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/* Copyright (C) 2010 The giomm Development Team
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
 */

//#include <giomm/dbusconnection.h>
#include <giomm/dbusmessage.h>
#include <giomm/dbusintrospection.h>
#include <glibmm/object.h>
#include <glibmm/variant.h>

_DEFS(giomm,gio)
_PINCLUDE(glibmm/private/object_p.h)

namespace Glib
{

class GIOMM_API Error;

}

namespace Gio
{

namespace DBus
{

class Connection;

_GMMPROC_EXTRA_NAMESPACE(DBus)

/** An Object for handling remote calls.
 * Instances of the MethodInvocation class are used when handling D-Bus
 * method calls. It provides a way to asynchronously return results and
 * errors.
 *
 * The normal way to obtain a MethodInvocation object is to receive it as
 * an argument to the SlotMethodCall that was passed to
 * Gio::DBus::Connection::register_object().
 *
 * @newin{2,28}
 * @ingroup DBus
 */
class GIOMM_API MethodInvocation : public Glib::Object
{
  _CLASS_GOBJECT(MethodInvocation, GDBusMethodInvocation, G_DBUS_METHOD_INVOCATION, Glib::Object, GObject, , , GIOMM_API)

public:
  _WRAP_METHOD(Glib::ustring get_sender() const, g_dbus_method_invocation_get_sender)
  _WRAP_METHOD(Glib::ustring get_object_path() const, g_dbus_method_invocation_get_object_path)
  _WRAP_METHOD(Glib::ustring get_interface_name() const, g_dbus_method_invocation_get_interface_name)
  _WRAP_METHOD(Glib::ustring get_method_name() const, g_dbus_method_invocation_get_method_name)

#m4 _CONVERSION(`const GDBusMethodInfo*', `Glib::RefPtr<const MethodInfo>', `Glib::wrap(const_cast<GDBusMethodInfo*>($3))')
  // The C API only returns a const GDBusMethodInfo.
  _WRAP_METHOD(Glib::RefPtr<const MethodInfo> get_method_info() const, g_dbus_method_invocation_get_method_info, refreturn)

  _WRAP_METHOD(Glib::RefPtr<Connection> get_connection(), g_dbus_method_invocation_get_connection, refreturn)
  _WRAP_METHOD(Glib::RefPtr<const Connection> get_connection() const, g_dbus_method_invocation_get_connection, refreturn, constversion)

  _WRAP_METHOD(Glib::RefPtr<Message> get_message(), g_dbus_method_invocation_get_message, refreturn)
  _WRAP_METHOD(Glib::RefPtr<const Message> get_message() const, g_dbus_method_invocation_get_message, refreturn, constversion)

  //We assume that this is a tuple (VariantContainerBase).
  //See https://bugzilla.gnome.org/show_bug.cgi?id=646420
  _WRAP_METHOD(Glib::VariantContainerBase get_parameters() const, g_dbus_method_invocation_get_parameters)

  //TODO: Add a return_single_value() method?
  //A return_value(VariantBase) would probably be ambiguous to people
  //even if it isn't ambiguous to the compiler.
  _WRAP_METHOD(void return_value(const Glib::VariantContainerBase& parameters), g_dbus_method_invocation_return_value)

  _WRAP_METHOD(void return_value(const Glib::VariantContainerBase& parameters, const Glib::RefPtr<UnixFDList>& fd_list), g_dbus_method_invocation_return_value_with_unix_fd_list, ifdef G_OS_UNIX)

#m4 _CONVERSION(`const Glib::ustring&', `GQuark', `Glib::QueryQuark($3).id()')
  _WRAP_METHOD(void return_error(const Glib::ustring& domain, int code, const Glib::ustring& message), g_dbus_method_invocation_return_error_literal)

  // This function does not have to be wrapped because it's a convenience C
  // function to avoid having to unreference the error (in C).
  _IGNORE(g_dbus_method_invocation_take_error)

#m4 _CONVERSION(`const Glib::Error&', `const GError*', `$3.gobj()')
  _WRAP_METHOD(void return_error(const Glib::Error& error), g_dbus_method_invocation_return_gerror)

  _WRAP_METHOD(void return_dbus_error(const Glib::ustring& error_name, const Glib::ustring& error_message), g_dbus_method_invocation_return_dbus_error)

  // Ignore vararg methods and ones that don't make sense for C++ API.
  _IGNORE(g_dbus_method_invocation_return_error,
    g_dbus_method_invocation_return_error_valist,
    g_dbus_method_invocation_get_user_data)

};

} //namespace DBus
} // namespace Gio