/* -*- 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/. */
 
/*
 * This interface is implemented by content type handlers that will be
 * called upon by libmime to process various attachments types. The primary
 * purpose of these handlers will be to represent the attached data in a
 * viewable HTML format that is useful for the user
 *
 * Note: These will all register by their content type prefixed by the
 *       following:  mimecth:text/vcard
 * 
 *       libmime will then use the XPCOM Component Manager to 
 *       locate the appropriate Content Type handler
 */
#ifndef nsMimeContentTypeHandler_h_
#define nsMimeContentTypeHandler_h_

#include "nsIMimeContentTypeHandler.h"

typedef MimeObjectClass  *
(* MCTHCreateCTHClass)(const char *content_type, 
                       contentTypeHandlerInitStruct *initStruct);

class nsMimeContentTypeHandler : public nsIMimeContentTypeHandler {
public: 
    nsMimeContentTypeHandler (const char *aMimeType, 
                              MCTHCreateCTHClass callback);
    virtual       ~nsMimeContentTypeHandler (void);

    /* this macro defines QueryInterface, AddRef and Release for this class */
    NS_DECL_ISUPPORTS 

    NS_IMETHOD    GetContentType(char **contentType);

    NS_IMETHOD    CreateContentTypeHandlerClass(const char *content_type, 
                                                contentTypeHandlerInitStruct *initStruct, 
                                                MimeObjectClass **objClass);
 private:
    char *mimeType;
    MCTHCreateCTHClass realCreateContentTypeHandlerClass;
}; 

#endif /* nsMimeContentTypeHandler_h_ */
