diff options
Diffstat (limited to 'calendar/gui/itip-control-factory.c')
| -rw-r--r-- | calendar/gui/itip-control-factory.c | 282 |
1 files changed, 282 insertions, 0 deletions
diff --git a/calendar/gui/itip-control-factory.c b/calendar/gui/itip-control-factory.c new file mode 100644 index 0000000000..a6fb081b47 --- /dev/null +++ b/calendar/gui/itip-control-factory.c @@ -0,0 +1,282 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ +/* Evolution calendar - Control for displaying iTIP mail messages + * + * Copyright (C) 2000 Ximian, Inc. + * Copyright (C) 2000 Ximian, Inc. + * + * Author: Jesse Pavel <jpavel@ximian.com> + * + * 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. + */ + +#include <config.h> +#include <glib.h> +#include <gtk/gtkobject.h> +#include <gtk/gtkwidget.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 <ical.h> + +#include "e-itip-control.h" +#include "itip-control-factory.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 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 (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; + char *text; +} idle_data; + +static gboolean +set_data_idle_cb (gpointer data) +{ + idle_data *id = data; + + e_itip_control_set_data (id->itip, id->text); + gtk_object_unref (GTK_OBJECT (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, void *data, + CORBA_Environment *ev) +{ + EItipControl *itip = data; + idle_data *id; + + if (type && g_strcasecmp (type, "text/calendar") != 0 && + g_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; + } + gtk_object_ref (GTK_OBJECT (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, void *data, + CORBA_Environment *ev) +{ + EItipControl *itip = data; + gchar *text; + gint len; + + if (type && g_strcasecmp (type, "text/calendar") != 0 && + g_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, void *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, void *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_BOOLEAN (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_BOOLEAN (arg)); + break; + } +} + + +static BonoboObject * +itip_control_factory (BonoboGenericFactory *Factory, void *closure) +{ + 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_BOOLEAN, NULL, + "view_only", 0 ); + + bonobo_control_set_properties (control, prop_bag); + bonobo_object_unref (BONOBO_OBJECT (prop_bag)); + + bonobo_control_set_automerge (control, TRUE); + + stream = bonobo_persist_stream_new (pstream_load, pstream_save, + pstream_get_max_size, + pstream_get_content_types, + itip); + + 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 +itip_control_factory_init (void) +{ + static BonoboGenericFactory *factory = NULL; + + if (factory != NULL) + return; + + factory = bonobo_generic_factory_new ( + "OAFIID:GNOME_Evolution_Calendar_iTip_ControlFactory", + itip_control_factory, NULL); + bonobo_running_context_auto_exit_unref (BONOBO_OBJECT (factory));; + + if (factory == NULL) + g_error ("I could not register an iTip control factory."); +} + |