| // 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 CHROMEOS_DBUS_BLUETOOTH_PROFILE_SERVICE_PROVIDER_H_ |
| #define CHROMEOS_DBUS_BLUETOOTH_PROFILE_SERVICE_PROVIDER_H_ |
| |
| #include <string> |
| |
| #include "base/basictypes.h" |
| #include "base/callback.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "chromeos/chromeos_export.h" |
| #include "dbus/bus.h" |
| #include "dbus/file_descriptor.h" |
| #include "dbus/object_path.h" |
| |
| namespace chromeos { |
| |
| // BluetoothProfileServiceProvider is used to provide a D-Bus object that the |
| // Bluetooth daemon can communicate with to connect application profiles. |
| // |
| // Instantiate with a chosen D-Bus object path and delegate object, and pass |
| // the D-Bus object path as the |agent_path| argument to the |
| // chromeos::BluetoothProfileManagerClient::RegisterProfile() method. |
| // |
| // When an incoming profile connection occurs, or after initiating a connection |
| // using the chromeos::BluetoothDeviceClient::ConnectProfile() method, the |
| // Bluetooth daemon will make calls to this profile object and they will be |
| // passed on to your Delegate object for handling. Responses should be returned |
| // using the callbacks supplied to those methods. |
| class CHROMEOS_EXPORT BluetoothProfileServiceProvider { |
| public: |
| // Interface for reacting to profile requests. |
| class Delegate { |
| public: |
| virtual ~Delegate() {} |
| |
| // Possible status values that may be returned to callbacks on a new |
| // connection or a requested disconnection. Success indicates acceptance, |
| // reject indicates the user rejected or denied the request; cancelled |
| // means the user cancelled the request without confirming either way. |
| enum Status { |
| SUCCESS, |
| REJECTED, |
| CANCELLED |
| }; |
| |
| // Connection-specific options. |
| struct CHROMEOS_EXPORT Options { |
| Options() {} |
| ~Options() {} |
| |
| // Profile version. |
| uint16 version; |
| |
| // Profile features. |
| uint16 features; |
| }; |
| |
| // The ConfirmationCallback is used for methods which require confirmation; |
| // it should be called with one argument, the |status| of the request |
| // (success, rejected or cancelled). |
| typedef base::Callback<void(Status)> ConfirmationCallback; |
| |
| // This method will be called when the profile is unregistered from the |
| // Bluetooth daemon, generally at shutdown or at the applications' request. |
| // It may be used to perform cleanup tasks. |
| virtual void Release() = 0; |
| |
| // This method will be called when a profile connection to the device |
| // with object path |device_path| is established. |callback| must be called |
| // to confirm the connection, or indicate rejection or cancellation. |
| // |
| // A file descriptor for the connection socket is provided in |fd|, and |
| // details about the specific implementation of the profile in |options|. |
| // |
| // IMPORTANT: Ownership of the file descriptor object |fd| is passed to |
| // the delegate by this call. The delegate is responsible for checking the |
| // validity of |fd| on a thread where I/O is permitted before taking the |
| // value. If the value is not taken, the file descriptor is closed. |
| // |
| // Ownership of |options| is NOT passed so information out of it must be |
| // copied if required. |
| virtual void NewConnection(const dbus::ObjectPath& device_path, |
| scoped_ptr<dbus::FileDescriptor> fd, |
| const Options& options, |
| const ConfirmationCallback& callback) = 0; |
| |
| // This method will be called when a profile connection to the device |
| // with object path |device_path| is disconnected. Any file descriptors |
| // owned by the service should be cleaned up and |callback| called to |
| // confirm, or indicate rejection or cancellation of the disconnection. |
| virtual void RequestDisconnection(const dbus::ObjectPath& device_path, |
| const ConfirmationCallback& callback) = 0; |
| |
| // This method will be called by the Bluetooth daemon to indicate that |
| // a profile request failed before a reply was returned from the device. |
| virtual void Cancel() = 0; |
| }; |
| |
| virtual ~BluetoothProfileServiceProvider(); |
| |
| // Creates the instance where |bus| is the D-Bus bus connection to export |
| // the object onto, |object_path| is the object path that it should have |
| // and |delegate| is the object to which all method calls will be passed |
| // and responses generated from. |
| static BluetoothProfileServiceProvider* Create( |
| dbus::Bus* bus, |
| const dbus::ObjectPath& object_path, |
| Delegate* delegate); |
| |
| protected: |
| BluetoothProfileServiceProvider(); |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(BluetoothProfileServiceProvider); |
| }; |
| |
| } // namespace chromeos |
| |
| #endif // CHROMEOS_DBUS_BLUETOOTH_PROFILE_SERVICE_PROVIDER_H_ |