| // 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 DEVICE_GAMEPAD_GAMEPAD_PLATFORM_DATA_FETCHER_MAC_H_ |
| #define DEVICE_GAMEPAD_GAMEPAD_PLATFORM_DATA_FETCHER_MAC_H_ |
| |
| #include <CoreFoundation/CoreFoundation.h> |
| #include <IOKit/hid/IOHIDManager.h> |
| #include <stddef.h> |
| |
| #include <memory> |
| |
| #include "base/compiler_specific.h" |
| #include "base/mac/scoped_cftyperef.h" |
| #include "base/macros.h" |
| #include "build/build_config.h" |
| #include "device/gamepad/gamepad_data_fetcher.h" |
| #include "device/gamepad/public/cpp/gamepad.h" |
| |
| #if defined(__OBJC__) |
| @class NSArray; |
| #else |
| class NSArray; |
| #endif |
| |
| namespace device { |
| |
| class GamepadPlatformDataFetcherMac : public GamepadDataFetcher { |
| public: |
| typedef GamepadDataFetcherFactoryImpl<GamepadPlatformDataFetcherMac, |
| GAMEPAD_SOURCE_MAC_HID> |
| Factory; |
| |
| GamepadPlatformDataFetcherMac(); |
| ~GamepadPlatformDataFetcherMac() override; |
| |
| GamepadSource source() override; |
| |
| void GetGamepadData(bool devices_changed_hint) override; |
| void PauseHint(bool paused) override; |
| |
| private: |
| bool enabled_; |
| bool paused_; |
| base::ScopedCFTypeRef<IOHIDManagerRef> hid_manager_ref_; |
| |
| static GamepadPlatformDataFetcherMac* InstanceFromContext(void* context); |
| static void DeviceAddCallback(void* context, |
| IOReturn result, |
| void* sender, |
| IOHIDDeviceRef ref); |
| static void DeviceRemoveCallback(void* context, |
| IOReturn result, |
| void* sender, |
| IOHIDDeviceRef ref); |
| static void ValueChangedCallback(void* context, |
| IOReturn result, |
| void* sender, |
| IOHIDValueRef ref); |
| |
| void OnAddedToProvider() override; |
| |
| size_t GetEmptySlot(); |
| size_t GetSlotForDevice(IOHIDDeviceRef device); |
| |
| void DeviceAdd(IOHIDDeviceRef device); |
| bool CheckCollection(IOHIDElementRef element); |
| bool AddButtonsAndAxes(NSArray* elements, PadState* state, size_t slot); |
| void DeviceRemove(IOHIDDeviceRef device); |
| void ValueChanged(IOHIDValueRef value); |
| |
| void RegisterForNotifications(); |
| void UnregisterFromNotifications(); |
| |
| // Side-band data that's not passed to the consumer, but we need to maintain |
| // to update data_. |
| struct AssociatedData { |
| int location_id; |
| IOHIDDeviceRef device_ref; |
| IOHIDElementRef button_elements[Gamepad::kButtonsLengthCap]; |
| IOHIDElementRef axis_elements[Gamepad::kAxesLengthCap]; |
| CFIndex axis_minimums[Gamepad::kAxesLengthCap]; |
| CFIndex axis_maximums[Gamepad::kAxesLengthCap]; |
| CFIndex axis_report_sizes[Gamepad::kAxesLengthCap]; |
| }; |
| AssociatedData associated_[Gamepads::kItemsLengthCap]; |
| |
| DISALLOW_COPY_AND_ASSIGN(GamepadPlatformDataFetcherMac); |
| }; |
| |
| } // namespace device |
| |
| #endif // DEVICE_GAMEPAD_GAMEPAD_PLATFORM_DATA_FETCHER_MAC_H_ |