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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. | 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 "content/browser/renderer_host/input/motion_event_web.h" | 8 #include "content/browser/renderer_host/input/motion_event_web.h" |
9 | 9 |
10 #include <cmath> | 10 #include <cmath> |
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119 return 2.f * std::max(event_.touches[pointer_index].radiusX, | 119 return 2.f * std::max(event_.touches[pointer_index].radiusX, |
120 event_.touches[pointer_index].radiusY); | 120 event_.touches[pointer_index].radiusY); |
121 } | 121 } |
122 | 122 |
123 float MotionEventWeb::GetTouchMinor(size_t pointer_index) const { | 123 float MotionEventWeb::GetTouchMinor(size_t pointer_index) const { |
124 DCHECK_LT(pointer_index, GetPointerCount()); | 124 DCHECK_LT(pointer_index, GetPointerCount()); |
125 return 2.f * std::min(event_.touches[pointer_index].radiusX, | 125 return 2.f * std::min(event_.touches[pointer_index].radiusX, |
126 event_.touches[pointer_index].radiusY); | 126 event_.touches[pointer_index].radiusY); |
127 } | 127 } |
128 | 128 |
129 float MotionEventWeb::GetOrientation(size_t pointer_index) const { | 129 float MotionEventWeb::GetTouchOrientation(size_t pointer_index) const { |
130 DCHECK_LT(pointer_index, GetPointerCount()); | 130 DCHECK_LT(pointer_index, GetPointerCount()); |
131 | 131 |
132 float rotation_angle_rad = event_.touches[pointer_index].rotationAngle | 132 float rotation_angle_rad = event_.touches[pointer_index].rotationAngle |
133 * M_PI / 180.f; | 133 * M_PI / 180.f; |
134 DCHECK(0 <= rotation_angle_rad && rotation_angle_rad <= M_PI_2) | 134 DCHECK(0 <= rotation_angle_rad && rotation_angle_rad <= M_PI_2) |
135 << "Unexpected touch rotation angle"; | 135 << "Unexpected touch rotation angle"; |
136 | 136 |
137 if (event_.touches[pointer_index].radiusX | 137 if (event_.touches[pointer_index].radiusX |
138 > event_.touches[pointer_index].radiusY) { | 138 > event_.touches[pointer_index].radiusY) { |
139 // The case radiusX == radiusY is omitted from here on purpose: for circles, | 139 // The case radiusX == radiusY is omitted from here on purpose: for circles, |
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164 | 164 |
165 int MotionEventWeb::GetButtonState() const { | 165 int MotionEventWeb::GetButtonState() const { |
166 return 0; | 166 return 0; |
167 } | 167 } |
168 | 168 |
169 int MotionEventWeb::GetFlags() const { | 169 int MotionEventWeb::GetFlags() const { |
170 return WebEventModifiersToEventFlags(event_.modifiers); | 170 return WebEventModifiersToEventFlags(event_.modifiers); |
171 } | 171 } |
172 | 172 |
173 } // namespace content | 173 } // namespace content |
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