/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* This file is part of gnome-spell bonobo component
Copyright (C) 2000 Ximian, Inc.
Authors: Radek Doulik <rodo@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.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <string.h>
#include <bonobo/bonobo-arg.h>
#include <bonobo/bonobo-object.h>
#include <bonobo/bonobo-stream-client.h>
#include <camel/camel-stream-mem.h>
#include "listener.h"
static BonoboObjectClass *listener_parent_class;
static POA_GNOME_GtkHTML_Editor_Listener__vepv listener_vepv;
inline static EditorListener *
listener_from_servant (PortableServer_Servant servant)
{
return EDITOR_LISTENER (bonobo_object_from_servant (servant));
}
static CORBA_any *
get_any_null ()
{
CORBA_any *rv;
rv = CORBA_any__alloc ();
rv->_type = TC_null;
return rv;
}
static gchar *
resolve_image_url (EditorListener *l, gchar *url)
{
CamelMimePart *part;
const char *cid;
part = g_hash_table_lookup (l->composer->inline_images_by_url, url);
if (!part && !strncmp (url, "file:", 5)) {
part = e_msg_composer_add_inline_image_from_file (l->composer,
url + 5);
}
if (!part && !strncmp (url, "cid:", 4)) {
part = g_hash_table_lookup (l->composer->inline_images, url);
}
if (!part)
return NULL;
l->composer->current_images = g_list_prepend (l->composer->current_images, part);
cid = camel_mime_part_get_content_id (part);
if (!cid)
return NULL;
return g_strconcat ("cid:", cid, NULL);
}
static void
reply_indent (EditorListener *l, CORBA_Environment * ev)
{
if (!GNOME_GtkHTML_Editor_Engine_isParagraphEmpty (l->composer->editor_engine, ev)) {
if (GNOME_GtkHTML_Editor_Engine_isPreviousParagraphEmpty (l->composer->editor_engine, ev))
GNOME_GtkHTML_Editor_Engine_runCommand (l->composer->editor_engine, "cursor-backward", ev);
else {
GNOME_GtkHTML_Editor_Engine_runCommand (l->composer->editor_engine, "text-default-color", ev);
GNOME_GtkHTML_Editor_Engine_runCommand (l->composer->editor_engine, "italic-off", ev);
GNOME_GtkHTML_Editor_Engine_runCommand (l->composer->editor_engine, "insert-paragraph", ev);
return;
}
}
GNOME_GtkHTML_Editor_Engine_runCommand (l->composer->editor_engine, "style-normal", ev);
GNOME_GtkHTML_Editor_Engine_runCommand (l->composer->editor_engine, "indent-zero", ev);
GNOME_GtkHTML_Editor_Engine_runCommand (l->composer->editor_engine, "text-default-color", ev);
GNOME_GtkHTML_Editor_Engine_runCommand (l->composer->editor_engine, "italic-off", ev);
}
static void
clear_signature (GNOME_GtkHTML_Editor_Engine e, CORBA_Environment * ev)
{
if (GNOME_GtkHTML_Editor_Engine_isParagraphEmpty (e, ev))
GNOME_GtkHTML_Editor_Engine_setParagraphData (e, "signature", "0", ev);
else if (GNOME_GtkHTML_Editor_Engine_isPreviousParagraphEmpty (e, ev)
&& GNOME_GtkHTML_Editor_Engine_runCommand (e, "cursor-backward", ev)) {
GNOME_GtkHTML_Editor_Engine_setParagraphData (e, "signature", "0", ev);
GNOME_GtkHTML_Editor_Engine_runCommand (e, "cursor-forward", ev);
}
GNOME_GtkHTML_Editor_Engine_runCommand (e, "text-default-color", ev);
GNOME_GtkHTML_Editor_Engine_runCommand (e, "italic-off", ev);
}
static void
insert_paragraph_before (EditorListener *l, CORBA_Environment * ev)
{
if (!l->composer->in_signature_insert) {
CORBA_char *orig, *signature;
gboolean changed = FALSE;
/* FIXME check for insert-paragraph command */
orig = GNOME_GtkHTML_Editor_Engine_getParagraphData (l->composer->editor_engine, "orig", ev);
if (ev->_major == CORBA_NO_EXCEPTION) {
if (orig && *orig == '1') {
GNOME_GtkHTML_Editor_Engine_runCommand (l->composer->editor_engine, "text-default-color", ev);
GNOME_GtkHTML_Editor_Engine_runCommand (l->composer->editor_engine, "italic-off", ev);
changed = TRUE;
}
CORBA_free (orig);
}
if (!changed) {
signature = GNOME_GtkHTML_Editor_Engine_getParagraphData (l->composer->editor_engine, "signature", ev);
if (ev->_major == CORBA_NO_EXCEPTION) {
if (signature && *signature == '1') {
GNOME_GtkHTML_Editor_Engine_runCommand (l->composer->editor_engine, "text-default-color",
ev);
GNOME_GtkHTML_Editor_Engine_runCommand (l->composer->editor_engine, "italic-off", ev);
}
CORBA_free (signature);
}
}
}
}
static void
insert_paragraph_after (EditorListener *l, CORBA_Environment * ev)
{
if (!l->composer->in_signature_insert) {
CORBA_char *orig, *signature;
/* FIXME check for insert-paragraph command */
GNOME_GtkHTML_Editor_Engine_runCommand (l->composer->editor_engine, "text-default-color", ev);
GNOME_GtkHTML_Editor_Engine_runCommand (l->composer->editor_engine, "italic-off", ev);
orig = GNOME_GtkHTML_Editor_Engine_getParagraphData (l->composer->editor_engine, "orig", ev);
if (ev->_major == CORBA_NO_EXCEPTION) {
if (orig && *orig == '1')
reply_indent (l, ev);
GNOME_GtkHTML_Editor_Engine_setParagraphData (l->composer->editor_engine, "orig", "0", ev);
CORBA_free (orig);
}
signature = GNOME_GtkHTML_Editor_Engine_getParagraphData (l->composer->editor_engine, "signature", ev);
if (ev->_major == CORBA_NO_EXCEPTION) {
if (signature && *signature == '1')
clear_signature (l->composer->editor_engine, ev);
CORBA_free (signature);
}
}
}
static CORBA_any *
impl_event (PortableServer_Servant _servant,
const CORBA_char * name, const CORBA_any * arg,
CORBA_Environment * ev)
{
EditorListener *l = listener_from_servant (_servant);
CORBA_any *rv = NULL;
gchar *command;
if (!strcmp (name, "command_before")) {
command = BONOBO_ARG_GET_STRING (arg);
if (!strcmp (command, "insert-paragraph")) {
insert_paragraph_before (l, ev);
}
} else if (!strcmp (name, "command_after")) {
command = BONOBO_ARG_GET_STRING (arg);
if (!strcmp (command, "insert-paragraph")) {
insert_paragraph_after (l, ev);
}
} else if (!strcmp (name, "image_url")) {
gchar *url;
if ((url = resolve_image_url (l, BONOBO_ARG_GET_STRING (arg)))) {
rv = bonobo_arg_new (BONOBO_ARG_STRING);
BONOBO_ARG_SET_STRING (rv, url);
/* printf ("new url: %s\n", url); */
g_free (url);
}
} else if (!strcmp (name, "delete")) {
if (GNOME_GtkHTML_Editor_Engine_isParagraphEmpty (l->composer->editor_engine, ev)) {
CORBA_char *orig;
CORBA_char *signature;
orig = GNOME_GtkHTML_Editor_Engine_getParagraphData (l->composer->editor_engine, "orig", ev);
if (ev->_major == CORBA_NO_EXCEPTION) {
if (orig && *orig == '1') {
GNOME_GtkHTML_Editor_Engine_setParagraphData (l->composer->editor_engine, "orig", "0", ev);
GNOME_GtkHTML_Editor_Engine_runCommand (l->composer->editor_engine, "indent-zero", ev);
GNOME_GtkHTML_Editor_Engine_runCommand (l->composer->editor_engine, "style-normal", ev);
GNOME_GtkHTML_Editor_Engine_runCommand (l->composer->editor_engine, "text-default-color", ev);
GNOME_GtkHTML_Editor_Engine_runCommand (l->composer->editor_engine, "italic-off", ev);
GNOME_GtkHTML_Editor_Engine_runCommand (l->composer->editor_engine, "insert-paragraph", ev);
GNOME_GtkHTML_Editor_Engine_runCommand (l->composer->editor_engine, "delete-back", ev);
}
CORBA_free (orig);
}
signature = GNOME_GtkHTML_Editor_Engine_getParagraphData (l->composer->editor_engine, "signature", ev);
if (ev->_major == CORBA_NO_EXCEPTION) {
if (signature && *signature == '1')
GNOME_GtkHTML_Editor_Engine_setParagraphData (l->composer->editor_engine, "signature", "0", ev);
CORBA_free (signature);
}
}
} else if (!strcmp (name, "url_requested")) {
GNOME_GtkHTML_Editor_URLRequestEvent *e;
CamelMimePart *part;
GByteArray *ba;
CamelStream *cstream;
CamelDataWrapper *wrapper;
e = (GNOME_GtkHTML_Editor_URLRequestEvent *)arg->_value;
if (!e->url || e->stream == CORBA_OBJECT_NIL)
return get_any_null ();
part = g_hash_table_lookup (l->composer->inline_images_by_url, e->url);
if (!part)
part = g_hash_table_lookup (l->composer->inline_images, e->url);
if (!part)
return get_any_null ();
/* Write the data to a CamelStreamMem... */
ba = g_byte_array_new ();
cstream = camel_stream_mem_new_with_byte_array (ba);
wrapper = camel_medium_get_content_object (CAMEL_MEDIUM (part));
camel_data_wrapper_decode_to_stream (wrapper, cstream);
bonobo_stream_client_write (e->stream, ba->data, ba->len, ev);
camel_object_unref (cstream);
}
return rv ? rv : get_any_null ();
}
static void
listener_class_init (EditorListenerClass *klass)
{
POA_GNOME_GtkHTML_Editor_Listener__epv *epv;
listener_parent_class = g_type_class_ref(bonobo_object_get_type ());
epv = &klass->epv;
epv->event = impl_event;
}
static void
listener_init(EditorListener *object)
{
}
BONOBO_TYPE_FUNC_FULL(EditorListener, GNOME_GtkHTML_Editor_Listener, BONOBO_TYPE_OBJECT, listener);
EditorListener *
listener_new (EMsgComposer *composer)
{
EditorListener *listener;
listener = g_object_new (EDITOR_LISTENER_TYPE, NULL);
listener->composer = composer;
return listener;
}