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| 1 /* | 1 /* |
| 2 * Copyright (C) 2004, 2006 Apple Computer, Inc. All rights reserved. | 2 * Copyright (C) 2004, 2006 Apple Computer, 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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| 35 | 35 |
| 36 namespace WebCore { | 36 namespace WebCore { |
| 37 | 37 |
| 38 class GraphicsContext; | 38 class GraphicsContext; |
| 39 class IntRect; | 39 class IntRect; |
| 40 class ScrollbarClient; | 40 class ScrollbarClient; |
| 41 class ScrollbarTheme; | 41 class ScrollbarTheme; |
| 42 class PlatformMouseEvent; | 42 class PlatformMouseEvent; |
| 43 | 43 |
| 44 // These match the numbers we use over in WebKit (WebFrameView.m). | 44 // These match the numbers we use over in WebKit (WebFrameView.m). |
| 45 const int cScrollbarPixelsPerLineStep = 40; | 45 const int cScrollbarPixelsPerLineStep = 40; |
| 46 const float cMouseWheelPixelsPerLineStep = 40.0f / 3.0f; | |
| 47 const int cAmountToKeepWhenPaging = 40; | 46 const int cAmountToKeepWhenPaging = 40; |
| 48 | 47 |
| 49 class Scrollbar : public Widget, public RefCounted<Scrollbar> { | 48 class Scrollbar : public Widget, public RefCounted<Scrollbar> { |
| 50 protected: | 49 protected: |
| 51 Scrollbar(ScrollbarClient*, ScrollbarOrientation, ScrollbarControlSize, Scro
llbarTheme* = 0); | 50 Scrollbar(ScrollbarClient*, ScrollbarOrientation, ScrollbarControlSize, Scro
llbarTheme* = 0); |
| 52 | 51 |
| 53 public: | 52 public: |
| 54 virtual ~Scrollbar(); | 53 virtual ~Scrollbar(); |
| 55 | 54 |
| 56 // Must be implemented by platforms that can't simply use the Scrollbar base
class. Right now the only platform that is not using the base class is GTK. | 55 // Must be implemented by platforms that can't simply use the Scrollbar base
class. Right now the only platform that is not using the base class is GTK. |
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| 159 | 158 |
| 160 Timer<Scrollbar> m_scrollTimer; | 159 Timer<Scrollbar> m_scrollTimer; |
| 161 bool m_overlapsResizer; | 160 bool m_overlapsResizer; |
| 162 | 161 |
| 163 bool m_suppressInvalidation; | 162 bool m_suppressInvalidation; |
| 164 }; | 163 }; |
| 165 | 164 |
| 166 } | 165 } |
| 167 | 166 |
| 168 #endif | 167 #endif |
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