components/proximity_auth/connection_finder.h

   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 COMPONENTS_PROXIMITY_AUTH_CONNECTION_FINDER_H
   6 #define COMPONENTS_PROXIMITY_AUTH_CONNECTION_FINDER_H
   7
   8 #include "base/callback_forward.h"
   9 #include "base/macros.h"
  10 #include "base/memory/scoped_ptr.h"
  11
  12 namespace proximity_auth {
  13
  14 class Connection;
  15
  16 // Interface for finding a connection to a remote device.
  17 class ConnectionFinder {
  18  public:
  19   virtual ~ConnectionFinder() {}
  20
  21   // Attempts to find a connection to a remote device. The finder will try to
  22   // find the connection indefinitely until the finder is destroyed. Calls
  23   // |connection_callback| with the open connection once the remote device is
  24   // connected.
  25   // TODO(isherman): Can this just be done as part of the constructor?
  26   typedef base::Callback<void(scoped_ptr<Connection> connection)>
  27       ConnectionCallback;
  28   virtual void Find(const ConnectionCallback& connection_callback) = 0;
  29 };
  30
  31 }  // namespace proximity_auth
  32
  33 #endif  // COMPONENTS_PROXIMITY_AUTH_CONNECTION_FINDER_H