device/bluetooth: Add chromeos::BluetoothRemoteGattCharacteristicChromeOS.

device/bluetooth/bluetooth_remote_gatt_characteristic_chromeos.h

+// Copyright 2014 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_CHROMEOS_H_
+#define DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_CHARACTERISTIC_CHROMEOS_H_
+
+#include <string>
+#include <vector>
+
+#include "base/memory/weak_ptr.h"
+#include "dbus/object_path.h"
+#include "device/bluetooth/bluetooth_gatt_characteristic.h"
+#include "device/bluetooth/bluetooth_uuid.h"
+
+namespace device {
+
+class BluetoothGattDescriptor;
+class BluetoothGattService;
+
+}  // namespace device
+
+namespace chromeos {
+
+class BluetoothRemoteGattServiceChromeOS;
+
+// The BluetoothRemoteGattCharacteristicChromeOS class implements
+// BluetoothGattCharacteristic for remote GATT characteristics on the Chrome OS
+// platform.
+class BluetoothRemoteGattCharacteristicChromeOS
+    : public device::BluetoothGattCharacteristic {
+ public:
+  // device::BluetoothGattCharacteristic overrides.
+  virtual std::string GetIdentifier() const OVERRIDE;
+  virtual device::BluetoothUUID GetUUID() const OVERRIDE;
+  virtual bool IsLocal() const OVERRIDE;
+  virtual const std::vector<uint8>& GetValue() const OVERRIDE;
+  virtual device::BluetoothGattService* GetService() const OVERRIDE;
+  virtual Properties GetProperties() const OVERRIDE;
+  virtual Permissions GetPermissions() const OVERRIDE;
+  virtual std::vector<device::BluetoothGattDescriptor*>
+      GetDescriptors() const OVERRIDE;
+  virtual bool AddDescriptor(
+      device::BluetoothGattDescriptor* descriptor) OVERRIDE;
+  virtual bool UpdateValue(const std::vector<uint8>& value) OVERRIDE;
+  virtual void ReadRemoteCharacteristic(
+      const ValueCallback& callback,
+      const ErrorCallback& error_callback) OVERRIDE;
+  virtual void WriteRemoteCharacteristic(
+      const std::vector<uint8>& new_value,
+      const base::Closure& callback,
+      const ErrorCallback& error_callback) OVERRIDE;
+
+  // Object path of the underlying D-Bus characteristic.
+  const dbus::ObjectPath& object_path() const { return object_path_; }
+
+ private:
+  friend class BluetoothRemoteGattServiceChromeOS;
+
+  BluetoothRemoteGattCharacteristicChromeOS(
+      BluetoothRemoteGattServiceChromeOS* service,
+      const dbus::ObjectPath& object_path);
+  virtual ~BluetoothRemoteGattCharacteristicChromeOS();
+
+  // Called by dbus:: on completion of the request to get the characteristic
+  // value.
+  void OnGetValue(const ValueCallback& callback,
+                  const ErrorCallback& error_callback,
+                  bool success);
+
+  // Called by dbus:: on completion of the request to set the characteristic
+  // value.
+  void OnSetValue(const base::Closure& callback,
+                  const ErrorCallback& error_callback,
+                  bool success);
+
+  // Object path of the D-Bus characteristic object.
+  dbus::ObjectPath object_path_;
+
+  // The GATT service this GATT characteristic belongs to.
+  BluetoothRemoteGattServiceChromeOS* service_;
+
+  // Note: This should remain the last member so it'll be destroyed and
+  // invalidate its weak pointers before any other members are destroyed.
+  base::WeakPtrFactory<BluetoothRemoteGattCharacteristicChromeOS>
+      weak_ptr_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(BluetoothRemoteGattCharacteristicChromeOS);
+};
+
+}  // namespace chromeos
+
+#endif  // DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_CHARACTERISTIC_CHROMEOS_H_