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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "ui/events/blink/web_input_event_traits.h" | 5 #include "ui/events/blink/web_input_event_traits.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 #include "base/strings/stringprintf.h" | 8 #include "base/strings/stringprintf.h" |
9 #include "third_party/WebKit/public/platform/WebGestureEvent.h" | 9 #include "third_party/WebKit/public/platform/WebGestureEvent.h" |
10 #include "third_party/WebKit/public/platform/WebKeyboardEvent.h" | 10 #include "third_party/WebKit/public/platform/WebKeyboardEvent.h" |
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213 case WebInputEvent::kTouchMove: | 213 case WebInputEvent::kTouchMove: |
214 // Non-blocking touch moves can be ack'd right away if raf_aligned | 214 // Non-blocking touch moves can be ack'd right away if raf_aligned |
215 // touch is enabled. | 215 // touch is enabled. |
216 if (raf_aligned_touch_enabled) { | 216 if (raf_aligned_touch_enabled) { |
217 return static_cast<const WebTouchEvent&>(event).dispatch_type == | 217 return static_cast<const WebTouchEvent&>(event).dispatch_type == |
218 WebInputEvent::kBlocking; | 218 WebInputEvent::kBlocking; |
219 } | 219 } |
220 // Touch move events may be non-blocking but are always explicitly | 220 // Touch move events may be non-blocking but are always explicitly |
221 // acknowledge by the renderer so they block the event stream. | 221 // acknowledge by the renderer so they block the event stream. |
222 return true; | 222 return true; |
| 223 |
| 224 case WebInputEvent::kMouseWheel: |
| 225 return static_cast<const WebMouseWheelEvent&>(event).dispatch_type == |
| 226 WebInputEvent::kBlocking; |
| 227 |
223 default: | 228 default: |
224 return true; | 229 return true; |
225 } | 230 } |
226 } | 231 } |
227 | 232 |
228 bool WebInputEventTraits::CanCauseScroll( | 233 bool WebInputEventTraits::CanCauseScroll( |
229 const blink::WebMouseWheelEvent& event) { | 234 const blink::WebMouseWheelEvent& event) { |
230 #if defined(USE_AURA) | 235 #if defined(USE_AURA) |
231 // Scroll events generated from the mouse wheel when the control key is held | 236 // Scroll events generated from the mouse wheel when the control key is held |
232 // don't trigger scrolling. Instead, they may cause zooming. | 237 // don't trigger scrolling. Instead, they may cause zooming. |
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254 source_event_type = SourceEventType::WHEEL; | 259 source_event_type = SourceEventType::WHEEL; |
255 } else if (event.source_device == | 260 } else if (event.source_device == |
256 blink::WebGestureDevice::kWebGestureDeviceTouchscreen) { | 261 blink::WebGestureDevice::kWebGestureDeviceTouchscreen) { |
257 source_event_type = SourceEventType::TOUCH; | 262 source_event_type = SourceEventType::TOUCH; |
258 } | 263 } |
259 LatencyInfo latency_info(source_event_type); | 264 LatencyInfo latency_info(source_event_type); |
260 return latency_info; | 265 return latency_info; |
261 } | 266 } |
262 | 267 |
263 } // namespace ui | 268 } // namespace ui |
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