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/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/*
* Nautilus
*
* Copyright (C) 2000 Eazel, Inc.
*
* Nautilus is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* Nautilus 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; see the file COPYING. If not,
* write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Author: Maciej Stachowiak <mjs@eazel.com>
*/
/* nautilus-adapter-stream-load-strategy.c -
*/
#include <config.h>
#include <string.h>
#include "nautilus-adapter-stream-load-strategy.h"
#include <bonobo/bonobo-stream.h>
#include <bonobo/bonobo-moniker-util.h>
#include <bonobo/bonobo-exception.h>
#include <gtk/gtkobject.h>
#include <eel/eel-gtk-macros.h>
#include <libnautilus/nautilus-view.h>
#include <libgnomevfs/gnome-vfs-utils.h>
#include <libgnomevfs/gnome-vfs-mime-utils.h>
struct NautilusAdapterStreamLoadStrategyDetails {
Bonobo_PersistStream persist_stream;
};
static void nautilus_adapter_stream_load_strategy_class_init (NautilusAdapterStreamLoadStrategyClass *klass);
static void nautilus_adapter_stream_load_strategy_init (NautilusAdapterStreamLoadStrategy *strategy);
static void nautilus_adapter_stream_load_strategy_destroy (GtkObject *object);
static void nautilus_adapter_stream_load_strategy_load_location (NautilusAdapterLoadStrategy *strategy,
const char *uri);
static void nautilus_adapter_stream_load_strategy_stop_loading (NautilusAdapterLoadStrategy *strategy);
EEL_CLASS_BOILERPLATE (NautilusAdapterStreamLoadStrategy, nautilus_adapter_stream_load_strategy, NAUTILUS_TYPE_ADAPTER_LOAD_STRATEGY)
static void
nautilus_adapter_stream_load_strategy_class_init (NautilusAdapterStreamLoadStrategyClass *klass)
{
GtkObjectClass *object_class;
NautilusAdapterLoadStrategyClass *adapter_load_strategy_class;
object_class = GTK_OBJECT_CLASS (klass);
object_class->destroy = nautilus_adapter_stream_load_strategy_destroy;
adapter_load_strategy_class = NAUTILUS_ADAPTER_LOAD_STRATEGY_CLASS (klass);
adapter_load_strategy_class->load_location = nautilus_adapter_stream_load_strategy_load_location;
adapter_load_strategy_class->stop_loading = nautilus_adapter_stream_load_strategy_stop_loading;
}
static void
nautilus_adapter_stream_load_strategy_init (NautilusAdapterStreamLoadStrategy *strategy)
{
strategy->details = g_new0 (NautilusAdapterStreamLoadStrategyDetails, 1);
}
static void
nautilus_adapter_stream_load_strategy_destroy (GtkObject *object)
{
NautilusAdapterStreamLoadStrategy *strategy;
CORBA_Environment ev;
strategy = NAUTILUS_ADAPTER_STREAM_LOAD_STRATEGY (object);
if (strategy->details->persist_stream != CORBA_OBJECT_NIL) {
CORBA_exception_init (&ev);
bonobo_object_release_unref (strategy->details->persist_stream, &ev);
CORBA_exception_free (&ev);
}
g_free (strategy->details);
EEL_CALL_PARENT (GTK_OBJECT_CLASS, destroy, (object));
}
NautilusAdapterLoadStrategy *
nautilus_adapter_stream_load_strategy_new (Bonobo_PersistStream persist_stream)
{
NautilusAdapterStreamLoadStrategy *strategy;
strategy = NAUTILUS_ADAPTER_STREAM_LOAD_STRATEGY (g_object_new (NAUTILUS_TYPE_ADAPTER_STREAM_LOAD_STRATEGY, NULL));
g_object_ref (strategy);
gtk_object_sink (GTK_OBJECT (strategy));
strategy->details->persist_stream = persist_stream;
return NAUTILUS_ADAPTER_LOAD_STRATEGY (strategy);
}
static ORBit_IMethod *
get_stream_load_method (void)
{
guint i;
ORBit_IInterface *iface;
static ORBit_IMethod *method = NULL;
iface = &Bonobo_PersistStream__iinterface;
if (!method) {
for (i = 0; i < iface->methods._length; i++) {
if (!strcmp ("load", iface->methods._buffer [i].name)) {
method = &iface->methods._buffer [i];
}
}
}
g_assert (method);
return method;
}
static void
unref_stream_cb (gpointer user_data)
{
bonobo_object_release_unref (user_data, NULL);
}
static void
nautilus_adapter_stream_load_strategy_load_location (NautilusAdapterLoadStrategy *abstract_strategy,
const char *uri)
{
NautilusAdapterStreamLoadStrategy *strategy;
Bonobo_Stream stream;
CORBA_Environment ev;
char *moniker_str;
char *escaped_uri;
char *mime_type;
gpointer args[2];
strategy = NAUTILUS_ADAPTER_STREAM_LOAD_STRATEGY (abstract_strategy);
g_object_ref (strategy);
CORBA_exception_init (&ev);
nautilus_adapter_load_strategy_report_load_underway (abstract_strategy);
/* We must escape the '!' in the URI here, because it is
* used as argument delimiter within monikers.
*/
escaped_uri = gnome_vfs_escape_set (uri, "!");
moniker_str = g_strconcat ("vfs:", escaped_uri, NULL);
stream = bonobo_get_object (moniker_str, "IDL:Bonobo/Stream:1.0", &ev);
g_free (moniker_str);
g_free (escaped_uri);
if (BONOBO_EX (&ev) || CORBA_Object_is_nil (stream, &ev)) {
nautilus_adapter_load_strategy_report_load_failed (abstract_strategy);
} else {
/* This adds an extra sniffing, which is a bit of a problem.
* We think this is ok, since it is relatively cheap and
* the adapter isn't used often. When the adapter is
* moved into the nautilus process, this should use the
* mime type from the NautilusFile. */
mime_type = gnome_vfs_get_mime_type (uri);
args [0] = &stream;
args [1] = &mime_type;
nautilus_adapter_load_strategy_load_async (
abstract_strategy,
strategy->details->persist_stream,
get_stream_load_method (),
args,
unref_stream_cb,
stream);
g_free (mime_type);
}
g_object_unref (strategy);
CORBA_exception_free (&ev);
}
static void
nautilus_adapter_stream_load_strategy_stop_loading (NautilusAdapterLoadStrategy *strategy)
{
g_return_if_fail (NAUTILUS_IS_ADAPTER_STREAM_LOAD_STRATEGY (strategy));
/* FIXME bugzilla.gnome.org 43456: is there anything we can do? */
}
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