bluetooth: mac: Initial BluetoothRemoteGattCharacteristicMac implementation

device/bluetooth/bluetooth_remote_gatt_characteristic_mac.h

+// Copyright 2016 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_REMOTE_GATT_CHARACTERISTIC_MAC_H_
+#define DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_CHARACTERISTIC_MAC_H_
+
+#include "device/bluetooth/bluetooth_remote_gatt_characteristic.h"
+
+#include "base/mac/scoped_nsobject.h"
+
+@class CBCharacteristic;
+
+namespace device {
+
+class BluetoothRemoteGattServiceMac;
+
+// The BluetoothRemoteGattCharacteristicMac class implements
+// BluetoothRemoteGattCharacteristic for remote GATT services on OS X.
+class DEVICE_BLUETOOTH_EXPORT BluetoothRemoteGattCharacteristicMac
+    : public BluetoothRemoteGattCharacteristic {
+ public:
+  BluetoothRemoteGattCharacteristicMac(
+      BluetoothRemoteGattServiceMac* gatt_service,
+      CBCharacteristic* cb_characteristic);
+  ~BluetoothRemoteGattCharacteristicMac() override;
+
+  // Override BluetoothGattCharacteristic methods.
+  std::string GetIdentifier() const override;
+  BluetoothUUID GetUUID() const override;
+  Properties GetProperties() const override;
+  Permissions GetPermissions() const override;
+
+  // Override BluetoothRemoteGattCharacteristic methods.
+  const std::vector<uint8_t>& GetValue() const override;
+  BluetoothRemoteGattService* GetService() const override;
+  bool IsNotifying() const override;
+  std::vector<BluetoothRemoteGattDescriptor*> GetDescriptors() const override;
+  BluetoothRemoteGattDescriptor* GetDescriptor(
+      const std::string& identifier) const override;
+  void StartNotifySession(const NotifySessionCallback& callback,
+                          const ErrorCallback& error_callback) override;
+  void ReadRemoteCharacteristic(const ValueCallback& callback,
+                                const ErrorCallback& error_callback) override;
+  void WriteRemoteCharacteristic(const std::vector<uint8_t>& new_value,
+                                 const base::Closure& callback,
+                                 const ErrorCallback& error_callback) override;
+
+  DISALLOW_COPY_AND_ASSIGN(BluetoothRemoteGattCharacteristicMac);
+
+ private:
+  friend class BluetoothRemoteGattServiceMac;
+  friend class BluetoothTestMac;
+
+  // Returns CoreBluetooth characteristic.
+  CBCharacteristic* GetCBCharacteristic() const;
+
+  // gatt_service_ owns instances of this class.
+  BluetoothRemoteGattServiceMac* gatt_service_;
+  // A characteristic from CBPeripheral.services.characteristics.
+  base::scoped_nsobject<CBCharacteristic> cb_characteristic_;
+  // Characteristic identifier.
+  std::string identifier_;
+  // Service UUID.
+  BluetoothUUID uuid_;
+  // Characteristic value.
+  std::vector<uint8_t> value_;
+};
+
+}  // namespace device
+
+#endif  // DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_CHARACTERISTIC_MAC_H_