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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 #include <stdlib.h> | 13 #include <stdlib.h> |
14 #include <Unknwn.h> | 14 #include <Unknwn.h> |
15 #include <WinDef.h> | 15 #include <WinDef.h> |
16 #include <windows.h> | 16 #include <windows.h> |
17 #include <XInput.h> | 17 #include <XInput.h> |
18 | 18 |
19 #include "base/compiler_specific.h" | 19 #include "base/compiler_specific.h" |
20 #include "base/macros.h" | 20 #include "base/macros.h" |
21 #include "base/memory/scoped_ptr.h" | 21 #include "base/memory/scoped_ptr.h" |
22 #include "base/memory/weak_ptr.h" | 22 #include "base/memory/weak_ptr.h" |
23 #include "base/message_loop/message_loop.h" | 23 #include "base/message_loop/message_loop.h" |
24 #include "base/scoped_native_library.h" | 24 #include "base/scoped_native_library.h" |
25 #include "content/browser/gamepad/gamepad_data_fetcher.h" | 25 #include "content/browser/gamepad/gamepad_data_fetcher.h" |
26 #include "content/browser/gamepad/gamepad_standard_mappings.h" | 26 #include "content/browser/gamepad/gamepad_standard_mappings.h" |
27 #include "content/browser/gamepad/raw_input_data_fetcher_win.h" | |
28 #include "third_party/WebKit/public/platform/WebGamepads.h" | 27 #include "third_party/WebKit/public/platform/WebGamepads.h" |
29 | 28 |
30 namespace content { | 29 namespace content { |
31 | 30 |
32 class GamepadPlatformDataFetcherWin : public GamepadDataFetcher { | 31 class GamepadPlatformDataFetcherWin : public GamepadDataFetcher { |
33 public: | 32 public: |
34 GamepadPlatformDataFetcherWin(); | 33 GamepadPlatformDataFetcherWin(); |
35 ~GamepadPlatformDataFetcherWin() override; | 34 ~GamepadPlatformDataFetcherWin() override; |
36 void GetGamepadData(blink::WebGamepads* pads, | 35 void GetGamepadData(bool devices_changed_hint) override; |
37 bool devices_changed_hint) override; | |
38 void PauseHint(bool paused) override; | |
39 | 36 |
40 private: | 37 private: |
41 // XInput-specific implementation for GetGamepadData. | 38 void OnAddedToProvider() override; |
42 bool GetXInputGamepadData(blink::WebGamepads* pads, | |
43 bool devices_changed_hint); | |
44 | 39 |
45 // The three function types we use from xinput1_3.dll. | 40 // The three function types we use from xinput1_3.dll. |
46 typedef void (WINAPI *XInputEnableFunc)(BOOL enable); | 41 typedef void (WINAPI *XInputEnableFunc)(BOOL enable); |
47 typedef DWORD (WINAPI *XInputGetCapabilitiesFunc)( | 42 typedef DWORD (WINAPI *XInputGetCapabilitiesFunc)( |
48 DWORD dwUserIndex, DWORD dwFlags, XINPUT_CAPABILITIES* pCapabilities); | 43 DWORD dwUserIndex, DWORD dwFlags, XINPUT_CAPABILITIES* pCapabilities); |
49 typedef DWORD (WINAPI *XInputGetStateFunc)( | 44 typedef DWORD (WINAPI *XInputGetStateFunc)( |
50 DWORD dwUserIndex, XINPUT_STATE* pState); | 45 DWORD dwUserIndex, XINPUT_STATE* pState); |
51 | 46 |
52 // Get functions from dynamically loaded xinput1_3.dll. We don't use | 47 // Get functions from dynamically loaded xinput1_3.dll. We don't use |
53 // DELAYLOAD because the import library for Win8 SDK pulls xinput1_4 which | 48 // DELAYLOAD because the import library for Win8 SDK pulls xinput1_4 which |
54 // isn't redistributable. Returns true if loading was successful. We include | 49 // isn't redistributable. Returns true if loading was successful. We include |
55 // xinput1_3.dll with Chrome. | 50 // xinput1_3.dll with Chrome. |
56 bool GetXInputDllFunctions(); | 51 bool GetXInputDllFunctions(); |
57 | 52 |
58 // Scan for connected XInput and DirectInput gamepads. | 53 // Scan for connected XInput and DirectInput gamepads. |
59 void EnumerateDevices(); | 54 void EnumerateDevices(); |
60 bool GetXInputPadConnectivity(int i, blink::WebGamepad* pad) const; | 55 void GetXInputPadData(int i); |
61 | |
62 void GetXInputPadData(int i, blink::WebGamepad* pad); | |
63 void GetRawInputPadData(int i, blink::WebGamepad* pad); | |
64 | |
65 int FirstAvailableGamepadId() const; | |
66 bool HasXInputGamepad(int index) const; | |
67 bool HasRawInputGamepad(const HANDLE handle) const; | |
68 | 56 |
69 base::ScopedNativeLibrary xinput_dll_; | 57 base::ScopedNativeLibrary xinput_dll_; |
70 bool xinput_available_; | 58 bool xinput_available_; |
71 | 59 |
72 // Function pointers to XInput functionality, retrieved in | 60 // Function pointers to XInput functionality, retrieved in |
73 // |GetXinputDllFunctions|. | 61 // |GetXinputDllFunctions|. |
74 XInputEnableFunc xinput_enable_; | 62 XInputEnableFunc xinput_enable_; |
75 XInputGetCapabilitiesFunc xinput_get_capabilities_; | 63 XInputGetCapabilitiesFunc xinput_get_capabilities_; |
76 XInputGetStateFunc xinput_get_state_; | 64 XInputGetStateFunc xinput_get_state_; |
77 | 65 |
78 enum PadConnectionStatus { | 66 bool xinput_connected_[XUSER_MAX_COUNT]; |
79 DISCONNECTED, | |
80 XINPUT_CONNECTED, | |
81 RAWINPUT_CONNECTED | |
82 }; | |
83 | |
84 struct PlatformPadState { | |
85 PadConnectionStatus status; | |
86 | |
87 int xinput_index; // XInput-only | |
88 HANDLE raw_input_handle; // RawInput-only fields. | |
89 }; | |
90 PlatformPadState platform_pad_state_[blink::WebGamepads::itemsLengthCap]; | |
91 | |
92 scoped_ptr<RawInputDataFetcher> raw_input_fetcher_; | |
93 | 67 |
94 DISALLOW_COPY_AND_ASSIGN(GamepadPlatformDataFetcherWin); | 68 DISALLOW_COPY_AND_ASSIGN(GamepadPlatformDataFetcherWin); |
95 }; | 69 }; |
96 | 70 |
97 } // namespace content | 71 } // namespace content |
98 | 72 |
99 #endif // CONTENT_BROWSER_GAMEPAD_GAMEPAD_PLATFORM_DATA_FETCHER_WIN_H_ | 73 #endif // CONTENT_BROWSER_GAMEPAD_GAMEPAD_PLATFORM_DATA_FETCHER_WIN_H_ |
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