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diff --git a/libnautilus-extension/nautilus-location-widget-provider.h b/libnautilus-extension/nautilus-location-widget-provider.h
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+++ b/libnautilus-extension/nautilus-location-widget-provider.h
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+/*
+ *  nautilus-info-provider.h - Interface for Nautilus extensions that 
+ *                             provide info about files.
+ *
+ *  Copyright (C) 2003 Novell, Inc.
+ *  Copyright (C) 2005 Red Hat, Inc.
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Library 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
+ *  Library General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Library General Public
+ *  License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ * 
+ *  Author:  Dave Camp <dave@ximian.com>
+ *           Alexander Larsson <alexl@redhat.com>
+ *
+ */
+
+/* This interface is implemented by Nautilus extensions that want to 
+ * provide extra location widgets for a particular location.
+ * Extensions are called when Nautilus displays a location.
+ */
+
+#pragma once
+
+#if !defined (NAUTILUS_EXTENSION_H) && !defined (NAUTILUS_COMPILATION)
+#warning "Only <nautilus-extension.h> should be included directly."
+#endif
+
+#include <glib-object.h>
+#include <gtk/gtk.h>
+/* This should be removed at some point. */
+#include "nautilus-extension-types.h"
+
+G_BEGIN_DECLS
+
+#define NAUTILUS_TYPE_LOCATION_WIDGET_PROVIDER (nautilus_location_widget_provider_get_type ())
+
+G_DECLARE_INTERFACE (NautilusLocationWidgetProvider, nautilus_location_widget_provider,
+                     NAUTILUS, LOCATION_WIDGET_PROVIDER,
+                     GObject)
+
+/* For compatibility reasons, remove this once you start introducing breaking changes. */
+typedef NautilusLocationWidgetProviderInterface NautilusLocationWidgetProviderIface;
+
+/**
+ * SECTION:nautilus-location-widget-provider
+ * @title: NautilusLocationWidgetProvider
+ * @short_description: Interface to provide additional location widgets
+ *
+ * #NautilusLocationWidgetProvider allows extension to provide additional location
+ * widgets in the file manager views.
+ */
+
+/**
+ * NautilusLocationWidgetProviderInterface:
+ * @g_iface: The parent interface.
+ * @get_widget: Returns a #GtkWidget.
+ *   See nautilus_location_widget_provider_get_widget() for details.
+ *
+ * Interface for extensions to provide additional location widgets.
+ */
+struct _NautilusLocationWidgetProviderInterface
+{
+    GTypeInterface g_iface;
+
+    GtkWidget *(*get_widget) (NautilusLocationWidgetProvider *provider,
+                              const char                     *uri,
+                              GtkWidget                      *window);
+};
+
+/**
+ * nautilus_location_widget_provider_get_widget:
+ * @provider: a #NautilusLocationWidgetProvider
+ * @uri: the URI of the location
+ * @window: parent #GtkWindow
+ *
+ * Returns: (transfer none): the location widget for @provider at @uri
+ */
+GtkWidget *nautilus_location_widget_provider_get_widget (NautilusLocationWidgetProvider *provider,
+                                                         const char                     *uri,
+                                                         GtkWidget                      *window);
+
+G_END_DECLS