1 files changed, 98 insertions, 0 deletions
diff --git a/libnautilus-extension/nautilus-info-provider.c b/libnautilus-extension/nautilus-info-provider.c
new file mode 100644
index 0000000..5fce655
--- /dev/null
+++ b/libnautilus-extension/nautilus-info-provider.c
@@ -0,0 +1,98 @@
+/*
+ *  nautilus-info-provider.c - Interface for Nautilus extensions that
+ *                             provide info about files.
+ *
+ *  Copyright (C) 2003 Novell, 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>
+ *
+ */
+
+#include "nautilus-info-provider.h"
+
+#include "nautilus-extension-enum-types.h"
+
+G_DEFINE_INTERFACE (NautilusInfoProvider, nautilus_info_provider, G_TYPE_OBJECT)
+
+static void
+nautilus_info_provider_default_init (NautilusInfoProviderInterface *klass)
+{
+}
+
+NautilusOperationResult
+nautilus_info_provider_update_file_info (NautilusInfoProvider     *self,
+                                         NautilusFileInfo         *file,
+                                         GClosure                 *update_complete,
+                                         NautilusOperationHandle **handle)
+{
+    NautilusInfoProviderInterface *iface;
+
+    g_return_val_if_fail (NAUTILUS_IS_INFO_PROVIDER (self),
+                          NAUTILUS_OPERATION_FAILED);
+    g_return_val_if_fail (update_complete != NULL,
+                          NAUTILUS_OPERATION_FAILED);
+    g_return_val_if_fail (handle != NULL, NAUTILUS_OPERATION_FAILED);
+
+    iface = NAUTILUS_INFO_PROVIDER_GET_IFACE (self);
+
+    g_return_val_if_fail (iface->update_file_info != NULL,
+                          NAUTILUS_OPERATION_FAILED);
+
+    return iface->update_file_info (self, file, update_complete, handle);
+}
+
+void
+nautilus_info_provider_cancel_update (NautilusInfoProvider    *self,
+                                      NautilusOperationHandle *handle)
+{
+    NautilusInfoProviderInterface *iface;
+
+    g_return_if_fail (NAUTILUS_IS_INFO_PROVIDER (self));
+    g_return_if_fail (handle != NULL);
+
+    iface = NAUTILUS_INFO_PROVIDER_GET_IFACE (self);
+
+    g_return_if_fail (iface->cancel_update != NULL);
+
+    iface->cancel_update (self, handle);
+}
+
+void
+nautilus_info_provider_update_complete_invoke (GClosure                *update_complete,
+                                               NautilusInfoProvider    *provider,
+                                               NautilusOperationHandle *handle,
+                                               NautilusOperationResult  result)
+{
+    GValue args[3] = { { 0, } };
+    GValue return_val = { 0, };
+
+    g_return_if_fail (update_complete != NULL);
+    g_return_if_fail (NAUTILUS_IS_INFO_PROVIDER (provider));
+
+    g_value_init (&args[0], NAUTILUS_TYPE_INFO_PROVIDER);
+    g_value_init (&args[1], G_TYPE_POINTER);
+    g_value_init (&args[2], NAUTILUS_TYPE_OPERATION_RESULT);
+
+    g_value_set_object (&args[0], provider);
+    g_value_set_pointer (&args[1], handle);
+    g_value_set_enum (&args[2], result);
+
+    g_closure_invoke (update_complete, &return_val, 3, args, NULL);
+
+    g_value_unset (&args[0]);
+    g_value_unset (&args[1]);
+    g_value_unset (&args[2]);
+}