Source/core/platform/ScrollbarTheme.h - Issue 51673005: Remove unnecessary dependency upon ScrollView from the ScrollbarTheme classes.

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Issue 51673005: Remove unnecessary dependency upon ScrollView from the ScrollbarTheme classes. (Closed) Base URL: https://chromium.googlesource.com/chromium/blink@master

Patch Set: Remove redefinition of scrollOffset Created 7 years, 1 month ago

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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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70 if (mask & ForwardTrackPart)	70 if (mask & ForwardTrackPart)

71 invalidatePart(scrollbar, ForwardTrackPart);	71 invalidatePart(scrollbar, ForwardTrackPart);

72 if (mask & BackButtonEndPart)	72 if (mask & BackButtonEndPart)

73 invalidatePart(scrollbar, BackButtonEndPart);	73 invalidatePart(scrollbar, BackButtonEndPart);

74 if (mask & ForwardButtonEndPart)	74 if (mask & ForwardButtonEndPart)

75 invalidatePart(scrollbar, ForwardButtonEndPart);	75 invalidatePart(scrollbar, ForwardButtonEndPart);

76 }	76 }

77	77

78 virtual void invalidatePart(ScrollbarThemeClient*, ScrollbarPart);	78 virtual void invalidatePart(ScrollbarThemeClient*, ScrollbarPart);

79	79

80 virtual void paintScrollCorner(ScrollView, GraphicsContext, const IntRect& cornerRect);	80 virtual void paintScrollCorner(GraphicsContext*, const IntRect& cornerRect);

81	81

82 virtual void paintTickmarks(GraphicsContext, ScrollbarThemeClient, const I ntRect&) { }	82 virtual void paintTickmarks(GraphicsContext, ScrollbarThemeClient, const I ntRect&) { }

83 virtual void paintOverhangBackground(ScrollView, GraphicsContext, const In tRect&, const IntRect&, const IntRect&);	83 virtual void paintOverhangBackground(GraphicsContext*, const IntRect&, const IntRect&, const IntRect&);

84 virtual void paintOverhangShadows(ScrollView, GraphicsContext, const IntRe ct&, const IntRect&, const IntRect&) { }	84 virtual void paintOverhangShadows(GraphicsContext*, const IntSize&, const In tRect&, const IntRect&, const IntRect&) { }

85	85

86 virtual bool shouldCenterOnThumb(ScrollbarThemeClient*, const PlatformMouseE vent&) { return false; }	86 virtual bool shouldCenterOnThumb(ScrollbarThemeClient*, const PlatformMouseE vent&) { return false; }

87 virtual bool shouldSnapBackToDragOrigin(ScrollbarThemeClient*, const Platfor mMouseEvent&) { return false; }	87 virtual bool shouldSnapBackToDragOrigin(ScrollbarThemeClient*, const Platfor mMouseEvent&) { return false; }

88 virtual bool shouldDragDocumentInsteadOfThumb(ScrollbarThemeClient*, const P latformMouseEvent&) { return false; }	88 virtual bool shouldDragDocumentInsteadOfThumb(ScrollbarThemeClient*, const P latformMouseEvent&) { return false; }

89	89

90 // The position of the thumb relative to the track.	90 // The position of the thumb relative to the track.

91 virtual int thumbPosition(ScrollbarThemeClient*);	91 virtual int thumbPosition(ScrollbarThemeClient*);

92 // The length of the thumb along the axis of the scrollbar.	92 // The length of the thumb along the axis of the scrollbar.

93 virtual int thumbLength(ScrollbarThemeClient*);	93 virtual int thumbLength(ScrollbarThemeClient*);

94 // The position of the track relative to the scrollbar.	94 // The position of the track relative to the scrollbar.

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132 static void setMockScrollbarsEnabled(bool flag);	132 static void setMockScrollbarsEnabled(bool flag);

133 static bool mockScrollbarsEnabled();	133 static bool mockScrollbarsEnabled();

134	134

135 private:	135 private:

136 static ScrollbarTheme* nativeTheme(); // Must be implemented to return the c orrect theme subclass.	136 static ScrollbarTheme* nativeTheme(); // Must be implemented to return the c orrect theme subclass.

137 static bool gMockScrollbarsEnabled;	137 static bool gMockScrollbarsEnabled;

138 };	138 };

139	139

140 }	140 }

141 #endif	141 #endif

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