path: root/em-format/e-mail-parser-message.c

/*
 * e-mail-parser-message.c
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <string.h>
#include <glib/gi18n-lib.h>

#include <e-util/e-util.h>
#include <libemail-engine/libemail-engine.h>

#include "e-mail-parser-extension.h"
#include "e-mail-part-attachment.h"
#include "e-mail-part-utils.h"

typedef EMailParserExtension EMailParserMessage;
typedef EMailParserExtensionClass EMailParserMessageClass;

GType e_mail_parser_message_get_type (void);

G_DEFINE_TYPE (
    EMailParserMessage,
    e_mail_parser_message,
    E_TYPE_MAIL_PARSER_EXTENSION)

static const gchar *parser_mime_types[] = {
    "application/vnd.evolution.message",
    NULL
};

static gboolean
empe_message_parse (EMailParserExtension *extension,
                    EMailParser *parser,
                    CamelMimePart *part,
                    GString *part_id,
                    GCancellable *cancellable,
                    GQueue *out_mail_parts)
{
    GQueue work_queue = G_QUEUE_INIT;
    CamelContentType *ct;
    EMailPart *mail_part;
    gchar *mime_type;

    /* Headers */
    e_mail_parser_parse_part_as (
        parser, part, part_id,
        "application/vnd.evolution.headers",
        cancellable, out_mail_parts);

    /* Attachment Bar */
    e_mail_parser_parse_part_as (
        parser, part, part_id,
        "application/vnd.evolution.widget.attachment-bar",
        cancellable, out_mail_parts);

    ct = camel_mime_part_get_content_type (part);
    mime_type = camel_content_type_simple (ct);

    if (camel_content_type_is (ct, "message", "*")) {
        /* get mime type of the content of the message,
         * instead of using a generic message/rfc822 */
        CamelDataWrapper *content;

        content = camel_medium_get_content (CAMEL_MEDIUM (part));
        if (content) {
            ct = camel_data_wrapper_get_mime_type_field (content);

            g_free (mime_type);
            mime_type = camel_content_type_simple (ct);
        }
    }

    /* Actual message body */

    e_mail_parser_parse_part_as (
        parser, part, part_id, mime_type,
        cancellable, &work_queue);

    /* If the EMailPart representing the message body is marked as an
     * attachment, wrap it as such so it gets added to the attachment
     * bar but also set the "force_inline" flag since it doesn't make
     * sense to collapse the message body if we can render it. */
    mail_part = g_queue_peek_head (&work_queue);
    if (mail_part != NULL && !E_IS_MAIL_PART_ATTACHMENT (mail_part)) {
        if (e_mail_part_get_is_attachment (mail_part)) {
            e_mail_parser_wrap_as_attachment (
                parser, part, part_id, &work_queue);

            mail_part = g_queue_peek_head (&work_queue);

            if (mail_part != NULL)
                mail_part->force_inline = TRUE;
        }
    }

    e_queue_transfer (&work_queue, out_mail_parts);

    g_free (mime_type);

    return TRUE;
}

static void
e_mail_parser_message_class_init (EMailParserExtensionClass *class)
{
    class->mime_types = parser_mime_types;
    class->priority = G_PRIORITY_LOW;
    class->parse = empe_message_parse;
}

static void
e_mail_parser_message_init (EMailParserExtension *extension)
{
}