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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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/gamepad/gamepad_standard_mappings.h" | 5 #include "content/browser/gamepad/gamepad_standard_mappings.h" |
6 | 6 |
7 #include "content/common/gamepad_hardware_buffer.h" | 7 #include "content/common/gamepad_hardware_buffer.h" |
8 | 8 |
9 namespace content { | 9 namespace content { |
10 | 10 |
11 namespace { | 11 namespace { |
12 | 12 |
13 // Maps 0..65535 to -1..1. | 13 // Maps 0..65535 to -1..1. |
14 float NormalizeDirectInputAxis(long value) { | 14 float NormalizeDirectInputAxis(long value) { |
15 return (value * 1.f / 32767.5f) - 1.f; | 15 return (value * 1.f / 32767.5f) - 1.f; |
16 } | 16 } |
17 | 17 |
18 float AxisNegativeAsButton(long value) { | 18 float AxisNegativeAsButton(long value) { |
19 return (value < 32767) ? 1.f : 0.f; | 19 return (value < 32767) ? 1.f : 0.f; |
20 } | 20 } |
21 | 21 |
22 float AxisPositiveAsButton(long value) { | 22 float AxisPositiveAsButton(long value) { |
23 return (value > 32767) ? 1.f : 0.f; | 23 return (value > 32767) ? 1.f : 0.f; |
24 } | 24 } |
25 | 25 |
26 void MapperDragonRiseGeneric( | 26 void MapperDragonRiseGeneric( |
27 const WebKit::WebGamepad& input, | 27 const blink::WebGamepad& input, |
28 WebKit::WebGamepad* mapped) { | 28 blink::WebGamepad* mapped) { |
29 *mapped = input; | 29 *mapped = input; |
30 mapped->buttons[0] = input.buttons[1]; | 30 mapped->buttons[0] = input.buttons[1]; |
31 mapped->buttons[1] = input.buttons[2]; | 31 mapped->buttons[1] = input.buttons[2]; |
32 mapped->buttons[2] = input.buttons[0]; | 32 mapped->buttons[2] = input.buttons[0]; |
33 mapped->buttons[12] = input.buttons[16]; | 33 mapped->buttons[12] = input.buttons[16]; |
34 mapped->buttons[13] = input.buttons[17]; | 34 mapped->buttons[13] = input.buttons[17]; |
35 mapped->buttons[14] = input.buttons[18]; | 35 mapped->buttons[14] = input.buttons[18]; |
36 mapped->buttons[15] = input.buttons[19]; | 36 mapped->buttons[15] = input.buttons[19]; |
37 mapped->buttonsLength = 16; | 37 mapped->buttonsLength = 16; |
38 mapped->axes[0] = NormalizeDirectInputAxis(input.axes[0]); | 38 mapped->axes[0] = NormalizeDirectInputAxis(input.axes[0]); |
39 mapped->axes[1] = NormalizeDirectInputAxis(input.axes[1]); | 39 mapped->axes[1] = NormalizeDirectInputAxis(input.axes[1]); |
40 mapped->axes[2] = NormalizeDirectInputAxis(input.axes[2]); | 40 mapped->axes[2] = NormalizeDirectInputAxis(input.axes[2]); |
41 mapped->axes[3] = NormalizeDirectInputAxis(input.axes[5]); | 41 mapped->axes[3] = NormalizeDirectInputAxis(input.axes[5]); |
42 mapped->axesLength = 4; | 42 mapped->axesLength = 4; |
43 } | 43 } |
44 | 44 |
45 void MapperLogitechDualAction( | 45 void MapperLogitechDualAction( |
46 const WebKit::WebGamepad& input, | 46 const blink::WebGamepad& input, |
47 WebKit::WebGamepad* mapped) { | 47 blink::WebGamepad* mapped) { |
48 *mapped = input; | 48 *mapped = input; |
49 mapped->buttons[0] = input.buttons[1]; | 49 mapped->buttons[0] = input.buttons[1]; |
50 mapped->buttons[1] = input.buttons[2]; | 50 mapped->buttons[1] = input.buttons[2]; |
51 mapped->buttons[2] = input.buttons[0]; | 51 mapped->buttons[2] = input.buttons[0]; |
52 mapped->buttons[12] = input.buttons[16]; | 52 mapped->buttons[12] = input.buttons[16]; |
53 mapped->buttons[13] = input.buttons[17]; | 53 mapped->buttons[13] = input.buttons[17]; |
54 mapped->buttons[14] = input.buttons[18]; | 54 mapped->buttons[14] = input.buttons[18]; |
55 mapped->buttons[15] = input.buttons[19]; | 55 mapped->buttons[15] = input.buttons[19]; |
56 mapped->buttonsLength = 16; | 56 mapped->buttonsLength = 16; |
57 mapped->axes[0] = NormalizeDirectInputAxis(input.axes[0]); | 57 mapped->axes[0] = NormalizeDirectInputAxis(input.axes[0]); |
58 mapped->axes[1] = NormalizeDirectInputAxis(input.axes[1]); | 58 mapped->axes[1] = NormalizeDirectInputAxis(input.axes[1]); |
59 mapped->axes[2] = NormalizeDirectInputAxis(input.axes[2]); | 59 mapped->axes[2] = NormalizeDirectInputAxis(input.axes[2]); |
60 mapped->axes[3] = NormalizeDirectInputAxis(input.axes[5]); | 60 mapped->axes[3] = NormalizeDirectInputAxis(input.axes[5]); |
61 mapped->axesLength = 4; | 61 mapped->axesLength = 4; |
62 } | 62 } |
63 | 63 |
64 void MapperLogitechPrecision( | 64 void MapperLogitechPrecision( |
65 const WebKit::WebGamepad& input, | 65 const blink::WebGamepad& input, |
66 WebKit::WebGamepad* mapped) { | 66 blink::WebGamepad* mapped) { |
67 *mapped = input; | 67 *mapped = input; |
68 mapped->buttons[0] = input.buttons[1]; | 68 mapped->buttons[0] = input.buttons[1]; |
69 mapped->buttons[1] = input.buttons[2]; | 69 mapped->buttons[1] = input.buttons[2]; |
70 mapped->buttons[2] = input.buttons[0]; | 70 mapped->buttons[2] = input.buttons[0]; |
71 mapped->buttons[kButtonLeftThumbstick] = 0; // Not present | 71 mapped->buttons[kButtonLeftThumbstick] = 0; // Not present |
72 mapped->buttons[kButtonRightThumbstick] = 0; // Not present | 72 mapped->buttons[kButtonRightThumbstick] = 0; // Not present |
73 mapped->buttons[12] = AxisNegativeAsButton(input.axes[1]); | 73 mapped->buttons[12] = AxisNegativeAsButton(input.axes[1]); |
74 mapped->buttons[13] = AxisPositiveAsButton(input.axes[1]); | 74 mapped->buttons[13] = AxisPositiveAsButton(input.axes[1]); |
75 mapped->buttons[14] = AxisNegativeAsButton(input.axes[0]); | 75 mapped->buttons[14] = AxisNegativeAsButton(input.axes[0]); |
76 mapped->buttons[15] = AxisPositiveAsButton(input.axes[0]); | 76 mapped->buttons[15] = AxisPositiveAsButton(input.axes[0]); |
77 mapped->buttonsLength = 16; | 77 mapped->buttonsLength = 16; |
78 mapped->axesLength = 0; | 78 mapped->axesLength = 0; |
79 } | 79 } |
80 | 80 |
81 void Mapper2Axes8Keys( | 81 void Mapper2Axes8Keys( |
82 const WebKit::WebGamepad& input, | 82 const blink::WebGamepad& input, |
83 WebKit::WebGamepad* mapped) { | 83 blink::WebGamepad* mapped) { |
84 *mapped = input; | 84 *mapped = input; |
85 mapped->buttons[kButtonLeftTrigger] = 0; // Not present | 85 mapped->buttons[kButtonLeftTrigger] = 0; // Not present |
86 mapped->buttons[kButtonRightTrigger] = 0; // Not present | 86 mapped->buttons[kButtonRightTrigger] = 0; // Not present |
87 mapped->buttons[8] = input.buttons[6]; | 87 mapped->buttons[8] = input.buttons[6]; |
88 mapped->buttons[9] = input.buttons[7]; | 88 mapped->buttons[9] = input.buttons[7]; |
89 mapped->buttons[kButtonLeftThumbstick] = 0; // Not present | 89 mapped->buttons[kButtonLeftThumbstick] = 0; // Not present |
90 mapped->buttons[kButtonRightThumbstick] = 0; // Not present | 90 mapped->buttons[kButtonRightThumbstick] = 0; // Not present |
91 mapped->buttons[12] = AxisNegativeAsButton(input.axes[1]); | 91 mapped->buttons[12] = AxisNegativeAsButton(input.axes[1]); |
92 mapped->buttons[13] = AxisPositiveAsButton(input.axes[1]); | 92 mapped->buttons[13] = AxisPositiveAsButton(input.axes[1]); |
93 mapped->buttons[14] = AxisNegativeAsButton(input.axes[0]); | 93 mapped->buttons[14] = AxisNegativeAsButton(input.axes[0]); |
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115 const base::StringPiece& product_id) { | 115 const base::StringPiece& product_id) { |
116 for (size_t i = 0; i < arraysize(AvailableMappings); ++i) { | 116 for (size_t i = 0; i < arraysize(AvailableMappings); ++i) { |
117 MappingData& item = AvailableMappings[i]; | 117 MappingData& item = AvailableMappings[i]; |
118 if (vendor_id == item.vendor_id && product_id == item.product_id) | 118 if (vendor_id == item.vendor_id && product_id == item.product_id) |
119 return item.function; | 119 return item.function; |
120 } | 120 } |
121 return NULL; | 121 return NULL; |
122 } | 122 } |
123 | 123 |
124 } // namespace content | 124 } // namespace content |
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