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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/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "base/observer_list.h"
#include "device/bluetooth/bluetooth_adapter.h"
#ifdef __OBJC__
@class BluetoothAdapterMacDelegate;
@class IOBluetoothDevice;
@class IOBluetoothDeviceInquiry;
@class NSArray;
@class NSDate;
#else
class BluetoothAdapterMacDelegate;
class IOBluetoothDevice;
class IOBluetoothDeviceInquiry;
class NSArray;
class NSDate;
#endif
namespace base {
class SequencedTaskRunner;
} // namespace base
namespace device {
class BluetoothAdapterMacTest;
class BluetoothAdapterMac : public BluetoothAdapter {
public:
// BluetoothAdapter override
virtual void AddObserver(BluetoothAdapter::Observer* observer) OVERRIDE;
virtual void RemoveObserver(BluetoothAdapter::Observer* observer) OVERRIDE;
virtual std::string GetAddress() const OVERRIDE;
virtual std::string GetName() const OVERRIDE;
virtual bool IsInitialized() const OVERRIDE;
virtual bool IsPresent() const OVERRIDE;
virtual bool IsPowered() const OVERRIDE;
virtual void SetPowered(
bool powered,
const base::Closure& callback,
const ErrorCallback& error_callback) OVERRIDE;
virtual bool IsDiscovering() const OVERRIDE;
virtual void StartDiscovering(
const base::Closure& callback,
const ErrorCallback& error_callback) OVERRIDE;
virtual void StopDiscovering(
const base::Closure& callback,
const ErrorCallback& error_callback) OVERRIDE;
virtual void ReadLocalOutOfBandPairingData(
const BluetoothOutOfBandPairingDataCallback& callback,
const ErrorCallback& error_callback) OVERRIDE;
// called by BluetoothAdapterMacDelegate.
void DeviceInquiryStarted(IOBluetoothDeviceInquiry* inquiry);
void DeviceFound(IOBluetoothDeviceInquiry* inquiry,
IOBluetoothDevice* device);
void DeviceInquiryComplete(IOBluetoothDeviceInquiry* inquiry,
IOReturn error,
bool aborted);
private:
friend class BluetoothAdapterFactory;
friend class BluetoothAdapterMacTest;
enum DiscoveryStatus {
NOT_DISCOVERING,
DISCOVERY_STARTING,
DISCOVERING,
DISCOVERY_STOPPING
};
BluetoothAdapterMac();
virtual ~BluetoothAdapterMac();
void Init();
void InitForTest(scoped_refptr<base::SequencedTaskRunner> ui_task_runner);
void PollAdapter();
// Updates |devices_| to be consistent with |devices|.
void UpdateDevices(NSArray* devices);
void MaybeStartDeviceInquiry();
void MaybeStopDeviceInquiry();
typedef std::vector<std::pair<base::Closure, ErrorCallback> >
DiscoveryCallbackList;
void RunCallbacks(const DiscoveryCallbackList& callback_list,
bool success) const;
std::string address_;
std::string name_;
bool powered_;
DiscoveryStatus discovery_status_;
DiscoveryCallbackList on_start_discovery_callbacks_;
DiscoveryCallbackList on_stop_discovery_callbacks_;
size_t num_discovery_listeners_;
BluetoothAdapterMacDelegate* adapter_delegate_;
IOBluetoothDeviceInquiry* device_inquiry_;
// A list of discovered device addresses.
// This list is used to check if the same device is discovered twice during
// the discovery between consecutive inquiries.
base::hash_set<std::string> discovered_devices_;
// Timestamp for the recently accessed device.
// Used to determine if |devices_| needs an update.
NSDate* recently_accessed_device_timestamp_;
scoped_refptr<base::SequencedTaskRunner> ui_task_runner_;
// List of observers interested in event notifications from us.
ObserverList<BluetoothAdapter::Observer> observers_;
base::WeakPtrFactory<BluetoothAdapterMac> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(BluetoothAdapterMac);
};
} // namespace device
#endif // DEVICE_BLUETOOTH_BLUETOOTH_ADAPTER_MAC_H_
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