third_party/WebKit/Source/platform/scroll/ScrollbarTheme.h - Issue 1406133005: Calculate paint invalidation rect for scrollbars

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Issue 1406133005: Calculate paint invalidation rect for scrollbars (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: NeedsRebaselines for mac and windows etc Created 5 years, 1 month ago

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« third_party/WebKit/Source/core/paint/PaintInvalidationCapableScrollableArea.h ('K') | « third_party/WebKit/Source/platform/scroll/Scrollbar.cpp ('k') | third_party/WebKit/Source/platform/scroll/ScrollbarTheme.cpp » ('j') | no next file with comments »
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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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55 virtual int scrollbarMargin() const { return 0; }	55 virtual int scrollbarMargin() const { return 0; }

56	56

57 virtual ScrollbarButtonsPlacement buttonsPlacement() const { return Scrollba rButtonsPlacementSingle; }	57 virtual ScrollbarButtonsPlacement buttonsPlacement() const { return Scrollba rButtonsPlacementSingle; }

58	58

59 virtual bool supportsControlTints() const { return false; }	59 virtual bool supportsControlTints() const { return false; }

60 virtual bool usesOverlayScrollbars() const { return false; }	60 virtual bool usesOverlayScrollbars() const { return false; }

61 virtual void updateScrollbarOverlayStyle(const ScrollbarThemeClient*) { }	61 virtual void updateScrollbarOverlayStyle(const ScrollbarThemeClient*) { }

62	62

63 virtual bool invalidateOnMouseEnterExit() { return false; }	63 virtual bool invalidateOnMouseEnterExit() { return false; }

64	64

65 void invalidateParts(ScrollbarThemeClient* scrollbar, ScrollbarControlPartMa sk mask)

66 {

67 if (mask & BackButtonStartPart)

68 invalidatePart(scrollbar, BackButtonStartPart);

69 if (mask & ForwardButtonStartPart)

70 invalidatePart(scrollbar, ForwardButtonStartPart);

71 if (mask & BackTrackPart)

72 invalidatePart(scrollbar, BackTrackPart);

73 if (mask & ThumbPart)

74 invalidatePart(scrollbar, ThumbPart);

75 if (mask & ForwardTrackPart)

76 invalidatePart(scrollbar, ForwardTrackPart);

77 if (mask & BackButtonEndPart)

78 invalidatePart(scrollbar, BackButtonEndPart);

79 if (mask & ForwardButtonEndPart)

80 invalidatePart(scrollbar, ForwardButtonEndPart);

81 }

82

83 virtual void invalidatePart(ScrollbarThemeClient*, ScrollbarPart);

84

85 virtual void paintScrollCorner(GraphicsContext*, const DisplayItemClientWrap per&, const IntRect& cornerRect);	65 virtual void paintScrollCorner(GraphicsContext*, const DisplayItemClientWrap per&, const IntRect& cornerRect);

86 virtual void paintTickmarks(GraphicsContext, const ScrollbarThemeClient, c onst IntRect&) { }	66 virtual void paintTickmarks(GraphicsContext, const ScrollbarThemeClient, c onst IntRect&) { }

87	67

88 virtual bool shouldCenterOnThumb(const ScrollbarThemeClient*, const Platform MouseEvent&);	68 virtual bool shouldCenterOnThumb(const ScrollbarThemeClient*, const Platform MouseEvent&);

89 virtual bool shouldSnapBackToDragOrigin(const ScrollbarThemeClient*, const P latformMouseEvent&);	69 virtual bool shouldSnapBackToDragOrigin(const ScrollbarThemeClient*, const P latformMouseEvent&);

90 virtual bool shouldDragDocumentInsteadOfThumb(const ScrollbarThemeClient*, c onst PlatformMouseEvent&) { return false; }	70 virtual bool shouldDragDocumentInsteadOfThumb(const ScrollbarThemeClient*, c onst PlatformMouseEvent&) { return false; }

91	71

92 // The position of the thumb relative to the track.	72 // The position of the thumb relative to the track.

93 virtual int thumbPosition(const ScrollbarThemeClient*);	73 virtual int thumbPosition(const ScrollbarThemeClient*);

94 // The length of the thumb along the axis of the scrollbar.	74 // The length of the thumb along the axis of the scrollbar.

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138 static DisplayItem::Type buttonPartToDisplayItemType(ScrollbarPart);	118 static DisplayItem::Type buttonPartToDisplayItemType(ScrollbarPart);

139 static DisplayItem::Type trackPiecePartToDisplayItemType(ScrollbarPart);	119 static DisplayItem::Type trackPiecePartToDisplayItemType(ScrollbarPart);

140	120

141 private:	121 private:

142 static ScrollbarTheme* nativeTheme(); // Must be implemented to return the c orrect theme subclass.	122 static ScrollbarTheme* nativeTheme(); // Must be implemented to return the c orrect theme subclass.

143 static bool gMockScrollbarsEnabled;	123 static bool gMockScrollbarsEnabled;

144 };	124 };

145	125

146 }	126 }

147 #endif	127 #endif

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