/*
* Evolution calendar - Control for displaying iTIP mail messages
*
* 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/>
*
*
* Authors:
* Jesse Pavel <jpavel@ximian.com>
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
*/
#include <config.h>
#include <string.h>
#include <gtk/gtk.h>
#include <bonobo/bonobo-generic-factory.h>
#include <bonobo/bonobo-control.h>
#include <bonobo/bonobo-property-bag.h>
#include <bonobo/bonobo-persist-stream.h>
#include <bonobo/bonobo-stream-client.h>
#include <bonobo/bonobo-context.h>
#include <bonobo/bonobo-exception.h>
#include <libical/ical.h>
#include "e-itip-control.h"
#include "itip-bonobo-control.h"
extern gchar *evolution_dir;
enum E_ITIP_BONOBO_ARGS {
FROM_ADDRESS_ARG_ID,
VIEW_ONLY_ARG_ID
};
/*
* Bonobo::PersistStream
*
* These two functions implement the Bonobo::PersistStream load and
* save methods which allow data to be loaded into and out of the
* BonoboObject.
*/
static gchar *
stream_read (Bonobo_Stream stream)
{
Bonobo_Stream_iobuf *buffer;
CORBA_Environment ev;
gchar *data = NULL;
gint length = 0;
CORBA_exception_init (&ev);
do {
#define READ_CHUNK_SIZE 65536
Bonobo_Stream_read (stream, READ_CHUNK_SIZE,
&buffer, &ev);
if (BONOBO_EX (&ev)) {
CORBA_exception_free (&ev);
return NULL;
}
if (buffer->_length <= 0)
break;
data = g_realloc (data, length + buffer->_length + 1);
memcpy (data + length, buffer->_buffer, buffer->_length);
length += buffer->_length;
data[length] = '\0';
CORBA_free (buffer);
#undef READ_CHUNK_SIZE
} while (1);
CORBA_free (buffer);
CORBA_exception_free (&ev);
if (data == NULL)
data = g_strdup("");
return data;
} /* stream_read */
/*
* This function implements the Bonobo::PersistStream:load method.
*/
typedef struct {
EItipControl *itip;
gchar *text;
} idle_data;
static gboolean
set_data_idle_cb (gpointer data)
{
idle_data *id = data;
e_itip_control_set_data (id->itip, id->text);
g_object_unref (id->itip);
g_free (id->text);
g_free (id);
return FALSE;
}
static void
pstream_load (BonoboPersistStream *ps, const Bonobo_Stream stream,
Bonobo_Persist_ContentType type, gpointer data,
CORBA_Environment *ev)
{
EItipControl *itip = data;
idle_data *id;
if (type && g_ascii_strcasecmp (type, "text/calendar") != 0 &&
g_ascii_strcasecmp (type, "text/x-calendar") != 0) {
bonobo_exception_set (ev, ex_Bonobo_Persist_WrongDataType);
return;
}
id = g_new0 (idle_data, 1);
if ((id->text = stream_read (stream)) == NULL) {
bonobo_exception_set (ev, ex_Bonobo_Persist_FileNotFound);
g_free (id);
return;
}
g_object_ref (itip);
id->itip = itip;
g_idle_add (set_data_idle_cb, id);
}
/*
* This function implements the Bonobo::PersistStream:save method.
*/
static void
pstream_save (BonoboPersistStream *ps, const Bonobo_Stream stream,
Bonobo_Persist_ContentType type, gpointer data,
CORBA_Environment *ev)
{
EItipControl *itip = data;
gchar *text;
gint len;
if (type && g_ascii_strcasecmp (type, "text/calendar") != 0 &&
g_ascii_strcasecmp (type, "text/x-calendar") != 0) {
bonobo_exception_set (ev, ex_Bonobo_Persist_WrongDataType);
return;
}
text = e_itip_control_get_data (itip);
len = e_itip_control_get_data_size (itip);
bonobo_stream_client_write (stream, text, len, ev);
g_free (text);
} /* pstream_save */
/* static CORBA_long */
/* pstream_get_max_size (BonoboPersistStream *ps, gpointer data, */
/* CORBA_Environment *ev) */
/* { */
/* EItipControl *itip = data; */
/* gint len; */
/* len = e_itip_control_get_data_size (itip); */
/* if (len > 0) */
/* return len; */
/* return 0L; */
/* } */
static Bonobo_Persist_ContentTypeList *
pstream_get_content_types (BonoboPersistStream *ps, gpointer closure,
CORBA_Environment *ev)
{
return bonobo_persist_generate_content_types (2, "text/calendar", "text/x-calendar");
}
static void
get_prop (BonoboPropertyBag *bag,
BonoboArg *arg,
guint arg_id,
CORBA_Environment *ev,
gpointer user_data)
{
EItipControl *itip = user_data;
switch (arg_id) {
case FROM_ADDRESS_ARG_ID:
BONOBO_ARG_SET_STRING (arg, e_itip_control_get_from_address (itip));
break;
case VIEW_ONLY_ARG_ID:
BONOBO_ARG_SET_INT (arg, e_itip_control_get_view_only (itip));
break;
}
}
static void
set_prop ( BonoboPropertyBag *bag,
const BonoboArg *arg,
guint arg_id,
CORBA_Environment *ev,
gpointer user_data)
{
EItipControl *itip = user_data;
switch (arg_id) {
case FROM_ADDRESS_ARG_ID:
e_itip_control_set_from_address (itip, BONOBO_ARG_GET_STRING (arg));
break;
case VIEW_ONLY_ARG_ID:
e_itip_control_set_view_only (itip, BONOBO_ARG_GET_INT (arg));
break;
}
}
BonoboControl *
itip_bonobo_control_new (void)
{
BonoboControl *control;
BonoboPropertyBag *prop_bag;
BonoboPersistStream *stream;
GtkWidget *itip;
itip = e_itip_control_new ();
gtk_widget_show (itip);
control = bonobo_control_new (itip);
/* create a property bag */
prop_bag = bonobo_property_bag_new (get_prop, set_prop, itip);
bonobo_property_bag_add (prop_bag, "from_address", FROM_ADDRESS_ARG_ID, BONOBO_ARG_STRING, NULL,
"from_address", 0 );
bonobo_property_bag_add (prop_bag, "view_only", VIEW_ONLY_ARG_ID, BONOBO_ARG_INT, NULL,
"view_only", 0 );
bonobo_control_set_properties (control, bonobo_object_corba_objref (BONOBO_OBJECT (prop_bag)), NULL);
bonobo_object_unref (BONOBO_OBJECT (prop_bag));
bonobo_control_set_automerge (control, TRUE);
stream = bonobo_persist_stream_new (pstream_load, pstream_save,
pstream_get_content_types,
"OAFIID:GNOME_Evolution_Calendar_iTip_Control:" BASE_VERSION,
itip);
if (stream == NULL) {
bonobo_object_unref (BONOBO_OBJECT (control));
return NULL;
}
bonobo_object_add_interface (BONOBO_OBJECT (control),
BONOBO_OBJECT (stream));
return control;
}
