diff options
Diffstat (limited to 'calendar/gui/e-itip-control.c')
| -rw-r--r-- | calendar/gui/e-itip-control.c | 236 |
1 files changed, 236 insertions, 0 deletions
diff --git a/calendar/gui/e-itip-control.c b/calendar/gui/e-itip-control.c new file mode 100644 index 0000000000..7c4dc22a4b --- /dev/null +++ b/calendar/gui/e-itip-control.c @@ -0,0 +1,236 @@ +/* -*- 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" + +/* + * 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. + */ + +typedef struct _EItipControlPrivate EItipControlPrivate; + +struct _EItipControlPrivate { + GladeXML *xml; + GtkWidget *main_frame; + GtkWidget *text_box; + + icalcomponent *main_comp; +}; + + +static void +control_destroy_cb (GtkObject *object, + gpointer data) +{ + EItipControlPrivate *priv = data; + + gtk_object_unref (GTK_OBJECT (priv->xml)); + g_free (priv); +} + + +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 (control_destroy_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."); +} + |