blob: 67b6c12ea24c70b1ca8442cb1a22c34be54ac55f [file] [log] [blame]
// 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.
#include <CoreFoundation/CoreFoundation.h>
#include <IOKit/hid/IOHIDManager.h>
#include <stddef.h>
#include <memory>
#include "base/mac/scoped_cftyperef.h"
#include "base/macros.h"
#include "base/memory/scoped_refptr.h"
#include "device/gamepad/gamepad_data_fetcher.h"
#include "device/gamepad/public/cpp/gamepad.h"
#include "device/gamepad/public/mojom/gamepad.mojom-forward.h"
namespace base {
class SequencedTaskRunner;
} // namespace base
namespace device {
class GamepadDeviceMac;
class GamepadPlatformDataFetcherMac : public GamepadDataFetcher {
using Factory = GamepadDataFetcherFactoryImpl<GamepadPlatformDataFetcherMac,
~GamepadPlatformDataFetcherMac() override;
// GamepadDataFetcher public implementation.
GamepadSource source() override;
void GetGamepadData(bool devices_changed_hint) override;
void PauseHint(bool paused) override;
void PlayEffect(int source_id,
scoped_refptr<base::SequencedTaskRunner>) override;
void ResetVibration(
int source_id,
scoped_refptr<base::SequencedTaskRunner>) override;
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);
// GamepadDataFetcher private implementation.
void OnAddedToProvider() override;
// Returns the GamepadDeviceMac from |devices_| that has the given device
// reference. Returns nullptr if the device is not in |devices_|.
GamepadDeviceMac* GetGamepadFromHidDevice(IOHIDDeviceRef device);
// Query device info for |device| and add it to |devices_| if it is a
// gamepad.
void DeviceAdd(IOHIDDeviceRef device);
// Remove |device| from the set of connected devices.
void DeviceRemove(IOHIDDeviceRef device);
// Update the gamepad state for the button or axis referred to by |value|.
void ValueChanged(IOHIDValueRef value);
// Register for connection events and value change notifications for HID
// devices.
void RegisterForNotifications();
// Unregister from connection events and value change notifications.
void UnregisterFromNotifications();
bool DisconnectUnrecognizedGamepad(int source_id) override;
bool enabled_ = false;
bool paused_ = false;
base::ScopedCFTypeRef<IOHIDManagerRef> hid_manager_ref_;
// A map of all devices using this data fetcher with the source_id as the key.
std::unordered_map<int, std::unique_ptr<GamepadDeviceMac>> devices_;
} // namespace device