chromeos/dbus/dbus_method_call_status.h

   1 // Copyright (c) 2012 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_METHOD_CALL_STATUS_H_
   6 #define CHROMEOS_DBUS_DBUS_METHOD_CALL_STATUS_H_
   7
   8 #include <string>
   9
  10 #include "base/callback.h"
  11 #include "chromeos/chromeos_export.h"
  12
  13 namespace dbus {
  14
  15 class ObjectPath;
  16
  17 }  // namespace dbus
  18
  19 namespace chromeos {
  20
  21 // An enum to describe whether or not a DBus method call succeeded.
  22 enum DBusMethodCallStatus {
  23   DBUS_METHOD_CALL_FAILURE,
  24   DBUS_METHOD_CALL_SUCCESS,
  25 };
  26
  27 // A callback to handle responses of methods without results.
  28 typedef base::Callback<void(
  29     DBusMethodCallStatus call_status)> VoidDBusMethodCallback;
  30
  31 // A callback to handle responses of methods returning a bool value.
  32 typedef base::Callback<void(DBusMethodCallStatus call_status,
  33                             bool result)> BoolDBusMethodCallback;
  34
  35 // A callback to handle responses of methods returning a string value.
  36 typedef base::Callback<void(
  37     DBusMethodCallStatus call_status,
  38     const std::string& result)> StringDBusMethodCallback;
  39
  40 // A callback to handle responses of methods returning a boolean value.
  41 typedef base::Callback<void(
  42     DBusMethodCallStatus call_status,
  43     bool result)> BooleanDBusMethodCallback;
  44
  45 // A callback to handle responses of methods returning a ObjectPath value.
  46 typedef base::Callback<void(
  47     DBusMethodCallStatus call_status,
  48     const dbus::ObjectPath& result)> ObjectPathDBusMethodCallback;
  49
  50 // A callback to handle responses of methods returning a ObjectPath value that
  51 // doesn't get call status.
  52 typedef base::Callback<void(const dbus::ObjectPath& result)> ObjectPathCallback;
  53
  54 // Returns an empty callback that does nothing.
  55 CHROMEOS_EXPORT VoidDBusMethodCallback EmptyVoidDBusMethodCallback();
  56
  57 }  // namespace chromeos
  58
  59 #endif  // CHROMEOS_DBUS_DBUS_METHOD_CALL_STATUS_H_