1// Copyright 2013 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#ifndef CHROMEOS_DBUS_BLUETOOTH_INPUT_CLIENT_H_ 6#define CHROMEOS_DBUS_BLUETOOTH_INPUT_CLIENT_H_ 7 8#include <string> 9#include <vector> 10 11#include "base/callback.h" 12#include "base/observer_list.h" 13#include "chromeos/chromeos_export.h" 14#include "chromeos/dbus/dbus_client_implementation_type.h" 15#include "dbus/object_path.h" 16#include "dbus/property.h" 17 18namespace dbus { 19class Bus; 20} // namespace dbus 21 22namespace chromeos { 23 24// BluetoothInputClient is used to communicate with objects representing 25// Bluetooth Input (HID) devices. 26class CHROMEOS_EXPORT BluetoothInputClient { 27 public: 28 // Structure of properties associated with bluetooth input devices. 29 struct Properties : public dbus::PropertySet { 30 // The Bluetooth input device reconnect mode. Read-only. 31 dbus::Property<std::string> reconnect_mode; 32 33 Properties(dbus::ObjectProxy* object_proxy, 34 const std::string& interface_name, 35 const PropertyChangedCallback& callback); 36 virtual ~Properties(); 37 }; 38 39 // Interface for observing changes from a remote bluetooth input device. 40 class Observer { 41 public: 42 virtual ~Observer() {} 43 44 // Called when the remote device with object path |object_path| implementing 45 // the Input interface is added to the set of known devices or an already 46 // known device implements the Input interface. 47 virtual void InputAdded(const dbus::ObjectPath& object_path) {} 48 49 // Called when the remote device with object path |object_path| is removed 50 // from the set of known devices or does not implement the Input interface 51 // anymore. 52 virtual void InputRemoved(const dbus::ObjectPath& object_path) {} 53 54 // Called when the device with object path |object_path| has a 55 // change in value of the property named |property_name| of its Input 56 // interface. 57 virtual void InputPropertyChanged(const dbus::ObjectPath& object_path, 58 const std::string& property_name) {} 59 }; 60 61 virtual ~BluetoothInputClient(); 62 63 // Adds and removes observers for events on all remote bluetooth input 64 // devices. Check the |object_path| parameter of observer methods to 65 // determine which device is issuing the event. 66 virtual void AddObserver(Observer* observer) = 0; 67 virtual void RemoveObserver(Observer* observer) = 0; 68 69 // Obtain the properties for the device with object path |object_path|, 70 // any values should be copied if needed. 71 virtual Properties* GetProperties(const dbus::ObjectPath& object_path) = 0; 72 73 // Creates the instance. 74 static BluetoothInputClient* Create(DBusClientImplementationType type, 75 dbus::Bus* bus); 76 77 protected: 78 BluetoothInputClient(); 79 80 private: 81 DISALLOW_COPY_AND_ASSIGN(BluetoothInputClient); 82}; 83 84} // namespace chromeos 85 86#endif // CHROMEOS_DBUS_BLUETOOTH_INPUT_CLIENT_H_ 87