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 18 namespace chromeos { 19 20 // BluetoothInputClient is used to communicate with objects representing 21 // Bluetooth Input (HID) devices. 22 class 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: ~Observer()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. InputAdded(const dbus::ObjectPath & object_path)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. InputRemoved(const dbus::ObjectPath & object_path)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. InputPropertyChanged(const dbus::ObjectPath & object_path,const std::string & property_name)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