// Copyright (c) 2022 Marshall A. Greenblatt. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//    * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//    * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
//    * Neither the name of Google Inc. nor the name Chromium Embedded
// Framework nor the names of its contributors may be used to endorse
// or promote products derived from this software without specific prior
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//
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// ---------------------------------------------------------------------------
//
// The contents of this file must follow a specific format in order to
// support the CEF translator tool. See the translator.README.txt file in the
// tools directory for more information.
//

#ifndef CEF_INCLUDE_CEF_SHARED_MEMORY_REGION_H_
#define CEF_INCLUDE_CEF_SHARED_MEMORY_REGION_H_
#pragma once

#include "include/cef_base.h"

///
// Class that wraps platform-dependent share memory region mapping.
///
/*--cef(source=library)--*/
class CefSharedMemoryRegion : public virtual CefBaseRefCounted {
 public:
  ///
  // Returns true if the mapping is valid.
  ///
  /*--cef()--*/
  virtual bool IsValid() = 0;

  ///
  // Returns the size of the mapping in bytes. Returns 0 for invalid instances.
  ///
  /*--cef()--*/
  virtual size_t Size() = 0;

  ///
  // Returns the pointer to the memory. Returns nullptr for invalid instances.
  // The returned pointer is only valid for the life span of this object.
  ///
  /*--cef()--*/
  virtual const void* Memory() = 0;
};

#endif  // CEF_INCLUDE_CEF_SHARED_MEMORY_REGION_H_