chromeos/dbus/nfc_property_set.cc

   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