aboutsummaryrefslogtreecommitdiffstats
path: root/em-format/e-mail-formatter-quote-text-plain.c
blob: 318762c12537ae6bc74584ee89eb773fe37fa90e (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
/*
 * e-mail-formatter-quote-text-plain.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 <glib/gi18n-lib.h>

#include <camel/camel.h>

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

#include "e-mail-formatter-quote.h"
#include "e-mail-part-utils.h"
#include "e-mail-stripsig-filter.h"

typedef EMailFormatterExtension EMailFormatterQuoteTextPlain;
typedef EMailFormatterExtensionClass EMailFormatterQuoteTextPlainClass;

GType e_mail_formatter_quote_text_plain_get_type (void);

G_DEFINE_TYPE (
    EMailFormatterQuoteTextPlain,
    e_mail_formatter_quote_text_plain,
    E_TYPE_MAIL_FORMATTER_QUOTE_EXTENSION)

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

static gboolean
emqfe_text_plain_format (EMailFormatterExtension *extension,
                         EMailFormatter *formatter,
                         EMailFormatterContext *context,
                         EMailPart *part,
                         GOutputStream *stream,
                         GCancellable *cancellable)
{
    GOutputStream *filtered_stream;
    GOutputStream *temp_stream;
    CamelMimeFilter *filter;
    CamelMimePart *mime_part;
    CamelContentType *type;
    EMailFormatterQuoteContext *qf_context;
    CamelMimeFilterToHTMLFlags text_flags;
    const gchar *format;
    guint32 rgb = 0x737373;

    mime_part = e_mail_part_ref_mime_part (part);
    if (mime_part == NULL)
        return FALSE;

    qf_context = (EMailFormatterQuoteContext *) context;

    text_flags =
        CAMEL_MIME_FILTER_TOHTML_PRE |
        CAMEL_MIME_FILTER_TOHTML_CONVERT_URLS |
        CAMEL_MIME_FILTER_TOHTML_CONVERT_ADDRESSES;

    if (e_mail_formatter_get_mark_citations (formatter))
        text_flags |= CAMEL_MIME_FILTER_TOHTML_MARK_CITATION;

    /* Check for RFC 2646 flowed text. */
    type = camel_mime_part_get_content_type (mime_part);
    if (camel_content_type_is (type, "text", "plain")
        && (format = camel_content_type_param (type, "format"))
        && !g_ascii_strcasecmp (format, "flowed"))
        text_flags |= CAMEL_MIME_FILTER_TOHTML_FORMAT_FLOWED;

    filtered_stream = g_object_ref (stream);

    if ((qf_context->qf_flags & E_MAIL_FORMATTER_QUOTE_FLAG_KEEP_SIG) == 0) {
        filter = e_mail_stripsig_filter_new (TRUE);
        temp_stream = camel_filter_output_stream_new (
            filtered_stream, filter);
        g_filter_output_stream_set_close_base_stream (
            G_FILTER_OUTPUT_STREAM (temp_stream), FALSE);
        g_object_unref (filtered_stream);
        filtered_stream = temp_stream;
        g_object_unref (filter);
    }

    filter = camel_mime_filter_tohtml_new (text_flags, rgb);
    temp_stream = camel_filter_output_stream_new (filtered_stream, filter);
    g_filter_output_stream_set_close_base_stream (
        G_FILTER_OUTPUT_STREAM (temp_stream), FALSE);
    g_object_unref (filtered_stream);
    filtered_stream = temp_stream;
    g_object_unref (filter);

    e_mail_formatter_format_text (
        formatter, part, filtered_stream, cancellable);

    g_output_stream_flush (filtered_stream, cancellable, NULL);
    g_object_unref (filtered_stream);

    g_object_unref (mime_part);

    return TRUE;
}

static void
e_mail_formatter_quote_text_plain_class_init (EMailFormatterExtensionClass *class)
{
    class->display_name = _("Plain Text");
    class->description = _("Format part as plain text");
    class->mime_types = formatter_mime_types;
    class->priority = G_PRIORITY_HIGH;
    class->format = emqfe_text_plain_format;
}

static void
e_mail_formatter_quote_text_plain_init (EMailFormatterExtension *extension)
{
}