Rework object model significantly

Signed-off-by: David Zeuthen <davidz@redhat.com>

1 files changed, 188 insertions, 0 deletions

diff --git a/src/gdbusinterfacestub.c b/src/gdbusinterfacestub.c
new file mode 100644
index 0000000..32f2d20
--- /dev/null
+++ b/src/gdbusinterfacestub.c
@@ -0,0 +1,188 @@
+/* GDBus - GLib D-Bus Library
+ *
+ * Copyright (C) 2008-2010 Red Hat, Inc.
+ *
+ * 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 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., 59 Temple Place, Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Author: David Zeuthen <davidz@redhat.com>
+ */
+
+#include "config.h"
+
+#include "gdbusinterfacestub.h"
+
+/**
+ * SECTION:gdbusinterfacestub
+ * @short_description: Service-side D-Bus interface
+ * @include: gio/gio.h
+ *
+ * Abstract base class for D-Bus interfaces on the service side.
+ */
+
+struct _GDBusInterfaceStubPrivate
+{
+  GDBusObject *object;
+};
+
+static void dbus_interface_interface_init (GDBusInterfaceIface *iface);
+
+G_DEFINE_ABSTRACT_TYPE_WITH_CODE (GDBusInterfaceStub, g_dbus_interface_stub, G_TYPE_OBJECT,
+                                  G_IMPLEMENT_INTERFACE (G_TYPE_DBUS_INTERFACE, dbus_interface_interface_init));
+
+static void
+g_dbus_interface_stub_finalize (GObject *object)
+{
+  GDBusInterfaceStub *stub = G_DBUS_INTERFACE_STUB (object);
+  if (stub->priv->object != NULL)
+    g_object_remove_weak_pointer (G_OBJECT (stub->priv->object), (gpointer *) &stub->priv->object);
+  G_OBJECT_CLASS (g_dbus_interface_stub_parent_class)->finalize (object);
+}
+
+static void
+g_dbus_interface_stub_class_init (GDBusInterfaceStubClass *klass)
+{
+  GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+
+  gobject_class->finalize     = g_dbus_interface_stub_finalize;
+
+  g_type_class_add_private (klass, sizeof (GDBusInterfaceStubPrivate));
+}
+
+static void
+g_dbus_interface_stub_init (GDBusInterfaceStub *stub)
+{
+  stub->priv = G_TYPE_INSTANCE_GET_PRIVATE (stub, G_TYPE_DBUS_INTERFACE_STUB, GDBusInterfaceStubPrivate);
+}
+
+/* ---------------------------------------------------------------------------------------------------- */
+
+/**
+ * g_dbus_interface_stub_get_info:
+ * @stub: A #GDBusInterfaceStub.
+ *
+ * Gets D-Bus introspection information for the D-Bus interface
+ * implemented by @interface.
+ *
+ * Returns: (transfer none): A #GDBusInterfaceInfo (never %NULL). Do not free.
+ */
+GDBusInterfaceInfo *
+g_dbus_interface_stub_get_info (GDBusInterfaceStub *stub)
+{
+  GDBusInterfaceInfo *ret;
+  g_return_val_if_fail (G_IS_DBUS_INTERFACE_STUB (stub), NULL);
+  ret = G_DBUS_INTERFACE_STUB_GET_CLASS (stub)->get_info (stub);
+  g_warn_if_fail (ret != NULL);
+  return ret;
+}
+
+/**
+ * g_dbus_interface_stub_get_properties:
+ * @stub: A #GDBusInterfaceStub.
+ *
+ * Gets all D-Bus properties for @stub.
+ *
+ * Returns: A new, floating, #GVariant. Free with g_variant_unref().
+ */
+GVariant *
+g_dbus_interface_stub_get_properties (GDBusInterfaceStub *stub)
+{
+  GVariant *ret;
+  g_return_val_if_fail (G_IS_DBUS_INTERFACE_STUB (stub), NULL);
+  ret = G_DBUS_INTERFACE_STUB_GET_CLASS (stub)->get_properties (stub);
+  g_warn_if_fail (g_variant_is_floating (ret));
+  return ret;
+}
+
+/**
+ * g_dbus_interface_stub_flush:
+ * @stub: A #GDBusInterfaceStub.
+ *
+ * If @stub has outstanding changes, request for these changes to be
+ * emitted immediately.
+ *
+ * For example, an exported D-Bus interface may queue up property
+ * changes and emit the
+ * <literal>org.freedesktop.DBus.Properties::PropertiesChanged</literal>
+ * signal later (e.g. in an idle handler). This technique is useful
+ * for collapsing multiple property changes into one.
+ */
+void
+g_dbus_interface_stub_flush (GDBusInterfaceStub *stub)
+{
+  g_return_if_fail (G_IS_DBUS_INTERFACE_STUB (stub));
+  G_DBUS_INTERFACE_STUB_GET_CLASS (stub)->flush (stub);
+}
+
+/**
+ * g_dbus_interface_stub_export:
+ * @stub: The D-Bus interface to export.
+ * @connection: A #GDBusConnection to export @stub on.
+ * @object_path: The path to export the interface at.
+ * @error: Return location for error or %NULL.
+ *
+ * Exports @stubs at @object_path on @connection.
+ *
+ * Returns: 0 if @error is set, otherwise a registration id (never 0)
+ *   that can be used with g_dbus_connection_unregister_object().
+ */
+guint
+g_dbus_interface_stub_export (GDBusInterfaceStub  *stub,
+                              GDBusConnection     *connection,
+                              const gchar         *object_path,
+                              GError             **error)
+{
+  g_return_val_if_fail (G_IS_DBUS_INTERFACE_STUB (stub), 0);
+  g_return_val_if_fail (G_IS_DBUS_CONNECTION (connection), 0);
+  g_return_val_if_fail (g_variant_is_object_path (object_path), 0);
+  g_return_val_if_fail (error == NULL || *error == NULL, 0);
+  return G_DBUS_INTERFACE_STUB_GET_CLASS (stub)->export (stub, connection, object_path, error);
+}
+
+/* ---------------------------------------------------------------------------------------------------- */
+
+static GDBusInterfaceInfo *
+_g_dbus_interface_stub_get_info (GDBusInterface *interface)
+{
+  GDBusInterfaceStub *stub = G_DBUS_INTERFACE_STUB (interface);
+  return g_dbus_interface_stub_get_info (stub);
+}
+
+static GDBusObject *
+g_dbus_interface_stub_get_object (GDBusInterface *interface)
+{
+  GDBusInterfaceStub *stub = G_DBUS_INTERFACE_STUB (interface);
+  return stub->priv->object;
+}
+
+static void
+g_dbus_interface_stub_set_object (GDBusInterface *interface,
+                                  GDBusObject    *object)
+{
+  GDBusInterfaceStub *stub = G_DBUS_INTERFACE_STUB (interface);
+  if (stub->priv->object != NULL)
+    g_object_remove_weak_pointer (G_OBJECT (stub->priv->object), (gpointer *) &stub->priv->object);
+  stub->priv->object = object;
+  if (object != NULL)
+    g_object_add_weak_pointer (G_OBJECT (stub->priv->object), (gpointer *) &stub->priv->object);
+}
+
+static void
+dbus_interface_interface_init (GDBusInterfaceIface *iface)
+{
+  iface->get_info = _g_dbus_interface_stub_get_info;
+  iface->get_object  = g_dbus_interface_stub_get_object;
+  iface->set_object  = g_dbus_interface_stub_set_object;
+}