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// Copyright 2013 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_ADAPTER_MAC_H_
#define DEVICE_BLUETOOTH_BLUETOOTH_ADAPTER_MAC_H_
#include <IOKit/IOReturn.h>
#include <string>
#include <vector>
#include "base/containers/hash_tables.h"
#include "base/mac/scoped_nsobject.h"
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "base/observer_list.h"
#include "device/bluetooth/bluetooth_adapter.h"
#include "device/bluetooth/bluetooth_audio_sink.h"
#include "device/bluetooth/bluetooth_discovery_manager_mac.h"
#include "device/bluetooth/bluetooth_export.h"
#include "device/bluetooth/bluetooth_low_energy_device_mac.h"
#include "device/bluetooth/bluetooth_low_energy_discovery_manager_mac.h"
@class IOBluetoothDevice;
@class NSArray;
@class NSDate;
namespace base {
class SequencedTaskRunner;
} // namespace base
@class BluetoothLowEnergyCentralManagerDelegate;
namespace device {
class DEVICE_BLUETOOTH_EXPORT BluetoothAdapterMac
: public BluetoothAdapter,
public BluetoothDiscoveryManagerMac::Observer,
public BluetoothLowEnergyDiscoveryManagerMac::Observer {
public:
static base::WeakPtr<BluetoothAdapterMac> CreateAdapter();
static base::WeakPtr<BluetoothAdapterMac> CreateAdapterForTest(
std::string name,
std::string address,
scoped_refptr<base::SequencedTaskRunner> ui_task_runner);
// BluetoothAdapter overrides:
std::string GetAddress() const override;
std::string GetName() const override;
void SetName(const std::string& name,
const base::Closure& callback,
const ErrorCallback& error_callback) override;
bool IsInitialized() const override;
bool IsPresent() const override;
bool IsPowered() const override;
void SetPowered(bool powered,
const base::Closure& callback,
const ErrorCallback& error_callback) override;
bool IsDiscoverable() const override;
void SetDiscoverable(bool discoverable,
const base::Closure& callback,
const ErrorCallback& error_callback) override;
bool IsDiscovering() const override;
void CreateRfcommService(
const BluetoothUUID& uuid,
const ServiceOptions& options,
const CreateServiceCallback& callback,
const CreateServiceErrorCallback& error_callback) override;
void CreateL2capService(
const BluetoothUUID& uuid,
const ServiceOptions& options,
const CreateServiceCallback& callback,
const CreateServiceErrorCallback& error_callback) override;
void RegisterAudioSink(
const BluetoothAudioSink::Options& options,
const AcquiredCallback& callback,
const BluetoothAudioSink::ErrorCallback& error_callback) override;
void RegisterAdvertisement(
scoped_ptr<BluetoothAdvertisement::Data> advertisement_data,
const CreateAdvertisementCallback& callback,
const CreateAdvertisementErrorCallback& error_callback) override;
// BluetoothDiscoveryManagerMac::Observer overrides:
void ClassicDeviceFound(IOBluetoothDevice* device) override;
void ClassicDiscoveryStopped(bool unexpected) override;
// Registers that a new |device| has connected to the local host.
void DeviceConnected(IOBluetoothDevice* device);
// We only use CoreBluetooth when OS X >= 10.10. This because the
// CBCentralManager destructor was found to crash on the mac_chromium_rel_ng
// builder running 10.9.5. May also cause blued to crash on OS X 10.9.5
// (crbug.com/506287).
static bool IsLowEnergyAvailable();
// Creates a GATT connection by calling CoreBluetooth APIs.
void CreateGattConnection(BluetoothLowEnergyDeviceMac* device_mac);
// Closes the GATT connection by calling CoreBluetooth APIs.
void DisconnectGatt(BluetoothLowEnergyDeviceMac* device_mac);
// Methods called from CBCentralManager delegate.
void DidConnectPeripheral(CBPeripheral* peripheral);
void DidFailToConnectPeripheral(CBPeripheral* peripheral, NSError* error);
void DidDisconnectPeripheral(CBPeripheral* peripheral, NSError* error);
protected:
// BluetoothAdapter override:
void RemovePairingDelegateInternal(
device::BluetoothDevice::PairingDelegate* pairing_delegate) override;
private:
// Resets |low_energy_central_manager_| to |central_manager| and sets
// |low_energy_central_manager_delegate_| as the manager's delegate. Should
// be called only when |IsLowEnergyAvailable()|.
void SetCentralManagerForTesting(CBCentralManager* central_manager);
CBCentralManager* GetCentralManagerForTesting();
// The length of time that must elapse since the last Inquiry response (on
// Classic devices) or call to BluetoothLowEnergyDevice::Update() (on Low
// Energy) before a discovered device is considered to be no longer available.
const static NSTimeInterval kDiscoveryTimeoutSec;
friend class BluetoothTestMac;
friend class BluetoothAdapterMacTest;
friend class BluetoothLowEnergyCentralManagerBridge;
BluetoothAdapterMac();
~BluetoothAdapterMac() override;
// BluetoothAdapter overrides:
void AddDiscoverySession(
BluetoothDiscoveryFilter* discovery_filter,
const base::Closure& callback,
const DiscoverySessionErrorCallback& error_callback) override;
void RemoveDiscoverySession(
BluetoothDiscoveryFilter* discovery_filter,
const base::Closure& callback,
const DiscoverySessionErrorCallback& error_callback) override;
void SetDiscoveryFilter(
scoped_ptr<BluetoothDiscoveryFilter> discovery_filter,
const base::Closure& callback,
const DiscoverySessionErrorCallback& error_callback) override;
// Start classic and/or low energy discovery sessions, according to the
// filter. If a discovery session is already running the filter is updated.
bool StartDiscovery(BluetoothDiscoveryFilter* discovery_filter);
void Init();
void InitForTest(scoped_refptr<base::SequencedTaskRunner> ui_task_runner);
void PollAdapter();
// Registers that a new |device| has replied to an Inquiry, is paired, or has
// connected to the local host.
void ClassicDeviceAdded(IOBluetoothDevice* device);
// BluetoothLowEnergyDiscoveryManagerMac::Observer override:
void LowEnergyDeviceUpdated(CBPeripheral* peripheral,
NSDictionary* advertisement_data,
int rssi) override;
// Updates |devices_| when there is a change to the CBCentralManager's state.
void LowEnergyCentralManagerUpdatedState();
// Removes from |devices_| any previously paired, connected or seen devices
// which are no longer present. Notifies observers.
void RemoveTimedOutDevices();
// Updates |devices_| to include the currently paired devices and notifies
// observers.
void AddPairedDevices();
// Returns the BLE device associated with the CoreBluetooth peripheral.
BluetoothLowEnergyDeviceMac* GetBluetoothLowEnergyDeviceMac(
CBPeripheral* peripheral);
std::string address_;
std::string name_;
bool classic_powered_;
int num_discovery_sessions_;
// Discovery manager for Bluetooth Classic.
scoped_ptr<BluetoothDiscoveryManagerMac> classic_discovery_manager_;
// Discovery manager for Bluetooth Low Energy.
scoped_ptr<BluetoothLowEnergyDiscoveryManagerMac>
low_energy_discovery_manager_;
// Underlying CoreBluetooth CBCentralManager and its delegate.
base::scoped_nsobject<CBCentralManager> low_energy_central_manager_;
base::scoped_nsobject<BluetoothLowEnergyCentralManagerDelegate>
low_energy_central_manager_delegate_;
scoped_refptr<base::SequencedTaskRunner> ui_task_runner_;
base::WeakPtrFactory<BluetoothAdapterMac> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(BluetoothAdapterMac);
};
} // namespace device
#endif // DEVICE_BLUETOOTH_BLUETOOTH_ADAPTER_MAC_H_
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