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// Copyright 2015 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_LOW_ENERGY_DISCOVERY_MANAGER_MAC_H_
#define DEVICE_BLUETOOTH_BLUETOOTH_LOW_ENERGY_DISCOVERY_MANAGER_MAC_H_
#if defined(OS_IOS)
#import <CoreBluetooth/CoreBluetooth.h>
#else
#import <IOBluetooth/IOBluetooth.h>
#endif
#include "base/mac/scoped_nsobject.h"
#include "base/mac/sdk_forward_declarations.h"
#include "base/macros.h"
#include "build/build_config.h"
#include "device/bluetooth/bluetooth_device.h"
namespace device {
// This class will scan for Bluetooth LE device on Mac.
class BluetoothLowEnergyDiscoveryManagerMac {
public:
// Interface for being notified of events during a device discovery session.
class Observer {
public:
// Called when |this| manager has found a device or an update on a device.
virtual void LowEnergyDeviceUpdated(CBPeripheral* peripheral,
NSDictionary* advertisementData,
int rssi) = 0;
protected:
virtual ~Observer() {}
};
virtual ~BluetoothLowEnergyDiscoveryManagerMac();
// Returns true, if discovery is currently being performed.
virtual bool IsDiscovering() const;
// Initiates a discovery session.
// BluetoothLowEnergyDeviceMac objects discovered within a previous
// discovery session will be invalid.
virtual void StartDiscovery(BluetoothDevice::UUIDList services_uuids);
// Stops a discovery session.
virtual void StopDiscovery();
// Returns a new BluetoothLowEnergyDiscoveryManagerMac.
static BluetoothLowEnergyDiscoveryManagerMac* Create(Observer* observer);
virtual void SetCentralManager(CBCentralManager* central_manager);
protected:
// Called when a discovery or an update of a BLE device occurred.
virtual void DiscoveredPeripheral(CBPeripheral* peripheral,
NSDictionary* advertisementData,
int rssi);
// The device discovery can really be started when Bluetooth is powered on.
// The method TryStartDiscovery() is called when it's a good time to try to
// start the BLE device discovery. It will check if the discovery session has
// been started and if the Bluetooth is powered and then really start the
// CoreBluetooth BLE device discovery.
virtual void TryStartDiscovery();
private:
explicit BluetoothLowEnergyDiscoveryManagerMac(Observer* observer);
friend class BluetoothAdapterMacTest;
friend class BluetoothLowEnergyCentralManagerBridge;
// Observer interested in notifications from us.
Observer* observer_;
// Underlying CoreBluetooth central manager, owned by |observer_|.
CBCentralManager* central_manager_ = nil;
// Discovery has been initiated by calling the API StartDiscovery().
bool discovering_;
// A discovery has been initiated but has not started yet because it's
// waiting for Bluetooth to turn on.
bool pending_;
// List of service UUIDs to scan.
BluetoothDevice::UUIDList services_uuids_;
DISALLOW_COPY_AND_ASSIGN(BluetoothLowEnergyDiscoveryManagerMac);
};
} // namespace device
#endif // DEVICE_BLUETOOTH_BLUETOOTH_LOW_ENERGY_DISCOVERY_MANAGER_MAC_H_
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