chromeos/dbus/nfc_property_set.h

   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 #ifndef CHROMEOS_DBUS_NFC_PROPERTY_SET_H_
   6 #define CHROMEOS_DBUS_NFC_PROPERTY_SET_H_
   7
   8 #include <string>
   9
  10 #include "base/callback.h"
  11 #include "dbus/message.h"
  12 #include "dbus/object_proxy.h"
  13 #include "dbus/property.h"
  14
  15 namespace chromeos {
  16
  17 // neard doesn't use the standard D-Bus interfaces for property access and
  18 // instead defines property accessor methods in each D-Bus interface. This
  19 // class customizes dbus::PropertySet to generate the correct method call to
  20 // get all properties, connect to the correct signal and parse it correctly.
  21 class NfcPropertySet : public dbus::PropertySet {
  22  public:
  23   NfcPropertySet(dbus::ObjectProxy* object_proxy,
  24                  const std::string& interface,
  25                  const PropertyChangedCallback& callback);
  26
  27   // Destructor; we don't hold on to any references or memory that needs
  28   // explicit clean-up, but clang thinks we might.
  29   ~NfcPropertySet() override;
  30
  31   // Caches |callback| so that it will be invoked after a call to GetAll()
  32   // has successfully received all existing properties from the remote object.
  33   void SetAllPropertiesReceivedCallback(const base::Closure& callback);
  34
  35   // dbus::PropertySet overrides
  36   void ConnectSignals() override;
  37   void Get(dbus::PropertyBase* property, GetCallback callback) override;
  38   void GetAll() override;
  39   void OnGetAll(dbus::Response* response) override;
  40   void Set(dbus::PropertyBase* property, SetCallback callback) override;
  41   void ChangedReceived(dbus::Signal* signal) override;
  42
  43  protected:
  44   const base::Closure& on_get_all_callback() { return on_get_all_callback_; }
  45
  46  private:
  47   // Optional callback used to notify clients when all properties were received
  48   // after a call to GetAll.
  49   base::Closure on_get_all_callback_;
  50
  51   DISALLOW_COPY_AND_ASSIGN(NfcPropertySet);
  52 };
  53
  54 }  // namespace chromeos
  55
  56 #endif  // CHROMEOS_DBUS_NFC_PROPERTY_SET_H_