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/* Copyright (C) 2004 Michael Zucchi */
/* This file is licensed under the GNU GPL v2 or later */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <glib/gi18n-lib.h>
#include <string.h>
#include <stdio.h>
#include "camel/camel-multipart.h"
#include "camel/camel-mime-part.h"
#include "mail/em-format-hook.h"
#include "mail/em-format.h"
#include <gconf/gconf-client.h>
#include <gtk/gtkcombobox.h>
#include <gtk/gtkliststore.h>
#include <gtk/gtkcellrenderertext.h>
#include <gtk/gtkcelllayout.h>
#include <gtk/gtktable.h>
#include <gtk/gtklabel.h>
#include "mail/em-config.h"
void org_gnome_prefer_plain_multipart_alternative(void *ep, EMFormatHookTarget *t);
void org_gnome_prefer_plain_text_html(void *ep, EMFormatHookTarget *t);
GtkWidget *org_gnome_prefer_plain_config_mode(struct _EPlugin *epl, struct _EConfigHookItemFactoryData *data);
enum {
EPP_NORMAL,
EPP_PREFER,
EPP_TEXT
};
static GConfClient *epp_gconf = NULL;
static int epp_mode = -1;
void
org_gnome_prefer_plain_text_html(void *ep, EMFormatHookTarget *t)
{
/* In text-only mode, all html output is suppressed */
if (epp_mode != EPP_TEXT)
t->item->handler.old->handler(t->format, t->stream, t->part, t->item->handler.old);
else
em_format_part_as(t->format, t->stream, t->part, NULL);
}
static void
export_as_attachments (CamelMultipart *mp, EMFormat *format, CamelStream *stream, CamelMimePart *except)
{
int i, nparts, partidlen;
CamelMimePart *part;
if (!mp || !CAMEL_IS_MULTIPART (mp))
return;
partidlen = format->part_id->len;
nparts = camel_multipart_get_number(mp);
for (i = 0; i < nparts; i++) {
part = camel_multipart_get_part (mp, i);
if (part != except) {
CamelMultipart *multipart = (CamelMultipart *)camel_medium_get_content_object((CamelMedium *)part);
if (CAMEL_IS_MULTIPART (multipart)) {
export_as_attachments (multipart, format, stream, except);
} else {
g_string_append_printf (format->part_id, ".alternative.%d", i);
if (camel_content_type_is (camel_mime_part_get_content_type (part), "text", "html")) {
/* always show HTML as attachments and not inline */
camel_mime_part_set_disposition (part, "attachment");
if (!camel_mime_part_get_filename (part)) {
char *str = g_strdup_printf ("%s.html", _("attachment"));
camel_mime_part_set_filename (part, str);
g_free (str);
}
em_format_part_as (format, stream, part, "application/octet-stream");
} else
em_format_part (format, stream, part);
g_string_truncate (format->part_id, partidlen);
}
}
}
}
void
org_gnome_prefer_plain_multipart_alternative(void *ep, EMFormatHookTarget *t)
{
CamelMultipart *mp = (CamelMultipart *)camel_medium_get_content_object((CamelMedium *)t->part);
CamelMimePart *part, *display_part = NULL;
int i, nparts, partidlen, displayid = 0;
if (epp_mode == EPP_NORMAL) {
t->item->handler.old->handler(t->format, t->stream, t->part, t->item->handler.old);
return;
} else if (!CAMEL_IS_MULTIPART(mp)) {
em_format_format_source(t->format, t->stream, t->part);
return;
}
nparts = camel_multipart_get_number(mp);
for (i=0; i<nparts; i++) {
part = camel_multipart_get_part(mp, i);
if (part && camel_content_type_is(camel_mime_part_get_content_type(part), "text", "plain")) {
displayid = i;
display_part = part;
break;
}
}
/* this part-id stuff is poking private data, needs api */
partidlen = t->format->part_id->len;
/* if we found a text part, show it */
if (display_part) {
g_string_append_printf(t->format->part_id, ".alternative.%d", displayid);
em_format_part_as(t->format, t->stream, display_part, "text/plain");
g_string_truncate(t->format->part_id, partidlen);
}
/* all other parts are attachments */
export_as_attachments (mp, t->format, t->stream, display_part);
g_string_truncate(t->format->part_id, partidlen);
}
static struct {
const char *label;
const char *key;
} epp_options[] = {
{ N_("Show HTML if present"), "normal" },
{ N_("Prefer PLAIN"), "prefer_plain" },
{ N_("Only ever show PLAIN"), "only_plain" },
};
static void
epp_mode_changed(GtkComboBox *dropdown, void *dummy)
{
epp_mode = gtk_combo_box_get_active(dropdown);
if (epp_mode > 2)
epp_mode = 0;
gconf_client_set_string(epp_gconf, "/apps/evolution/eplugin/prefer_plain/mode", epp_options[epp_mode].key, NULL);
}
GtkWidget *
org_gnome_prefer_plain_config_mode(struct _EPlugin *epl, struct _EConfigHookItemFactoryData *data)
{
/*EMConfigTargetPrefs *ep = (EMConfigTargetPrefs *)data->target;*/
GtkComboBox *dropdown;
GtkCellRenderer *cell;
GtkListStore *store;
GtkWidget *w;
int i;
GtkTreeIter iter;
if (data->old)
return data->old;
dropdown = (GtkComboBox *)gtk_combo_box_new();
cell = gtk_cell_renderer_text_new();
store = gtk_list_store_new(1, G_TYPE_STRING);
for (i=0;i<sizeof(epp_options)/sizeof(epp_options[0]);i++) {
gtk_list_store_append(store, &iter);
gtk_list_store_set(store, &iter, 0, _(epp_options[i].label), -1);
}
gtk_cell_layout_pack_start((GtkCellLayout *)dropdown, cell, TRUE);
gtk_cell_layout_set_attributes((GtkCellLayout *)dropdown, cell, "text", 0, NULL);
gtk_combo_box_set_model(dropdown, (GtkTreeModel *)store);
/*gtk_combo_box_set_active(dropdown, -1);*/
gtk_combo_box_set_active(dropdown, epp_mode);
g_signal_connect(dropdown, "changed", G_CALLBACK(epp_mode_changed), NULL);
gtk_widget_show((GtkWidget *)dropdown);
w = gtk_label_new_with_mnemonic(_("HTML _Mode"));
gtk_widget_show(w);
gtk_label_set_mnemonic_widget(GTK_LABEL(w),(GtkWidget *)dropdown);
i = ((GtkTable *)data->parent)->nrows;
gtk_table_attach((GtkTable *)data->parent, w, 0, 1, i, i+1, 0, 0, 0, 0);
gtk_table_attach((GtkTable *)data->parent, (GtkWidget *)dropdown, 1, 2, i, i+1, GTK_FILL|GTK_EXPAND, 0, 0, 0);
/* since this isnt dynamic, we don't need to track each item */
return (GtkWidget *)dropdown;
}
int e_plugin_lib_enable(EPluginLib *ep, int enable);
int
e_plugin_lib_enable(EPluginLib *ep, int enable)
{
char *key;
int i;
if (epp_gconf || epp_mode != -1)
return 0;
if (enable) {
epp_gconf = gconf_client_get_default();
key = gconf_client_get_string(epp_gconf, "/apps/evolution/eplugin/prefer_plain/mode", NULL);
if (key) {
for (i=0;i<sizeof(epp_options)/sizeof(epp_options[0]);i++) {
if (!strcmp(epp_options[i].key, key)) {
epp_mode = i;
break;
}
}
g_free (key);
} else {
epp_mode = 0;
}
} else {
if (epp_gconf) {
g_object_unref(epp_gconf);
epp_gconf = NULL;
}
}
return 0;
}
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