| OLD | NEW |
| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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. | |
| 6 #define _USE_MATH_DEFINES | |
| 7 | |
| 8 #include "content/browser/renderer_host/input/motion_event_web.h" | 5 #include "content/browser/renderer_host/input/motion_event_web.h" |
| 9 | 6 |
| 10 #include <cmath> | |
| 11 | |
| 12 #include "base/logging.h" | 7 #include "base/logging.h" |
| 13 #include "content/common/input/web_touch_event_traits.h" | 8 #include "content/common/input/web_touch_event_traits.h" |
| 14 | 9 |
| 15 using blink::WebInputEvent; | 10 using blink::WebInputEvent; |
| 16 using blink::WebTouchEvent; | 11 using blink::WebTouchEvent; |
| 17 using blink::WebTouchPoint; | 12 using blink::WebTouchPoint; |
| 18 | 13 |
| 19 namespace content { | 14 namespace content { |
| 20 namespace { | 15 namespace { |
| 21 | 16 |
| (...skipping 78 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 100 return event_.touches[pointer_index].screenPosition.x; | 95 return event_.touches[pointer_index].screenPosition.x; |
| 101 } | 96 } |
| 102 | 97 |
| 103 float MotionEventWeb::GetRawY(size_t pointer_index) const { | 98 float MotionEventWeb::GetRawY(size_t pointer_index) const { |
| 104 DCHECK_LT(pointer_index, GetPointerCount()); | 99 DCHECK_LT(pointer_index, GetPointerCount()); |
| 105 return event_.touches[pointer_index].screenPosition.y; | 100 return event_.touches[pointer_index].screenPosition.y; |
| 106 } | 101 } |
| 107 | 102 |
| 108 float MotionEventWeb::GetTouchMajor(size_t pointer_index) const { | 103 float MotionEventWeb::GetTouchMajor(size_t pointer_index) const { |
| 109 DCHECK_LT(pointer_index, GetPointerCount()); | 104 DCHECK_LT(pointer_index, GetPointerCount()); |
| 105 // TODO(jdduke): We should be a bit more careful about axes here. |
| 110 return 2.f * std::max(event_.touches[pointer_index].radiusX, | 106 return 2.f * std::max(event_.touches[pointer_index].radiusX, |
| 111 event_.touches[pointer_index].radiusY); | 107 event_.touches[pointer_index].radiusY); |
| 112 } | 108 } |
| 113 | 109 |
| 114 float MotionEventWeb::GetTouchMinor(size_t pointer_index) const { | |
| 115 DCHECK_LT(pointer_index, GetPointerCount()); | |
| 116 return 2.f * std::min(event_.touches[pointer_index].radiusX, | |
| 117 event_.touches[pointer_index].radiusY); | |
| 118 } | |
| 119 | |
| 120 float MotionEventWeb::GetOrientation(size_t pointer_index) const { | |
| 121 DCHECK_LT(pointer_index, GetPointerCount()); | |
| 122 | |
| 123 float rotation_angle_rad = event_.touches[pointer_index].rotationAngle | |
| 124 * M_PI / 180.f; | |
| 125 DCHECK(0 <= rotation_angle_rad && rotation_angle_rad <= M_PI_2) | |
| 126 << "Unexpected touch rotation angle"; | |
| 127 | |
| 128 if (event_.touches[pointer_index].radiusX | |
| 129 > event_.touches[pointer_index].radiusY) { | |
| 130 // The case radiusX == radiusY is omitted from here on purpose: for circles, | |
| 131 // we want to pass the angle (which could be any value in such cases but | |
| 132 // always seem to be set to zero) unchanged. | |
| 133 rotation_angle_rad -= (float) M_PI_2; | |
| 134 } | |
| 135 | |
| 136 return rotation_angle_rad; | |
| 137 } | |
| 138 | |
| 139 float MotionEventWeb::GetPressure(size_t pointer_index) const { | 110 float MotionEventWeb::GetPressure(size_t pointer_index) const { |
| 140 return 0.f; | 111 return 0.f; |
| 141 } | 112 } |
| 142 | 113 |
| 143 base::TimeTicks MotionEventWeb::GetEventTime() const { | 114 base::TimeTicks MotionEventWeb::GetEventTime() const { |
| 144 return base::TimeTicks() + | 115 return base::TimeTicks() + |
| 145 base::TimeDelta::FromMicroseconds(event_.timeStampSeconds * | 116 base::TimeDelta::FromMicroseconds(event_.timeStampSeconds * |
| 146 base::Time::kMicrosecondsPerSecond); | 117 base::Time::kMicrosecondsPerSecond); |
| 147 } | 118 } |
| 148 | 119 |
| (...skipping 17 matching lines...) Expand all Loading... |
| 166 WebTouchEvent cancel_event(event_); | 137 WebTouchEvent cancel_event(event_); |
| 167 WebTouchEventTraits::ResetTypeAndTouchStates( | 138 WebTouchEventTraits::ResetTypeAndTouchStates( |
| 168 blink::WebInputEvent::TouchCancel, | 139 blink::WebInputEvent::TouchCancel, |
| 169 // TODO(rbyers): Shouldn't we use a fresh timestamp? | 140 // TODO(rbyers): Shouldn't we use a fresh timestamp? |
| 170 event_.timeStampSeconds, | 141 event_.timeStampSeconds, |
| 171 &cancel_event); | 142 &cancel_event); |
| 172 return scoped_ptr<MotionEvent>(new MotionEventWeb(cancel_event)); | 143 return scoped_ptr<MotionEvent>(new MotionEventWeb(cancel_event)); |
| 173 } | 144 } |
| 174 | 145 |
| 175 } // namespace content | 146 } // namespace content |
| OLD | NEW |