blob: 849655a4b535f23a765c350f2770ded7b3ebae9f [file] [log] [blame]
// 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.
#include <map>
#include <string>
#include <vector>
#include "base/memory/weak_ptr.h"
#include "chromeos/dbus/bluetooth_gatt_descriptor_client.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 BluetoothRemoteGattDescriptorChromeOS;
class BluetoothRemoteGattServiceChromeOS;
// The BluetoothRemoteGattCharacteristicChromeOS class implements
// BluetoothGattCharacteristic for remote GATT characteristics on the Chrome OS
// platform.
class BluetoothRemoteGattCharacteristicChromeOS
: public device::BluetoothGattCharacteristic,
public BluetoothGattDescriptorClient::Observer {
// 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 device::BluetoothGattDescriptor* GetDescriptor(
const std::string& identifier) 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_; }
friend class BluetoothRemoteGattServiceChromeOS;
BluetoothRemoteGattServiceChromeOS* service,
const dbus::ObjectPath& object_path);
virtual ~BluetoothRemoteGattCharacteristicChromeOS();
// BluetoothGattDescriptorClient::Observer overrides.
virtual void GattDescriptorAdded(
const dbus::ObjectPath& object_path) OVERRIDE;
virtual void GattDescriptorRemoved(
const dbus::ObjectPath& object_path) OVERRIDE;
virtual void GattDescriptorPropertyChanged(
const dbus::ObjectPath& object_path,
const std::string& property_name) OVERRIDE;
// 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_;
// Mapping from GATT descriptor object paths to descriptor objects owned by
// this characteristic. Since the Chrome OS implementation uses object paths
// as unique identifiers, we also use this mapping to return descriptors by
// identifier.
typedef std::map<dbus::ObjectPath, BluetoothRemoteGattDescriptorChromeOS*>
DescriptorMap descriptors_;
// Note: This should remain the last member so it'll be destroyed and
// invalidate its weak pointers before any other members are destroyed.
} // namespace chromeos