cef/include/capi/cef_process_message_capi.h

// Copyright (c) 2024 Marshall A. Greenblatt. All rights reserved.
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#ifndef CEF_INCLUDE_CAPI_CEF_PROCESS_MESSAGE_CAPI_H_
#define CEF_INCLUDE_CAPI_CEF_PROCESS_MESSAGE_CAPI_H_
#pragma once

#include "include/capi/cef_base_capi.h"
#include "include/capi/cef_shared_memory_region_capi.h"
#include "include/capi/cef_values_capi.h"

#ifdef __cplusplus
extern "C" {
#endif

///
/// Structure representing a message. Can be used on any process and thread.
///
typedef struct _cef_process_message_t {
  ///
  /// Base structure.
  ///
  cef_base_ref_counted_t base;

  ///
  /// Returns true (1) if this object is valid. Do not call any other functions
  /// if this function returns false (0).
  ///
  int(CEF_CALLBACK* is_valid)(struct _cef_process_message_t* self);

  ///
  /// Returns true (1) if the values of this object are read-only. Some APIs may
  /// expose read-only objects.
  ///
  int(CEF_CALLBACK* is_read_only)(struct _cef_process_message_t* self);

  ///
  /// Returns a writable copy of this object. Returns nullptr when message
  /// contains a shared memory region.
  ///
  struct _cef_process_message_t*(CEF_CALLBACK* copy)(
      struct _cef_process_message_t* self);

  ///
  /// Returns the message name.
  ///
  // The resulting string must be freed by calling cef_string_userfree_free().
  cef_string_userfree_t(CEF_CALLBACK* get_name)(
      struct _cef_process_message_t* self);

  ///
  /// Returns the list of arguments. Returns nullptr when message contains a
  /// shared memory region.
  ///
  struct _cef_list_value_t*(CEF_CALLBACK* get_argument_list)(
      struct _cef_process_message_t* self);

  ///
  /// Returns the shared memory region. Returns nullptr when message contains an
  /// argument list.
  ///
  struct _cef_shared_memory_region_t*(CEF_CALLBACK* get_shared_memory_region)(
      struct _cef_process_message_t* self);
} cef_process_message_t;

///
/// Create a new cef_process_message_t object with the specified name.
///
CEF_EXPORT cef_process_message_t* cef_process_message_create(
    const cef_string_t* name);

#ifdef __cplusplus
}
#endif

#endif  // CEF_INCLUDE_CAPI_CEF_PROCESS_MESSAGE_CAPI_H_