/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef COMM_MAILNEWS_MIME_SRC_MIMEMALT_H_
#define COMM_MAILNEWS_MIME_SRC_MIMEMALT_H_

#include "mimemult.h"
#include "mimepbuf.h"

/* The MimeMultipartAlternative class implements the multipart/alternative
   MIME container, which displays only one (the `best') of a set of enclosed
   documents.
 */

typedef struct MimeMultipartAlternativeClass MimeMultipartAlternativeClass;
typedef struct MimeMultipartAlternative MimeMultipartAlternative;

struct MimeMultipartAlternativeClass {
  MimeMultipartClass multipart;
};

extern "C" MimeMultipartAlternativeClass mimeMultipartAlternativeClass;

enum priority_t {
  PRIORITY_UNDISPLAYABLE,
  PRIORITY_LOW,
  PRIORITY_TEXT_UNKNOWN,
  PRIORITY_TEXT_PLAIN,
  PRIORITY_NORMAL,
  PRIORITY_HIGH,
  PRIORITY_HIGHEST
};

struct MimeMultipartAlternative {
  MimeMultipart multipart; /* superclass variables */

  MimeHeaders** buffered_hdrs;       /* The headers of pending parts */
  MimePartBufferData** part_buffers; /* The data of pending parts
                                        (see mimepbuf.h) */
  int32_t pending_parts;
  int32_t max_parts;
  priority_t buffered_priority; /* Priority of head of pending parts */
};

#define MimeMultipartAlternativeClassInitializer(ITYPE, CSUPER) \
  {MimeMultipartClassInitializer(ITYPE, CSUPER)}

#endif  // COMM_MAILNEWS_MIME_SRC_MIMEMALT_H_