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Side by Side Diff: content/browser/renderer_host/input/touch_event_queue.cc

Issue 1417803002: Pass MotionEvent tilt angles to Blink on Android. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Bug reference Created 5 years, 1 month ago
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1 // Copyright 2013 The Chromium Authors. All rights reserved. 1 // Copyright 2013 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 "content/browser/renderer_host/input/touch_event_queue.h" 5 #include "content/browser/renderer_host/input/touch_event_queue.h"
6 6
7 #include "base/auto_reset.h" 7 #include "base/auto_reset.h"
8 #include "base/metrics/histogram_macros.h" 8 #include "base/metrics/histogram_macros.h"
9 #include "base/stl_util.h" 9 #include "base/stl_util.h"
10 #include "base/trace_event/trace_event.h" 10 #include "base/trace_event/trace_event.h"
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49 49
50 // Compare all properties of touch points to determine the state. 50 // Compare all properties of touch points to determine the state.
51 bool HasPointChanged(const WebTouchPoint& point_1, 51 bool HasPointChanged(const WebTouchPoint& point_1,
52 const WebTouchPoint& point_2) { 52 const WebTouchPoint& point_2) {
53 DCHECK_EQ(point_1.id, point_2.id); 53 DCHECK_EQ(point_1.id, point_2.id);
54 if (point_1.screenPosition != point_2.screenPosition || 54 if (point_1.screenPosition != point_2.screenPosition ||
55 point_1.position != point_2.position || 55 point_1.position != point_2.position ||
56 point_1.radiusX != point_2.radiusX || 56 point_1.radiusX != point_2.radiusX ||
57 point_1.radiusY != point_2.radiusY || 57 point_1.radiusY != point_2.radiusY ||
58 point_1.rotationAngle != point_2.rotationAngle || 58 point_1.rotationAngle != point_2.rotationAngle ||
59 point_1.force != point_2.force) { 59 point_1.force != point_2.force ||
60 point_1.tiltX != point_2.tiltX ||
61 point_1.tiltY != point_2.tiltY) {
60 return true; 62 return true;
61 } 63 }
62 return false; 64 return false;
63 } 65 }
64 66
65 } // namespace 67 } // namespace
66 68
67 69
68 // Cancels a touch sequence if a touchstart or touchmove ack response is 70 // Cancels a touch sequence if a touchstart or touchmove ack response is
69 // sufficiently delayed. 71 // sufficiently delayed.
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872 if (ack_result == INPUT_EVENT_ACK_STATE_CONSUMED) 874 if (ack_result == INPUT_EVENT_ACK_STATE_CONSUMED)
873 send_touch_events_async_ = false; 875 send_touch_events_async_ = false;
874 has_handler_for_current_sequence_ |= 876 has_handler_for_current_sequence_ |=
875 ack_result != INPUT_EVENT_ACK_STATE_NO_CONSUMER_EXISTS; 877 ack_result != INPUT_EVENT_ACK_STATE_NO_CONSUMER_EXISTS;
876 } else if (WebTouchEventTraits::IsTouchSequenceEnd(event)) { 878 } else if (WebTouchEventTraits::IsTouchSequenceEnd(event)) {
877 has_handler_for_current_sequence_ = false; 879 has_handler_for_current_sequence_ = false;
878 } 880 }
879 } 881 }
880 882
881 } // namespace content 883 } // namespace content
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