1// Copyright 2014 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 MOJO_PUBLIC_CPP_BINDINGS_NO_INTERFACE_H_
6#define MOJO_PUBLIC_CPP_BINDINGS_NO_INTERFACE_H_
7
8#include "mojo/public/cpp/bindings/message.h"
9#include "mojo/public/cpp/bindings/message_filter.h"
10#include "mojo/public/cpp/system/core.h"
11
12namespace mojo {
13
14// NoInterface is for use in cases when a non-existent or empty interface is
15// needed (e.g., when the Mojom "Peer" attribute is not present).
16
17class NoInterfaceProxy;
18class NoInterfaceStub;
19
20class NoInterface {
21 public:
22  static const char* Name_;
23  typedef NoInterfaceProxy Proxy_;
24  typedef NoInterfaceStub Stub_;
25  typedef PassThroughFilter RequestValidator_;
26  typedef PassThroughFilter ResponseValidator_;
27  typedef NoInterface Client;
28  virtual ~NoInterface() {}
29};
30
31class NoInterfaceProxy : public NoInterface {
32 public:
33  explicit NoInterfaceProxy(MessageReceiver* receiver) {}
34};
35
36class NoInterfaceStub : public MessageReceiverWithResponder {
37 public:
38  NoInterfaceStub() {}
39  void set_sink(NoInterface* sink) {}
40  NoInterface* sink() { return NULL; }
41  virtual bool Accept(Message* message) MOJO_OVERRIDE;
42  virtual bool AcceptWithResponder(Message* message, MessageReceiver* responder)
43      MOJO_OVERRIDE;
44};
45
46
47// AnyInterface is for use in cases where any interface would do (e.g., see the
48// Shell::Connect method).
49
50typedef NoInterface AnyInterface;
51
52}  // namespace mojo
53
54#endif  // MOJO_PUBLIC_CPP_BINDINGS_NO_INTERFACE_H_
55