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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 "platform/PlatformEvent.h" | 29 #include "sky/engine/platform/PlatformEvent.h" |
| 30 #include "platform/geometry/IntPoint.h" | 30 #include "sky/engine/platform/geometry/IntPoint.h" |
| 31 | 31 |
| 32 namespace blink { | 32 namespace blink { |
| 33 | 33 |
| 34 // Wheel events come in two flavors: | 34 // Wheel events come in two flavors: |
| 35 // The ScrollByPixelWheelEvent is a fine-grained event that specifies the precis
e number of pixels to scroll. It is sent directly by MacBook touchpads on OS X, | 35 // The ScrollByPixelWheelEvent is a fine-grained event that specifies the precis
e number of pixels to scroll. It is sent directly by MacBook touchpads on OS X, |
| 36 // and synthesized in other cases where platforms generate line-by-line scrollin
g events. | 36 // and synthesized in other cases where platforms generate line-by-line scrollin
g events. |
| 37 // The ScrollByPageWheelEvent indicates that the wheel event should scroll an en
tire page. In this case WebCore's built in paging behavior is used to page | 37 // The ScrollByPageWheelEvent indicates that the wheel event should scroll an en
tire page. In this case WebCore's built in paging behavior is used to page |
| 38 // up and down (you get the same behavior as if the user was clicking in a scrol
lbar track to page up or page down). | 38 // up and down (you get the same behavior as if the user was clicking in a scrol
lbar track to page up or page down). |
| 39 enum PlatformWheelEventGranularity { | 39 enum PlatformWheelEventGranularity { |
| 40 ScrollByPageWheelEvent, | 40 ScrollByPageWheelEvent, |
| (...skipping 48 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 89 float m_deltaY; | 89 float m_deltaY; |
| 90 float m_wheelTicksX; | 90 float m_wheelTicksX; |
| 91 float m_wheelTicksY; | 91 float m_wheelTicksY; |
| 92 PlatformWheelEventGranularity m_granularity; | 92 PlatformWheelEventGranularity m_granularity; |
| 93 bool m_hasPreciseScrollingDeltas; | 93 bool m_hasPreciseScrollingDeltas; |
| 94 }; | 94 }; |
| 95 | 95 |
| 96 } // namespace blink | 96 } // namespace blink |
| 97 | 97 |
| 98 #endif // PlatformWheelEvent_h | 98 #endif // PlatformWheelEvent_h |
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