| // Copyright (c) 2012 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_GAMEPAD_PLATFORM_DATA_FETCHER_LINUX_H_ |
| #define CONTENT_BROWSER_GAMEPAD_GAMEPAD_PLATFORM_DATA_FETCHER_LINUX_H_ |
| |
| #include <string> |
| |
| #include "base/basictypes.h" |
| #include "base/compiler_specific.h" |
| #include "base/memory/scoped_ptr.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" |
| |
| extern "C" { |
| struct udev_device; |
| } |
| |
| namespace content { |
| |
| class UdevLinux; |
| |
| class GamepadPlatformDataFetcherLinux : public GamepadDataFetcher { |
| public: |
| GamepadPlatformDataFetcherLinux(); |
| ~GamepadPlatformDataFetcherLinux() override; |
| |
| // GamepadDataFetcher implementation. |
| void GetGamepadData(blink::WebGamepads* pads, |
| bool devices_changed_hint) override; |
| |
| private: |
| void RefreshDevice(udev_device* dev); |
| void EnumerateDevices(); |
| void ReadDeviceData(size_t index); |
| |
| // File descriptors for the /dev/input/js* devices. -1 if not in use. |
| int device_fds_[blink::WebGamepads::itemsLengthCap]; |
| |
| // Functions to map from device data to standard layout, if available. May |
| // be null if no mapping is available. |
| GamepadStandardMappingFunction mappers_[blink::WebGamepads::itemsLengthCap]; |
| |
| // Data that's returned to the consumer. |
| blink::WebGamepads data_; |
| |
| scoped_ptr<UdevLinux> udev_; |
| |
| DISALLOW_COPY_AND_ASSIGN(GamepadPlatformDataFetcherLinux); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_GAMEPAD_GAMEPAD_PLATFORM_DATA_FETCHER_LINUX_H_ |