path: root/em-format/e-mail-formatter-text-enriched.c

/*
 * e-mail-formatter-text-enriched.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; either
 * version 2 of the License, or (at your option) version 3.
 *
 * 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with the program; if not, see <http://www.gnu.org/licenses/>
 *
 */

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

#include <glib/gi18n-lib.h>

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

#include "e-mail-formatter-extension.h"
#include "e-mail-inline-filter.h"

typedef EMailFormatterExtension EMailFormatterTextEnriched;
typedef EMailFormatterExtensionClass EMailFormatterTextEnrichedClass;

GType e_mail_formatter_text_enriched_get_type (void);

G_DEFINE_TYPE (
    EMailFormatterTextEnriched,
    e_mail_formatter_text_enriched,
    E_TYPE_MAIL_FORMATTER_EXTENSION)

static const gchar *formatter_mime_types[] = {
    "text/enriched",
    "text/richtext",
    NULL
};

static gboolean
emfe_text_enriched_format (EMailFormatterExtension *extension,
                           EMailFormatter *formatter,
                           EMailFormatterContext *context,
                           EMailPart *part,
                           CamelStream *stream,
                           GCancellable *cancellable)
{
    CamelStream *filtered_stream;
    CamelMimeFilter *enriched;
    const gchar *mime_type;
    guint32 filter_flags = 0;
    GString *buffer;

    if (g_cancellable_is_cancelled (cancellable))
        return FALSE;

    mime_type = e_mail_part_get_mime_type (part);

    if (g_strcmp0 (mime_type, "text/richtext") == 0)
        filter_flags = CAMEL_MIME_FILTER_ENRICHED_IS_RICHTEXT;

    enriched = camel_mime_filter_enriched_new (filter_flags);
    filtered_stream = camel_stream_filter_new (stream);
    camel_stream_filter_add (
        CAMEL_STREAM_FILTER (filtered_stream), enriched);
    g_object_unref (enriched);

    buffer = g_string_new ("");

    g_string_append (
        buffer,
        "<div class=\"part-container -e-mail-formatter-frame-color "
            "-e-web-view-background-color -e-web-view-text-color\">"
        "<div class=\"part-container-inner-margin\">\n");

    camel_stream_write_string (stream, buffer->str, cancellable, NULL);
    g_string_free (buffer, TRUE);

    e_mail_formatter_format_text (
        formatter, part, filtered_stream, cancellable);
    camel_stream_flush (filtered_stream, cancellable, NULL);
    g_object_unref (filtered_stream);

    camel_stream_write_string (stream, "</div></div>", cancellable, NULL);

    return TRUE;
}

static void
e_mail_formatter_text_enriched_class_init (EMailFormatterExtensionClass *class)
{
    class->display_name = _("Richtext");
    class->description = _("Display part as enriched text");
    class->mime_types = formatter_mime_types;
    class->priority = G_PRIORITY_LOW;
    class->format = emfe_text_enriched_format;
}

static void
e_mail_formatter_text_enriched_init (EMailFormatterExtension *extension)
{
}