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_EDK_SYSTEM_PORTS_PORT_REF_H_
6 #define MOJO_EDK_SYSTEM_PORTS_PORT_REF_H_
7 
8 #include "base/memory/ref_counted.h"
9 #include "mojo/edk/system/ports/name.h"
10 
11 namespace mojo {
12 namespace edk {
13 namespace ports {
14 
15 class Port;
16 class Node;
17 
18 class PortRef {
19  public:
20   ~PortRef();
21   PortRef();
22   PortRef(const PortName& name, scoped_refptr<Port> port);
23 
24   PortRef(const PortRef& other);
25   PortRef& operator=(const PortRef& other);
26 
name()27   const PortName& name() const { return name_; }
28 
29  private:
30   friend class Node;
port()31   Port* port() const { return port_.get(); }
32 
33   PortName name_;
34   scoped_refptr<Port> port_;
35 };
36 
37 }  // namespace ports
38 }  // namespace edk
39 }  // namespace mojo
40 
41 #endif  // MOJO_EDK_SYSTEM_PORTS_PORT_REF_H_
42