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Side by Side Diff: ui/events/blink/blink_event_util.cc

Issue 1218663006: Use new WebTouchPoint field names. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years, 5 months ago
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1 // Copyright 2015 The Chromium Authors. All rights reserved. 1 // Copyright 2015 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 // MSVC++ requires this to be set before any other includes to get M_PI. 5 // MSVC++ requires this to be set before any other includes to get M_PI.
6 #define _USE_MATH_DEFINES 6 #define _USE_MATH_DEFINES
7 7
8 #include "ui/events/blink/blink_event_util.h" 8 #include "ui/events/blink/blink_event_util.h"
9 9
10 #include <cmath> 10 #include <cmath>
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67 ? WebTouchPoint::StateReleased 67 ? WebTouchPoint::StateReleased
68 : WebTouchPoint::StateStationary; 68 : WebTouchPoint::StateStationary;
69 } 69 }
70 NOTREACHED() << "Invalid MotionEvent::Action."; 70 NOTREACHED() << "Invalid MotionEvent::Action.";
71 return WebTouchPoint::StateUndefined; 71 return WebTouchPoint::StateUndefined;
72 } 72 }
73 73
74 WebTouchPoint CreateWebTouchPoint(const MotionEvent& event, 74 WebTouchPoint CreateWebTouchPoint(const MotionEvent& event,
75 size_t pointer_index) { 75 size_t pointer_index) {
76 WebTouchPoint touch; 76 WebTouchPoint touch;
77 touch.id = event.GetPointerId(pointer_index); 77 touch.pointerId = event.GetPointerId(pointer_index);
78 touch.state = ToWebTouchPointState(event, pointer_index); 78 touch.state = ToWebTouchPointState(event, pointer_index);
79 touch.position.x = event.GetX(pointer_index); 79 touch.position.x = event.GetX(pointer_index);
80 touch.position.y = event.GetY(pointer_index); 80 touch.position.y = event.GetY(pointer_index);
81 touch.screenPosition.x = event.GetRawX(pointer_index); 81 touch.screenPosition.x = event.GetRawX(pointer_index);
82 touch.screenPosition.y = event.GetRawY(pointer_index); 82 touch.screenPosition.y = event.GetRawY(pointer_index);
83 83
84 // A note on touch ellipse specifications: 84 // A note on touch ellipse specifications:
85 // 85 //
86 // Android MotionEvent provides the major and minor axes of the touch ellipse, 86 // Android MotionEvent provides the major and minor axes of the touch ellipse,
87 // as well as the orientation of the major axis clockwise from vertical, in 87 // as well as the orientation of the major axis clockwise from vertical, in
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120 DCHECK_GT(orientation_deg, -90.01f); 120 DCHECK_GT(orientation_deg, -90.01f);
121 DCHECK_LT(orientation_deg, 90.01f); 121 DCHECK_LT(orientation_deg, 90.01f);
122 if (orientation_deg >= 90.f) 122 if (orientation_deg >= 90.f)
123 orientation_deg -= 180.f; 123 orientation_deg -= 180.f;
124 } 124 }
125 if (orientation_deg >= 0) { 125 if (orientation_deg >= 0) {
126 // The case orientation_deg == 0 is handled here on purpose: although the 126 // The case orientation_deg == 0 is handled here on purpose: although the
127 // 'else' block is equivalent in this case, we want to pass the 0 value 127 // 'else' block is equivalent in this case, we want to pass the 0 value
128 // unchanged (and 0 is the default value for many devices that don't 128 // unchanged (and 0 is the default value for many devices that don't
129 // report elliptical touches). 129 // report elliptical touches).
130 touch.radiusX = minor_radius; 130 touch.width = minor_radius;
131 touch.radiusY = major_radius; 131 touch.height = major_radius;
132 touch.rotationAngle = orientation_deg; 132 touch.rotationAngle = orientation_deg;
133 } else { 133 } else {
134 touch.radiusX = major_radius; 134 touch.width = major_radius;
135 touch.radiusY = minor_radius; 135 touch.height = minor_radius;
136 touch.rotationAngle = orientation_deg + 90; 136 touch.rotationAngle = orientation_deg + 90;
137 } 137 }
138 138
139 touch.force = event.GetPressure(pointer_index); 139 touch.pressure = event.GetPressure(pointer_index);
140 140
141 return touch; 141 return touch;
142 } 142 }
143 143
144 } // namespace 144 } // namespace
145 145
146 blink::WebTouchEvent CreateWebTouchEventFromMotionEvent( 146 blink::WebTouchEvent CreateWebTouchEventFromMotionEvent(
147 const MotionEvent& event, 147 const MotionEvent& event,
148 bool may_cause_scrolling) { 148 bool may_cause_scrolling) {
149 static_assert(static_cast<int>(MotionEvent::MAX_TOUCH_POINT_COUNT) == 149 static_assert(static_cast<int>(MotionEvent::MAX_TOUCH_POINT_COUNT) ==
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310 } 310 }
311 311
312 WebGestureEvent CreateWebGestureEventFromGestureEventData( 312 WebGestureEvent CreateWebGestureEventFromGestureEventData(
313 const GestureEventData& data) { 313 const GestureEventData& data) {
314 return CreateWebGestureEvent(data.details, data.time - base::TimeTicks(), 314 return CreateWebGestureEvent(data.details, data.time - base::TimeTicks(),
315 gfx::PointF(data.x, data.y), 315 gfx::PointF(data.x, data.y),
316 gfx::PointF(data.raw_x, data.raw_y), data.flags); 316 gfx::PointF(data.raw_x, data.raw_y), data.flags);
317 } 317 }
318 318
319 } // namespace ui 319 } // namespace ui
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