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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 #ifndef PPAPI_SHARED_IMPL_PPB_GAMEPAD_SHARED_H_ | 5 #ifndef PPAPI_SHARED_IMPL_PPB_GAMEPAD_SHARED_H_ |
6 #define PPAPI_SHARED_IMPL_PPB_GAMEPAD_SHARED_H_ | 6 #define PPAPI_SHARED_IMPL_PPB_GAMEPAD_SHARED_H_ |
7 | 7 |
8 #include "base/atomicops.h" | 8 #include "base/atomicops.h" |
9 #include "base/strings/string16.h" | 9 #include "base/strings/string16.h" |
10 #include "ppapi/c/ppb_gamepad.h" | 10 #include "ppapi/c/ppb_gamepad.h" |
11 #include "ppapi/shared_impl/ppapi_shared_export.h" | 11 #include "ppapi/shared_impl/ppapi_shared_export.h" |
12 #include "third_party/WebKit/public/platform/WebGamepads.h" | |
13 | 12 |
14 namespace ppapi { | 13 namespace ppapi { |
15 | 14 |
16 // TODO(brettw) when we remove the non-IPC-based gamepad implementation, this | 15 // TODO(brettw) when we remove the non-IPC-based gamepad implementation, this |
17 // code should all move into the GamepadResource. | 16 // code should all move into the GamepadResource. |
18 | 17 |
19 #pragma pack(push, 1) | 18 #pragma pack(push, 1) |
20 | 19 |
21 #if defined(ENABLE_NEW_GAMEPAD_API) | |
22 typedef double buttonValueType; | |
23 typedef double axisValueType; | |
24 #else | |
25 typedef float buttonValueType; | |
26 typedef float axisValueType; | |
27 #endif | |
28 | |
29 struct WebKitGamepadButton { | 20 struct WebKitGamepadButton { |
30 bool pressed; | 21 bool pressed; |
31 buttonValueType value; | 22 double value; |
32 }; | 23 }; |
33 | 24 |
34 // This must match the definition of blink::Gamepad. The GamepadHost unit test | 25 // This must match the definition of blink::Gamepad. The GamepadHost unit test |
35 // has some compile asserts to validate this. | 26 // has some compile asserts to validate this. |
36 struct WebKitGamepad { | 27 struct WebKitGamepad { |
37 static const size_t kIdLengthCap = 128; | 28 static const size_t kIdLengthCap = 128; |
38 static const size_t kMappingLengthCap = 16; | 29 static const size_t kMappingLengthCap = 16; |
39 static const size_t kAxesLengthCap = 16; | 30 static const size_t kAxesLengthCap = 16; |
40 static const size_t kButtonsLengthCap = 32; | 31 static const size_t kButtonsLengthCap = 32; |
41 | 32 |
42 // Is there a gamepad connected at this index? | 33 // Is there a gamepad connected at this index? |
43 bool connected; | 34 bool connected; |
44 | 35 |
45 // Device identifier (based on manufacturer, model, etc.). | 36 // Device identifier (based on manufacturer, model, etc.). |
46 base::char16 id[kIdLengthCap]; | 37 base::char16 id[kIdLengthCap]; |
47 | 38 |
48 // Monotonically increasing value referring to when the data were last | 39 // Monotonically increasing value referring to when the data were last |
49 // updated. | 40 // updated. |
50 unsigned long long timestamp; | 41 unsigned long long timestamp; |
51 | 42 |
52 // Number of valid entries in the axes array. | 43 // Number of valid entries in the axes array. |
53 unsigned axes_length; | 44 unsigned axes_length; |
54 | 45 |
55 // Normalized values representing axes, in the range [-1..1]. | 46 // Normalized values representing axes, in the range [-1..1]. |
56 axisValueType axes[kAxesLengthCap]; | 47 double axes[kAxesLengthCap]; |
57 | 48 |
58 // Number of valid entries in the buttons array. | 49 // Number of valid entries in the buttons array. |
59 unsigned buttons_length; | 50 unsigned buttons_length; |
60 | 51 |
61 // Normalized values representing buttons, in the range [0..1]. | 52 // Normalized values representing buttons, in the range [0..1]. |
62 WebKitGamepadButton buttons[kButtonsLengthCap]; | 53 WebKitGamepadButton buttons[kButtonsLengthCap]; |
63 | 54 |
64 // Mapping type (for example "standard") | 55 // Mapping type (for example "standard") |
65 base::char16 mapping[kMappingLengthCap]; | 56 base::char16 mapping[kMappingLengthCap]; |
66 }; | 57 }; |
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87 | 78 |
88 #pragma pack(pop) | 79 #pragma pack(pop) |
89 | 80 |
90 PPAPI_SHARED_EXPORT void ConvertWebKitGamepadData( | 81 PPAPI_SHARED_EXPORT void ConvertWebKitGamepadData( |
91 const WebKitGamepads& webkit_data, | 82 const WebKitGamepads& webkit_data, |
92 PP_GamepadsSampleData* output_data); | 83 PP_GamepadsSampleData* output_data); |
93 | 84 |
94 } // namespace ppapi | 85 } // namespace ppapi |
95 | 86 |
96 #endif // PPAPI_SHARED_IMPL_PPB_GAMEPAD_SHARED_H_ | 87 #endif // PPAPI_SHARED_IMPL_PPB_GAMEPAD_SHARED_H_ |
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