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|
/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* e-itip-control.c
*
* Copyright (C) 2001 Ximian, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU 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 General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Author: JP Rosevear
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <glib.h>
#include <gtk/gtkmisc.h>
#include <libgnome/gnome-defs.h>
#include <libgnome/gnome-i18n.h>
#include <libgnome/gnome-util.h>
#include <libgnomeui/gnome-stock.h>
#include <libgnomeui/gnome-dialog.h>
#include <libgnomeui/gnome-dialog-util.h>
#include <gal/util/e-unicode-i18n.h>
#include <gal/widgets/e-unicode.h>
#include <gtkhtml/gtkhtml.h>
#include <gtkhtml/gtkhtml-stream.h>
#include <ical.h>
#include <cal-util/cal-component.h>
#include <cal-util/timeutil.h>
#include <cal-client/cal-client.h>
#include <e-util/e-time-utils.h>
#include <e-util/e-dialog-widgets.h>
#include "calendar-config.h"
#include "itip-utils.h"
#include "e-itip-control.h"
struct _EItipControlPrivate {
GtkWidget *html;
GtkWidget *count;
GtkWidget *next;
GtkWidget *prev;
CalClient *event_client;
CalClient *task_client;
char *vcalendar;
CalComponent *comp;
icalcomponent *main_comp;
icalcomponent *ical_comp;
icalcomponent *top_level;
icalcompiter iter;
icalproperty_method method;
int current;
int total;
GList *addresses;
gchar *from_address;
gchar *my_address;
};
/* HTML Strings */
#define HTML_BODY_START "<body bgcolor=\"#ffffff\" text=\"#000000\" link=\"#336699\">"
#define HTML_SEP "<hr color=#336699 align=\"left\" width=450>"
#define HTML_BODY_END "</body>"
#define HTML_FOOTER "</html>"
/* We don't use these now, as we need to be able to translate the text.
But I've left these here, in case there are problems with the new code. */
#if 0
#define PUBLISH_OPTIONS "<form><b>Choose an action:</b> <select NAME=\"action\" SIZE=\"1\"> \
<option VALUE=\"U\">Update</option></select>    \
<input TYPE=Submit name=\"ok\" value=\"OK\"></form>"
#define REQUEST_OPTIONS "<form><b>Choose an action:</b> <select NAME=\"action\" SIZE=\"1\"> \
<option VALUE=\"A\">Accept</option> \
<option VALUE=\"T\">Tentatively accept</option> \
<option VALUE=\"D\">Decline</option></select>  \
<input TYPE=\"checkbox\" name=\"rsvp\" value=\"1\" checked>RSVP  \
<input TYPE=\"submit\" name=\"ok\" value=\"OK\"><br> \
</form>"
#define REQUEST_FB_OPTIONS "<form><b>Choose an action:</b><select NAME=\"action\" SIZE=\"1\"> \
<option VALUE=\"F\">Send Free/Busy Information</option></select>    \
<input TYPE=Submit name=\"ok\" value=\"OK\"></form>"
#define REPLY_OPTIONS "<form><b>Choose an action:</b><select NAME=\"action\" SIZE=\"1\"> \
<option VALUE=\"R\">Update respondent status</option></select>    \
<input TYPE=Submit name=\"ok\" value=\"OK\"></form>"
#define REFRESH_OPTIONS "<form><b>Choose an action:</b><select NAME=\"action\" SIZE=\"1\"> \
<option VALUE=\"S\">Send Latest Information</option></select>    \
<input TYPE=Submit name=\"ok\" value=\"OK\"></form>"
#define CANCEL_OPTIONS "<form><b>Choose an action:</b><select NAME=\"action\" SIZE=\"1\"> \
<option VALUE=\"C\">Cancel</option></select>    \
<input TYPE=Submit name=\"ok\" value=\"OK\"></form>"
#endif
static void class_init (EItipControlClass *klass);
static void init (EItipControl *itip);
static void destroy (GtkObject *obj);
static void prev_clicked_cb (GtkWidget *widget, gpointer data);
static void next_clicked_cb (GtkWidget *widget, gpointer data);
static void url_requested_cb (GtkHTML *html, const gchar *url, GtkHTMLStream *handle, gpointer data);
static void ok_clicked_cb (GtkHTML *html, const gchar *method, const gchar *url, const gchar *encoding, gpointer data);
static GtkVBoxClass *parent_class = NULL;
GtkType
e_itip_control_get_type (void)
{
static GtkType type = 0;
if (type == 0) {
static const GtkTypeInfo info =
{
"EItipControl",
sizeof (EItipControl),
sizeof (EItipControlClass),
(GtkClassInitFunc) class_init,
(GtkObjectInitFunc) init,
/* reserved_1 */ NULL,
/* reserved_2 */ NULL,
(GtkClassInitFunc) NULL,
};
type = gtk_type_unique (gtk_vbox_get_type (), &info);
}
return type;
}
static void
class_init (EItipControlClass *klass)
{
GtkObjectClass *object_class;
object_class = GTK_OBJECT_CLASS (klass);
parent_class = gtk_type_class (gtk_vbox_get_type ());
object_class->destroy = destroy;
}
/* Calendar Server routines */
static void
start_calendar_server_cb (CalClient *cal_client,
CalClientOpenStatus status,
gpointer data)
{
gboolean *success = data;
if (status == CAL_CLIENT_OPEN_SUCCESS)
*success = TRUE;
else
*success = FALSE;
gtk_main_quit (); /* end the sub event loop */
}
static CalClient *
start_calendar_server (gchar *uri, gboolean tasks)
{
CalClient *client;
char *cal_uri;
gboolean success;
client = cal_client_new ();
if (uri)
cal_uri = g_strdup (uri);
else {
if (tasks)
cal_uri = g_concat_dir_and_file (
g_get_home_dir (),
"evolution/local/Tasks/tasks.ics");
else
cal_uri = g_concat_dir_and_file (
g_get_home_dir (),
"evolution/local/Calendar/calendar.ics");
}
gtk_signal_connect (GTK_OBJECT (client), "cal_opened",
start_calendar_server_cb, &success);
if (!cal_client_open_calendar (client, cal_uri, FALSE))
return NULL;
/* run a sub event loop to turn cal-client's async load
notification into a synchronous call */
gtk_main ();
if (success)
return client;
return NULL;
}
static void
init (EItipControl *itip)
{
EItipControlPrivate *priv;
GtkWidget *hbox, *scrolled_window;
priv = g_new0 (EItipControlPrivate, 1);
itip->priv = priv;
/* Addresses */
priv->addresses = itip_addresses_get ();
/* Header */
priv->prev = gnome_stock_button (GNOME_STOCK_BUTTON_PREV);
gtk_widget_show (priv->prev);
priv->next = gnome_stock_button (GNOME_STOCK_BUTTON_NEXT);
gtk_widget_show (priv->next);
hbox = gtk_hbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (hbox), priv->prev, FALSE, FALSE, 4);
gtk_box_pack_start (GTK_BOX (hbox), priv->count, TRUE, TRUE, 4);
gtk_box_pack_start (GTK_BOX (hbox), priv->next, FALSE, FALSE, 4);
gtk_widget_show (hbox);
gtk_signal_connect (GTK_OBJECT (priv->prev), "clicked",
GTK_SIGNAL_FUNC (prev_clicked_cb), itip);
gtk_signal_connect (GTK_OBJECT (priv->next), "clicked",
GTK_SIGNAL_FUNC (next_clicked_cb), itip);
/* Get the cal clients */
priv->event_client = start_calendar_server (
calendar_config_get_default_uri (), FALSE);
if (priv->event_client == NULL)
g_warning ("Unable to start calendar client");
priv->task_client = start_calendar_server (
calendar_config_get_default_tasks_uri (), FALSE);
if (priv->task_client == NULL)
g_warning ("Unable to start calendar client");
/* Html Widget */
priv->html = gtk_html_new ();
gtk_html_set_default_content_type (GTK_HTML (priv->html),
"text/html; charset=utf-8");
gtk_widget_show (priv->html);
scrolled_window = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
gtk_widget_show (scrolled_window);
gtk_container_add (GTK_CONTAINER (scrolled_window), priv->html);
gtk_widget_set_usize (scrolled_window, 600, 400);
gtk_box_pack_start (GTK_BOX (itip), scrolled_window, FALSE, FALSE, 4);
gtk_signal_connect (GTK_OBJECT (priv->html), "url_requested",
url_requested_cb, itip);
gtk_signal_connect (GTK_OBJECT (priv->html), "submit",
ok_clicked_cb, itip);
}
static void
clean_up (EItipControl *itip)
{
EItipControlPrivate *priv;
priv = itip->priv;
g_free (priv->vcalendar);
priv->vcalendar = NULL;
if (priv->comp)
gtk_object_unref (GTK_OBJECT (priv->comp));
priv->comp = NULL;
icalcomponent_free (priv->top_level);
priv->top_level = NULL;
icalcomponent_free (priv->main_comp);
priv->main_comp = NULL;
priv->ical_comp = NULL;
priv->current = 0;
priv->total = 0;
priv->my_address = NULL;
g_free (priv->from_address);
priv->from_address = NULL;
}
static void
destroy (GtkObject *obj)
{
EItipControl *itip = E_ITIP_CONTROL (obj);
EItipControlPrivate *priv;
priv = itip->priv;
clean_up (itip);
itip_addresses_free (priv->addresses);
priv->addresses = NULL;
gtk_object_unref (GTK_OBJECT (priv->event_client));
gtk_object_unref (GTK_OBJECT (priv->task_client));
g_free (priv);
if (GTK_OBJECT_CLASS (parent_class)->destroy)
(* GTK_OBJECT_CLASS (parent_class)->destroy) (obj);
}
GtkWidget *
e_itip_control_new (void)
{
return gtk_type_new (E_TYPE_ITIP_CONTROL);
}
static void
find_my_address (EItipControl *itip, icalcomponent *ical_comp)
{
EItipControlPrivate *priv;
icalproperty *prop;
const char *attendee, *text;
icalvalue *value;
priv = itip->priv;
for (prop = icalcomponent_get_first_property (ical_comp, ICAL_ATTENDEE_PROPERTY);
prop != NULL;
prop = icalcomponent_get_next_property (ical_comp, ICAL_ATTENDEE_PROPERTY))
{
GList *l;
value = icalproperty_get_value (prop);
if (!value)
continue;
attendee = icalvalue_get_string (value);
text = itip_strip_mailto (attendee);
for (l = priv->addresses; l != NULL; l = l->next) {
ItipAddress *a = l->data;
if (!strcmp (a->address, text)) {
priv->my_address = a->address;
return;
}
}
}
}
static icalproperty *
find_attendee (icalcomponent *ical_comp, const char *address)
{
icalproperty *prop;
const char *attendee, *text;
icalvalue *value;
g_return_val_if_fail (address != NULL, NULL);
for (prop = icalcomponent_get_first_property (ical_comp, ICAL_ATTENDEE_PROPERTY);
prop != NULL;
prop = icalcomponent_get_next_property (ical_comp, ICAL_ATTENDEE_PROPERTY))
{
value = icalproperty_get_value (prop);
if (!value)
continue;
attendee = icalvalue_get_string (value);
text = itip_strip_mailto (attendee);
if (strstr (text, address))
break;
}
return prop;
}
static icalparameter_partstat
find_attendee_partstat (icalcomponent *ical_comp, const char *address)
{
icalproperty *prop;
prop = find_attendee (ical_comp, address);
if (prop != NULL) {
icalparameter *param;
param = icalproperty_get_first_parameter (prop, ICAL_PARTSTAT_PARAMETER);
if (param != NULL)
return icalparameter_get_partstat (param);
}
return ICAL_PARTSTAT_NONE;
}
static void
set_label (EItipControl *itip)
{
EItipControlPrivate *priv;
gchar *text;
priv = itip->priv;
text = g_strdup_printf ("%d of %d", priv->current, priv->total);
gtk_label_set_text (GTK_LABEL (priv->count), text);
}
static void
set_button_status (EItipControl *itip)
{
EItipControlPrivate *priv;
priv = itip->priv;
if (priv->current == priv->total)
gtk_widget_set_sensitive (priv->next, FALSE);
else
gtk_widget_set_sensitive (priv->next, TRUE);
if (priv->current == 1)
gtk_widget_set_sensitive (priv->prev, FALSE);
else
gtk_widget_set_sensitive (priv->prev, TRUE);
}
static void
write_label_piece (EItipControl *itip, CalComponentDateTime *dt,
char *buffer, int size,
const char *stext, const char *etext)
{
EItipControlPrivate *priv;
struct tm tmp_tm;
char time_buf[64], *time_utf8;
icaltimezone *zone = NULL;
char *display_name;
priv = itip->priv;
/* UTC times get converted to the current timezone. This is done for
the COMPLETED property, which is always in UTC, and also because
Outlook sends simple events as UTC times. */
if (dt->value->is_utc) {
char *location = calendar_config_get_timezone ();
zone = icaltimezone_get_builtin_timezone (location);
icaltimezone_convert_time (dt->value, icaltimezone_get_utc_timezone (), zone);
}
tmp_tm = icaltimetype_to_tm (dt->value);
if (stext != NULL)
strcat (buffer, stext);
e_time_format_date_and_time (&tmp_tm,
calendar_config_get_24_hour_format (),
FALSE, FALSE,
time_buf, sizeof (time_buf));
time_utf8 = e_utf8_from_locale_string (time_buf);
strcat (buffer, time_utf8);
g_free (time_utf8);
if (!dt->value->is_utc && dt->tzid) {
zone = icalcomponent_get_timezone (priv->top_level, dt->tzid);
}
/* Output timezone after time, e.g. " America/New_York". */
if (zone) {
display_name = icaltimezone_get_display_name (zone);
/* These are ASCII strings, so should be OK as UTF-8.*/
if (display_name) {
strcat (buffer, " ");
strcat (buffer, display_name);
}
}
if (etext != NULL)
strcat (buffer, etext);
}
static void
set_date_label (EItipControl *itip, GtkHTML *html, GtkHTMLStream *html_stream,
CalComponent *comp)
{
EItipControlPrivate *priv;
CalComponentDateTime datetime;
static char buffer[1024];
gboolean wrote = FALSE, task_completed = FALSE;
CalComponentVType type;
priv = itip->priv;
type = cal_component_get_vtype (comp);
buffer[0] = '\0';
cal_component_get_dtstart (comp, &datetime);
if (datetime.value) {
switch (type) {
case CAL_COMPONENT_EVENT:
write_label_piece (itip, &datetime, buffer, 1024,
U_("Meeting begins: <b>"),
"</b><br>");
break;
case CAL_COMPONENT_TODO:
write_label_piece (itip, &datetime, buffer, 1024,
U_("Task begins: <b>"),
"</b><br>");
break;
case CAL_COMPONENT_FREEBUSY:
write_label_piece (itip, &datetime, buffer, 1024,
U_("Free/Busy info begins: <b>"),
"</b><br>");
break;
default:
write_label_piece (itip, &datetime, buffer, 1024, U_("Begins: <b>"), "</b><br>");
}
gtk_html_write (html, html_stream, buffer, strlen(buffer));
wrote = TRUE;
}
cal_component_free_datetime (&datetime);
buffer[0] = '\0';
cal_component_get_dtend (comp, &datetime);
if (datetime.value){
switch (type) {
case CAL_COMPONENT_EVENT:
write_label_piece (itip, &datetime, buffer, 1024, U_("Meeting ends: <b>"), "</b><br>");
break;
case CAL_COMPONENT_FREEBUSY:
write_label_piece (itip, &datetime, buffer, 1024, U_("Free/Busy info ends: <b>"),
"</b><br>");
break;
default:
write_label_piece (itip, &datetime, buffer, 1024, U_("Ends: <b>"), "</b><br>");
}
gtk_html_write (html, html_stream, buffer, strlen (buffer));
wrote = TRUE;
}
cal_component_free_datetime (&datetime);
buffer[0] = '\0';
datetime.tzid = NULL;
cal_component_get_completed (comp, &datetime.value);
if (type == CAL_COMPONENT_TODO && datetime.value) {
/* Pass TRUE as is_utc, so it gets converted to the current
timezone. */
datetime.value->is_utc = TRUE;
write_label_piece (itip, &datetime, buffer, 1024, U_("Task Completed: <b>"), "</b><br>");
gtk_html_write (html, html_stream, buffer, strlen (buffer));
wrote = TRUE;
task_completed = TRUE;
}
cal_component_free_datetime (&datetime);
buffer[0] = '\0';
cal_component_get_due (comp, &datetime);
if (type == CAL_COMPONENT_TODO && !task_completed && datetime.value) {
write_label_piece (itip, &datetime, buffer, 1024, U_("Task Due: <b>"), "</b><br>");
gtk_html_write (html, html_stream, buffer, strlen (buffer));
wrote = TRUE;
}
cal_component_free_datetime (&datetime);
if (wrote)
gtk_html_stream_printf (html_stream, "<br>");
}
static void
set_message (GtkHTML *html, GtkHTMLStream *html_stream, const gchar *message, gboolean err)
{
if (message == NULL)
return;
if (err) {
gtk_html_stream_printf (html_stream, "<b><font color=\"#ff0000\">%s</font></b><br><br>", message);
} else {
gtk_html_stream_printf (html_stream, "<b>%s</b><br><br>", message);
}
}
static void
write_error_html (EItipControl *itip, const gchar *itip_err)
{
EItipControlPrivate *priv;
GtkHTMLStream *html_stream;
priv = itip->priv;
/* Html widget */
html_stream = gtk_html_begin (GTK_HTML (priv->html));
gtk_html_stream_printf (html_stream,
"<html><head><title>%s</title></head>",
U_("iCalendar Information"));
gtk_html_write (GTK_HTML (priv->html), html_stream,
HTML_BODY_START, strlen(HTML_BODY_START));
/* The table */
gtk_html_stream_printf (html_stream, "<table width=450 cellspacing=\"0\" cellpadding=\"4\" border=\"0\">");
/* The column for the image */
gtk_html_stream_printf (html_stream, "<tr><td width=48 align=\"center\" valign=\"top\" rowspan=\"8\">");
/* The image */
gtk_html_stream_printf (html_stream, "<img src=\"/meeting-request.png\"></td>");
gtk_html_stream_printf (html_stream, "<td align=\"left\" valign=\"top\">");
/* Title */
set_message (GTK_HTML (priv->html), html_stream, U_("iCalendar Error"), TRUE);
/* Error */
gtk_html_write (GTK_HTML (priv->html), html_stream, itip_err, strlen(itip_err));
/* Clean up */
gtk_html_stream_printf (html_stream, "</td></tr></table>");
gtk_html_write (GTK_HTML (priv->html), html_stream,
HTML_BODY_END, strlen(HTML_BODY_END));
gtk_html_write (GTK_HTML (priv->html), html_stream,
HTML_FOOTER, strlen(HTML_FOOTER));
gtk_html_end (GTK_HTML (priv->html), html_stream, GTK_HTML_STREAM_OK);
}
static void
write_html (EItipControl *itip, const gchar *itip_desc, const gchar *itip_title, const gchar *options)
{
EItipControlPrivate *priv;
GtkHTMLStream *html_stream;
CalComponentText text;
CalComponentOrganizer organizer;
CalComponentAttendee *attendee;
GSList *attendees, *l = NULL;
gchar *html;
const gchar *const_html;
priv = itip->priv;
/* Html widget */
html_stream = gtk_html_begin (GTK_HTML (priv->html));
gtk_html_stream_printf (html_stream,
"<html><head><title>%s</title></head>",
U_("iCalendar Information"));
gtk_html_write (GTK_HTML (priv->html), html_stream,
HTML_BODY_START, strlen(HTML_BODY_START));
/* The table */
const_html = "<table width=450 cellspacing=\"0\" cellpadding=\"4\" border=\"0\">";
gtk_html_write (GTK_HTML (priv->html), html_stream, const_html, strlen(const_html));
/* The column for the image */
const_html = "<tr><td width=48 align=\"center\" valign=\"top\" rowspan=\"8\">";
gtk_html_write (GTK_HTML (priv->html), html_stream, const_html, strlen(const_html));
/* The image */
const_html = "<img src=\"/meeting-request.png\"></td>";
gtk_html_write (GTK_HTML (priv->html), html_stream, const_html, strlen(const_html));
const_html = "<td align=\"left\" valign=\"top\">";
gtk_html_write (GTK_HTML (priv->html), html_stream, const_html, strlen(const_html));
switch (priv->method) {
case ICAL_METHOD_REFRESH:
case ICAL_METHOD_REPLY:
/* An attendee sent this */
cal_component_get_attendee_list (priv->comp, &attendees);
if (attendees != NULL) {
attendee = attendees->data;
html = g_strdup_printf (itip_desc,
attendee->cn ?
attendee->cn :
itip_strip_mailto (attendee->value));
} else {
html = g_strdup_printf (itip_desc, U_("An unknown person"));
}
break;
case ICAL_METHOD_PUBLISH:
case ICAL_METHOD_REQUEST:
case ICAL_METHOD_ADD:
case ICAL_METHOD_CANCEL:
default:
/* The organizer sent this */
cal_component_get_organizer (priv->comp, &organizer);
if (organizer.value != NULL)
html = g_strdup_printf (itip_desc,
organizer.cn ?
organizer.cn :
itip_strip_mailto (organizer.value));
else
html = g_strdup_printf (itip_desc, U_("An unknown person"));
break;
}
gtk_html_write (GTK_HTML (priv->html), html_stream, html, strlen(html));
g_free (html);
/* Describe what the user can do */
const_html = U_("<br> Please review the following information, "
"and then select an action from the menu below.");
gtk_html_write (GTK_HTML (priv->html), html_stream, const_html, strlen(const_html));
/* Separator */
gtk_html_write (GTK_HTML (priv->html), html_stream, HTML_SEP, strlen (HTML_SEP));
/* Title */
set_message (GTK_HTML (priv->html), html_stream, itip_title, FALSE);
/* Date information */
set_date_label (itip, GTK_HTML (priv->html), html_stream, priv->comp);
/* Summary */
cal_component_get_summary (priv->comp, &text);
gtk_html_stream_printf (html_stream, "<b>%s</b> %s<br><br>",
U_("Summary:"), text.value ? text.value : U_("<i>None</i>"));
/* Description */
cal_component_get_description_list (priv->comp, &l);
if (l)
text = *((CalComponentText *)l->data);
if (l && text.value) {
gtk_html_stream_printf (html_stream, "<b>%s</b> %s",
U_("Description:"), text.value);
}
cal_component_free_text_list (l);
/* Separator */
gtk_html_write (GTK_HTML (priv->html), html_stream, HTML_SEP, strlen (HTML_SEP));
/* Options */
if (options != NULL)
gtk_html_write (GTK_HTML (priv->html), html_stream, options, strlen (options));
const_html = "</td></tr></table>";
gtk_html_write (GTK_HTML (priv->html), html_stream, const_html, strlen(const_html));
gtk_html_write (GTK_HTML (priv->html), html_stream,
HTML_BODY_END, strlen(HTML_BODY_END));
gtk_html_write (GTK_HTML (priv->html), html_stream,
HTML_FOOTER, strlen(HTML_FOOTER));
gtk_html_end (GTK_HTML (priv->html), html_stream, GTK_HTML_STREAM_OK);
}
static char*
get_publish_options ()
{
return g_strdup_printf ("<form><b>%s</b> "
"<select NAME=\"action\" SIZE=\"1\"> "
"<option VALUE=\"U\">%s</option>"
"</select>    "
"<input TYPE=Submit name=\"ok\" value=\"%s\">"
"</form>",
U_("Choose an action:"),
U_("Update"),
U_("OK"));
}
static char*
get_request_options ()
{
return g_strdup_printf ("<form><b>%s</b> "
"<select NAME=\"action\" SIZE=\"1\"> "
"<option VALUE=\"A\">%s</option> "
"<option VALUE=\"T\">%s</option> "
"<option VALUE=\"D\">%s</option></select>  "
"<input TYPE=\"checkbox\" name=\"rsvp\" value=\"1\" checked>%s  "
"<input TYPE=\"submit\" name=\"ok\" value=\"%s\"><br> "
"</form>",
U_("Choose an action:"),
U_("Accept"),
U_("Tentatively accept"),
U_("Decline"),
U_("RSVP"),
U_("OK"));
}
static char*
get_request_fb_options ()
{
return g_strdup_printf ("<form><b>%s</b> "
"<select NAME=\"action\" SIZE=\"1\"> "
"<option VALUE=\"F\">%s</option></select>    "
"<input TYPE=Submit name=\"ok\" value=\"%s\">"
"</form>",
U_("Choose an action:"),
U_("Send Free/Busy Information"),
U_("OK"));
}
static char*
get_reply_options ()
{
return g_strdup_printf ("<form><b>%s</b> "
"<select NAME=\"action\" SIZE=\"1\"> "
"<option VALUE=\"R\">%s</option></select>    "
"<input TYPE=Submit name=\"ok\" value=\"%s\">"
"</form>",
U_("Choose an action:"),
U_("Update respondent status"),
U_("OK"));
}
#if 0
static char*
get_refresh_options ()
{
return g_strdup_printf ("<form><b>%s</b> "
"<select NAME=\"action\" SIZE=\"1\"> "
"<option VALUE=\"S\">%s</option></select>    "
"<input TYPE=Submit name=\"ok\" value=\"%s\">"
"</form>",
U_("Choose an action:"),
U_("Send Latest Information"),
U_("OK"));
}
#endif
static char*
get_cancel_options ()
{
return g_strdup_printf ("<form><b>%s</b> "
"<select NAME=\"action\" SIZE=\"1\"> "
"<option VALUE=\"C\">%s</option></select>    "
"<input TYPE=Submit name=\"ok\" value=\"%s\">"
"</form>",
U_("Choose an action:"),
U_("Cancel"),
U_("OK"));
}
static void
show_current_event (EItipControl *itip)
{
EItipControlPrivate *priv;
const gchar *itip_title, *itip_desc;
char *options;
priv = itip->priv;
switch (priv->method) {
case ICAL_METHOD_PUBLISH:
itip_desc = U_("<b>%s</b> has published meeting information.");
itip_title = U_("Meeting Information");
options = get_publish_options ();
break;
case ICAL_METHOD_REQUEST:
itip_desc = U_("<b>%s</b> requests your presence at a meeting.");
itip_title = U_("Meeting Proposal");
options = get_request_options ();
break;
case ICAL_METHOD_ADD:
itip_desc = U_("<b>%s</b> wishes to add to an existing meeting.");
itip_title = U_("Meeting Update");
options = get_publish_options ();
break;
case ICAL_METHOD_REFRESH:
itip_desc = U_("<b>%s</b> wishes to receive the latest meeting information.");
itip_title = U_("Meeting Update Request");
options = get_publish_options ();
break;
case ICAL_METHOD_REPLY:
itip_desc = U_("<b>%s</b> has replied to a meeting request.");
itip_title = U_("Meeting Reply");
options = get_reply_options ();
break;
case ICAL_METHOD_CANCEL:
itip_desc = U_("<b>%s</b> has cancelled a meeting.");
itip_title = U_("Meeting Cancellation");
options = get_cancel_options ();
break;
default:
itip_desc = U_("<b>%s</b> has sent an unintelligible message.");
itip_title = U_("Bad Meeting Message");
options = NULL;
}
write_html (itip, itip_desc, itip_title, options);
g_free (options);
}
static void
show_current_todo (EItipControl *itip)
{
EItipControlPrivate *priv;
const gchar *itip_title, *itip_desc;
char *options;
priv = itip->priv;
switch (priv->method) {
case ICAL_METHOD_PUBLISH:
itip_desc = U_("<b>%s</b> has published task information.");
itip_title = U_("Task Information");
options = get_publish_options ();
break;
case ICAL_METHOD_REQUEST:
itip_desc = U_("<b>%s</b> requests you perform a task.");
itip_title = U_("Task Proposal");
options = get_request_options ();
break;
case ICAL_METHOD_ADD:
itip_desc = U_("<b>%s</b> wishes to add to an existing task.");
itip_title = U_("Task Update");
options = get_publish_options ();
break;
case ICAL_METHOD_REFRESH:
itip_desc = U_("<b>%s</b> wishes to receive the latest task information.");
itip_title = U_("Task Update Request");
options = get_publish_options ();
break;
case ICAL_METHOD_REPLY:
itip_desc = U_("<b>%s</b> has replied to a task assignment.");
itip_title = U_("Task Reply");
options = get_reply_options ();
break;
case ICAL_METHOD_CANCEL:
itip_desc = U_("<b>%s</b> has cancelled a task.");
itip_title = U_("Task Cancellation");
options = get_cancel_options ();
break;
default:
itip_desc = U_("<b>%s</b> has sent an unintelligible message.");
itip_title = U_("Bad Task Message");
options = NULL;
}
write_html (itip, itip_desc, itip_title, options);
g_free (options);
}
static void
show_current_freebusy (EItipControl *itip)
{
EItipControlPrivate *priv;
const gchar *itip_title, *itip_desc;
char *options;
priv = itip->priv;
switch (priv->method) {
case ICAL_METHOD_PUBLISH:
itip_desc = U_("<b>%s</b> has published free/busy information.");
itip_title = U_("Free/Busy Information");
options = NULL;
break;
case ICAL_METHOD_REQUEST:
itip_desc = U_("<b>%s</b> requests your free/busy information.");
itip_title = U_("Free/Busy Request");
options = get_request_fb_options ();
break;
case ICAL_METHOD_REPLY:
itip_desc = U_("<b>%s</b> has replied to a free/busy request.");
itip_title = U_("Free/Busy Reply");
options = NULL;
break;
default:
itip_desc = U_("<b>%s</b> has sent an unintelligible message.");
itip_title = U_("Bad Free/Busy Message");
options = NULL;
}
write_html (itip, itip_desc, itip_title, options);
g_free (options);
}
static icalcomponent *
get_next (icalcompiter *iter)
{
icalcomponent *ret = NULL;
icalcomponent_kind kind;
do {
icalcompiter_next (iter);
ret = icalcompiter_deref (iter);
kind = icalcomponent_isa (ret);
} while (ret != NULL
&& kind != ICAL_VEVENT_COMPONENT
&& kind != ICAL_VTODO_COMPONENT
&& kind != ICAL_VFREEBUSY_COMPONENT);
return ret;
}
static icalcomponent *
get_prev (icalcompiter *iter)
{
icalcomponent *ret = NULL;
icalcomponent_kind kind = ICAL_NO_COMPONENT;
while (kind != ICAL_VEVENT_COMPONENT
&& kind != ICAL_VTODO_COMPONENT
&& kind != ICAL_VFREEBUSY_COMPONENT) {
icalcompiter_prior (iter);
ret = icalcompiter_deref (iter);
kind = icalcomponent_isa (ret);
}
return ret;
}
static void
show_current (EItipControl *itip)
{
EItipControlPrivate *priv;
CalComponentVType type;
icalcomponent *alarm_comp;
icalcompiter alarm_iter;
priv = itip->priv;
set_label (itip);
set_button_status (itip);
if (priv->comp)
gtk_object_unref (GTK_OBJECT (priv->comp));
/* Strip out alarms for security purposes */
alarm_iter = icalcomponent_begin_component (priv->ical_comp, ICAL_VALARM_COMPONENT);
while ((alarm_comp = icalcompiter_deref (&alarm_iter)) != NULL) {
icalcomponent_remove_component (priv->ical_comp, alarm_comp);
icalcompiter_next (&alarm_iter);
}
priv->comp = cal_component_new ();
if (!cal_component_set_icalcomponent (priv->comp, priv->ical_comp)) {
write_error_html (itip, U_("The message does not appear to be properly formed"));
gtk_object_unref (GTK_OBJECT (priv->comp));
priv->comp = NULL;
return;
};
type = cal_component_get_vtype (priv->comp);
switch (type) {
case CAL_COMPONENT_EVENT:
show_current_event (itip);
break;
case CAL_COMPONENT_TODO:
show_current_todo (itip);
break;
case CAL_COMPONENT_FREEBUSY:
show_current_freebusy (itip);
break;
default:
write_error_html (itip, U_("The message contains only unsupported requests."));
}
find_my_address (itip, priv->ical_comp);
}
void
e_itip_control_set_data (EItipControl *itip, const gchar *text)
{
EItipControlPrivate *priv;
icalproperty *prop;
icalcomponent_kind kind = ICAL_NO_COMPONENT;
icalcomponent *tz_comp;
icalcompiter tz_iter;
priv = itip->priv;
clean_up (itip);
priv->comp = NULL;
priv->total = 0;
priv->current = 0;
priv->vcalendar = g_strdup (text);
priv->top_level = cal_util_new_top_level ();
priv->main_comp = icalparser_parse_string (priv->vcalendar);
if (priv->main_comp == NULL) {
write_error_html (itip, U_("The attachment does not contain a valid calendar message"));
return;
}
prop = icalcomponent_get_first_property (priv->main_comp, ICAL_METHOD_PROPERTY);
if (prop == NULL) {
write_error_html (itip, U_("The attachment does not contain a valid calendar message"));
return;
}
priv->method = icalproperty_get_method (prop);
tz_iter = icalcomponent_begin_component (priv->main_comp, ICAL_VTIMEZONE_COMPONENT);
while ((tz_comp = icalcompiter_deref (&tz_iter)) != NULL) {
icalcomponent *clone;
clone = icalcomponent_new_clone (tz_comp);
icalcomponent_add_component (priv->top_level, clone);
icalcompiter_next (&tz_iter);
}
priv->iter = icalcomponent_begin_component (priv->main_comp, ICAL_ANY_COMPONENT);
priv->ical_comp = icalcompiter_deref (&priv->iter);
kind = icalcomponent_isa (priv->ical_comp);
if (kind != ICAL_VEVENT_COMPONENT
&& kind != ICAL_VTODO_COMPONENT
&& kind != ICAL_VFREEBUSY_COMPONENT)
priv->ical_comp = get_next (&priv->iter);
if (priv->ical_comp == NULL) {
write_error_html (itip, U_("The attachment has no viewable calendar items"));
return;
}
priv->total = icalcomponent_count_components (priv->main_comp, ICAL_VEVENT_COMPONENT);
priv->total += icalcomponent_count_components (priv->main_comp, ICAL_VTODO_COMPONENT);
priv->total += icalcomponent_count_components (priv->main_comp, ICAL_VFREEBUSY_COMPONENT);
if (priv->total > 0)
priv->current = 1;
else
priv->current = 0;
show_current (itip);
}
gchar *
e_itip_control_get_data (EItipControl *itip)
{
EItipControlPrivate *priv;
priv = itip->priv;
return g_strdup (priv->vcalendar);
}
gint
e_itip_control_get_data_size (EItipControl *itip)
{
EItipControlPrivate *priv;
priv = itip->priv;
if (priv->vcalendar == NULL)
return 0;
return strlen (priv->vcalendar);
}
void
e_itip_control_set_from_address (EItipControl *itip, const gchar *address)
{
EItipControlPrivate *priv;
priv = itip->priv;
if (priv->from_address)
g_free (priv->from_address);
priv->from_address = g_strdup (address);
}
const gchar *
e_itip_control_get_from_address (EItipControl *itip)
{
EItipControlPrivate *priv;
priv = itip->priv;
return priv->from_address;
}
static void
change_status (icalcomponent *ical_comp, const char *address, icalparameter_partstat status)
{
icalproperty *prop;
prop = find_attendee (ical_comp, address);
if (prop) {
icalparameter *param;
icalproperty_remove_parameter (prop, ICAL_PARTSTAT_PARAMETER);
param = icalparameter_new_partstat (status);
icalproperty_add_parameter (prop, param);
}
}
static void
update_item (EItipControl *itip)
{
EItipControlPrivate *priv;
icalcomponent *clone;
CalClient *client;
CalComponentVType type;
GtkWidget *dialog;
priv = itip->priv;
type = cal_component_get_vtype (priv->comp);
if (type == CAL_COMPONENT_TODO)
client = priv->task_client;
else
client = priv->event_client;
clone = icalcomponent_new_clone (priv->ical_comp);
icalcomponent_add_component (priv->top_level, clone);
if (!cal_client_update_objects (client, priv->top_level))
dialog = gnome_warning_dialog (_("Calendar file could not be updated!\n"));
else
dialog = gnome_ok_dialog (_("Update complete\n"));
gnome_dialog_run_and_close (GNOME_DIALOG (dialog));
icalcomponent_remove_component (priv->top_level, clone);
}
static void
update_attendee_status (EItipControl *itip)
{
EItipControlPrivate *priv;
CalClient *client;
CalClientGetStatus status;
CalComponent *comp;
CalComponentVType type;
const char *uid;
GtkWidget *dialog;
priv = itip->priv;
type = cal_component_get_vtype (priv->comp);
if (type == CAL_COMPONENT_TODO)
client = priv->task_client;
else
client = priv->event_client;
/* Obtain our version */
cal_component_get_uid (priv->comp, &uid);
status = cal_client_get_object (client, uid, &comp);
if (status == CAL_CLIENT_GET_SUCCESS) {
GSList *attendees;
cal_component_get_attendee_list (priv->comp, &attendees);
if (attendees != NULL) {
CalComponentAttendee *a = attendees->data;
icalparameter_partstat partstat;
partstat = find_attendee_partstat (priv->ical_comp, itip_strip_mailto (a->value));
if (partstat != ICAL_PARTSTAT_NONE) {
change_status (cal_component_get_icalcomponent (comp),
itip_strip_mailto (a->value),
partstat);
cal_component_rescan (comp);
} else {
dialog = gnome_warning_dialog (_("Attendee status could "
"not be updated because "
"of an invalid status!\n"));
goto cleanup;
}
}
if (!cal_client_update_object (client, comp))
dialog = gnome_warning_dialog (_("Attendee status could not be updated!\n"));
else
dialog = gnome_ok_dialog (_("Attendee status updated\n"));
} else {
dialog = gnome_warning_dialog (_("Attendee status can not be updated "
"because the item no longer exists"));
}
cleanup:
gtk_object_unref (GTK_OBJECT (comp));
gnome_dialog_run_and_close (GNOME_DIALOG (dialog));
}
static void
remove_item (EItipControl *itip)
{
EItipControlPrivate *priv;
CalClient *client;
CalComponentVType type;
const char *uid;
GtkWidget *dialog;
priv = itip->priv;
type = cal_component_get_vtype (priv->comp);
if (type == CAL_COMPONENT_TODO)
client = priv->task_client;
else
client = priv->event_client;
cal_component_get_uid (priv->comp, &uid);
if (cal_client_remove_object (client, uid))
dialog = gnome_ok_dialog (_("Removal Complete"));
gnome_dialog_run_and_close (GNOME_DIALOG (dialog));
}
static void
send_item (EItipControl *itip)
{
EItipControlPrivate *priv;
CalComponent *comp;
CalComponentVType type;
const char *uid;
CalClientGetStatus status;
GtkWidget *dialog;
priv = itip->priv;
type = cal_component_get_vtype (priv->comp);
cal_component_get_uid (priv->comp, &uid);
switch (type) {
case CAL_COMPONENT_EVENT:
status = cal_client_get_object (priv->event_client, uid, &comp);
break;
case CAL_COMPONENT_TODO:
status = cal_client_get_object (priv->task_client, uid, &comp);
break;
default:
status = CAL_CLIENT_GET_NOT_FOUND;
}
if (status == CAL_CLIENT_GET_SUCCESS) {
itip_send_comp (CAL_COMPONENT_METHOD_PUBLISH, comp);
dialog = gnome_ok_dialog (_("Item sent!\n"));
} else {
dialog = gnome_warning_dialog (_("The item could not be sent!\n"));
}
gnome_dialog_run_and_close (GNOME_DIALOG (dialog));
}
static void
send_freebusy (EItipControl *itip)
{
EItipControlPrivate *priv;
CalComponentDateTime datetime;
time_t start, end;
GtkWidget *dialog;
GList *comp_list;
icaltimezone *zone;
priv = itip->priv;
cal_component_get_dtstart (priv->comp, &datetime);
if (datetime.tzid) {
zone = icalcomponent_get_timezone (priv->top_level,
datetime.tzid);
} else {
zone = NULL;
}
start = icaltime_as_timet_with_zone (*datetime.value, zone);
cal_component_free_datetime (&datetime);
cal_component_get_dtend (priv->comp, &datetime);
if (datetime.tzid) {
zone = icalcomponent_get_timezone (priv->top_level,
datetime.tzid);
} else {
zone = NULL;
}
end = icaltime_as_timet_with_zone (*datetime.value, zone);
cal_component_free_datetime (&datetime);
comp_list = cal_client_get_free_busy (priv->event_client, NULL, start, end);
if (comp_list) {
GList *l;
for (l = comp_list; l; l = l->next) {
CalComponent *comp = CAL_COMPONENT (l->data);
itip_send_comp (CAL_COMPONENT_METHOD_REPLY, comp);
gtk_object_unref (GTK_OBJECT (comp));
}
dialog = gnome_ok_dialog (_("Item sent!\n"));
g_list_free (comp_list);
} else {
dialog = gnome_warning_dialog (_("The item could not be sent!\n"));
}
gnome_dialog_run_and_close (GNOME_DIALOG (dialog));
}
static void
prev_clicked_cb (GtkWidget *widget, gpointer data)
{
EItipControl *itip = E_ITIP_CONTROL (data);
EItipControlPrivate *priv;
priv = itip->priv;
priv->current--;
priv->ical_comp = get_prev (&priv->iter);
show_current (itip);
}
static void
next_clicked_cb (GtkWidget *widget, gpointer data)
{
EItipControl *itip = E_ITIP_CONTROL (data);
EItipControlPrivate *priv;
priv = itip->priv;
priv->current++;
priv->ical_comp = get_next (&priv->iter);
show_current (itip);
}
static void
url_requested_cb (GtkHTML *html, const gchar *url, GtkHTMLStream *handle, gpointer data)
{ unsigned char buffer[4096];
int len, fd;
char *path;
path = g_strdup_printf ("%s/%s", EVOLUTION_ICONSDIR, url);
if ((fd = open (path, O_RDONLY)) == -1) {
g_warning ("%s", g_strerror (errno));
goto cleanup;
}
while ((len = read (fd, buffer, 4096)) > 0) {
gtk_html_write (html, handle, buffer, len);
}
if (len < 0) {
/* check to see if we stopped because of an error */
gtk_html_end (html, handle, GTK_HTML_STREAM_ERROR);
g_warning ("%s", g_strerror (errno));
goto cleanup;
}
/* done with no errors */
gtk_html_end (html, handle, GTK_HTML_STREAM_OK);
close (fd);
cleanup:
g_free (path);
}
static void
ok_clicked_cb (GtkHTML *html, const gchar *method, const gchar *url, const gchar *encoding, gpointer data)
{
EItipControl *itip = E_ITIP_CONTROL (data);
EItipControlPrivate *priv;
gchar **fields;
gboolean rsvp = FALSE;
int i;
priv = itip->priv;
fields = g_strsplit (encoding, "&", -1);
for (i = 0; fields[i] != NULL; i++) {
gchar **key_value;
key_value = g_strsplit (fields[i], "=", 2);
if (key_value[0] != NULL && !strcmp (key_value[0], "action")) {
if (key_value[1] == NULL)
break;
switch (key_value[1][0]) {
case 'U':
update_item (itip);
break;
case 'A':
change_status (priv->ical_comp, priv->my_address, ICAL_PARTSTAT_ACCEPTED);
cal_component_rescan (priv->comp);
update_item (itip);
break;
case 'T':
change_status (priv->ical_comp, priv->my_address, ICAL_PARTSTAT_TENTATIVE);
cal_component_rescan (priv->comp);
update_item (itip);
break;
case 'D':
change_status (priv->ical_comp, priv->my_address, ICAL_PARTSTAT_DECLINED);
cal_component_rescan (priv->comp);
remove_item (itip);
break;
case 'F':
send_freebusy (itip);
break;
case 'R':
update_attendee_status (itip);
break;
case 'S':
send_item (itip);
break;
case 'C':
remove_item (itip);
break;
}
}
if (key_value[0] != NULL && !strcmp (key_value[0], "rsvp"))
if (*key_value[1] == '1')
rsvp = TRUE;
g_strfreev (key_value);
}
g_strfreev (fields);
if (rsvp) {
CalComponent *comp = NULL;
comp = cal_component_clone (priv->comp);
if (comp == NULL)
return;
if (priv->my_address != NULL) {
icalcomponent *ical_comp;
icalproperty *prop;
const char *attendee, *text;
icalvalue *value;
ical_comp = cal_component_get_icalcomponent (comp);
for (prop = icalcomponent_get_first_property (ical_comp, ICAL_ATTENDEE_PROPERTY);
prop != NULL;
prop = icalcomponent_get_next_property (ical_comp, ICAL_ATTENDEE_PROPERTY))
{
value = icalproperty_get_value (prop);
if (!value)
continue;
attendee = icalvalue_get_string (value);
text = itip_strip_mailto (attendee);
if (!strstr (text, priv->my_address)) {
icalcomponent_remove_property (ical_comp, prop);
icalproperty_free (prop);
}
}
cal_component_rescan (comp);
itip_send_comp (CAL_COMPONENT_METHOD_REPLY, comp);
} else {
GtkWidget *dialog;
dialog = gnome_warning_dialog (_("Unable to find any of your identities "
"in the attendees list!\n"));
gnome_dialog_run_and_close (GNOME_DIALOG (dialog));
}
gtk_object_unref (GTK_OBJECT (comp));
}
}
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