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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 CONTENT_BROWSER_GAMEPAD_GAMEPAD_PLATFORM_DATA_FETCHER_WIN_H_ | 5 #ifndef CONTENT_BROWSER_GAMEPAD_GAMEPAD_PLATFORM_DATA_FETCHER_WIN_H_ |
6 #define CONTENT_BROWSER_GAMEPAD_GAMEPAD_PLATFORM_DATA_FETCHER_WIN_H_ | 6 #define CONTENT_BROWSER_GAMEPAD_GAMEPAD_PLATFORM_DATA_FETCHER_WIN_H_ |
7 | 7 |
8 #include "build/build_config.h" | 8 #include "build/build_config.h" |
9 | 9 |
10 #ifndef WIN32_LEAN_AND_MEAN | 10 #ifndef WIN32_LEAN_AND_MEAN |
11 #define WIN32_LEAN_AND_MEAN | 11 #define WIN32_LEAN_AND_MEAN |
12 #endif | 12 #endif |
| 13 #define DIRECTINPUT_VERSION 0x0800 |
| 14 #include <dinput.h> |
| 15 #include <stdlib.h> |
| 16 #include <Unknwn.h> |
| 17 #include <WinDef.h> |
13 #include <windows.h> | 18 #include <windows.h> |
14 #include <XInput.h> | 19 #include <XInput.h> |
15 | 20 |
16 #include "base/basictypes.h" | 21 #include "base/basictypes.h" |
17 #include "base/compiler_specific.h" | 22 #include "base/compiler_specific.h" |
18 #include "base/scoped_native_library.h" | 23 #include "base/scoped_native_library.h" |
19 #include "content/browser/gamepad/gamepad_data_fetcher.h" | 24 #include "content/browser/gamepad/gamepad_data_fetcher.h" |
| 25 #include "content/browser/gamepad/gamepad_standard_mappings.h" |
| 26 #include "third_party/WebKit/Source/Platform/chromium/public/WebGamepads.h" |
20 | 27 |
21 namespace content { | 28 namespace content { |
22 | 29 |
23 class GamepadPlatformDataFetcherWin : public GamepadDataFetcher { | 30 class GamepadPlatformDataFetcherWin : public GamepadDataFetcher { |
24 public: | 31 public: |
25 GamepadPlatformDataFetcherWin(); | 32 GamepadPlatformDataFetcherWin(); |
26 virtual ~GamepadPlatformDataFetcherWin(); | 33 virtual ~GamepadPlatformDataFetcherWin(); |
27 virtual void GetGamepadData(WebKit::WebGamepads* pads, | 34 virtual void GetGamepadData(WebKit::WebGamepads* pads, |
28 bool devices_changed_hint) OVERRIDE; | 35 bool devices_changed_hint) OVERRIDE; |
29 private: | 36 private: |
| 37 // XInput-specific implementation for GetGamepadData. |
| 38 bool GetXInputGamepadData(WebKit::WebGamepads* pads, |
| 39 bool devices_changed_hint); |
| 40 bool GetDirectInputGamepadData(WebKit::WebGamepads* pads, |
| 41 bool devices_changed_hint); |
| 42 |
30 // The three function types we use from xinput1_3.dll. | 43 // The three function types we use from xinput1_3.dll. |
31 typedef void (WINAPI *XInputEnableFunc)(BOOL enable); | 44 typedef void (WINAPI *XInputEnableFunc)(BOOL enable); |
32 typedef DWORD (WINAPI *XInputGetCapabilitiesFunc)( | 45 typedef DWORD (WINAPI *XInputGetCapabilitiesFunc)( |
33 DWORD dwUserIndex, DWORD dwFlags, XINPUT_CAPABILITIES* pCapabilities); | 46 DWORD dwUserIndex, DWORD dwFlags, XINPUT_CAPABILITIES* pCapabilities); |
34 typedef DWORD (WINAPI *XInputGetStateFunc)( | 47 typedef DWORD (WINAPI *XInputGetStateFunc)( |
35 DWORD dwUserIndex, XINPUT_STATE* pState); | 48 DWORD dwUserIndex, XINPUT_STATE* pState); |
36 | 49 |
37 // Get functions from dynamically loaded xinput1_3.dll. We don't use | 50 // Get functions from dynamically loaded xinput1_3.dll. We don't use |
38 // DELAYLOAD because the import library for Win8 SDK pulls xinput1_4 which | 51 // DELAYLOAD because the import library for Win8 SDK pulls xinput1_4 which |
39 // isn't redistributable. Returns true if loading was successful. We include | 52 // isn't redistributable. Returns true if loading was successful. We include |
40 // xinput1_3.dll with Chrome. | 53 // xinput1_3.dll with Chrome. |
41 bool GetXinputDllFunctions(); | 54 bool GetXInputDllFunctions(); |
| 55 |
| 56 // Scan for connected XInput and DirectInput gamepads. |
| 57 void EnumerateDevices(WebKit::WebGamepads* pads); |
| 58 bool GetXInputPadConnectivity(int i, WebKit::WebGamepad* pad) const; |
| 59 |
| 60 void GetXInputPadData(int i, WebKit::WebGamepad* pad); |
| 61 void GetDirectInputPadData(int i, WebKit::WebGamepad* pad); |
| 62 |
| 63 int FirstAvailableGamepadId() const; |
| 64 bool HasXInputGamepad(int index) const; |
| 65 bool HasDirectInputGamepad(const GUID &guid) const; |
42 | 66 |
43 base::ScopedNativeLibrary xinput_dll_; | 67 base::ScopedNativeLibrary xinput_dll_; |
44 bool xinput_available_; | 68 bool xinput_available_; |
| 69 bool directinput_available_; |
45 | 70 |
46 // Function pointers to XInput functionality, retrieved in | 71 // Function pointers to XInput functionality, retrieved in |
47 // |GetXinputDllFunctions|. | 72 // |GetXinputDllFunctions|. |
48 XInputEnableFunc xinput_enable_; | 73 XInputEnableFunc xinput_enable_; |
49 XInputGetCapabilitiesFunc xinput_get_capabilities_; | 74 XInputGetCapabilitiesFunc xinput_get_capabilities_; |
50 XInputGetStateFunc xinput_get_state_; | 75 XInputGetStateFunc xinput_get_state_; |
51 | 76 |
| 77 IDirectInput8* directinput_interface_; |
| 78 |
| 79 enum PadConnectionStatus { |
| 80 DISCONNECTED, |
| 81 XINPUT_CONNECTED, |
| 82 DIRECTINPUT_CONNECTED |
| 83 }; |
| 84 |
| 85 struct PadState { |
| 86 PadConnectionStatus status; |
| 87 int xinput_index; // XInput-only. |
| 88 // Fields below are for DirectInput devices only. |
| 89 GUID guid; |
| 90 IDirectInputDevice8* directinput_gamepad; |
| 91 GamepadStandardMappingFunction mapper; |
| 92 }; |
| 93 PadState pad_state_[WebKit::WebGamepads::itemsLengthCap]; |
| 94 |
52 DISALLOW_COPY_AND_ASSIGN(GamepadPlatformDataFetcherWin); | 95 DISALLOW_COPY_AND_ASSIGN(GamepadPlatformDataFetcherWin); |
53 }; | 96 }; |
54 | 97 |
55 } // namespace content | 98 } // namespace content |
56 | 99 |
57 #endif // CONTENT_BROWSER_GAMEPAD_GAMEPAD_PLATFORM_DATA_FETCHER_WIN_H_ | 100 #endif // CONTENT_BROWSER_GAMEPAD_GAMEPAD_PLATFORM_DATA_FETCHER_WIN_H_ |
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