/* 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, write to the Free
 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <gio/gio.h>
#include <glibmm/error.h>
#include <glibmm/exceptionhandler.h>
#include <glibmm/vectorutils.h>
#include <giomm/asyncresult.h>
#include <giomm/dbusconnection.h>
#include <giomm/dbusintrospection.h>
#include <giomm/slot_async.h>

namespace Gio
{

namespace DBus
{

// Help the generate code:
using MapChangedProperties = Proxy::MapChangedProperties;

Proxy::Proxy(const Glib::RefPtr<Connection>& connection, const Glib::ustring& name,
  const Glib::ustring& object_path, const Glib::ustring& interface_name, const SlotAsyncReady& slot,
  const Glib::RefPtr<Cancellable>& cancellable, const Glib::RefPtr<InterfaceInfo>& info,
  ProxyFlags flags)
: _CONSTRUCT("g-connection", Glib::unwrap(connection), "g-flags",
    static_cast<GDBusProxyFlags>(flags), "g-interface-info", Glib::unwrap(info), "g-name",
    Glib::c_str_or_nullptr(name), "g-object-path", Glib::c_str_or_nullptr(object_path),
    "g-interface-name", Glib::c_str_or_nullptr(interface_name))
{
  init_async(slot, cancellable);
}

Proxy::Proxy(const Glib::RefPtr<Connection>& connection, const Glib::ustring& name,
  const Glib::ustring& object_path, const Glib::ustring& interface_name, const SlotAsyncReady& slot,
  const Glib::RefPtr<InterfaceInfo>& info, ProxyFlags flags)
: _CONSTRUCT("g-connection", Glib::unwrap(connection), "g-flags",
    static_cast<GDBusProxyFlags>(flags), "g-interface-info", Glib::unwrap(info), "g-name",
    Glib::c_str_or_nullptr(name), "g-object-path", Glib::c_str_or_nullptr(object_path),
    "g-interface-name", Glib::c_str_or_nullptr(interface_name))
{
  init_async(slot);
}

Proxy::Proxy(const Glib::RefPtr<Connection>& connection, const Glib::ustring& name,
  const Glib::ustring& object_path, const Glib::ustring& interface_name,
  const Glib::RefPtr<Cancellable>& cancellable, const Glib::RefPtr<InterfaceInfo>& info,
  ProxyFlags flags)
: _CONSTRUCT("g-connection", Glib::unwrap(connection), "g-flags",
    static_cast<GDBusProxyFlags>(flags), "g-interface-info", Glib::unwrap(info), "g-name",
    Glib::c_str_or_nullptr(name), "g-object-path", Glib::c_str_or_nullptr(object_path),
    "g-interface-name", Glib::c_str_or_nullptr(interface_name))
{
  init(cancellable);
}

Proxy::Proxy(const Glib::RefPtr<Connection>& connection, const Glib::ustring& name,
  const Glib::ustring& object_path, const Glib::ustring& interface_name,
  const Glib::RefPtr<InterfaceInfo>& info, ProxyFlags flags)
: _CONSTRUCT("g-connection", Glib::unwrap(connection), "g-flags",
    static_cast<GDBusProxyFlags>(flags), "g-interface-info", Glib::unwrap(info), "g-name",
    Glib::c_str_or_nullptr(name), "g-object-path", Glib::c_str_or_nullptr(object_path),
    "g-interface-name", Glib::c_str_or_nullptr(interface_name))
{
  init();
}

Proxy::Proxy(BusType bus_type, const Glib::ustring& name, const Glib::ustring& object_path,
  const Glib::ustring& interface_name, const SlotAsyncReady& slot,
  const Glib::RefPtr<Cancellable>& cancellable, const Glib::RefPtr<InterfaceInfo>& info,
  ProxyFlags flags)
: _CONSTRUCT("g-bus-type", static_cast<GBusType>(bus_type), "g-flags",
    static_cast<GDBusProxyFlags>(flags), "g-interface-info", Glib::unwrap(info), "g-name",
    Glib::c_str_or_nullptr(name), "g-object-path", Glib::c_str_or_nullptr(object_path),
    "g-interface-name", Glib::c_str_or_nullptr(interface_name))
{
  init_async(slot, cancellable);
}

Proxy::Proxy(BusType bus_type, const Glib::ustring& name, const Glib::ustring& object_path,
  const Glib::ustring& interface_name, const SlotAsyncReady& slot,
  const Glib::RefPtr<InterfaceInfo>& info, ProxyFlags flags)
: _CONSTRUCT("g-bus-type", static_cast<GBusType>(bus_type), "g-flags",
    static_cast<GDBusProxyFlags>(flags), "g-interface-info", Glib::unwrap(info), "g-name",
    Glib::c_str_or_nullptr(name), "g-object-path", Glib::c_str_or_nullptr(object_path),
    "g-interface-name", Glib::c_str_or_nullptr(interface_name))
{
  init_async(slot);
}

Proxy::Proxy(BusType bus_type, const Glib::ustring& name, const Glib::ustring& object_path,
  const Glib::ustring& interface_name, const Glib::RefPtr<Cancellable>& cancellable,
  const Glib::RefPtr<InterfaceInfo>& info, ProxyFlags flags)
: _CONSTRUCT("g-bus-type", static_cast<GBusType>(bus_type), "g-flags",
    static_cast<GDBusProxyFlags>(flags), "g-interface-info", Glib::unwrap(info), "g-name",
    Glib::c_str_or_nullptr(name), "g-object-path", Glib::c_str_or_nullptr(object_path),
    "g-interface-name", Glib::c_str_or_nullptr(interface_name))
{
  init(cancellable);
}

Proxy::Proxy(BusType bus_type, const Glib::ustring& name, const Glib::ustring& object_path,
  const Glib::ustring& interface_name, const Glib::RefPtr<InterfaceInfo>& info, ProxyFlags flags)
: _CONSTRUCT("g-bus-type", static_cast<GBusType>(bus_type), "g-flags",
    static_cast<GDBusProxyFlags>(flags), "g-interface-info", Glib::unwrap(info), "g-name",
    Glib::c_str_or_nullptr(name), "g-object-path", Glib::c_str_or_nullptr(object_path),
    "g-interface-name", Glib::c_str_or_nullptr(interface_name))
{
  init();
}

void
Proxy::create(const Glib::RefPtr<Connection>& connection, const Glib::ustring& name,
  const Glib::ustring& object_path, const Glib::ustring& interface_name, const SlotAsyncReady& slot,
  const Glib::RefPtr<Cancellable>& cancellable, const Glib::RefPtr<InterfaceInfo>& info,
  ProxyFlags flags)
{
  Proxy(connection, name, object_path, interface_name, slot, cancellable, info, flags);
}

void
Proxy::create(const Glib::RefPtr<Connection>& connection, const Glib::ustring& name,
  const Glib::ustring& object_path, const Glib::ustring& interface_name, const SlotAsyncReady& slot,
  const Glib::RefPtr<InterfaceInfo>& info, ProxyFlags flags)
{
  Proxy(connection, name, object_path, interface_name, slot, info, flags);
}

Glib::RefPtr<Proxy>
Proxy::create_sync(const Glib::RefPtr<Connection>& connection, const Glib::ustring& name,
  const Glib::ustring& object_path, const Glib::ustring& interface_name,
  const Glib::RefPtr<Cancellable>& cancellable, const Glib::RefPtr<InterfaceInfo>& info,
  ProxyFlags flags)
{
  return Glib::make_refptr_for_instance<Proxy>(
    new Proxy(connection, name, object_path, interface_name, cancellable, info, flags));
}

Glib::RefPtr<Proxy>
Proxy::create_sync(const Glib::RefPtr<Connection>& connection, const Glib::ustring& name,
  const Glib::ustring& object_path, const Glib::ustring& interface_name,
  const Glib::RefPtr<InterfaceInfo>& info, ProxyFlags flags)
{
  return Glib::make_refptr_for_instance<Proxy>(new Proxy(connection, name, object_path, interface_name, info, flags));
}

void
Proxy::create_for_bus(BusType bus_type, const Glib::ustring& name, const Glib::ustring& object_path,
  const Glib::ustring& interface_name, const SlotAsyncReady& slot,
  const Glib::RefPtr<Cancellable>& cancellable, const Glib::RefPtr<InterfaceInfo>& info,
  ProxyFlags flags)
{
  Proxy(bus_type, name, object_path, interface_name, slot, cancellable, info, flags);
}

void
Proxy::create_for_bus(BusType bus_type, const Glib::ustring& name, const Glib::ustring& object_path,
  const Glib::ustring& interface_name, const SlotAsyncReady& slot,
  const Glib::RefPtr<InterfaceInfo>& info, ProxyFlags flags)
{
  Proxy(bus_type, name, object_path, interface_name, slot, info, flags);
}

Glib::RefPtr<Proxy>
Proxy::create_for_bus_sync(BusType bus_type, const Glib::ustring& name,
  const Glib::ustring& object_path, const Glib::ustring& interface_name,
  const Glib::RefPtr<Cancellable>& cancellable, const Glib::RefPtr<InterfaceInfo>& info,
  ProxyFlags flags)
{
  return Glib::make_refptr_for_instance<Proxy>(
    new Proxy(bus_type, name, object_path, interface_name, cancellable, info, flags));
}

Glib::RefPtr<Proxy>
Proxy::create_for_bus_sync(BusType bus_type, const Glib::ustring& name,
  const Glib::ustring& object_path, const Glib::ustring& interface_name,
  const Glib::RefPtr<InterfaceInfo>& info, ProxyFlags flags)
{
  return Glib::make_refptr_for_instance<Proxy>(new Proxy(bus_type, name, object_path, interface_name, info, flags));
}

void
Proxy::get_cached_property(Glib::VariantBase& property, const Glib::ustring& property_name) const
{
  GVariant* const g_variant =
    g_dbus_proxy_get_cached_property(const_cast<GDBusProxy*>(gobj()), property_name.c_str());

  property.init(g_variant, false /* no extra reference needed */);
}

void
Proxy::call(const Glib::ustring& method_name, const SlotAsyncReady& slot,
  const Glib::RefPtr<Cancellable>& cancellable, const Glib::VariantContainerBase& parameters,
  int timeout_msec, CallFlags flags)
{
  // Create a copy of the slot.
  // A pointer to it will be passed through the callback's data parameter
  // and deleted in the callback.
  auto slot_copy = new SlotAsyncReady(slot);

  g_dbus_proxy_call(gobj(), method_name.c_str(), const_cast<GVariant*>(parameters.gobj()),
    static_cast<GDBusCallFlags>(flags), timeout_msec, Glib::unwrap(cancellable),
    &SignalProxy_async_callback, slot_copy);
}

void
Proxy::call(const Glib::ustring& method_name, const SlotAsyncReady& slot,
  const Glib::VariantContainerBase& parameters, int timeout_msec, CallFlags flags)
{
  // Create a copy of the slot.
  // A pointer to it will be passed through the callback's data parameter
  // and deleted in the callback.
  auto slot_copy = new SlotAsyncReady(slot);

  g_dbus_proxy_call(gobj(), method_name.c_str(), const_cast<GVariant*>(parameters.gobj()),
    static_cast<GDBusCallFlags>(flags), timeout_msec, nullptr, &SignalProxy_async_callback,
    slot_copy);
}

Glib::VariantContainerBase
Proxy::call_sync(const Glib::ustring& method_name, const Glib::RefPtr<Cancellable>& cancellable,
  const Glib::VariantContainerBase& parameters, int timeout_msec, CallFlags flags)
{
  GError* g_error = nullptr;

  GVariant* const gvariant =
    g_dbus_proxy_call_sync(gobj(), method_name.c_str(), const_cast<GVariant*>(parameters.gobj()),
      static_cast<GDBusCallFlags>(flags), timeout_msec, Glib::unwrap(cancellable), &g_error);

  if (g_error)
    ::Glib::Error::throw_exception(g_error);

  return Glib::VariantContainerBase(gvariant, false); // Dont' take an extra reference.
}

Glib::VariantContainerBase
Proxy::call_sync(const Glib::ustring& method_name, const Glib::VariantContainerBase& parameters,
  int timeout_msec, CallFlags flags)
{
  GError* g_error = nullptr;

  GVariant* const gvariant =
    g_dbus_proxy_call_sync(gobj(), method_name.c_str(), const_cast<GVariant*>(parameters.gobj()),
      static_cast<GDBusCallFlags>(flags), timeout_msec, nullptr, &g_error);

  if (g_error)
    ::Glib::Error::throw_exception(g_error);

  return Glib::VariantContainerBase(gvariant, false); // Dont' take an extra reference.
}

#ifdef G_OS_UNIX
// With a UnixFDList.
void
Proxy::call(const Glib::ustring& method_name, const Glib::VariantContainerBase& parameters,
  const SlotAsyncReady& slot, const Glib::RefPtr<Cancellable>& cancellable,
  const Glib::RefPtr<UnixFDList>& fd_list, int timeout_msec, CallFlags flags)
{
  // Create a copy of the slot.
  // A pointer to it will be passed through the callback's data parameter
  // and deleted in the callback.
  auto slot_copy = new SlotAsyncReady(slot);

  g_dbus_proxy_call_with_unix_fd_list(gobj(), method_name.c_str(),
    const_cast<GVariant*>(parameters.gobj()), static_cast<GDBusCallFlags>(flags), timeout_msec,
    Glib::unwrap(fd_list), Glib::unwrap(cancellable), &SignalProxy_async_callback, slot_copy);
}

// Non-cancellable version (with a UnixFDList).
void
Proxy::call(const Glib::ustring& method_name, const Glib::VariantContainerBase& parameters,
  const SlotAsyncReady& slot, const Glib::RefPtr<UnixFDList>& fd_list, int timeout_msec,
  CallFlags flags)
{
  // Create a copy of the slot.
  // A pointer to it will be passed through the callback's data parameter
  // and deleted in the callback.
  auto slot_copy = new SlotAsyncReady(slot);

  g_dbus_proxy_call_with_unix_fd_list(gobj(), method_name.c_str(),
    const_cast<GVariant*>(parameters.gobj()), static_cast<GDBusCallFlags>(flags), timeout_msec,
    Glib::unwrap(fd_list), nullptr, &SignalProxy_async_callback, slot_copy);
}
#endif // G_OS_UNIX

} // namespace DBus

} // namespace Gio
