third_party/WebKit/Source/platform/scroll/ScrollbarTheme.h - Issue 2734483002: Reland Change minimum length of Aura overlay scrollbars.

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Issue 2734483002: Reland Change minimum length of Aura overlay scrollbars. (Closed)

Patch Set: Fix breakage on Android Created 3 years, 8 months 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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139 ScrollbarPart,	139 ScrollbarPart,

140 bool painting = false) = 0;	140 bool painting = false) = 0;

141 virtual IntRect forwardButtonRect(const ScrollbarThemeClient&,	141 virtual IntRect forwardButtonRect(const ScrollbarThemeClient&,

142 ScrollbarPart,	142 ScrollbarPart,

143 bool painting = false) = 0;	143 bool painting = false) = 0;

144 virtual IntRect trackRect(const ScrollbarThemeClient&,	144 virtual IntRect trackRect(const ScrollbarThemeClient&,

145 bool painting = false) = 0;	145 bool painting = false) = 0;

146 virtual IntRect thumbRect(const ScrollbarThemeClient&);	146 virtual IntRect thumbRect(const ScrollbarThemeClient&);

147 virtual int thumbThickness(const ScrollbarThemeClient&);	147 virtual int thumbThickness(const ScrollbarThemeClient&);

148	148

149 virtual int minimumThumbLength(const ScrollbarThemeClient&);	149 virtual int minimumThumbLength(const ScrollbarThemeClient&) = 0;

150	150

151 virtual void splitTrack(const ScrollbarThemeClient&,	151 virtual void splitTrack(const ScrollbarThemeClient&,

152 const IntRect& track,	152 const IntRect& track,

153 IntRect& startTrack,	153 IntRect& startTrack,

154 IntRect& thumb,	154 IntRect& thumb,

155 IntRect& endTrack);	155 IntRect& endTrack);

156	156

157 virtual void paintScrollbarBackground(GraphicsContext&, const Scrollbar&) {}	157 virtual void paintScrollbarBackground(GraphicsContext&, const Scrollbar&) {}

158 virtual void paintTrackBackground(GraphicsContext&,	158 virtual void paintTrackBackground(GraphicsContext&,

159 const Scrollbar&,	159 const Scrollbar&,

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214 static DisplayItem::Type trackPiecePartToDisplayItemType(ScrollbarPart);	214 static DisplayItem::Type trackPiecePartToDisplayItemType(ScrollbarPart);

215	215

216 private:	216 private:

217 static ScrollbarTheme&	217 static ScrollbarTheme&

218 nativeTheme(); // Must be implemented to return the correct theme subclass.	218 nativeTheme(); // Must be implemented to return the correct theme subclass.

219 static bool gMockScrollbarsEnabled;	219 static bool gMockScrollbarsEnabled;

220 };	220 };

221	221

222 } // namespace blink	222 } // namespace blink

223 #endif	223 #endif

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