/* -*- 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/. */
#include "nsIComponentManager.h" 
#include "nsIMimeObjectClassAccess.h"
#include "nsMsgMimeCID.h"
#include "nsCOMPtr.h"
#include "nsComponentManagerUtils.h"
static NS_DEFINE_CID(kMimeObjectClassAccessCID, NS_MIME_OBJECT_CLASS_ACCESS_CID); 

/*
 * These calls are necessary to expose the object class hierarchy 
 * to externally developed content type handlers.
 */
extern "C" void *
COM_GetmimeInlineTextClass(void)
{
  void *ptr = NULL;

  nsresult res;
  nsCOMPtr<nsIMimeObjectClassAccess>  objAccess =
      do_CreateInstance(kMimeObjectClassAccessCID, &res);
  if (NS_SUCCEEDED(res) && objAccess)
    objAccess->GetmimeInlineTextClass(&ptr);

  return ptr;
}

extern "C" void *
COM_GetmimeLeafClass(void)
{
  void *ptr = NULL;

  nsresult res;
  nsCOMPtr<nsIMimeObjectClassAccess> objAccess =
      do_CreateInstance(kMimeObjectClassAccessCID, &res);
  if (NS_SUCCEEDED(res) && objAccess)
    objAccess->GetmimeLeafClass(&ptr);

  return ptr;
}

extern "C" void *
COM_GetmimeObjectClass(void)
{
  void *ptr = NULL;

  nsresult res;
  nsCOMPtr<nsIMimeObjectClassAccess> objAccess =
      do_CreateInstance(kMimeObjectClassAccessCID, &res);
  if (NS_SUCCEEDED(res) && objAccess)
    objAccess->GetmimeObjectClass(&ptr);

  return ptr;
}

extern "C" void *
COM_GetmimeContainerClass(void)
{
  void *ptr = NULL;

  nsresult res;
  nsCOMPtr<nsIMimeObjectClassAccess> objAccess =
      do_CreateInstance(kMimeObjectClassAccessCID, &res);
  if (NS_SUCCEEDED(res) && objAccess)
    objAccess->GetmimeContainerClass(&ptr);

  return ptr;
}

extern "C" void *
COM_GetmimeMultipartClass(void)
{
  void *ptr = NULL;

  nsresult res;
  nsCOMPtr<nsIMimeObjectClassAccess> objAccess =
      do_CreateInstance(kMimeObjectClassAccessCID, &res);
  if (NS_SUCCEEDED(res) && objAccess)
    objAccess->GetmimeMultipartClass(&ptr);

  return ptr;
}

extern "C" void *
COM_GetmimeMultipartSignedClass(void)
{
  void *ptr = NULL;

  nsresult res;
  nsCOMPtr<nsIMimeObjectClassAccess> objAccess =
      do_CreateInstance(kMimeObjectClassAccessCID, &res);
  if (NS_SUCCEEDED(res) && objAccess)
    objAccess->GetmimeMultipartSignedClass(&ptr);

  return ptr;
}

extern "C" int  
COM_MimeObject_write(void *mimeObject, char *data, int32_t length, 
                     bool user_visible_p)
{
  int32_t rc = -1;

  nsresult res;
  nsCOMPtr<nsIMimeObjectClassAccess> objAccess =
      do_CreateInstance(kMimeObjectClassAccessCID, &res);
  if (NS_SUCCEEDED(res) && objAccess)
  { 
    if (NS_SUCCEEDED(objAccess->MimeObjectWrite(mimeObject, data, length, user_visible_p)))
      rc = length;
    else
      rc = -1;
  } 

  return rc;
}

extern "C" void *
COM_MimeCreate(char * content_type, void * hdrs, void * opts)
{
  void *ptr = NULL;

  nsresult res;
  nsCOMPtr<nsIMimeObjectClassAccess> objAccess =
      do_CreateInstance(kMimeObjectClassAccessCID, &res);
  if (NS_SUCCEEDED(res) && objAccess)
    objAccess->MimeCreate(content_type, hdrs, opts, &ptr);

  return ptr;
}