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/*
* nautilus-previewer: nautilus previewer DBus wrapper
*
* Copyright (C) 2011, Red Hat, 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; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* Author: Cosimo Cecchi <cosimoc@redhat.com>
*
*/
#include "nautilus-previewer.h"
#define DEBUG_FLAG NAUTILUS_DEBUG_PREVIEWER
#include <libnautilus-private/nautilus-debug.h>
#include <gio/gio.h>
G_DEFINE_TYPE (NautilusPreviewer, nautilus_previewer, G_TYPE_OBJECT);
#define PREVIEWER_DBUS_NAME "org.gnome.NautilusPreviewer"
#define PREVIEWER_DBUS_IFACE "org.gnome.NautilusPreviewer"
#define PREVIEWER_DBUS_PATH "/org/gnome/NautilusPreviewer"
static NautilusPreviewer *singleton = NULL;
struct _NautilusPreviewerPriv {
GDBusProxy *proxy;
GVariant *pending_variant;
};
static void
nautilus_previewer_dispose (GObject *object)
{
NautilusPreviewer *self = NAUTILUS_PREVIEWER (object);
DEBUG ("%p", self);
g_clear_object (&self->priv->proxy);
G_OBJECT_CLASS (nautilus_previewer_parent_class)->dispose (object);
}
static GObject *
nautilus_previewer_constructor (GType type,
guint n_construct_params,
GObjectConstructParam *construct_params)
{
GObject *retval;
if (singleton != NULL)
return G_OBJECT (singleton);
retval = G_OBJECT_CLASS (nautilus_previewer_parent_class)->constructor
(type, n_construct_params, construct_params);
singleton = NAUTILUS_PREVIEWER (retval);
g_object_add_weak_pointer (retval, (gpointer) &singleton);
return retval;
}
static void
nautilus_previewer_init (NautilusPreviewer *self)
{
self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self, NAUTILUS_TYPE_PREVIEWER,
NautilusPreviewerPriv);
}
static void
nautilus_previewer_class_init (NautilusPreviewerClass *klass)
{
GObjectClass *oclass;
oclass = G_OBJECT_CLASS (klass);
oclass->constructor = nautilus_previewer_constructor;
oclass->dispose = nautilus_previewer_dispose;
g_type_class_add_private (klass, sizeof (NautilusPreviewerPriv));
}
static void
previewer_show_file_ready_cb (GObject *source,
GAsyncResult *res,
gpointer user_data)
{
NautilusPreviewer *self = user_data;
GError *error = NULL;
g_dbus_proxy_call_finish (self->priv->proxy,
res, &error);
if (error != NULL) {
DEBUG ("Unable to call ShowFile on NautilusPreviewer: %s",
error->message);
g_error_free (error);
}
g_object_unref (self);
}
static void
real_call_show_file (NautilusPreviewer *self,
GVariant *args)
{
gchar *variant_str;
variant_str = g_variant_print (args, TRUE);
DEBUG ("Calling ShowFile with params %s", variant_str);
g_dbus_proxy_call (self->priv->proxy,
"ShowFile",
args,
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
previewer_show_file_ready_cb,
self);
g_free (variant_str);
}
static void
previewer_proxy_async_ready_cb (GObject *source,
GAsyncResult *res,
gpointer user_data)
{
GDBusProxy *proxy;
NautilusPreviewer *self = user_data;
GError *error = NULL;
proxy = g_dbus_proxy_new_finish (res, &error);
if (error != NULL) {
g_warning ("Unable to create a dbus proxy for NautilusPreviewer: %s",
error->message);
g_error_free (error);
g_object_unref (self);
return;
}
DEBUG ("Got previewer DBus proxy");
self->priv->proxy = proxy;
if (self->priv->pending_variant != NULL) {
real_call_show_file (self, self->priv->pending_variant);
g_variant_unref (self->priv->pending_variant);
self->priv->pending_variant = NULL;
} else {
g_object_unref (self);
}
}
NautilusPreviewer *
nautilus_previewer_get_singleton (void)
{
return g_object_new (NAUTILUS_TYPE_PREVIEWER, NULL);
}
void
nautilus_previewer_call_show_file (NautilusPreviewer *self,
const gchar *uri,
guint xid,
gboolean close_if_already_visible)
{
GVariant *variant;
variant = g_variant_new ("(sib)",
uri, xid, close_if_already_visible);
g_object_ref (self);
if (self->priv->proxy == NULL) {
/* if we already have a variant, don't call
* g_dbus_proxy_new_for_bus() again, but just change the pending
* argument to the new variant.
*/
if (self->priv->pending_variant != NULL)
g_variant_unref (self->priv->pending_variant);
else
g_dbus_proxy_new_for_bus (G_BUS_TYPE_SESSION,
G_DBUS_PROXY_FLAGS_NONE,
NULL,
PREVIEWER_DBUS_NAME,
PREVIEWER_DBUS_PATH,
PREVIEWER_DBUS_IFACE,
NULL,
previewer_proxy_async_ready_cb,
self);
self->priv->pending_variant = g_variant_ref_sink (variant);
} else {
real_call_show_file (self, variant);
}
}
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