[tepl] Metadata: start to implement query_info_*() for MetadataStore

[Sébastien Wilmet <swilmet src gnome org>]

commit ef4b5f8a1cb7ff8d0663867076606952c7c712c1
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Wed Apr 15 20:47:33 2020 +0200

    Metadata: start to implement query_info_*() for MetadataStore

 tepl/tepl-metadata.c | 36 +++++++++++++++++++++++++++++++++++-
 1 file changed, 35 insertions(+), 1 deletion(-)
---
diff --git a/tepl/tepl-metadata.c b/tepl/tepl-metadata.c
index 4328371..7cced7b 100644
--- a/tepl/tepl-metadata.c
+++ b/tepl/tepl-metadata.c
@@ -19,6 +19,7 @@
 
 #include "config.h"
 #include "tepl-metadata.h"
+#include "tepl-metadata-store.h"
 
 /* Almost a drop-in replacement for, or a wrapping of, the
  * GFile-metadata-related API (just what we need) to either:
@@ -56,6 +57,9 @@ _tepl_metadata_query_info_async (GFile               *location,
                                 GAsyncReadyCallback  callback,
                                 gpointer             user_data)
 {
+       GTask *task;
+       TeplMetadataStore *store;
+
        if (use_gvfs_metadata ())
        {
                g_file_query_info_async (location,
@@ -65,6 +69,32 @@ _tepl_metadata_query_info_async (GFile               *location,
                                         cancellable,
                                         callback,
                                         user_data);
+               return;
+       }
+
+       task = g_task_new (location, cancellable, callback, user_data);
+       g_task_set_priority (task, io_priority);
+
+       store = tepl_metadata_store_get_singleton ();
+
+       /* TODO: check if TeplMetadataStore is activated. */
+
+       if (_tepl_metadata_store_is_loaded (store))
+       {
+               GFileInfo *file_info;
+               GFileInfo *file_info_dup = NULL;
+
+               /* TODO: call g_file_info_dup() in _tepl_metadata_store_get_metadata_for_location()? */
+               file_info = _tepl_metadata_store_get_metadata_for_location (store, location);
+               if (file_info != NULL)
+               {
+                       file_info_dup = g_file_info_dup (file_info);
+                       g_object_unref (file_info);
+               }
+
+               g_task_return_pointer (task, file_info_dup, g_object_unref);
+               g_object_unref (task);
+               return;
        }
 }
 
@@ -78,7 +108,11 @@ _tepl_metadata_query_info_finish (GFile         *location,
                return g_file_query_info_finish (location, result, error);
        }
 
-       return NULL;
+       g_return_val_if_fail (G_IS_FILE (location), NULL);
+       g_return_val_if_fail (error == NULL || *error == NULL, NULL);
+       g_return_val_if_fail (g_task_is_valid (result, location), NULL);
+
+       return g_task_propagate_pointer (G_TASK (result), error);
 }
 
 void