Source/core/editing/Caret.h - Issue 20681004: Make first-letter style to work with editing

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Issue 20681004: Make first-letter style to work with editing Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: 2013-09-20T18:27:32 Created 7 years, 3 months ago

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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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38 class RenderObject;	38 class RenderObject;

39 class RenderView;	39 class RenderView;

40	40

41 class CaretBase {	41 class CaretBase {

42 WTF_MAKE_NONCOPYABLE(CaretBase);	42 WTF_MAKE_NONCOPYABLE(CaretBase);

43 WTF_MAKE_FAST_ALLOCATED;	43 WTF_MAKE_FAST_ALLOCATED;

44 protected:	44 protected:

45 enum CaretVisibility { Visible, Hidden };	45 enum CaretVisibility { Visible, Hidden };

46 explicit CaretBase(CaretVisibility = Hidden);	46 explicit CaretBase(CaretVisibility = Hidden);

47	47

48 void invalidateCaretRect(Node*, bool caretRectChanged = false);	48 void invalidateCaretRect(const Position&, bool caretRectChanged = false);

49 void clearCaretRect();	49 void clearCaretRect();

50 bool updateCaretRect(Document*, const VisiblePosition& caretPosition);	50 bool updateCaretRect(Document*, const VisiblePosition& caretPosition);

51 IntRect absoluteBoundsForLocalRect(Node*, const LayoutRect&) const;	51 IntRect absoluteBoundsForLocalRect(const Position&, const LayoutRect&) const ;

52 bool shouldRepaintCaret(const RenderView*, bool isContentEditable) const;	52 bool shouldRepaintCaret(const RenderView*, bool isContentEditable) const;

53 void paintCaret(Node, GraphicsContext, const LayoutPoint&, const LayoutRec t& clipRect) const;	53 void paintCaret(const Position&, GraphicsContext*, const LayoutPoint&, const LayoutRect& clipRect) const;

54	54

55 const LayoutRect& localCaretRectWithoutUpdate() const { return m_caretLocalR ect; }	55 const LayoutRect& localCaretRectWithoutUpdate() const { return m_caretLocalR ect; }

56	56

57 bool shouldUpdateCaretRect() const { return m_caretRectNeedsUpdate; }	57 bool shouldUpdateCaretRect() const { return m_caretRectNeedsUpdate; }

58 void setCaretRectNeedsUpdate() { m_caretRectNeedsUpdate = true; }	58 void setCaretRectNeedsUpdate() { m_caretRectNeedsUpdate = true; }

59	59

60 void setCaretVisibility(CaretVisibility visibility) { m_caretVisibility = vi sibility; }	60 void setCaretVisibility(CaretVisibility visibility) { m_caretVisibility = vi sibility; }

61 bool caretIsVisible() const { return m_caretVisibility == Visible; }	61 bool caretIsVisible() const { return m_caretVisibility == Visible; }

62 CaretVisibility caretVisibility() const { return m_caretVisibility; }	62 CaretVisibility caretVisibility() const { return m_caretVisibility; }

63	63

64 protected:	64 protected:

65 static RenderObject* caretRenderer(Node*);	65 static RenderObject* caretRenderer(RenderObject*);

66 static void repaintCaretForLocalRect(Node*, const LayoutRect&);	66 static RenderObject* caretRenderer(const Position&);

	67 static void repaintCaretForLocalRect(const Position&, const LayoutRect&);

67	68

68 private:	69 private:

69 LayoutRect m_caretLocalRect; // caret rect in coords local to the renderer r esponsible for painting the caret	70 LayoutRect m_caretLocalRect; // caret rect in coords local to the renderer r esponsible for painting the caret

70 bool m_caretRectNeedsUpdate; // true if m_caretRect (and m_absCaretBounds in FrameSelection) need to be calculated	71 bool m_caretRectNeedsUpdate; // true if m_caretRect (and m_absCaretBounds in FrameSelection) need to be calculated

71 CaretVisibility m_caretVisibility;	72 CaretVisibility m_caretVisibility;

72 };	73 };

73	74

74 class DragCaretController : private CaretBase {	75 class DragCaretController : private CaretBase {

75 WTF_MAKE_NONCOPYABLE(DragCaretController);	76 WTF_MAKE_NONCOPYABLE(DragCaretController);

76 WTF_MAKE_FAST_ALLOCATED;	77 WTF_MAKE_FAST_ALLOCATED;

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93 private:	94 private:

94 DragCaretController();	95 DragCaretController();

95	96

96 VisiblePosition m_position;	97 VisiblePosition m_position;

97 };	98 };

98	99

99 } // namespace WebCore	100 } // namespace WebCore

100	101

101	102

102 #endif // Caret_h	103 #endif // Caret_h

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« Source/core/dom/PositionIterator.cpp ('K') | « Source/core/dom/PositionIterator.cpp ('k') | Source/core/editing/Caret.cpp » ('j') | Source/core/editing/Caret.cpp » ('J')