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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* This is where Inkscape connects to the DBus when it starts and
* registers the main interface.
*
* Also where new interfaces are registered when a new document is created.
* (Not called directly by application-interface but called indirectly.)
*
* Authors:
* Soren Berg <Glimmer07@gmail.com>
*
* Copyright (C) 2009 Soren Berg
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include <dbus/dbus-glib.h>
// this is required so that giomm headers won't barf
#undef DBUS_MESSAGE_TYPE_INVALID
#include "dbus-init.h"
#include "application-interface.h"
#include "application-server-glue.h"
#include "document-interface.h"
#include "document-server-glue.h"
#include "inkscape.h"
#include "document.h"
#include "desktop.h"
#include "file.h"
#include "verbs.h"
#include "helper/action.h"
#include <algorithm>
#include <iostream>
#include <sstream>
namespace
{
// This stores the bus name to use for this app instance. By default, it
// will be set to org.inkscape. However, users may provide other names by
// setting command-line parameters when starting Inkscape, so that more
// than one instance of Inkscape may be used by external scripts.
gchar *instance_bus_name = NULL;
}
namespace Inkscape {
namespace Extension {
namespace Dbus {
/* PRIVATE get a connection to the session bus */
DBusGConnection *
dbus_get_connection() {
GError *error = NULL;
DBusGConnection *connection = dbus_g_bus_get (DBUS_BUS_SESSION, &error);
if (error) {
fprintf(stderr, "Failed to get connection");
return NULL;
}
else
return connection;
}
/* PRIVATE create a proxy object for a bus.*/
DBusGProxy *
dbus_get_proxy(DBusGConnection *connection) {
return dbus_g_proxy_new_for_name (connection,
DBUS_SERVICE_DBUS,
DBUS_PATH_DBUS,
DBUS_INTERFACE_DBUS);
}
/* PRIVATE register an object on a bus */
static gpointer
dbus_register_object (DBusGConnection *connection,
DBusGProxy *proxy,
GType object_type,
const DBusGObjectInfo *info,
const gchar *path)
{
GObject *object = (GObject*)g_object_new (object_type, NULL);
dbus_g_object_type_install_info (object_type, info);
dbus_g_connection_register_g_object (connection, path, object);
return object;
}
/*
* PRIVATE register a document interface for the document in the given ActionContext, if none exists.
* Return the DBus path to the interface (something like /org/inkscape/document_0).
* Note that while a DocumentInterface could be used either for a document with no desktop, or a
* document with a desktop, this function is only used for creating interfaces in the former case.
* Desktop-associated DocumentInterfaces are named /org/inkscape/desktop_0, etc.
* FIXME: This state of affairs probably needs tidying up at some point in the future.
*/
static gchar *
dbus_register_document(Inkscape::ActionContext const & target)
{
SPDocument *doc = target.getDocument();
g_assert(doc != NULL);
// Document name is not suitable for DBus name, as it might contain invalid chars
std::string name("/org/inkscape/document_");
std::stringstream ss;
ss << doc->serial();
name.append(ss.str());
DBusGConnection *connection = dbus_get_connection();
DBusGProxy *proxy = dbus_get_proxy(connection);
// Has the document already been registered?
if (!dbus_g_connection_lookup_g_object(connection, name.c_str())) {
// No - register it
DocumentInterface *doc_interface = (DocumentInterface*) dbus_register_object (connection,
proxy,
TYPE_DOCUMENT_INTERFACE,
&dbus_glib_document_interface_object_info,
name.c_str());
// Set the document info for this interface
doc_interface->target = target;
}
return strdup(name.c_str());
}
/* Initialize a Dbus service */
void
init (void)
{
if (instance_bus_name == NULL) {
// Set the bus name to the default
instance_bus_name = strdup("org.inkscape");
}
guint result;
GError *error = NULL;
DBusGConnection *connection;
DBusGProxy *proxy;
connection = dbus_get_connection();
proxy = dbus_get_proxy(connection);
org_freedesktop_DBus_request_name (proxy,
instance_bus_name,
DBUS_NAME_FLAG_DO_NOT_QUEUE, &result, &error);
//create interface for application
dbus_register_object (connection,
proxy,
TYPE_APPLICATION_INTERFACE,
&dbus_glib_application_interface_object_info,
DBUS_APPLICATION_INTERFACE_PATH);
}
gchar *
init_document (void)
{
// This is for command-line use only
g_assert(!INKSCAPE.use_gui());
// Create a blank document and get its selection model etc in an ActionContext
SPDocument *doc = SPDocument::createNewDoc(NULL, 1, TRUE);
INKSCAPE.add_document(doc);
return dbus_register_document(INKSCAPE.action_context_for_document(doc));
}
gchar *
init_active_document()
{
SPDocument *doc = INKSCAPE.active_document();
if (!doc) {
return NULL;
}
return dbus_register_document(INKSCAPE.active_action_context());
}
gchar *
dbus_init_desktop_interface (SPDesktop * dt)
{
DBusGConnection *connection;
DBusGProxy *proxy;
std::string name("/org/inkscape/desktop_");
std::stringstream out;
out << dt->dkey;
name.append(out.str());
//printf("DKEY: %d\n, NUMBER %d\n NAME: %s\n", dt->dkey, dt->number, name.c_str());
connection = dbus_get_connection();
proxy = dbus_get_proxy(connection);
if (!dbus_g_connection_lookup_g_object(connection, name.c_str())) {
DocumentInterface *doc_interface = (DocumentInterface*) dbus_register_object (connection,
proxy,
TYPE_DOCUMENT_INTERFACE,
&dbus_glib_document_interface_object_info,
name.c_str());
// Set the document info for this interface
doc_interface->target = Inkscape::ActionContext(dt);
doc_interface->updates = TRUE;
dt->dbus_document_interface=doc_interface;
}
return strdup(name.c_str());
}
gchar *
init_desktop (void) {
//this function will create a new desktop and call
//dbus_init_desktop_interface.
SPDesktop * dt = sp_file_new_default();
std::string name("/org/inkscape/desktop_");
std::stringstream out;
out << dt->dkey;
name.append(out.str());
return strdup(name.c_str());
}
void
dbus_set_bus_name(gchar const * bus_name)
{
g_assert(bus_name != NULL);
g_assert(instance_bus_name == NULL);
instance_bus_name = strdup(bus_name);
}
gchar *
dbus_get_bus_name()
{
g_assert(instance_bus_name != NULL);
return instance_bus_name;
}
} } } /* namespace Inkscape::Extension::Dbus */
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