[tepl] Metadata: wrap GFile API

[Sébastien Wilmet <swilmet src gnome org>]

commit 5f6d054b9840903532737a69f63303fe4798a86b
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Wed Apr 15 16:38:57 2020 +0200

    Metadata: wrap GFile API

 po/POTFILES.in       |  1 +
 tepl/meson.build     |  2 ++
 tepl/tepl-metadata.c | 75 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 tepl/tepl-metadata.h | 54 +++++++++++++++++++++++++++++++++++++
 4 files changed, 132 insertions(+)
---
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 8dc1422..4434445 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -19,6 +19,7 @@ tepl/tepl-init.c
 tepl/tepl-io-error-info-bars.c
 tepl/tepl-iter.c
 tepl/tepl-menu-shell.c
+tepl/tepl-metadata.c
 tepl/tepl-metadata-store.c
 tepl/tepl-notebook.c
 tepl/tepl-signal-group.c
diff --git a/tepl/meson.build b/tepl/meson.build
index 2d52d70..7df5dbf 100644
--- a/tepl/meson.build
+++ b/tepl/meson.build
@@ -61,6 +61,7 @@ TEPL_PRIVATE_HEADERS = [
   'tepl-file-content.h',
   'tepl-file-content-loader.h',
   'tepl-io-error-info-bar.h',
+  'tepl-metadata.h',
   'tepl-progress-info-bar.h',
   'tepl-signal-group.h',
   'tepl-tab-saving.h'
@@ -73,6 +74,7 @@ tepl_private_c_files = [
   'tepl-file-content.c',
   'tepl-file-content-loader.c',
   'tepl-io-error-info-bar.c',
+  'tepl-metadata.c',
   'tepl-progress-info-bar.c',
   'tepl-signal-group.c',
   'tepl-tab-saving.c'
diff --git a/tepl/tepl-metadata.c b/tepl/tepl-metadata.c
new file mode 100644
index 0000000..fadbadf
--- /dev/null
+++ b/tepl/tepl-metadata.c
@@ -0,0 +1,75 @@
+/*
+ * This file is part of Tepl, a text editor library.
+ *
+ * Copyright 2020 - Sébastien Wilmet <swilmet gnome org>
+ *
+ * Tepl 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.
+ *
+ * Tepl 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 "tepl-metadata.h"
+
+/* Almost a drop-in replacement for, or a wrapping of, the
+ * GFile-metadata-related API (just what we need) to either:
+ * - Call the GFile API in case GVfs metadata is used.
+ * - Use the TeplMetadataStore otherwise. TODO: do it.
+ */
+
+void
+_tepl_metadata_query_info_async (GFile               *location,
+                                gint                 io_priority,
+                                GCancellable        *cancellable,
+                                GAsyncReadyCallback  callback,
+                                gpointer             user_data)
+{
+       g_file_query_info_async (location,
+                                "metadata::*",
+                                G_FILE_QUERY_INFO_NONE,
+                                io_priority,
+                                cancellable,
+                                callback,
+                                user_data);
+}
+
+GFileInfo *
+_tepl_metadata_query_info_finish (GFile         *location,
+                                 GAsyncResult  *result,
+                                 GError       **error)
+{
+       return g_file_query_info_finish (location, result, error);
+}
+
+void
+_tepl_metadata_set_attributes_async (GFile               *location,
+                                    GFileInfo           *info,
+                                    gint                 io_priority,
+                                    GCancellable        *cancellable,
+                                    GAsyncReadyCallback  callback,
+                                    gpointer             user_data)
+{
+       g_file_set_attributes_async (location,
+                                    info,
+                                    G_FILE_QUERY_INFO_NONE,
+                                    io_priority,
+                                    cancellable,
+                                    callback,
+                                    user_data);
+}
+
+gboolean
+_tepl_metadata_set_attributes_finish (GFile         *location,
+                                     GAsyncResult  *result,
+                                     GError       **error)
+{
+       return g_file_set_attributes_finish (location, result, NULL, error);
+}
diff --git a/tepl/tepl-metadata.h b/tepl/tepl-metadata.h
new file mode 100644
index 0000000..58ce8eb
--- /dev/null
+++ b/tepl/tepl-metadata.h
@@ -0,0 +1,54 @@
+/*
+ * This file is part of Tepl, a text editor library.
+ *
+ * Copyright 2020 - Sébastien Wilmet <swilmet gnome org>
+ *
+ * Tepl 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.
+ *
+ * Tepl 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/>.
+ */
+
+#ifndef TEPL_METADATA_H
+#define TEPL_METADATA_H
+
+#include <gio/gio.h>
+
+G_BEGIN_DECLS
+
+G_GNUC_INTERNAL
+void           _tepl_metadata_query_info_async         (GFile               *location,
+                                                        gint                 io_priority,
+                                                        GCancellable        *cancellable,
+                                                        GAsyncReadyCallback  callback,
+                                                        gpointer             user_data);
+
+G_GNUC_INTERNAL
+GFileInfo *    _tepl_metadata_query_info_finish        (GFile         *location,
+                                                        GAsyncResult  *result,
+                                                        GError       **error);
+
+G_GNUC_INTERNAL
+void           _tepl_metadata_set_attributes_async     (GFile               *location,
+                                                        GFileInfo           *info,
+                                                        gint                 io_priority,
+                                                        GCancellable        *cancellable,
+                                                        GAsyncReadyCallback  callback,
+                                                        gpointer             user_data);
+
+G_GNUC_INTERNAL
+gboolean       _tepl_metadata_set_attributes_finish    (GFile         *location,
+                                                        GAsyncResult  *result,
+                                                        GError       **error);
+
+G_END_DECLS
+
+#endif /* TEPL_METADATA_H */