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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 }
     17 
     18 NfcPropertySet::~NfcPropertySet() {
     19 }
     20 
     21 void NfcPropertySet::ConnectSignals() {
     22   object_proxy()->ConnectToSignal(
     23       interface(),
     24       nfc_common::kPropertyChangedSignal,
     25       base::Bind(&dbus::PropertySet::ChangedReceived, GetWeakPtr()),
     26       base::Bind(&dbus::PropertySet::ChangedConnected, GetWeakPtr()));
     27 }
     28 
     29 void NfcPropertySet::SetAllPropertiesReceivedCallback(
     30     const base::Closure& callback) {
     31   on_get_all_callback_ = callback;
     32 }
     33 
     34 void NfcPropertySet::Get(dbus::PropertyBase* property,
     35                          GetCallback callback) {
     36   NOTREACHED() << "neard does not implement Get for properties.";
     37 }
     38 
     39 void NfcPropertySet::GetAll() {
     40   dbus::MethodCall method_call(
     41       interface(), nfc_common::kGetProperties);
     42   object_proxy()->CallMethod(&method_call,
     43                            dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
     44                            base::Bind(&dbus::PropertySet::OnGetAll,
     45                                       GetWeakPtr()));
     46 }
     47 
     48 void NfcPropertySet::OnGetAll(dbus::Response* response) {
     49   // First invoke the superclass implementation. If the call to GetAll was
     50   // successful, this will invoke the PropertyChangedCallback passed to the
     51   // constructor for each individual property received through the call and
     52   // make sure that the values of the properties have been cached. This way,
     53   // all received properties will be available when |on_get_all_callback_| is
     54   // run.
     55   dbus::PropertySet::OnGetAll(response);
     56   if (response) {
     57     VLOG(2) << "NfcPropertySet::GetAll returned successfully.";
     58     if (!on_get_all_callback_.is_null())
     59       on_get_all_callback_.Run();
     60   }
     61 }
     62 
     63 void NfcPropertySet::Set(dbus::PropertyBase* property,
     64                          SetCallback callback) {
     65   dbus::MethodCall method_call(
     66       interface(), nfc_common::kSetProperty);
     67   dbus::MessageWriter writer(&method_call);
     68   writer.AppendString(property->name());
     69   property->AppendSetValueToWriter(&writer);
     70   object_proxy()->CallMethod(&method_call,
     71                            dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
     72                            base::Bind(&dbus::PropertySet::OnSet,
     73                                       GetWeakPtr(),
     74                                       property,
     75                                       callback));
     76 }
     77 
     78 void NfcPropertySet::ChangedReceived(dbus::Signal* signal) {
     79   DCHECK(signal);
     80   dbus::MessageReader reader(signal);
     81   UpdatePropertyFromReader(&reader);
     82 }
     83 
     84 }  // namespace chromeos
     85