Reland "Add Linux support for the Bluetooth API"

device/bluetooth/bluetooth_remote_gatt_service_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_SERVICE_CHROMEOS_H_
-#define DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_SERVICE_CHROMEOS_H_
-
-#include <map>
-#include <string>
-#include <vector>
-
-#include "base/memory/ref_counted.h"
-#include "base/memory/weak_ptr.h"
-#include "base/observer_list.h"
-#include "dbus/object_path.h"
-#include "device/bluetooth/bluetooth_gatt_service.h"
-#include "device/bluetooth/bluetooth_uuid.h"
-#include "device/bluetooth/dbus/bluetooth_gatt_characteristic_client.h"
-#include "device/bluetooth/dbus/bluetooth_gatt_service_client.h"
-
-namespace device {
-
-class BluetoothAdapter;
-class BluetoothGattCharacteristic;
-
-}  // namespace device
-
-namespace chromeos {
-
-class BluetoothAdapterChromeOS;
-class BluetoothDeviceChromeOS;
-class BluetoothRemoteGattCharacteristicChromeOS;
-class BluetoothRemoteGattDescriptorChromeOS;
-
-// The BluetoothRemoteGattServiceChromeOS class implements BluetootGattService
-// for remote GATT services on the Chrome OS platform.
-class BluetoothRemoteGattServiceChromeOS
-    : public device::BluetoothGattService,
-      public bluez::BluetoothGattServiceClient::Observer,
-      public bluez::BluetoothGattCharacteristicClient::Observer {
- public:
-  // device::BluetoothGattService overrides.
-  std::string GetIdentifier() const override;
-  device::BluetoothUUID GetUUID() const override;
-  bool IsLocal() const override;
-  bool IsPrimary() const override;
-  device::BluetoothDevice* GetDevice() const override;
-  std::vector<device::BluetoothGattCharacteristic*> GetCharacteristics()
-      const override;
-  std::vector<device::BluetoothGattService*> GetIncludedServices()
-      const override;
-  device::BluetoothGattCharacteristic* GetCharacteristic(
-      const std::string& identifier) const override;
-  bool AddCharacteristic(
-      device::BluetoothGattCharacteristic* characteristic) override;
-  bool AddIncludedService(device::BluetoothGattService* service) override;
-  void Register(const base::Closure& callback,
-                const ErrorCallback& error_callback) override;
-  void Unregister(const base::Closure& callback,
-                  const ErrorCallback& error_callback) override;
-
-  // Object path of the underlying service.
-  const dbus::ObjectPath& object_path() const { return object_path_; }
-
-  // Parses a named D-Bus error into a service error code.
-  static device::BluetoothGattService::GattErrorCode DBusErrorToServiceError(
-      const std::string error_name);
-
-  // Returns the adapter associated with this service.
-  BluetoothAdapterChromeOS* GetAdapter() const;
-
-  // Notifies its observers that the GATT service has changed. This is mainly
-  // used by BluetoothRemoteGattCharacteristicChromeOS instances to notify
-  // service observers when characteristic descriptors get added and removed.
-  void NotifyServiceChanged();
-
-  // Notifies its observers that a descriptor |descriptor| belonging to
-  // characteristic |characteristic| has been added or removed. This is used
-  // by BluetoothRemoteGattCharacteristicChromeOS instances to notify service
-  // observers when characteristic descriptors get added and removed. If |added|
-  // is true, an "Added" event will be sent. Otherwise, a "Removed" event will
-  // be sent.
-  void NotifyDescriptorAddedOrRemoved(
-      BluetoothRemoteGattCharacteristicChromeOS* characteristic,
-      BluetoothRemoteGattDescriptorChromeOS* descriptor,
-      bool added);
-
-  // Notifies its observers that the value of a descriptor has changed. Called
-  // by BluetoothRemoteGattCharacteristicChromeOS instances to notify service
-  // observers.
-  void NotifyDescriptorValueChanged(
-      BluetoothRemoteGattCharacteristicChromeOS* characteristic,
-      BluetoothRemoteGattDescriptorChromeOS* descriptor,
-      const std::vector<uint8>& value);
-
- private:
-  friend class BluetoothDeviceChromeOS;
-
-  typedef std::map<dbus::ObjectPath, BluetoothRemoteGattCharacteristicChromeOS*>
-      CharacteristicMap;
-
-  BluetoothRemoteGattServiceChromeOS(BluetoothAdapterChromeOS* adapter,
-                                     BluetoothDeviceChromeOS* device,
-                                     const dbus::ObjectPath& object_path);
-  ~BluetoothRemoteGattServiceChromeOS() override;
-
-  // bluez::BluetoothGattServiceClient::Observer override.
-  void GattServicePropertyChanged(const dbus::ObjectPath& object_path,
-                                  const std::string& property_name) override;
-
-  // bluez::BluetoothGattCharacteristicClient::Observer override.
-  void GattCharacteristicAdded(const dbus::ObjectPath& object_path) override;
-  void GattCharacteristicRemoved(const dbus::ObjectPath& object_path) override;
-  void GattCharacteristicPropertyChanged(
-      const dbus::ObjectPath& object_path,
-      const std::string& property_name) override;
-
-  // Object path of the GATT service.
-  dbus::ObjectPath object_path_;
-
-  // The adapter associated with this service. It's ok to store a raw pointer
-  // here since |adapter_| indirectly owns this instance.
-  BluetoothAdapterChromeOS* adapter_;
-
-  // The device this GATT service belongs to. It's ok to store a raw pointer
-  // here since |device_| owns this instance.
-  BluetoothDeviceChromeOS* device_;
-
-  // Mapping from GATT characteristic object paths to characteristic objects.
-  // owned by this service. Since the Chrome OS implementation uses object
-  // paths as unique identifiers, we also use this mapping to return
-  // characteristics by identifier.
-  CharacteristicMap characteristics_;
-
-  // Indicates whether or not the characteristics of this service are known to
-  // have been discovered.
-  bool discovery_complete_;
-
-  // 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<BluetoothRemoteGattServiceChromeOS> weak_ptr_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(BluetoothRemoteGattServiceChromeOS);
-};
-
-}  // namespace chromeos
-
-#endif  // DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_SERVICE_CHROMEOS_H_