Index: content/browser/gamepad/raw_input_data_fetcher_win.h |
diff --git a/content/browser/gamepad/raw_input_data_fetcher_win.h b/content/browser/gamepad/raw_input_data_fetcher_win.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..06a7533ef675bfbb06850456dd8d36219964cef0 |
--- /dev/null |
+++ b/content/browser/gamepad/raw_input_data_fetcher_win.h |
@@ -0,0 +1,137 @@ |
+// 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 "build/build_config.h" |
+ |
+#include <stdlib.h> |
+#include <Unknwn.h> |
+#include <WinDef.h> |
+#include <windows.h> |
+ |
+#include <hidsdi.h> |
+#include <map> |
+#include <vector> |
+ |
+#include "base/memory/scoped_ptr.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 "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; |
+}; |
+ |
+struct RawGamepadInfo { |
+ HANDLE handle; |
+ scoped_ptr<uint8[]> 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 button_caps_length; |
+ scoped_ptr<HIDP_BUTTON_CAPS[]> button_caps; |
+ |
+ 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(); |
+ |
+ // DestructionObserver overrides. |
+ virtual 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 *HidPGetUsagesFunc)( |
+ HIDP_REPORT_TYPE ReportType, USAGE UsagePage, USHORT LinkCollection, |
+ PUSAGE UsageList, PULONG 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_; |
+ scoped_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_; |
+ HidPGetUsagesFunc hidp_get_usages_; |
+ 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_ |