nfc: Various fixes to the NFC D-Bus client in chromeos/dbus.

chromeos/dbus/nfc_property_set.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROMEOS_DBUS_NFC_PROPERTY_SET_H_
 #define CHROMEOS_DBUS_NFC_PROPERTY_SET_H_
 
 #include <string>
 
+#include "base/callback.h"
 #include "dbus/message.h"
 #include "dbus/object_proxy.h"
 #include "dbus/property.h"
 
 namespace chromeos {
 
 // neard doesn't use the standard D-Bus interfaces for property access and
 // instead defines property accessor methods in each D-Bus interface. This
 // class customizes dbus::PropertySet to generate the correct method call to
 // get all properties, connect to the correct signal and parse it correctly.
 class NfcPropertySet : public dbus::PropertySet {
  public:
   NfcPropertySet(dbus::ObjectProxy* object_proxy,
                  const std::string& interface,
                  const PropertyChangedCallback& callback);
 
+  // Destructor; we don't hold on to any references or memory that needs
+  // explicit clean-up, but clang thinks we might.
+  virtual ~NfcPropertySet();
+
+  // Caches |callback| so that it will be invoked after a call to GetAll()
+  // has successfully received all existing properties from the remote object.
+  void SetAllPropertiesReceivedCallback(const base::Closure& callback);
+
   // dbus::PropertySet overrides
   virtual void ConnectSignals() OVERRIDE;
   virtual void Get(dbus::PropertyBase* property,
                    GetCallback callback) OVERRIDE;
   virtual void GetAll() OVERRIDE;
+  virtual void OnGetAll(dbus::Response* response) OVERRIDE;
   virtual void Set(dbus::PropertyBase* property,
                    SetCallback callback) OVERRIDE;
   virtual void ChangedReceived(dbus::Signal* signal) OVERRIDE;
 
  private:
+  // Optional callback used to notify clients when all properties were received
+  // after a call to GetAll.
+  base::Closure on_get_all_callback_;
+
   DISALLOW_COPY_AND_ASSIGN(NfcPropertySet);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_DBUS_NFC_PROPERTY_SET_H_