mojo/public/cpp/bindings/lib/pending_remote_state.h

// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef MOJO_PUBLIC_CPP_BINDINGS_LIB_PENDING_REMOTE_STATE_H_
#define MOJO_PUBLIC_CPP_BINDINGS_LIB_PENDING_REMOTE_STATE_H_

#include <stdint.h>

#include "base/component_export.h"
#include "mojo/public/cpp/bindings/connection_group.h"
#include "mojo/public/cpp/system/message_pipe.h"

namespace mojo {
namespace internal {

// Generic state owned by every templated InterfacePtrInfo or PendingRemote
// instance.
struct COMPONENT_EXPORT(MOJO_CPP_BINDINGS_BASE) PendingRemoteState {
 public:
  PendingRemoteState();
  PendingRemoteState(ScopedMessagePipeHandle pipe, uint32_t version);
  PendingRemoteState(const PendingRemoteState&) = delete;
  PendingRemoteState(PendingRemoteState&&) noexcept;
  ~PendingRemoteState();

  PendingRemoteState& operator=(const PendingRemoteState&) = delete;
  PendingRemoteState& operator=(PendingRemoteState&&) noexcept;

  void reset();

  ScopedMessagePipeHandle pipe;
  uint32_t version = 0;
};

}  // namespace internal
}  // namespace mojo

#endif  // MOJO_PUBLIC_CPP_BINDINGS_LIB_PENDING_REMOTE_STATE_H_