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1 /* | 1 /* |
2 * Copyright (C) 2004, 2005, 2006, 2009 Apple Inc. All rights reserved. | 2 * Copyright (C) 2004, 2005, 2006, 2009 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 |
11 * documentation and/or other materials provided with the distribution. | 11 * documentation and/or other materials provided with the distribution. |
12 * | 12 * |
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
24 */ | 24 */ |
25 | 25 |
26 #ifndef PlatformWheelEvent_h | 26 #ifndef PlatformWheelEvent_h |
27 #define PlatformWheelEvent_h | 27 #define PlatformWheelEvent_h |
28 | 28 |
29 #include "core/platform/PlatformEvent.h" | 29 #include "core/platform/PlatformEvent.h" |
30 #include "core/platform/graphics/IntPoint.h" | 30 #include "platform/geometry/IntPoint.h" |
31 | 31 |
32 namespace WebCore { | 32 namespace WebCore { |
33 | 33 |
34 class FloatPoint; | 34 class FloatPoint; |
35 class FloatSize; | 35 class FloatSize; |
36 | 36 |
37 // Wheel events come in two flavors: | 37 // Wheel events come in two flavors: |
38 // The ScrollByPixelWheelEvent is a fine-grained event that specifies the pr
ecise number of pixels to scroll. It is sent directly by MacBook touchpads on O
S X, | 38 // The ScrollByPixelWheelEvent is a fine-grained event that specifies the pr
ecise number of pixels to scroll. It is sent directly by MacBook touchpads on O
S X, |
39 // and synthesized in other cases where platforms generate line-by-line scro
lling events. | 39 // and synthesized in other cases where platforms generate line-by-line scro
lling events. |
40 // The ScrollByPageWheelEvent indicates that the wheel event should scroll a
n entire page. In this case WebCore's built in paging behavior is used to page | 40 // The ScrollByPageWheelEvent indicates that the wheel event should scroll a
n entire page. In this case WebCore's built in paging behavior is used to page |
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151 PlatformWheelEventPhase m_momentumPhase; | 151 PlatformWheelEventPhase m_momentumPhase; |
152 unsigned m_scrollCount; | 152 unsigned m_scrollCount; |
153 float m_unacceleratedScrollingDeltaX; | 153 float m_unacceleratedScrollingDeltaX; |
154 float m_unacceleratedScrollingDeltaY; | 154 float m_unacceleratedScrollingDeltaY; |
155 #endif | 155 #endif |
156 }; | 156 }; |
157 | 157 |
158 } // namespace WebCore | 158 } // namespace WebCore |
159 | 159 |
160 #endif // PlatformWheelEvent_h | 160 #endif // PlatformWheelEvent_h |
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