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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 #include "chromeos/dbus/nfc_property_set.h" | |
6 | |
7 #include "base/bind.h" | |
8 #include "third_party/cros_system_api/dbus/service_constants.h" | |
9 | |
10 namespace chromeos { | |
11 | |
12 NfcPropertySet::NfcPropertySet(dbus::ObjectProxy* object_proxy, | |
13 const std::string& interface, | |
14 const PropertyChangedCallback& callback) | |
15 : dbus::PropertySet(object_proxy, interface, callback), | |
16 weak_ptr_factory_(this) {} | |
17 | |
18 NfcPropertySet::~NfcPropertySet() { | |
19 } | |
20 | |
21 void NfcPropertySet::ConnectSignals() { | |
22 object_proxy()->ConnectToSignal( | |
23 interface(), nfc_common::kPropertyChangedSignal, | |
24 base::Bind(&dbus::PropertySet::ChangedReceived, | |
25 weak_ptr_factory_.GetWeakPtr()), | |
26 base::Bind(&dbus::PropertySet::ChangedConnected, | |
27 weak_ptr_factory_.GetWeakPtr())); | |
28 } | |
29 | |
30 void NfcPropertySet::SetAllPropertiesReceivedCallback( | |
31 const base::Closure& callback) { | |
32 on_get_all_callback_ = callback; | |
33 } | |
34 | |
35 void NfcPropertySet::Get(dbus::PropertyBase* property, | |
36 GetCallback callback) { | |
37 NOTREACHED() << "neard does not implement Get for properties."; | |
38 } | |
39 | |
40 void NfcPropertySet::GetAll() { | |
41 dbus::MethodCall method_call( | |
42 interface(), nfc_common::kGetProperties); | |
43 object_proxy()->CallMethodWithErrorCallback( | |
44 &method_call, dbus::ObjectProxy::TIMEOUT_USE_DEFAULT, | |
45 base::Bind(&dbus::PropertySet::OnGetAll, weak_ptr_factory_.GetWeakPtr()), | |
46 base::Bind(&NfcPropertySet::OnGetAllError, | |
47 weak_ptr_factory_.GetWeakPtr())); | |
48 } | |
49 | |
50 void NfcPropertySet::OnGetAll(dbus::Response* response) { | |
51 // First invoke the superclass implementation. If the call to GetAll was | |
52 // successful, this will invoke the PropertyChangedCallback passed to the | |
53 // constructor for each individual property received through the call and | |
54 // make sure that the values of the properties have been cached. This way, | |
55 // all received properties will be available when |on_get_all_callback_| is | |
56 // run. | |
57 dbus::PropertySet::OnGetAll(response); | |
58 if (response) { | |
59 VLOG(2) << "NfcPropertySet::GetAll returned successfully."; | |
60 if (!on_get_all_callback_.is_null()) | |
61 on_get_all_callback_.Run(); | |
62 } | |
63 } | |
64 | |
65 void NfcPropertySet::Set(dbus::PropertyBase* property, | |
66 SetCallback callback) { | |
67 dbus::MethodCall method_call( | |
68 interface(), nfc_common::kSetProperty); | |
69 dbus::MessageWriter writer(&method_call); | |
70 writer.AppendString(property->name()); | |
71 property->AppendSetValueToWriter(&writer); | |
72 object_proxy()->CallMethod( | |
73 &method_call, dbus::ObjectProxy::TIMEOUT_USE_DEFAULT, | |
74 base::Bind(&dbus::PropertySet::OnSet, weak_ptr_factory_.GetWeakPtr(), | |
75 property, callback)); | |
76 } | |
77 | |
78 void NfcPropertySet::ChangedReceived(dbus::Signal* signal) { | |
79 DCHECK(signal); | |
80 dbus::MessageReader reader(signal); | |
81 UpdatePropertyFromReader(&reader); | |
82 } | |
83 | |
84 void NfcPropertySet::OnGetAllError(dbus::ErrorResponse* response) { | |
85 if (response) { | |
86 dbus::MessageReader reader(response); | |
87 std::string error_message; | |
88 reader.PopString(&error_message); | |
89 | |
90 if (response->GetErrorName() == DBUS_ERROR_SERVICE_UNKNOWN) { | |
91 // Do not LOG(ERROR) if service is unknown. crbug.com/393311. | |
92 VLOG(2) << "NfcPropertySet::GetAll failed because the service is unknown." | |
93 << " NFC not enabled on this device? : " << error_message; | |
94 } else { | |
95 LOG(ERROR) << "NfcPropertySet::GetAll failed: " << error_message; | |
96 } | |
97 } | |
98 OnGetAll(nullptr); | |
99 } | |
100 | |
101 } // namespace chromeos | |
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