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| 1 /* | 1 /* |
| 2 * Copyright (C) 2011 Apple Inc. All rights reserved. | 2 * Copyright (C) 2011 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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| 175 ASSERT(m_type == PlatformEvent::GestureScrollUpdate); | 175 ASSERT(m_type == PlatformEvent::GestureScrollUpdate); |
| 176 return true; | 176 return true; |
| 177 } | 177 } |
| 178 | 178 |
| 179 float scale() const { | 179 float scale() const { |
| 180 ASSERT(m_type == PlatformEvent::GesturePinchUpdate); | 180 ASSERT(m_type == PlatformEvent::GesturePinchUpdate); |
| 181 return m_data.m_pinchUpdate.m_scale; | 181 return m_data.m_pinchUpdate.m_scale; |
| 182 } | 182 } |
| 183 | 183 |
| 184 void applyTouchAdjustment(const IntPoint& adjustedPosition) { | 184 void applyTouchAdjustment(const IntPoint& adjustedPosition) { |
| 185 // Update the window-relative position of the event so that the node that wa
s | 185 // Update the window-relative position of the event so that the node that |
| 186 // ultimately hit is under this point (i.e. elementFromPoint for the client | 186 // was ultimately hit is under this point (i.e. elementFromPoint for the |
| 187 // co-ordinates in a 'click' event should yield the target). The global | 187 // client co-ordinates in a 'click' event should yield the target). The |
| 188 // position is intentionally left unmodified because it's intended to reflec
t | 188 // global position is intentionally left unmodified because it's intended to |
| 189 // raw co-ordinates unrelated to any content. | 189 // reflect raw co-ordinates unrelated to any content. |
| 190 m_position = adjustedPosition; | 190 m_position = adjustedPosition; |
| 191 } | 191 } |
| 192 | 192 |
| 193 bool isScrollEvent() const { | 193 bool isScrollEvent() const { |
| 194 switch (m_type) { | 194 switch (m_type) { |
| 195 case GestureScrollBegin: | 195 case GestureScrollBegin: |
| 196 case GestureScrollEnd: | 196 case GestureScrollEnd: |
| 197 case GestureScrollUpdate: | 197 case GestureScrollUpdate: |
| 198 case GestureFlingStart: | 198 case GestureFlingStart: |
| 199 case GesturePinchBegin: | 199 case GesturePinchBegin: |
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| 246 float m_scale; | 246 float m_scale; |
| 247 } m_pinchUpdate; | 247 } m_pinchUpdate; |
| 248 } m_data; | 248 } m_data; |
| 249 | 249 |
| 250 uint32_t m_uniqueTouchEventId; | 250 uint32_t m_uniqueTouchEventId; |
| 251 }; | 251 }; |
| 252 | 252 |
| 253 } // namespace blink | 253 } // namespace blink |
| 254 | 254 |
| 255 #endif // PlatformGestureEvent_h | 255 #endif // PlatformGestureEvent_h |
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