Bluetooth: Implement new socket API for Chrome OS

device/bluetooth/bluetooth_profile_chromeos.h

-// Copyright 2013 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_PROFILE_CHROMEOS_H_
-#define DEVICE_BLUETOOTH_BLUETOOTH_PROFILE_CHROMEOS_H_
-
-#include <string>
-
-#include "base/basictypes.h"
-#include "base/callback.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/weak_ptr.h"
-#include "base/sequenced_task_runner.h"
-#include "chromeos/chromeos_export.h"
-#include "chromeos/dbus/bluetooth_profile_manager_client.h"
-#include "chromeos/dbus/bluetooth_profile_service_provider.h"
-#include "dbus/object_path.h"
-#include "device/bluetooth/bluetooth_adapter.h"
-#include "device/bluetooth/bluetooth_profile.h"
-#include "device/bluetooth/bluetooth_uuid.h"
-
-namespace dbus {
-
-class FileDescriptor;
-
-}  // namespace dbus
-
-namespace device {
-class BluetoothSocketThread;
-}  // namespace device
-
-namespace chromeos {
-
-class BluetoothSocketChromeOS;
-
-// The BluetoothProfileChromeOS class implements BluetoothProfile for the
-// Chrome OS platform.
-class CHROMEOS_EXPORT BluetoothProfileChromeOS
-    : public device::BluetoothProfile,
-      public device::BluetoothAdapter::Observer,
-      public BluetoothProfileServiceProvider::Delegate {
- public:
-  // BluetoothProfile override.
-  virtual void Unregister() OVERRIDE;
-  virtual void SetConnectionCallback(
-      const ConnectionCallback& callback) OVERRIDE;
-
-  // Return the UUID of the profile.
-  const device::BluetoothUUID& uuid() const { return uuid_; }
-
- private:
-  friend class BluetoothProfile;
-
-  BluetoothProfileChromeOS(
-      scoped_refptr<base::SequencedTaskRunner> ui_task_runner,
-      scoped_refptr<device::BluetoothSocketThread> socket_thread);
-  virtual ~BluetoothProfileChromeOS();
-
-  // Called by BluetoothProfile::Register to initialize the profile object
-  // asynchronously. |uuid|, |options| and |callback| are the arguments to
-  // BluetoothProfile::Register.
-  void Init(const device::BluetoothUUID& uuid,
-            const device::BluetoothProfile::Options& options,
-            const ProfileCallback& callback);
-
-  // BluetoothProfileServiceProvider::Delegate override.
-  virtual void Released() OVERRIDE;
-  virtual void NewConnection(
-      const dbus::ObjectPath& device_path,
-      scoped_ptr<dbus::FileDescriptor> fd,
-      const BluetoothProfileServiceProvider::Delegate::Options& options,
-      const ConfirmationCallback& callback) OVERRIDE;
-  virtual void RequestDisconnection(
-      const dbus::ObjectPath& device_path,
-      const ConfirmationCallback& callback) OVERRIDE;
-  virtual void Cancel() OVERRIDE;
-
-  // device::BluetoothAdapter::Observer override.
-  virtual void AdapterPresentChanged(device::BluetoothAdapter* adapter,
-                                     bool present) OVERRIDE;
-
-  // Called by dbus:: on completion of the D-Bus method call to register the
-  // profile object as a result of the adapter becoming present.
-  void OnInternalRegisterProfile();
-  void OnInternalRegisterProfileError(const std::string& error_name,
-                                      const std::string& error_message);
-
-  // Internal method run to get the adapter object during initialization.
-  void OnGetAdapter(const ProfileCallback& callback,
-                    scoped_refptr<device::BluetoothAdapter> adapter);
-
-  // Called by dbus:: on completion of the D-Bus method call to register the
-  // profile object during initialization.
-  void OnRegisterProfile(const ProfileCallback& callback);
-  void OnRegisterProfileError(const ProfileCallback& callback,
-                              const std::string& error_name,
-                              const std::string& error_message);
-
-  // Called by dbus:: on completion of the D-Bus method call to unregister
-  // the profile object.
-  void OnUnregisterProfile();
-  void OnUnregisterProfileError(const std::string& error_name,
-                                const std::string& error_message);
-
-  // Method run once the file descriptor has been validated in order to get
-  // the device object to be passed to the connection callback.
-  //
-  // The |fd| argument is moved compared to the NewConnection() call since it
-  // becomes the result of a PostTaskAndReplyWithResult() call.
-  void OnCheckValidity(
-      const dbus::ObjectPath& device_path,
-      const BluetoothProfileServiceProvider::Delegate::Options& options,
-      const ConfirmationCallback& callback,
-      scoped_ptr<dbus::FileDescriptor> fd);
-
-  // Methods run after the socket has been connected to a
-  // BluetoothSocketChromeOS instance on the I/O thread, these methods complete
-  // the incoming connection calling both the Bluetooth daemon callback
-  // |callback| to indicate success or failure and calling this object's
-  // new connection callback method.
-  void OnConnect(const dbus::ObjectPath& device_path,
-                 scoped_refptr<BluetoothSocketChromeOS> socket,
-                 const ConfirmationCallback& callback);
-  void OnConnectError(const ConfirmationCallback& callback,
-                      const std::string& error_message);
-
-  // UUID of the profile passed during initialization.
-  device::BluetoothUUID uuid_;
-
-  // Copy of the profile options passed during initialization.
-  BluetoothProfileManagerClient::Options options_;
-
-  // Object path of the local profile D-Bus object.
-  dbus::ObjectPath object_path_;
-
-  // Local profile D-Bus object used for receiving profile delegate methods
-  // from BlueZ.
-  scoped_ptr<BluetoothProfileServiceProvider> profile_;
-
-  // Reference to the adapter object, the profile is re-registered when the
-  // adapter changes.
-  scoped_refptr<device::BluetoothAdapter> adapter_;
-
-  // Callback used on both outgoing and incoming connections to pass the
-  // connected socket to profile object owner.
-  ConnectionCallback connection_callback_;
-
-  // UI thread task runner and socket thread object used to create sockets.
-  scoped_refptr<base::SequencedTaskRunner> ui_task_runner_;
-  scoped_refptr<device::BluetoothSocketThread> socket_thread_;
-
-  // 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<BluetoothProfileChromeOS> weak_ptr_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(BluetoothProfileChromeOS);
-};
-
-}  // namespace chromeos
-
-#endif  // DEVICE_BLUETOOTH_BLUETOOTH_PROFILE_CHROMEOS_H_