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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* e-itip-control.c
*
* Authors:
* Jesse Pavel <jpavel@helixcode.com>
*
* Copyright 2000, Helix Code, Inc.
*/
#include <config.h>
#include <gnome.h>
#include <bonobo.h>
#include <glade/glade.h>
#include <icaltypes.h>
#include <ical.h>
#include "e-itip-control.h"
#define DEFAULT_WIDTH 300
#define DEFAULT_HEIGHT 200
typedef struct _EItipControlPrivate EItipControlPrivate;
struct _EItipControlPrivate {
GladeXML *xml;
GtkWidget *main_frame;
GtkWidget *text_box;
icalcomponent *main_comp;
};
static void
itip_control_destroy_cb (GtkObject *object,
gpointer data)
{
EItipControlPrivate *priv = data;
gtk_object_unref (GTK_OBJECT (priv->xml));
g_free (priv);
}
static void
itip_control_size_request_cb (GtkWidget *widget, GtkRequisition *requisition)
{
requisition->width = DEFAULT_WIDTH;
requisition->height = DEFAULT_HEIGHT;
}
/*
* 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 char *
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 (ev._major != CORBA_NO_EXCEPTION) {
CORBA_exception_free (&ev);
return NULL;
}
if (buffer->_length <= 0)
break;
data = g_realloc (data,
length + buffer->_length);
memcpy (data + length,
buffer->_buffer, buffer->_length);
length += buffer->_length;
CORBA_free (buffer);
} 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.
*/
static void
pstream_load (BonoboPersistStream *ps, const Bonobo_Stream stream,
Bonobo_Persist_ContentType type, void *data,
CORBA_Environment *ev)
{
EItipControlPrivate *priv = data;
gchar *vcalendar;
gint pos, length;
if (type && g_strcasecmp (type, "text/calendar") != 0 &&
g_strcasecmp (type, "text/x-calendar") != 0) {
CORBA_exception_set (ev, CORBA_USER_EXCEPTION,
ex_Bonobo_Persist_WrongDataType, NULL);
return;
}
if ((vcalendar = stream_read (stream)) == NULL) {
CORBA_exception_set (ev, CORBA_USER_EXCEPTION,
ex_Bonobo_Persist_FileNotFound, NULL);
return;
}
/* Do something with the data, here. */
pos = 0;
length = strlen (vcalendar);
if (length > 0)
gtk_editable_delete_text (GTK_EDITABLE (priv->text_box), 0, length);
gtk_editable_insert_text (GTK_EDITABLE (priv->text_box),
vcalendar,
length,
&pos);
g_free (vcalendar);
} /* pstream_load */
/*
* This function implements the Bonobo::PersistStream:save method.
*/
static void
pstream_save (BonoboPersistStream *ps, const Bonobo_Stream stream,
Bonobo_Persist_ContentType type, void *data,
CORBA_Environment *ev)
{
EItipControlPrivate *priv = data;
gchar *vcalendar;
int length;
if (type && g_strcasecmp (type, "text/calendar") != 0 &&
g_strcasecmp (type, "text/x-calendar") != 0) {
CORBA_exception_set (ev, CORBA_USER_EXCEPTION,
ex_Bonobo_Persist_WrongDataType, NULL);
return;
}
/* Put something into vcalendar here. */
length = gtk_text_get_length (GTK_TEXT (priv->text_box));
vcalendar = gtk_editable_get_chars (GTK_EDITABLE (priv->text_box), 0, -1);
bonobo_stream_client_write (stream, vcalendar, length, ev);
g_free (vcalendar);
} /* pstream_save */
static CORBA_long
pstream_get_max_size (BonoboPersistStream *ps, void *data,
CORBA_Environment *ev)
{
EItipControlPrivate *priv = data;
gint length;
length = gtk_text_get_length (GTK_TEXT (priv->text_box));
return length;
}
static Bonobo_Persist_ContentTypeList *
pstream_get_content_types (BonoboPersistStream *ps, void *closure,
CORBA_Environment *ev)
{
return bonobo_persist_generate_content_types (2, "text/calendar", "text/x-calendar");
}
static BonoboObject *
e_itip_control_factory (BonoboGenericFactory *Factory, void *closure)
{
BonoboControl *control;
BonoboPersistStream *stream;
EItipControlPrivate *priv;
priv = g_new0 (EItipControlPrivate, 1);
priv->xml = glade_xml_new (EVOLUTION_GLADEDIR "/" "e-itip-control.glade", "main_frame");
/* Create the control. */
priv->main_frame = glade_xml_get_widget (priv->xml, "main_frame");
priv->text_box = glade_xml_get_widget (priv->xml, "text_box");
gtk_text_set_editable (GTK_TEXT (priv->text_box), FALSE);
gtk_signal_connect (GTK_OBJECT (priv->main_frame), "destroy",
GTK_SIGNAL_FUNC (itip_control_destroy_cb), priv);
gtk_signal_connect (GTK_OBJECT (priv->main_frame), "size_request",
GTK_SIGNAL_FUNC (itip_control_size_request_cb), priv);
gtk_widget_show (priv->text_box);
gtk_widget_show (priv->main_frame);
control = bonobo_control_new (priv->main_frame);
stream = bonobo_persist_stream_new (pstream_load, pstream_save,
pstream_get_max_size,
pstream_get_content_types,
priv);
if (stream == NULL) {
bonobo_object_unref (BONOBO_OBJECT (control));
return NULL;
}
bonobo_object_add_interface (BONOBO_OBJECT (control),
BONOBO_OBJECT (stream));
return BONOBO_OBJECT (control);
}
void
e_itip_control_factory_init (void)
{
static BonoboGenericFactory *factory = NULL;
if (factory != NULL)
return;
factory =
bonobo_generic_factory_new (
"OAFIID:control-factory:e_itipview:10441fcf-9a4f-4bf9-a026-d50b5462d45a",
e_itip_control_factory, NULL);
if (factory == NULL)
g_error ("I could not register an iTip control factory.");
}
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