/*
* text-highlight.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 "text-highlight.h"
#include <em-format/e-mail-formatter-extension.h>
#include <em-format/e-mail-formatter.h>
#include <em-format/e-mail-part-utils.h>
#include <e-util/e-util.h>
#include <libebackend/libebackend.h>
#include <libedataserver/libedataserver.h>
#include <glib/gi18n-lib.h>
#include <X11/Xlib.h>
#include <camel/camel.h>
typedef struct _EMailFormatterTextHighlight EMailFormatterTextHighlight;
typedef struct _EMailFormatterTextHighlightClass EMailFormatterTextHighlightClass;
struct _EMailFormatterTextHighlight {
EExtension parent;
};
struct _EMailFormatterTextHighlightClass {
EExtensionClass parent_class;
};
GType e_mail_formatter_text_highlight_get_type (void);
static void e_mail_formatter_formatter_extension_interface_init (EMailFormatterExtensionInterface *iface);
static void e_mail_formatter_mail_extension_interface_init (EMailExtensionInterface *iface);
G_DEFINE_DYNAMIC_TYPE_EXTENDED (
EMailFormatterTextHighlight,
e_mail_formatter_text_highlight,
E_TYPE_EXTENSION,
0,
G_IMPLEMENT_INTERFACE_DYNAMIC (
E_TYPE_MAIL_EXTENSION,
e_mail_formatter_mail_extension_interface_init)
G_IMPLEMENT_INTERFACE_DYNAMIC (
E_TYPE_MAIL_FORMATTER_EXTENSION,
e_mail_formatter_formatter_extension_interface_init));
static const gchar *formatter_mime_types[] = { "text/x-diff",
"text/x-patch",
NULL };
static gchar * get_default_font (void)
{
gchar *font;
GSettings *settings;
settings = g_settings_new ("org.gnome.desktop.interface");
font = g_settings_get_string (settings, "monospace-font-name");
return font ? font : g_strdup ("monospace 10");
}
static gboolean
emfe_text_highlight_format (EMailFormatterExtension *extension,
EMailFormatter *formatter,
EMailFormatterContext *context,
EMailPart *part,
CamelStream *stream,
GCancellable *cancellable)
{
if (context->mode == E_MAIL_FORMATTER_MODE_PRINTING) {
CamelDataWrapper *dw;
CamelStream *filter_stream;
CamelMimeFilter *mime_filter;
dw = camel_medium_get_content (CAMEL_MEDIUM (part->part));
if (!dw) {
return FALSE;
}
camel_stream_write_string (
stream, "<pre><div class=\"pre\">", cancellable, NULL);
filter_stream = camel_stream_filter_new (stream);
mime_filter = camel_mime_filter_tohtml_new (
CAMEL_MIME_FILTER_TOHTML_PRE |
CAMEL_MIME_FILTER_TOHTML_CONVERT_SPACES,
0x7a7a7a);
camel_stream_filter_add (
CAMEL_STREAM_FILTER (filter_stream), mime_filter);
g_object_unref (mime_filter);
e_mail_formatter_format_text (
formatter, part, filter_stream, cancellable);
camel_stream_flush (filter_stream, cancellable, NULL);
g_object_unref (filter_stream);
camel_stream_write_string (
stream, "</div></pre>", cancellable, NULL);
return TRUE;
} else if (context->mode == E_MAIL_FORMATTER_MODE_RAW) {
gint stdin, stdout;
GPid pid;
CamelStream *read, *write;
CamelDataWrapper *dw;
gchar *font_family, *font_size;
gboolean use_custom_font;
GSettings *settings;
PangoFontDescription *fd;
const gchar *argv[] = { "highlight",
NULL, /* don't move these! */
NULL,
"--out-format=html",
"--include-style",
"--inline-css",
"--style=bclear",
"--syntax=diff",
"--failsafe",
NULL };
dw = camel_medium_get_content (CAMEL_MEDIUM (part->part));
if (!dw) {
return FALSE;
}
fd = NULL;
settings = g_settings_new ("org.gnome.evolution.mail");
use_custom_font = g_settings_get_boolean (settings, "use-custom-font");
if (!use_custom_font) {
gchar *font;
font = get_default_font ();
fd = pango_font_description_from_string (font);
g_free (font);
g_object_unref (settings);
} else {
gchar *font;
font = g_settings_get_string (settings, "monospace-font");
if (!font)
font = get_default_font ();
fd = pango_font_description_from_string (font);
g_free (font);
}
font_family = g_strdup_printf ("--font='%s'",
pango_font_description_get_family (fd));
font_size = g_strdup_printf ("--font-size=%d",
pango_font_description_get_size (fd) / PANGO_SCALE);
argv[1] = font_family;
argv[2] = font_size;
if (!g_spawn_async_with_pipes (
NULL, (gchar **) argv, NULL,
G_SPAWN_SEARCH_PATH |
G_SPAWN_DO_NOT_REAP_CHILD,
NULL, NULL, &pid, &stdin, &stdout, NULL, NULL)) {
return FALSE;
}
write = camel_stream_fs_new_with_fd (stdin);
read = camel_stream_fs_new_with_fd (stdout);
camel_data_wrapper_decode_to_stream_sync (
dw, write, cancellable, NULL);
g_object_unref (write);
g_spawn_close_pid (pid);
g_seekable_seek (G_SEEKABLE (read), 0, G_SEEK_SET, cancellable, NULL);
camel_stream_write_to_stream (read, stream, cancellable, NULL);
camel_stream_flush (read, cancellable, NULL);
g_object_unref (read);
g_free (font_family);
g_free (font_size);
pango_font_description_free (fd);
} else {
gchar *uri, *str;
uri = e_mail_part_build_uri (
context->folder, context->message_uid,
"part_id", G_TYPE_STRING, part->id,
"mode", G_TYPE_INT, E_MAIL_FORMATTER_MODE_RAW,
NULL);
str = g_strdup_printf (
"<div class=\"part-container\" style=\"border-color: #%06x; "
"background-color: #%06x;\">"
"<div class=\"part-container-inner-margin\">\n"
"<iframe width=\"100%%\" height=\"10\""
" name=\"%s\" frameborder=\"0\" src=\"%s\"></iframe>"
"</div></div>",
e_color_to_value ((GdkColor *)
e_mail_formatter_get_color (
formatter, E_MAIL_FORMATTER_COLOR_FRAME)),
e_color_to_value ((GdkColor *)
e_mail_formatter_get_color (
formatter, E_MAIL_FORMATTER_COLOR_CONTENT)),
part->id, uri);
camel_stream_write_string (stream, str, cancellable, NULL);
g_free (str);
g_free (uri);
}
return TRUE;
}
static const gchar *
emfe_text_highlight_get_display_name (EMailFormatterExtension *extension)
{
return _("Patch");
}
static const gchar *
emfe_text_highlight_get_description (EMailFormatterExtension *extension)
{
return _("Format part as a patch");
}
static const gchar **
emfe_text_highlight_mime_types (EMailExtension *extension)
{
return formatter_mime_types;
}
static void
emfe_text_highlight_constructed (GObject *object)
{
EExtensible *extensible;
EMailExtensionRegistry *reg;
extensible = e_extension_get_extensible (E_EXTENSION (object));
reg = E_MAIL_EXTENSION_REGISTRY (extensible);
e_mail_extension_registry_add_extension (reg, E_MAIL_EXTENSION (object));
}
static void
e_mail_formatter_text_highlight_init (EMailFormatterTextHighlight *object)
{
}
static void
e_mail_formatter_text_highlight_class_init (EMailFormatterTextHighlightClass *class)
{
GObjectClass *object_class;
EExtensionClass *extension_class;
object_class = G_OBJECT_CLASS (class);
object_class->constructed = emfe_text_highlight_constructed;
extension_class = E_EXTENSION_CLASS (class);
extension_class->extensible_type = E_TYPE_MAIL_FORMATTER_EXTENSION_REGISTRY;
}
static void
e_mail_formatter_text_highlight_class_finalize (EMailFormatterTextHighlightClass *class)
{
}
void
e_mail_formatter_text_highlight_type_register (GTypeModule *type_module)
{
e_mail_formatter_text_highlight_register_type (type_module);
}
static void
e_mail_formatter_formatter_extension_interface_init (EMailFormatterExtensionInterface *iface)
{
iface->format = emfe_text_highlight_format;
iface->get_display_name = emfe_text_highlight_get_display_name;
iface->get_description = emfe_text_highlight_get_description;
}
static void
e_mail_formatter_mail_extension_interface_init (EMailExtensionInterface *iface)
{
iface->mime_types = emfe_text_highlight_mime_types;
}
