[gnote] Add directory_get_directories that uses Gio::File

[Aurimas Černius <aurimasc src gnome org>]

commit fcfbe477aafc72cb38ebe78ea1d20c30bd086d5a
Author: Aurimas Černius <aurisc4 gmail com>
Date:   Mon Jul 30 17:35:03 2018 +0300

    Add directory_get_directories that uses Gio::File

 src/sharp/directory.cpp | 25 +++++++++++++++++++++++++
 src/sharp/directory.hpp |  5 ++++-
 2 files changed, 29 insertions(+), 1 deletion(-)
---
diff --git a/src/sharp/directory.cpp b/src/sharp/directory.cpp
index 5300e623..721f5434 100644
--- a/src/sharp/directory.cpp
+++ b/src/sharp/directory.cpp
@@ -28,6 +28,7 @@
 
 #include <glib/gstdio.h>
 #include <glibmm/fileutils.h>
+#include <glibmm/miscutils.h>
 
 #include "sharp/directory.hpp"
 #include "sharp/fileinfo.hpp"
@@ -78,6 +79,30 @@ namespace sharp {
     }
   }
 
+  void directory_get_directories(const Glib::RefPtr<Gio::File> & dir,
+                                 std::vector<Glib::RefPtr<Gio::File>> & files)
+  {
+    if(!dir || !dir->query_exists()) {
+      return;
+    }
+    auto info = dir->query_info();
+    if(!info || info->get_file_type() != Gio::FILE_TYPE_DIRECTORY) {
+      return;
+    }
+
+    auto children = dir->enumerate_children();
+    while(true) {
+      auto fileinfo = children->next_file();
+      if(!fileinfo) {
+        break;
+      }
+      if(fileinfo->get_file_type() & Gio::FILE_TYPE_DIRECTORY) {
+        auto child = Gio::File::create_for_uri(Glib::build_filename(dir->get_uri(), fileinfo->get_name()));
+        files.push_back(child);
+      }
+    }
+  }
+
   void directory_get_files(const Glib::ustring & dir, std::list<Glib::ustring> & files)
   {
     directory_get_files_with_ext(dir, "", files);
diff --git a/src/sharp/directory.hpp b/src/sharp/directory.hpp
index 520af688..ce94356b 100644
--- a/src/sharp/directory.hpp
+++ b/src/sharp/directory.hpp
@@ -1,7 +1,7 @@
 /*
  * gnote
  *
- * Copyright (C) 2012,2017 Aurimas Cernius
+ * Copyright (C) 2012,2017-2018 Aurimas Cernius
  * Copyright (C) 2009 Hubert Figuiere
  * 
  * Permission is hereby granted, free of charge, to any person obtaining a
@@ -30,6 +30,7 @@
 #define __SHARP_DIRECTORY_HPP_
 
 #include <list>
+#include <vector>
 
 #include <giomm/file.h>
 
@@ -46,6 +47,8 @@ namespace sharp {
 
   void directory_get_directories(const Glib::ustring & dir,
                                  std::list<Glib::ustring> & files);
+  void directory_get_directories(const Glib::RefPtr<Gio::File> & dir,
+                                 std::vector<Glib::RefPtr<Gio::File>> & files);
 
   void directory_get_files(const Glib::ustring & dir,
                            std::list<Glib::ustring> & files);