mojo/public/cpp/utility/run_loop_handler.h

// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef MOJO_PUBLIC_CPP_UTILITY_RUN_LOOP_HANDLER_H_
#define MOJO_PUBLIC_CPP_UTILITY_RUN_LOOP_HANDLER_H_

#include "mojo/public/c/system/result.h"
#include "mojo/public/cpp/system/handle.h"

namespace mojo {

// Used by RunLoop to notify when a handle is either ready or has become
// invalid.
class RunLoopHandler {
 public:
  virtual void OnHandleReady(const Handle& handle) = 0;
  virtual void OnHandleError(const Handle& handle, MojoResult result) = 0;

 protected:
  virtual ~RunLoopHandler() {}
};

}  // namespace mojo

#endif  // MOJO_PUBLIC_CPP_UTILITY_RUN_LOOP_HANDLER_H_