 | 37 |
37 class CullRect; | 38 class CullRect; |
| 39 class DisplayItemClient; |
38 class LocalFrame; | 40 class LocalFrame; |
39 class GraphicsContext; | 41 class GraphicsContext; |
40 class LayoutBlock; | 42 class LayoutBlock; |
41 class LayoutViewItem; | 43 class LayoutViewItem; |
42 | 44 |
43 enum class CaretVisibility { Visible, Hidden }; | 45 enum class CaretVisibility { Visible, Hidden }; |
44 | 46 |
45 class CORE_EXPORT CaretBase : public GarbageCollectedFinalized<CaretBase> { | 47 class CORE_EXPORT CaretBase : public GarbageCollectedFinalized<CaretBase> { |
46 WTF_MAKE_NONCOPYABLE(CaretBase); | 48 WTF_MAKE_NONCOPYABLE(CaretBase); |
47 public: | 49 public: |
48 explicit CaretBase(CaretVisibility = CaretVisibility::Hidden); | 50 explicit CaretBase(CaretVisibility = CaretVisibility::Hidden); |
49 virtual ~CaretBase(); | 51 virtual ~CaretBase(); |
50 | 52 |
51 void invalidateCaretRect(Node*, bool caretRectChanged = false); | 53 void invalidateCaretRect(Node*, bool caretRectChanged = false); |
52 void clearCaretRect(); | 54 void clearCaretRect(); |
53 // Creating VisiblePosition causes synchronous layout so we should use the | 55 // Creating VisiblePosition causes synchronous layout so we should use the |
54 // PositionWithAffinity version if possible. | 56 // PositionWithAffinity version if possible. |
55 // A position in HTMLTextFromControlElement is a typical example. | 57 // A position in HTMLTextFromControlElement is a typical example. |
56 bool updateCaretRect(const PositionWithAffinity& caretPosition); | 58 bool updateCaretRect(const PositionWithAffinity& caretPosition); |
57 bool updateCaretRect(const VisiblePosition& caretPosition); | 59 bool updateCaretRect(const VisiblePosition& caretPosition); |
58 IntRect absoluteBoundsForLocalRect(Node*, const LayoutRect&) const; | 60 IntRect absoluteBoundsForLocalRect(Node*, const LayoutRect&) const; |
59 bool shouldRepaintCaret(Node&) const; | 61 bool shouldRepaintCaret(Node&) const; |
60 bool shouldRepaintCaret(const LayoutViewItem) const; | 62 bool shouldRepaintCaret(const LayoutViewItem) const; |
61 void paintCaret(Node*, GraphicsContext&, const LayoutPoint&) const; | 63 void paintCaret(Node*, GraphicsContext&, const LayoutPoint&, DisplayItem::Ty
pe) const; |
62 | 64 |
63 const LayoutRect& localCaretRectWithoutUpdate() const { return m_caretLocalR
ect; } | 65 const LayoutRect& localCaretRectWithoutUpdate() const { return m_caretLocalR
ect; } |
64 | 66 |
65 virtual void setCaretVisibility(CaretVisibility); | 67 virtual void setCaretVisibility(CaretVisibility); |
66 bool caretIsVisible() const { return m_caretVisibility == CaretVisibility::V
isible; } | 68 bool caretIsVisible() const { return m_caretVisibility == CaretVisibility::V
isible; } |
67 CaretVisibility getCaretVisibility() const { return m_caretVisibility; } | 69 CaretVisibility getCaretVisibility() const { return m_caretVisibility; } |
68 | 70 |
69 static LayoutBlock* caretLayoutObject(Node*); | 71 static LayoutBlock* caretLayoutObject(Node*); |
70 static void invalidateLocalCaretRect(Node*, const LayoutRect&); | 72 static void invalidateLocalCaretRect(Node*, const LayoutRect&); |
71 | 73 |
72 DECLARE_VIRTUAL_TRACE(); | 74 DECLARE_VIRTUAL_TRACE(); |
73 | 75 |
74 private: | 76 private: |
| 77 static DisplayItemClient* displayItemClientForCaret(Node*); |
| 78 |
75 LayoutRect m_caretLocalRect; // caret rect in coords local to the layoutObje
ct responsible for painting the caret | 79 LayoutRect m_caretLocalRect; // caret rect in coords local to the layoutObje
ct responsible for painting the caret |
76 CaretVisibility m_caretVisibility; | 80 CaretVisibility m_caretVisibility; |
77 }; | 81 }; |
78 | 82 |
79 } // namespace blink | 83 } // namespace blink |
80 | 84 |
81 #endif // CaretBase_h | 85 #endif // CaretBase_h |
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