| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef DEVICE_GAMEPAD_RAW_INPUT_DATA_FETCHER_WIN_H_ |
| #define DEVICE_GAMEPAD_RAW_INPUT_DATA_FETCHER_WIN_H_ |
| |
| #include <Unknwn.h> |
| #include <WinDef.h> |
| #include <hidsdi.h> |
| #include <stdint.h> |
| #include <stdlib.h> |
| #include <windows.h> |
| |
| #include <map> |
| #include <memory> |
| |
| #include "base/macros.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/win/message_window.h" |
| #include "device/gamepad/gamepad_data_fetcher.h" |
| #include "device/gamepad/hid_dll_functions_win.h" |
| #include "device/gamepad/public/cpp/gamepad.h" |
| #include "device/gamepad/public/mojom/gamepad.mojom.h" |
| #include "device/gamepad/raw_input_gamepad_device_win.h" |
| |
| namespace device { |
| |
| class RawInputDataFetcher : public GamepadDataFetcher, |
| public base::SupportsWeakPtr<RawInputDataFetcher> { |
| public: |
| using Factory = GamepadDataFetcherFactoryImpl<RawInputDataFetcher, |
| GAMEPAD_SOURCE_WIN_RAW>; |
| |
| explicit RawInputDataFetcher(); |
| ~RawInputDataFetcher() override; |
| |
| GamepadSource source() override; |
| |
| void GetGamepadData(bool devices_changed_hint) override; |
| void PauseHint(bool paused) override; |
| void PlayEffect(int source_id, |
| mojom::GamepadHapticEffectType, |
| mojom::GamepadEffectParametersPtr, |
| mojom::GamepadHapticsManager::PlayVibrationEffectOnceCallback, |
| scoped_refptr<base::SequencedTaskRunner>) override; |
| void ResetVibration( |
| int source_id, |
| mojom::GamepadHapticsManager::ResetVibrationActuatorCallback, |
| scoped_refptr<base::SequencedTaskRunner>) override; |
| |
| bool DisconnectUnrecognizedGamepad(int source_id) override; |
| |
| private: |
| void OnAddedToProvider() override; |
| |
| void StartMonitor(); |
| void StopMonitor(); |
| void EnumerateDevices(); |
| RawInputGamepadDeviceWin* DeviceFromSourceId(int source_id); |
| // Handles WM_INPUT messages. |
| LRESULT OnInput(HRAWINPUT input_handle); |
| // Handles messages received by |window_|. |
| bool HandleMessage(UINT message, |
| WPARAM wparam, |
| LPARAM lparam, |
| LRESULT* result); |
| RAWINPUTDEVICE* GetRawInputDevices(DWORD flags); |
| void ClearControllers(); |
| |
| // The window to receive RawInput events. |
| std::unique_ptr<base::win::MessageWindow> window_; |
| |
| // True if DLL loading succeeded and methods for enumerating and polling |
| // RawInput devices are available. |
| bool rawinput_available_ = false; |
| |
| // When true, XInput devices will not be enumerated by this data fetcher. |
| // This should be enabled when the platform data fetcher is active to avoid |
| // enumerating XInput gamepads twice. |
| bool filter_xinput_ = true; |
| |
| // True if we are registered to receive RawInput events. |
| bool events_monitored_ = false; |
| |
| // The last ID assigned to an enumerated device. |
| int last_source_id_ = 0; |
| |
| // HID functions loaded from hid.dll. |
| std::unique_ptr<HidDllFunctionsWin> hid_functions_; |
| |
| // Connected devices, keyed by device handle. |
| std::unordered_map<HANDLE, std::unique_ptr<RawInputGamepadDeviceWin>> |
| controllers_; |
| |
| DISALLOW_COPY_AND_ASSIGN(RawInputDataFetcher); |
| }; |
| |
| } // namespace device |
| |
| #endif // DEVICE_GAMEPAD_RAW_INPUT_DATA_FETCHER_WIN_H_ |