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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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29 #include "core/platform/ScrollTypes.h" | 29 #include "core/platform/ScrollTypes.h" |
30 #include "core/platform/graphics/GraphicsContext.h" | 30 #include "core/platform/graphics/GraphicsContext.h" |
31 #include "core/platform/graphics/IntRect.h" | 31 #include "core/platform/graphics/IntRect.h" |
32 | 32 |
33 namespace WebCore { | 33 namespace WebCore { |
34 | 34 |
35 class PlatformMouseEvent; | 35 class PlatformMouseEvent; |
36 class ScrollbarThemeClient; | 36 class ScrollbarThemeClient; |
37 class ScrollView; | 37 class ScrollView; |
38 | 38 |
39 #if ENABLE(RUBBER_BANDING) | 39 #if USE(RUBBER_BANDING) |
40 class GraphicsLayer; | 40 class GraphicsLayer; |
41 #endif | 41 #endif |
42 | 42 |
43 class ScrollbarTheme { | 43 class ScrollbarTheme { |
44 WTF_MAKE_NONCOPYABLE(ScrollbarTheme); WTF_MAKE_FAST_ALLOCATED; | 44 WTF_MAKE_NONCOPYABLE(ScrollbarTheme); WTF_MAKE_FAST_ALLOCATED; |
45 public: | 45 public: |
46 ScrollbarTheme() { } | 46 ScrollbarTheme() { } |
47 virtual ~ScrollbarTheme() { } | 47 virtual ~ScrollbarTheme() { } |
48 | 48 |
49 virtual void updateEnabledState(ScrollbarThemeClient*) { } | 49 virtual void updateEnabledState(ScrollbarThemeClient*) { } |
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80 } | 80 } |
81 | 81 |
82 virtual void invalidatePart(ScrollbarThemeClient*, ScrollbarPart); | 82 virtual void invalidatePart(ScrollbarThemeClient*, ScrollbarPart); |
83 | 83 |
84 virtual void paintScrollCorner(ScrollView*, GraphicsContext*, const IntRect&
cornerRect); | 84 virtual void paintScrollCorner(ScrollView*, GraphicsContext*, const IntRect&
cornerRect); |
85 | 85 |
86 virtual void paintTickmarks(GraphicsContext*, ScrollbarThemeClient*, const I
ntRect&) { } | 86 virtual void paintTickmarks(GraphicsContext*, ScrollbarThemeClient*, const I
ntRect&) { } |
87 virtual void paintOverhangBackground(ScrollView*, GraphicsContext*, const In
tRect&, const IntRect&, const IntRect&); | 87 virtual void paintOverhangBackground(ScrollView*, GraphicsContext*, const In
tRect&, const IntRect&, const IntRect&); |
88 virtual void paintOverhangShadows(ScrollView*, GraphicsContext*, const IntRe
ct&, const IntRect&, const IntRect&) { } | 88 virtual void paintOverhangShadows(ScrollView*, GraphicsContext*, const IntRe
ct&, const IntRect&, const IntRect&) { } |
89 | 89 |
90 #if ENABLE(RUBBER_BANDING) | 90 #if USE(RUBBER_BANDING) |
91 virtual void setUpOverhangShadowLayer(GraphicsLayer*) { } | 91 virtual void setUpOverhangShadowLayer(GraphicsLayer*) { } |
92 virtual void updateOverhangShadowLayer(GraphicsLayer* shadowLayer, GraphicsL
ayer* rootContentLayer) { } | 92 virtual void updateOverhangShadowLayer(GraphicsLayer* shadowLayer, GraphicsL
ayer* rootContentLayer) { } |
93 #endif | 93 #endif |
94 | 94 |
95 virtual bool shouldCenterOnThumb(ScrollbarThemeClient*, const PlatformMouseE
vent&) { return false; } | 95 virtual bool shouldCenterOnThumb(ScrollbarThemeClient*, const PlatformMouseE
vent&) { return false; } |
96 virtual bool shouldSnapBackToDragOrigin(ScrollbarThemeClient*, const Platfor
mMouseEvent&) { return false; } | 96 virtual bool shouldSnapBackToDragOrigin(ScrollbarThemeClient*, const Platfor
mMouseEvent&) { return false; } |
97 virtual bool shouldDragDocumentInsteadOfThumb(ScrollbarThemeClient*, const P
latformMouseEvent&) { return false; } | 97 virtual bool shouldDragDocumentInsteadOfThumb(ScrollbarThemeClient*, const P
latformMouseEvent&) { return false; } |
98 | 98 |
99 // The position of the thumb relative to the track. | 99 // The position of the thumb relative to the track. |
100 virtual int thumbPosition(ScrollbarThemeClient*); | 100 virtual int thumbPosition(ScrollbarThemeClient*); |
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137 virtual bool isMockTheme() const { return false; } | 137 virtual bool isMockTheme() const { return false; } |
138 | 138 |
139 static ScrollbarTheme* theme(); | 139 static ScrollbarTheme* theme(); |
140 | 140 |
141 private: | 141 private: |
142 static ScrollbarTheme* nativeTheme(); // Must be implemented to return the c
orrect theme subclass. | 142 static ScrollbarTheme* nativeTheme(); // Must be implemented to return the c
orrect theme subclass. |
143 }; | 143 }; |
144 | 144 |
145 } | 145 } |
146 #endif | 146 #endif |
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