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1 // Copyright (c) 2012 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 CHROME_BROWSER_CHROMEOS_DBUS_BLUETOOTH_NODE_CLIENT_H_ | |
6 #define CHROME_BROWSER_CHROMEOS_DBUS_BLUETOOTH_NODE_CLIENT_H_ | |
7 #pragma once | |
8 | |
9 #include <string> | |
10 | |
11 #include "base/callback.h" | |
12 #include "base/observer_list.h" | |
13 #include "base/values.h" | |
14 #include "chrome/browser/chromeos/dbus/bluetooth_property.h" | |
15 #include "chrome/browser/chromeos/dbus/dbus_client_implementation_type.h" | |
16 #include "dbus/object_path.h" | |
17 | |
18 namespace dbus { | |
19 class Bus; | |
20 } // namespace dbus | |
21 | |
22 namespace chromeos { | |
23 | |
24 class BluetoothDeviceClient; | |
25 | |
26 // BluetoothNodeClient is used to represent persistent device nodes | |
27 // bound to bluetooth devices, such as RFCOMM TTY bindings to ttyX devices | |
28 // in Linux. | |
29 class BluetoothNodeClient { | |
30 public: | |
31 // Structure of properties associated with persistent device nodes. | |
32 struct Properties : public BluetoothPropertySet { | |
33 // The name of the device node under /dev. Read-only. | |
34 BluetoothProperty<std::string> name; | |
35 | |
36 // Object path of the device the node binding belongs to. Read-only. | |
37 BluetoothProperty<dbus::ObjectPath> device; | |
38 | |
39 Properties(dbus::ObjectProxy* object_proxy, | |
40 PropertyChangedCallback callback); | |
41 virtual ~Properties(); | |
42 }; | |
43 | |
44 // Interface for observing changes from a persistent device node binding. | |
45 class Observer { | |
46 public: | |
47 virtual ~Observer() {} | |
48 | |
49 // Called when the node binding with object path |object_path| has a | |
50 // change in value of the property named |property_name|. | |
51 virtual void NodePropertyChanged(const dbus::ObjectPath& object_path, | |
52 const std::string& property_name) {} | |
53 }; | |
54 | |
55 virtual ~BluetoothNodeClient(); | |
56 | |
57 // Adds and removes observers for events on all persistent device node | |
58 // bindings. Check the |object_path| parameter of observer methods to | |
59 // determine which device node binding is issuing the event. | |
60 virtual void AddObserver(Observer* observer) = 0; | |
61 virtual void RemoveObserver(Observer* observer) = 0; | |
62 | |
63 // Obtain the properties for the node binding with object path |object_path|, | |
64 // any values should be copied if needed. | |
65 virtual Properties* GetProperties(const dbus::ObjectPath& object_path) = 0; | |
66 | |
67 // Creates the instance. | |
68 static BluetoothNodeClient* Create(DBusClientImplementationType type, | |
69 dbus::Bus* bus, | |
70 BluetoothDeviceClient* device_client); | |
71 | |
72 protected: | |
73 BluetoothNodeClient(); | |
74 | |
75 private: | |
76 DISALLOW_COPY_AND_ASSIGN(BluetoothNodeClient); | |
77 }; | |
78 | |
79 } // namespace chromeos | |
80 | |
81 #endif // CHROME_BROWSER_CHROMEOS_DBUS_BLUETOOTH_NODE_CLIENT_H_ | |
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