Patch for entity file

gistfile1.txt

diff --git a/file_entity.info b/file_entity.info
index ce95294..35830d9 100644
--- a/file_entity.info
+++ b/file_entity.info
@@ -12,6 +12,7 @@ files[] = views/views_handler_filter_file_type.inc
 files[] = views/views_handler_field_file_link.inc
 files[] = views/views_handler_field_file_link_edit.inc
 files[] = views/views_handler_field_file_link_delete.inc
+files[] = views/views_handler_filter_scehma_type.inc
 files[] = views/views_handler_field_file_link_download.inc
 files[] = views/views_plugin_row_file_view.inc
 files[] = tests/file_entity.test
diff --git a/file_entity.views.inc b/file_entity.views.inc
index b1a556a..fc2b1ed 100644
--- a/file_entity.views.inc
+++ b/file_entity.views.inc
@@ -80,6 +80,15 @@ function file_entity_views_data() {
     ),
   );
 
+    // File schema type.
+    $data['file_managed']['schema_type'] = array(
+      'title' => t('Schema type'),
+      'help' => t('Filter files by private/public schema.'),
+      'filter' => array(
+          'handler' => 'views_handler_filter_scehma_type',
+      ),
+    );
+
   // Download link.
   $data['file_managed']['download'] = array(
     'title' => t('Download link'),
diff --git a/views/views_handler_filter_scehma_type.inc b/views/views_handler_filter_scehma_type.inc
new file mode 100644
index 0000000..74701b8
--- /dev/null
+++ b/views/views_handler_filter_scehma_type.inc
@@ -0,0 +1,47 @@
+<?php
+/**
+ * @file
+ *
+ * Filter by the file schema type.
+ */
+
+class views_handler_filter_scehma_type extends views_handler_filter {
+
+  /**
+   * Set default field name to render.
+   */
+  function option_definition() {
+    $options = parent::option_definition();
+    $options['schema_type'] = array('default' => 'private');
+
+    return $options;
+  }
+
+  /**
+   * Define the file schema type.
+   */
+  public function options_form(&$form, &$form_state) {
+    parent::options_form($form, $form_state);
+
+    // Collect the available schema types.
+    $options = array();
+    foreach (file_get_stream_wrappers() as $type => $info) {
+      $options[$type] = $info['name'];
+    }
+
+    $form['schema_type'] = array(
+      '#type' => 'select',
+      '#title' => t('Schema type'),
+      '#description' => t('Display files by the Schema type.'),
+      '#default_value' => $this->options['schema_type'],
+      '#options' => $options,
+    );
+  }
+
+  /**
+   * Add to the query conditions the file schema type.
+   */
+  function query($group_by = FALSE) {
+    $this->query->add_where($group_by, 'uri', $this->options['schema_type'] . "://%", 'LIKE');
+  }
+}