Bluetooth: macOS: Implementing read/write for descriptors

device/bluetooth/bluetooth_low_energy_device_mac.h

 // 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_DEVICE_MAC_H_
 #define DEVICE_BLUETOOTH_BLUETOOTH_LOW_ENERGY_DEVICE_MAC_H_
 
 #if defined(OS_IOS)
 #import <CoreBluetooth/CoreBluetooth.h>
 #else  // !defined(OS_IOS)
@@ skipping 10 matching lines @@
 #include "build/build_config.h"
 #include "crypto/sha2.h"
 #include "device/bluetooth/bluetooth_device_mac.h"
 
 @class BluetoothLowEnergyPeripheralDelegate;
 
 namespace device {
 
 class BluetoothAdapterMac;
 class BluetoothRemoteGattServiceMac;
+class BluetoothRemoteGattDescriptorMac;
 
 class DEVICE_BLUETOOTH_EXPORT BluetoothLowEnergyDeviceMac
     : public BluetoothDeviceMac {
  public:
   BluetoothLowEnergyDeviceMac(BluetoothAdapterMac* adapter,
                               CBPeripheral* peripheral);
   ~BluetoothLowEnergyDeviceMac() override;
 
   // BluetoothDevice overrides.
   std::string GetIdentifier() const override;
@@ skipping 42 matching lines @@
 
   // Methods used by BluetoothLowEnergyPeripheralBridge.
   void DidDiscoverPrimaryServices(NSError* error);
   void DidModifyServices(NSArray* invalidatedServices);
   void DidDiscoverCharacteristics(CBService* cb_service, NSError* error);
   void DidUpdateValue(CBCharacteristic* characteristic, NSError* error);
   void DidWriteValue(CBCharacteristic* characteristic, NSError* error);
   void DidUpdateNotificationState(CBCharacteristic* characteristic,
                                   NSError* error);
   void DidDiscoverDescriptors(CBCharacteristic* characteristic, NSError* error);
+  void DidUpdateValueForDescriptor(CBDescriptor* cb_descriptor, NSError* error);
+  void DidWriteValueForDescriptor(CBDescriptor* descriptor, NSError* error);
 
   static std::string GetPeripheralIdentifier(CBPeripheral* peripheral);
 
   // Hashes and truncates the peripheral identifier to deterministically
   // construct an address. The use of fake addresses is a temporary fix before
   // we switch to using bluetooth identifiers throughout Chrome.
   // http://crbug.com/507824
   static std::string GetPeripheralHashAddress(CBPeripheral* peripheral);
 
  private:
@@ skipping 13 matching lines @@
   // Returns the Bluetooth adapter.
   BluetoothAdapterMac* GetMacAdapter();
 
   // Returns the CoreBluetooth Peripheral.
   CBPeripheral* GetPeripheral();
 
   // Returns BluetoothRemoteGattServiceMac based on the CBService.
   BluetoothRemoteGattServiceMac* GetBluetoothRemoteGattService(
       CBService* service) const;
 
+  // Returns BluetoothRemoteGattDescriptorMac based on the CBDescriptor.
+  BluetoothRemoteGattDescriptorMac* GetBluetoothRemoteGattDescriptor(
+      CBDescriptor* cb_descriptor) const;
+
   // Callback used when the CoreBluetooth Peripheral is disconnected.
   void DidDisconnectPeripheral(NSError* error);
 
   // CoreBluetooth data structure.
   base::scoped_nsobject<CBPeripheral> peripheral_;
 
   // Objective-C delegate for the CBPeripheral.
   base::scoped_nsobject<BluetoothLowEnergyPeripheralDelegate>
       peripheral_delegate_;
 
@@ skipping 16 matching lines @@
 };
 
 // Stream operator for logging.
 DEVICE_BLUETOOTH_EXPORT std::ostream& operator<<(
     std::ostream& out,
     const BluetoothLowEnergyDeviceMac& device);
 
 }  // namespace device
 
 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_LOW_ENERGY_DEVICE_MAC_H_