Migrating majority of gamepad from content/browser/ to device/

content/browser/gamepad/raw_input_data_fetcher_win.h

-// 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 CONTENT_BROWSER_GAMEPAD_RAW_INPUT_DATA_FETCHER_WIN_H_
-#define CONTENT_BROWSER_GAMEPAD_RAW_INPUT_DATA_FETCHER_WIN_H_
-
-#include <stdint.h>
-#include <stdlib.h>
-#include <Unknwn.h>
-#include <WinDef.h>
-#include <windows.h>
-#include <hidsdi.h>
-
-#include <map>
-#include <memory>
-#include <vector>
-
-#include "base/macros.h"
-#include "base/memory/weak_ptr.h"
-#include "base/message_loop/message_loop.h"
-#include "base/scoped_native_library.h"
-#include "base/win/message_window.h"
-#include "build/build_config.h"
-#include "content/browser/gamepad/gamepad_data_fetcher.h"
-#include "content/browser/gamepad/gamepad_standard_mappings.h"
-#include "third_party/WebKit/public/platform/WebGamepads.h"
-
-namespace content {
-
-struct RawGamepadAxis {
-  HIDP_VALUE_CAPS caps;
-  float value;
-  bool active;
-  unsigned long bitmask;
-};
-
-struct RawGamepadInfo {
-  RawGamepadInfo();
-  ~RawGamepadInfo();
-
-  HANDLE handle;
-  std::unique_ptr<uint8_t[]> ppd_buffer;
-  PHIDP_PREPARSED_DATA preparsed_data;
-
-  uint32_t report_id;
-  uint32_t vendor_id;
-  uint32_t product_id;
-
-  wchar_t id[blink::WebGamepad::idLengthCap];
-
-  uint32_t buttons_length;
-  bool buttons[blink::WebGamepad::buttonsLengthCap];
-
-  uint32_t axes_length;
-  RawGamepadAxis axes[blink::WebGamepad::axesLengthCap];
-};
-
-class RawInputDataFetcher
-    : public base::SupportsWeakPtr<RawInputDataFetcher>,
-      public base::MessageLoop::DestructionObserver {
- public:
-  explicit RawInputDataFetcher();
-  ~RawInputDataFetcher() override;
-
-  // DestructionObserver overrides.
-  void WillDestroyCurrentMessageLoop() override;
-
-  bool Available() { return rawinput_available_; }
-  void StartMonitor();
-  void StopMonitor();
-
-  std::vector<RawGamepadInfo*> EnumerateDevices();
-  RawGamepadInfo* GetGamepadInfo(HANDLE handle);
-
- private:
-  RawGamepadInfo* ParseGamepadInfo(HANDLE hDevice);
-  void UpdateGamepad(RAWINPUT* input, RawGamepadInfo* gamepad_info);
-  // 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();
-
-  // Function types we use from hid.dll.
-  typedef NTSTATUS (__stdcall *HidPGetCapsFunc)(
-      PHIDP_PREPARSED_DATA PreparsedData, PHIDP_CAPS Capabilities);
-  typedef NTSTATUS (__stdcall *HidPGetButtonCapsFunc)(
-      HIDP_REPORT_TYPE ReportType, PHIDP_BUTTON_CAPS ButtonCaps,
-      PUSHORT ButtonCapsLength, PHIDP_PREPARSED_DATA PreparsedData);
-  typedef NTSTATUS (__stdcall *HidPGetValueCapsFunc)(
-      HIDP_REPORT_TYPE ReportType, PHIDP_VALUE_CAPS ValueCaps,
-      PUSHORT ValueCapsLength, PHIDP_PREPARSED_DATA PreparsedData);
-  typedef NTSTATUS(__stdcall* HidPGetUsagesExFunc)(
-      HIDP_REPORT_TYPE ReportType,
-      USHORT LinkCollection,
-      PUSAGE_AND_PAGE ButtonList,
-      ULONG* UsageLength,
-      PHIDP_PREPARSED_DATA PreparsedData,
-      PCHAR Report,
-      ULONG ReportLength);
-  typedef NTSTATUS (__stdcall *HidPGetUsageValueFunc)(
-      HIDP_REPORT_TYPE ReportType, USAGE UsagePage, USHORT LinkCollection,
-      USAGE Usage, PULONG UsageValue, PHIDP_PREPARSED_DATA PreparsedData,
-      PCHAR Report, ULONG ReportLength);
-  typedef NTSTATUS (__stdcall *HidPGetScaledUsageValueFunc)(
-      HIDP_REPORT_TYPE ReportType, USAGE UsagePage, USHORT LinkCollection,
-      USAGE Usage, PLONG UsageValue, PHIDP_PREPARSED_DATA PreparsedData,
-      PCHAR Report, ULONG ReportLength);
-  typedef BOOLEAN (__stdcall *HidDGetStringFunc)(
-      HANDLE HidDeviceObject, PVOID Buffer, ULONG BufferLength);
-
-  // Get functions from dynamically loaded hid.dll. Returns true if loading was
-  // successful.
-  bool GetHidDllFunctions();
-
-  base::ScopedNativeLibrary hid_dll_;
-  std::unique_ptr<base::win::MessageWindow> window_;
-  bool rawinput_available_;
-  bool filter_xinput_;
-  bool events_monitored_;
-
-  std::map<HANDLE, RawGamepadInfo*> controllers_;
-
-  // Function pointers to HID functionality, retrieved in
-  // |GetHidDllFunctions|.
-  HidPGetCapsFunc hidp_get_caps_;
-  HidPGetButtonCapsFunc hidp_get_button_caps_;
-  HidPGetValueCapsFunc hidp_get_value_caps_;
-  HidPGetUsagesExFunc hidp_get_usages_ex_;
-  HidPGetUsageValueFunc hidp_get_usage_value_;
-  HidPGetScaledUsageValueFunc hidp_get_scaled_usage_value_;
-  HidDGetStringFunc hidd_get_product_string_;
-
-  DISALLOW_COPY_AND_ASSIGN(RawInputDataFetcher);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_GAMEPAD_RAW_INPUT_DATA_FETCHER_WIN_H_