chromeos/dbus/dbus_client.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_DBUS_CLIENT_H_
   6 #define CHROMEOS_DBUS_DBUS_CLIENT_H_
   7
   8 #include "base/basictypes.h"
   9
  10 namespace dbus {
  11 class Bus;
  12 }  // namespace dbus
  13
  14 namespace chromeos {
  15
  16 // Interface for all DBus clients handled by DBusThreadManager. It restricts
  17 // access to the Init function to DBusThreadManager only to prevent
  18 // incorrect calls. Stub clients may lift that restriction however.
  19 class DBusClient {
  20  protected:
  21   virtual ~DBusClient() {}
  22
  23   // This function is called by DBusThreadManager. Only in unit tests, which
  24   // don't use DBusThreadManager, this function can be called through Stub
  25   // implementations (they change Init's member visibility to public).
  26   virtual void Init(dbus::Bus* bus) = 0;
  27
  28  private:
  29   friend class DBusThreadManager;
  30
  31   DISALLOW_ASSIGN(DBusClient);
  32 };
  33
  34 }  // namespace chromeos
  35
  36 #endif  // CHROMEOS_DBUS_DBUS_CLIENT_H_