[gvfs/wip/rishi/goa] Handle empty parents map

[Debarshi Ray <debarshir src gnome org>]

commit b01ab6c36bbf1f675a8ad9584b8ac72359910bf2
Author: Debarshi Ray <debarshir gnome org>
Date:   Mon Sep 7 16:58:26 2015 +0200

    Handle empty parents map

 daemon/gvfsbackendgoogle.c |   19 ++++++++++++++-----
 1 files changed, 14 insertions(+), 5 deletions(-)
---
diff --git a/daemon/gvfsbackendgoogle.c b/daemon/gvfsbackendgoogle.c
index 1a6006b..5a51ba6 100644
--- a/daemon/gvfsbackendgoogle.c
+++ b/daemon/gvfsbackendgoogle.c
@@ -293,7 +293,8 @@ get_content_type_from_entry (GDataEntry *entry)
 /* ---------------------------------------------------------------------------------------------------- */
 
 static gchar *
-get_parent_id (GDataEntry *entry)
+get_parent_id (GVfsBackendGoogle *self,
+               GDataEntry        *entry)
 {
   GList *l;
   GList *links = NULL;
@@ -325,6 +326,14 @@ get_parent_id (GDataEntry *entry)
         }
     }
 
+  if (ret_val == NULL)
+    {
+      const gchar *root_id;
+
+      root_id = gdata_entry_get_id (self->root);
+      ret_val = g_strdup (root_id);
+    }
+
   g_list_free (links);
   return ret_val;
 }
@@ -348,7 +357,7 @@ get_entry_path (GVfsBackendGoogle *self, GDataEntry *entry)
   path = g_string_new (base_id);
   g_string_prepend_c (path, '/');
 
-  id = get_parent_id (entry);
+  id = get_parent_id (self, entry);
   root_id = gdata_entry_get_id (self->root);
 
   while (id != NULL)
@@ -371,7 +380,7 @@ get_entry_path (GVfsBackendGoogle *self, GDataEntry *entry)
       g_string_prepend_c (path, '/');
 
       g_free (id);
-      id = get_parent_id (parent_entry);
+      id = get_parent_id (self, parent_entry);
     }
 
   ret_val = g_strdup (path->str);
@@ -403,7 +412,7 @@ insert_entry_full (GVfsBackendGoogle *self,
 
   g_hash_table_insert (self->entries, g_strdup (id), g_object_ref (entry));
 
-  parent_id = get_parent_id (entry);
+  parent_id = get_parent_id (self, entry);
   if (parent_id == NULL)
     {
       g_warning ("  insert_entry: Unable to get parent ID for entry %s (title: %s)", id, title);
@@ -482,7 +491,7 @@ remove_entry (GVfsBackendGoogle *self,
 
   g_hash_table_remove (self->entries, id);
 
-  parent_id = get_parent_id (entry);
+  parent_id = get_parent_id (self, entry);
   if (parent_id == NULL)
     {
       g_warning ("  remove_entry: Unable to get parent ID for entry %s (title: %s)", id, title);