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// Copyright 2018 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_BLUETOOTH_BLUETOOTH_PAIRING_WINRT_H_
#define DEVICE_BLUETOOTH_BLUETOOTH_PAIRING_WINRT_H_
#include <windows.devices.enumeration.h>
#include <windows.foundation.h>
#include <wrl/client.h>
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "base/strings/string_piece_forward.h"
#include "device/bluetooth/bluetooth_device.h"
namespace device {
class BluetoothDeviceWinrt;
// This class encapsulates logic required to perform a custom pairing on WinRT.
// Currently only pairing with a pin code is supported.
class BluetoothPairingWinrt {
public:
using Callback = base::OnceClosure;
using ErrorCallback =
base::OnceCallback<void(BluetoothDevice::ConnectErrorCode)>;
BluetoothPairingWinrt(
BluetoothDeviceWinrt* device,
BluetoothDevice::PairingDelegate* pairing_delegate,
Microsoft::WRL::ComPtr<
ABI::Windows::Devices::Enumeration::IDeviceInformationCustomPairing>
custom_pairing,
Callback callback,
ErrorCallback error_callback);
~BluetoothPairingWinrt();
// Initiates the pairing procedure.
void StartPairing();
// Indicates whether the device is currently pairing and expecting a
// PIN Code to be returned.
bool ExpectingPinCode() const;
// Sends the PIN code |pin_code| to the remote device during pairing.
void SetPinCode(base::StringPiece pin_code);
// Rejects a pairing or connection request from a remote device.
void RejectPairing();
// Cancels a pairing or connection attempt to a remote device.
void CancelPairing();
private:
void OnPairingRequested(
ABI::Windows::Devices::Enumeration::IDeviceInformationCustomPairing*
custom_pairing,
ABI::Windows::Devices::Enumeration::IDevicePairingRequestedEventArgs*
pairing_requested);
void OnPair(Microsoft::WRL::ComPtr<
ABI::Windows::Devices::Enumeration::IDevicePairingResult>
pairing_result);
// Weak. This is the device object that owns this pairing instance.
BluetoothDeviceWinrt* device_;
// Weak. This is the pairing delegate provided to BluetoothDevice::Pair.
// Clients need to ensure the delegate stays alive during the pairing
// procedure.
BluetoothDevice::PairingDelegate* pairing_delegate_;
// Boolean indicating whether the device is currently pairing and expecting a
// PIN Code to be returned.
bool expecting_pin_code_ = false;
Microsoft::WRL::ComPtr<
ABI::Windows::Devices::Enumeration::IDeviceInformationCustomPairing>
custom_pairing_;
Callback callback_;
ErrorCallback error_callback_;
base::Optional<EventRegistrationToken> pairing_requested_token_;
Microsoft::WRL::ComPtr<ABI::Windows::Foundation::IDeferral> pairing_deferral_;
Microsoft::WRL::ComPtr<
ABI::Windows::Devices::Enumeration::IDevicePairingRequestedEventArgs>
pairing_requested_;
base::WeakPtrFactory<BluetoothPairingWinrt> weak_ptr_factory_{this};
DISALLOW_COPY_AND_ASSIGN(BluetoothPairingWinrt);
};
} // namespace device
#endif // DEVICE_BLUETOOTH_BLUETOOTH_PAIRING_WINRT_H_
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