[shotwell/shotwell-0.26] Fix browsing on gvfs filesystems

[Jens Georg <jensgeorg src gnome org>]

commit d822571fd8529d931c5740b402c18e9ce2962b42
Author: Jens Georg <mail jensge org>
Date:   Sun Apr 2 19:52:30 2017 +0200

    Fix browsing on gvfs filesystems
    
    Signed-off-by: Jens Georg <mail jensge org>
    
    https://bugzilla.gnome.org/show_bug.cgi?id=733652

 src/DirectoryMonitor.vala |   24 +++++++++++++++---------
 1 files changed, 15 insertions(+), 9 deletions(-)
---
diff --git a/src/DirectoryMonitor.vala b/src/DirectoryMonitor.vala
index 50d0048..a37b124 100644
--- a/src/DirectoryMonitor.vala
+++ b/src/DirectoryMonitor.vala
@@ -109,6 +109,10 @@ public class DirectoryMonitor : Object {
             // finish the async operation to get the result
             try {
                 info = source_file.query_info_async.end(aresult);
+                if (get_file_info_id(info) == null) {
+                    info.set_attribute_string(FileAttribute.ID_FILE,
+                                              file.get_uri());
+                }
             } catch (Error err) {
                 this.err = err;
             }
@@ -267,8 +271,10 @@ public class DirectoryMonitor : Object {
                 return null;
             
             string? id = info.get_attribute_string(FileAttribute.ID_FILE);
-            if (id == null)
-                return null;
+            if (id == null) {
+                info.set_attribute_string(FileAttribute.ID_FILE,
+                                          file.get_uri());
+            }
             
             File? normalized = id_map.get(id);
             if (normalized == null)
@@ -874,14 +880,10 @@ public class DirectoryMonitor : Object {
         }
         
         // File ID is required for directory monitoring.  No ID, no ride!
-        // TODO: Replace the warning with notify_discovery_failed() and provide a user-visible
-        // string.
+        // So we just fake it by using the URI
         if (get_file_info_id(local_dir_info) == null) {
-            warning("Unable to retrieve file ID on %s: skipping", dir.get_path());
-            
-            explore_directory_completed(in_discovery);
-            
-            return;
+            local_dir_info.set_attribute_string(FileAttribute.ID_FILE,
+                                                dir.get_uri());
         }
         
         // verify this is a directory
@@ -911,6 +913,10 @@ public class DirectoryMonitor : Object {
                     break;
                 
                 foreach (FileInfo info in infos) {
+                    if (get_file_info_id(info) == null) {
+                        info.set_attribute_string(FileAttribute.ID_FILE,
+                                                  dir.get_uri());
+                    }
                     // we don't deal with hidden files or directories
                     if (info.get_is_hidden()) {
                         warning("Skipping hidden file/directory %s",