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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.
#include "device/bluetooth/bluetooth_low_energy_discovery_manager_mac.h"
#include "base/mac/mac_util.h"
#include "base/mac/sdk_forward_declarations.h"
#include "base/memory/scoped_ptr.h"
#include "base/strings/sys_string_conversions.h"
#include "device/bluetooth/bluetooth_adapter_mac.h"
#include "device/bluetooth/bluetooth_low_energy_device_mac.h"
namespace device {
BluetoothLowEnergyDiscoveryManagerMac::
~BluetoothLowEnergyDiscoveryManagerMac() {
}
bool BluetoothLowEnergyDiscoveryManagerMac::IsDiscovering() const {
return discovering_;
}
void BluetoothLowEnergyDiscoveryManagerMac::StartDiscovery(
BluetoothDevice::UUIDList services_uuids) {
discovering_ = true;
pending_ = true;
services_uuids_ = services_uuids;
TryStartDiscovery();
}
void BluetoothLowEnergyDiscoveryManagerMac::TryStartDiscovery() {
if (!discovering_) {
VLOG(1) << "TryStartDiscovery !discovering_";
return;
}
if (!pending_) {
VLOG(1) << "TryStartDiscovery !pending_";
return;
}
if (!central_manager_) {
VLOG(1) << "TryStartDiscovery !central_manager_";
return;
}
if ([central_manager_ state] != CBCentralManagerStatePoweredOn) {
VLOG(1) << "TryStartDiscovery != CBCentralManagerStatePoweredOn";
return;
}
// Converts the services UUIDs to a CoreBluetooth data structure.
NSMutableArray* services = nil;
if (!services_uuids_.empty()) {
services = [NSMutableArray array];
for (auto& service_uuid : services_uuids_) {
NSString* uuidString =
base::SysUTF8ToNSString(service_uuid.canonical_value().c_str());
CBUUID* uuid = [CBUUID UUIDWithString:uuidString];
[services addObject:uuid];
}
};
VLOG(1) << "TryStartDiscovery scanForPeripheralsWithServices";
[central_manager_ scanForPeripheralsWithServices:services options:nil];
pending_ = false;
}
void BluetoothLowEnergyDiscoveryManagerMac::StopDiscovery() {
VLOG(1) << "StopDiscovery";
if (discovering_ && !pending_) {
[central_manager_ stopScan];
}
discovering_ = false;
}
void BluetoothLowEnergyDiscoveryManagerMac::SetCentralManager(
CBCentralManager* central_manager) {
central_manager_ = central_manager;
}
void BluetoothLowEnergyDiscoveryManagerMac::DiscoveredPeripheral(
CBPeripheral* peripheral,
NSDictionary* advertisementData,
int rssi) {
VLOG(1) << "DiscoveredPeripheral";
observer_->LowEnergyDeviceUpdated(peripheral, advertisementData, rssi);
}
BluetoothLowEnergyDiscoveryManagerMac*
BluetoothLowEnergyDiscoveryManagerMac::Create(Observer* observer) {
return new BluetoothLowEnergyDiscoveryManagerMac(observer);
}
BluetoothLowEnergyDiscoveryManagerMac::BluetoothLowEnergyDiscoveryManagerMac(
Observer* observer)
: observer_(observer) {
DCHECK(BluetoothAdapterMac::IsLowEnergyAvailable());
discovering_ = false;
}
} // namespace device
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