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