1// Copyright 2016 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_INTERFACE_ENDPOINT_CONTROLLER_H_
6#define MOJO_PUBLIC_CPP_BINDINGS_INTERFACE_ENDPOINT_CONTROLLER_H_
7
8namespace mojo {
9
10class Message;
11
12// A control interface exposed by AssociatedGroupController for interface
13// endpoints.
14class InterfaceEndpointController {
15 public:
16  virtual ~InterfaceEndpointController() {}
17
18  virtual bool SendMessage(Message* message) = 0;
19
20  // Allows the interface endpoint to watch for incoming sync messages while
21  // others perform sync handle watching on the same thread. Please see comments
22  // of SyncHandleWatcher::AllowWokenUpBySyncWatchOnSameThread().
23  virtual void AllowWokenUpBySyncWatchOnSameThread() = 0;
24
25  // Watches the interface endpoint for incoming sync messages. (It also watches
26  // other other handles registered to be watched together.)
27  // This method:
28  //   - returns true when |should_stop| is set to true;
29  //   - return false otherwise, including
30  //     MultiplexRouter::DetachEndpointClient() being called for the same
31  //     interface endpoint.
32  virtual bool SyncWatch(const bool* should_stop) = 0;
33};
34
35}  // namespace mojo
36
37#endif  // MOJO_PUBLIC_CPP_BINDINGS_INTERFACE_ENDPOINT_CONTROLLER_H_
38