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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CONTENT_BROWSER_GAMEPAD_GAMEPAD_PLATFORM_DATA_FETCHER_WIN_H_ | |
| 6 #define CONTENT_BROWSER_GAMEPAD_GAMEPAD_PLATFORM_DATA_FETCHER_WIN_H_ | |
| 7 | |
| 8 #include <memory> | |
| 9 | |
| 10 #include "build/build_config.h" | |
| 11 | |
| 12 #ifndef WIN32_LEAN_AND_MEAN | |
| 13 #define WIN32_LEAN_AND_MEAN | |
| 14 #endif | |
| 15 #include <stdlib.h> | |
| 16 #include <Unknwn.h> | |
| 17 #include <WinDef.h> | |
| 18 #include <windows.h> | |
| 19 #include <XInput.h> | |
| 20 | |
| 21 #include "base/compiler_specific.h" | |
| 22 #include "base/macros.h" | |
| 23 #include "base/memory/weak_ptr.h" | |
| 24 #include "base/message_loop/message_loop.h" | |
| 25 #include "base/scoped_native_library.h" | |
| 26 #include "content/browser/gamepad/gamepad_data_fetcher.h" | |
| 27 #include "content/browser/gamepad/gamepad_standard_mappings.h" | |
| 28 #include "content/browser/gamepad/raw_input_data_fetcher_win.h" | |
| 29 #include "third_party/WebKit/public/platform/WebGamepads.h" | |
| 30 | |
| 31 namespace content { | |
| 32 | |
| 33 class GamepadPlatformDataFetcherWin : public GamepadDataFetcher { | |
| 34 public: | |
| 35 GamepadPlatformDataFetcherWin(); | |
| 36 ~GamepadPlatformDataFetcherWin() override; | |
| 37 void GetGamepadData(blink::WebGamepads* pads, | |
| 38 bool devices_changed_hint) override; | |
| 39 void PauseHint(bool paused) override; | |
| 40 | |
| 41 private: | |
| 42 // XInput-specific implementation for GetGamepadData. | |
| 43 bool GetXInputGamepadData(blink::WebGamepads* pads, | |
| 44 bool devices_changed_hint); | |
| 45 | |
| 46 // The three function types we use from xinput1_3.dll. | |
| 47 typedef void (WINAPI *XInputEnableFunc)(BOOL enable); | |
| 48 typedef DWORD (WINAPI *XInputGetCapabilitiesFunc)( | |
| 49 DWORD dwUserIndex, DWORD dwFlags, XINPUT_CAPABILITIES* pCapabilities); | |
| 50 typedef DWORD (WINAPI *XInputGetStateFunc)( | |
| 51 DWORD dwUserIndex, XINPUT_STATE* pState); | |
| 52 | |
| 53 // Get functions from dynamically loading the xinput dll. | |
| 54 // Returns true if loading was successful. | |
| 55 bool GetXInputDllFunctions(); | |
| 56 | |
| 57 // Scan for connected XInput and DirectInput gamepads. | |
| 58 void EnumerateDevices(); | |
| 59 bool GetXInputPadConnectivity(int i, blink::WebGamepad* pad) const; | |
| 60 | |
| 61 void GetXInputPadData(int i, blink::WebGamepad* pad); | |
| 62 void GetRawInputPadData(int i, blink::WebGamepad* pad); | |
| 63 | |
| 64 int FirstAvailableGamepadId() const; | |
| 65 bool HasXInputGamepad(int index) const; | |
| 66 bool HasRawInputGamepad(const HANDLE handle) const; | |
| 67 | |
| 68 base::ScopedNativeLibrary xinput_dll_; | |
| 69 bool xinput_available_; | |
| 70 | |
| 71 // Function pointers to XInput functionality, retrieved in | |
| 72 // |GetXinputDllFunctions|. | |
| 73 XInputGetCapabilitiesFunc xinput_get_capabilities_; | |
| 74 XInputGetStateFunc xinput_get_state_; | |
| 75 | |
| 76 enum PadConnectionStatus { | |
| 77 DISCONNECTED, | |
| 78 XINPUT_CONNECTED, | |
| 79 RAWINPUT_CONNECTED | |
| 80 }; | |
| 81 | |
| 82 struct PlatformPadState { | |
| 83 PadConnectionStatus status; | |
| 84 | |
| 85 int xinput_index; // XInput-only | |
| 86 HANDLE raw_input_handle; // RawInput-only fields. | |
| 87 }; | |
| 88 PlatformPadState platform_pad_state_[blink::WebGamepads::itemsLengthCap]; | |
| 89 | |
| 90 std::unique_ptr<RawInputDataFetcher> raw_input_fetcher_; | |
| 91 | |
| 92 DISALLOW_COPY_AND_ASSIGN(GamepadPlatformDataFetcherWin); | |
| 93 }; | |
| 94 | |
| 95 } // namespace content | |
| 96 | |
| 97 #endif // CONTENT_BROWSER_GAMEPAD_GAMEPAD_PLATFORM_DATA_FETCHER_WIN_H_ | |
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Chromium Code Reviews
Issue 2081583002:
Migrating majority of gamepad from content/browser/ to device/ (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master