Add GVfsBackendGooglewip/rishi/goa

Based on code written by Thibault Saunier.

https://bugzilla.gnome.org/show_bug.cgi?id=739008

5 files changed, 2987 insertions, 0 deletions

diff --git a/configure.ac b/configure.ac
index 977d93f3..4e3f143d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -401,6 +401,26 @@ AC_SUBST(GOA_CFLAGS)
 
 AM_CONDITIONAL([USE_GOA], [test "$msg_goa" = "yes"])
 
+dnl ****************************************************
+dnl *** Check if we should build with Google backend ***
+dnl ****************************************************
+AC_ARG_ENABLE([google], [AS_HELP_STRING([--disable-google],[build without Google backend])])
+msg_google=no
+
+if test "x$enable_google" != "xno" ; then
+  PKG_CHECK_EXISTS([goa-1.0 >= 3.17.1 libgdata >= 0.17.2], [msg_google=yes])
+
+  if test "x$msg_google" = "xyes"; then
+    PKG_CHECK_MODULES([GOOGLE], [goa-1.0 libgdata])
+    AC_DEFINE([HAVE_GOOGLE], 1, [Define to 1 if Google is going to be built])
+  fi
+fi
+
+AC_SUBST(GOOGLE_LIBS)
+AC_SUBST(GOOGLE_CFLAGS)
+
+AM_CONDITIONAL(USE_GOOGLE, [test "$msg_google" = "yes"])
+
 dnl *************************
 dnl *** Check for gphoto2 ***
 dnl *************************
@@ -908,6 +928,7 @@ echo "
         hotplug backend:              $msg_hotplug_backend
 
 	Blu-ray metadata support:     $msg_bluray
+	Google support:               $msg_google
         HTTP/WebDAV support:          $msg_http
 	Samba support:	              $msg_samba
 	FUSE support:                 $msg_fuse
diff --git a/daemon/Makefile.am b/daemon/Makefile.am
index a970bff6..dbe39165 100644
--- a/daemon/Makefile.am
+++ b/daemon/Makefile.am
@@ -50,6 +50,12 @@ libexec_PROGRAMS=gvfsd gvfsd-sftp gvfsd-trash gvfsd-computer gvfsd-burn gvfsd-lo
 mount_in_files = sftp.mount.in ftp.mount.in ftps.mount.in trash.mount.in computer.mount.in burn.mount.in localtest.mount.in network.mount.in
 mount_DATA =  sftp.mount ftp.mount ftps.mount trash.mount computer.mount burn.mount localtest.mount network.mount
 
+mount_in_files +=google.mount.in
+if USE_GOOGLE
+mount_DATA += google.mount
+libexec_PROGRAMS += gvfsd-google
+endif
+
 mount_in_files +=recent.mount.in
 if USE_GTK
 mount_DATA += recent.mount
@@ -435,6 +441,20 @@ gvfsd_cdda_LDADD = $(libraries) $(CDDA_LIBS) $(HAL_LIBS) \
 		   $(top_builddir)/common/libgvfscommon-hal.la
 endif
 
+gvfsd_google_SOURCES = \
+	gvfsbackendgoogle.c gvfsbackendgoogle.h \
+	daemon-main.c daemon-main.h \
+	daemon-main-generic.c
+
+gvfsd_google_CPPFLAGS = \
+	$(flags) \
+	-DBACKEND_HEADER=gvfsbackendgoogle.h \
+	-DDEFAULT_BACKEND_TYPE=google-drive \
+	-DBACKEND_TYPES='"google-drive", G_VFS_TYPE_BACKEND_GOOGLE,' \
+	$(GOOGLE_CFLAGS)
+
+gvfsd_google_LDADD = $(libraries) $(GOOGLE_LIBS)
+
 gvfsd_gphoto2_SOURCES = \
 	gvfsbackendgphoto2.c gvfsbackendgphoto2.h \
 	daemon-main.c daemon-main.h \
diff --git a/daemon/google.mount.in b/daemon/google.mount.in
new file mode 100644
index 00000000..059b2288
--- /dev/null
+++ b/daemon/google.mount.in
@@ -0,0 +1,4 @@
+[Mount]
+Type=google-drive
+Exec=@libexecdir@/gvfsd-google
+AutoMount=false
diff --git a/daemon/gvfsbackendgoogle.c b/daemon/gvfsbackendgoogle.c
new file mode 100644
index 00000000..7325b81e
--- /dev/null
+++ b/daemon/gvfsbackendgoogle.c
@@ -0,0 +1,2882 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+/* gvfs - extensions for gio
+ *
+ * Copyright (C) 2009 Thibault Saunier
+ * Copyright (C) 2014, 2015 Red Hat, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General
+ * Public License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ * Author: Debarshi Ray <debarshir@gnome.org>
+ *         Thibault Saunier <saunierthibault@gmail.com>
+ */
+
+#include <config.h>
+
+#include <string.h>
+
+#include <glib.h>
+#include <glib/gi18n.h>
+#include <gio/gio.h>
+
+#define GOA_API_IS_SUBJECT_TO_CHANGE
+#include <gdata/gdata.h>
+#include <goa/goa.h>
+
+#include "gvfsbackendgoogle.h"
+#include "gvfsicon.h"
+#include "gvfsjobcloseread.h"
+#include "gvfsjobcopy.h"
+#include "gvfsjobcreatemonitor.h"
+#include "gvfsjobenumerate.h"
+#include "gvfsjobopenforread.h"
+#include "gvfsjobopenforwrite.h"
+#include "gvfsjobread.h"
+#include "gvfsjobseekread.h"
+#include "gvfsjobsetdisplayname.h"
+#include "gvfsjobwrite.h"
+#include "gvfsmonitor.h"
+
+struct _GVfsBackendGoogle
+{
+  GVfsBackend parent;
+  GDataDocumentsService *service;
+  GDataEntry *root;
+  GHashTable *entries;
+  GHashTable *dir_entries;
+  GHashTable *monitors;
+  GList *dir_collisions;
+  GRecMutex mutex;
+  GoaClient *client;
+  gboolean entries_stale;
+  gchar *account_identity;
+  guint entries_stale_timeout;
+};
+
+struct _GVfsBackendGoogleClass
+{
+  GVfsBackendClass parent_class;
+};
+
+G_DEFINE_TYPE(GVfsBackendGoogle, g_vfs_backend_google, G_VFS_TYPE_BACKEND)
+
+/* ---------------------------------------------------------------------------------------------------- */
+
+#define CATEGORY_SCHEMA_KIND "http://schemas.google.com/g/2005#kind"
+#define CATEGORY_SCHEMA_KIND_FILE "http://schemas.google.com/docs/2007#file"
+
+#define CONTENT_TYPE_PREFIX_GOOGLE "application/vnd.google-apps"
+
+#define MAX_RESULTS 50
+
+#define REBUILD_ENTRIES_TIMEOUT 60 /* s */
+
+#define URI_PREFIX "https://www.googleapis.com/drive/v2/files/"
+
+/* ---------------------------------------------------------------------------------------------------- */
+
+typedef struct
+{
+  gchar *title_or_id;
+  gchar *parent_id;
+} DirEntriesKey;
+
+typedef struct
+{
+  GDataEntry *document;
+  GDataUploadStream *stream;
+  gchar *filename;
+} WriteHandle;
+
+static GDataEntry *resolve_dir (GVfsBackendGoogle  *self,
+                                const gchar        *filename,
+                                gchar             **out_basename,
+                                GError            **error);
+
+/* ---------------------------------------------------------------------------------------------------- */
+
+DirEntriesKey *
+dir_entries_key_new (const gchar *title_or_id, const gchar *parent_id)
+{
+  DirEntriesKey *k;
+
+  k = g_slice_new0 (DirEntriesKey);
+  k->title_or_id = g_strdup (title_or_id);
+  k->parent_id = g_strdup (parent_id);
+  return k;
+}
+
+static void
+dir_entries_key_free (gpointer data)
+{
+  DirEntriesKey *k = (DirEntriesKey *) data;
+
+  if (k == NULL)
+    return;
+
+  g_free (k->title_or_id);
+  g_free (k->parent_id);
+  g_slice_free (DirEntriesKey, k);
+}
+
+guint
+entries_in_folder_hash (gconstpointer key)
+{
+  DirEntriesKey *k = (DirEntriesKey *) key;
+  guint hash1;
+  guint hash2;
+
+  hash1 = g_str_hash (k->title_or_id);
+  hash2 = g_str_hash (k->parent_id);
+  return hash1 ^ hash2;
+}
+
+gboolean
+entries_in_folder_equal (gconstpointer a, gconstpointer b)
+{
+  DirEntriesKey *k_a = (DirEntriesKey *) a;
+  DirEntriesKey *k_b = (DirEntriesKey *) b;
+
+  if (g_strcmp0 (k_a->title_or_id, k_b->title_or_id) == 0 &&
+      g_strcmp0 (k_a->parent_id, k_b->parent_id) == 0)
+    return TRUE;
+
+  return FALSE;
+}
+
+/* ---------------------------------------------------------------------------------------------------- */
+
+WriteHandle *
+write_handle_new (GDataEntry *document, GDataUploadStream *stream, const gchar *filename)
+{
+  WriteHandle *handle;
+
+  handle = g_slice_new0 (WriteHandle);
+
+  if (document != NULL)
+    handle->document = g_object_ref (document);
+
+  if (stream != NULL)
+    {
+      handle->stream = g_object_ref (stream);
+      if (handle->document == NULL)
+        handle->document = g_object_ref (gdata_upload_stream_get_entry (stream));
+    }
+
+  handle->filename = g_strdup (filename);
+
+  return handle;
+}
+
+static void
+write_handle_free (gpointer data)
+{
+  WriteHandle *handle = (WriteHandle *) data;
+
+  if (handle == NULL)
+    return;
+
+  g_clear_object (&handle->document);
+  g_clear_object (&handle->stream);
+  g_free (handle->filename);
+  g_slice_free (WriteHandle, handle);
+}
+
+/* ---------------------------------------------------------------------------------------------------- */
+
+static void
+sanitize_error (GError **error)
+{
+  if (g_error_matches (*error, GDATA_SERVICE_ERROR, GDATA_SERVICE_ERROR_AUTHENTICATION_REQUIRED) ||
+      g_error_matches (*error, GDATA_SERVICE_ERROR, GDATA_SERVICE_ERROR_FORBIDDEN))
+    {
+      g_warning ("%s", (*error)->message);
+      g_clear_error (error);
+      g_set_error (error, G_IO_ERROR, G_IO_ERROR_PERMISSION_DENIED, _("Permission denied"));
+    }
+  else if (g_error_matches (*error, GDATA_SERVICE_ERROR, GDATA_SERVICE_ERROR_NOT_FOUND))
+    {
+      g_warning ("%s", (*error)->message);
+      g_clear_error (error);
+      g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND, _("Target object doesn't exist"));
+    }
+}
+
+/* ---------------------------------------------------------------------------------------------------- */
+
+static void
+emit_event_internal (GVfsMonitor       *monitor,
+                     const gchar       *entry_path,
+                     GFileMonitorEvent  event)
+{
+  const gchar *monitored_path;
+  gchar *parent_path;
+
+  if (entry_path == NULL)
+    return;
+
+  monitored_path = g_object_get_data (G_OBJECT (monitor), "g-vfs-backend-google-path");
+  parent_path = g_path_get_dirname (entry_path);
+
+  if (g_strcmp0 (parent_path, monitored_path) == 0)
+    {
+      g_debug ("  emit event %d on parent directory for %s\n", event, entry_path);
+      g_vfs_monitor_emit_event (monitor, event, entry_path, NULL);
+    }
+  else if (g_strcmp0 (entry_path, monitored_path) == 0)
+    {
+      g_debug ("  emit event %d on file %s\n", event, entry_path);
+      g_vfs_monitor_emit_event (monitor, event, entry_path, NULL);
+    }
+
+  g_free (parent_path);
+}
+
+static void
+emit_attribute_changed_event (gpointer monitor,
+                              gpointer unused,
+                              gpointer entry_path)
+{
+  emit_event_internal (G_VFS_MONITOR (monitor), entry_path, G_FILE_MONITOR_EVENT_ATTRIBUTE_CHANGED);
+}
+
+static void
+emit_changed_event (gpointer monitor,
+                    gpointer unused,
+                    gpointer entry_path)
+{
+  emit_event_internal (G_VFS_MONITOR (monitor), entry_path, G_FILE_MONITOR_EVENT_CHANGED);
+}
+
+static void
+emit_changes_done_event (gpointer monitor,
+                         gpointer unused,
+                         gpointer entry_path)
+{
+  emit_event_internal (G_VFS_MONITOR (monitor), entry_path, G_FILE_MONITOR_EVENT_CHANGES_DONE_HINT);
+}
+
+static void
+emit_create_event (gpointer monitor,
+                   gpointer unused,
+                   gpointer entry_path)
+{
+  emit_event_internal (G_VFS_MONITOR (monitor), entry_path, G_FILE_MONITOR_EVENT_CREATED);
+}
+
+static void
+emit_delete_event (gpointer monitor,
+                   gpointer unused,
+                   gpointer entry_path)
+{
+  emit_event_internal (G_VFS_MONITOR (monitor), entry_path, G_FILE_MONITOR_EVENT_DELETED);
+}
+
+/* ---------------------------------------------------------------------------------------------------- */
+
+static gchar *
+get_content_type_from_entry (GDataEntry *entry)
+{
+  GList *categories;
+  GList *l;
+  gchar *ret_val = NULL;
+
+  categories = gdata_entry_get_categories (entry);
+  for (l = categories; l != NULL; l = l->next)
+    {
+      GDataCategory *category = GDATA_CATEGORY (l->data);
+      const gchar *scheme;
+
+      scheme = gdata_category_get_scheme (category);
+      if (g_strcmp0 (scheme, CATEGORY_SCHEMA_KIND) == 0)
+        {
+          ret_val = g_strdup (gdata_category_get_label (category));
+          break;
+        }
+    }
+
+  return ret_val;
+}
+
+/* ---------------------------------------------------------------------------------------------------- */
+
+static gchar *
+get_parent_id (GVfsBackendGoogle *self,
+               GDataEntry        *entry)
+{
+  GList *l;
+  GList *links = NULL;
+  gchar *ret_val = NULL;
+
+  links = gdata_entry_look_up_links (entry, GDATA_LINK_PARENT);
+  for (l = links; l != NULL; l = l->next)
+    {
+      GDataLink *link = GDATA_LINK (l->data);
+      const gchar *uri;
+
+      /* HACK: GDataLink does not have the ID, only the URI. Extract
+       * the ID from the GDataLink:uri by removing the prefix. Ignore
+       * links which don't have the prefix.
+       */
+      uri = gdata_link_get_uri (link);
+      if (g_str_has_prefix (uri, URI_PREFIX))
+        {
+          const gchar *id;
+          gsize uri_prefix_len;
+
+          uri_prefix_len = strlen (URI_PREFIX);
+          id = uri + uri_prefix_len;
+          if (id[0] != '\0')
+            {
+              ret_val = g_strdup (uri + uri_prefix_len);
+              break;
+            }
+        }
+    }
+
+  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;
+}
+
+static gchar *
+get_entry_path (GVfsBackendGoogle *self, GDataEntry *entry)
+{
+  GString *path = NULL;
+  const gchar *base_id;
+  const gchar *root_id;
+  gchar *id = NULL;
+  gchar *ret_val = NULL;
+
+  if (entry == self->root)
+    {
+      ret_val = g_strdup ("/");
+      goto out;
+    }
+
+  base_id = gdata_entry_get_id (entry);
+  path = g_string_new (base_id);
+  g_string_prepend_c (path, '/');
+
+  id = get_parent_id (self, entry);
+  root_id = gdata_entry_get_id (self->root);
+
+  while (id != NULL)
+    {
+      GDataEntry *parent_entry;
+
+      /* The root folder itself has an ID, so path can become
+       * /root/folder1/folder2/file. Instead, we want it to be
+       * /folder1/folder2/file.
+       */
+
+      if (g_strcmp0 (id, root_id) == 0)
+        break;
+
+      parent_entry = g_hash_table_lookup (self->entries, id);
+      if (parent_entry == NULL)
+        goto out;
+
+      g_string_prepend (path, id);
+      g_string_prepend_c (path, '/');
+
+      g_free (id);
+      id = get_parent_id (self, parent_entry);
+    }
+
+  ret_val = g_strdup (path->str);
+
+ out:
+  g_free (id);
+  if (path != NULL)
+    g_string_free (path, TRUE);
+  return ret_val;
+}
+
+/* ---------------------------------------------------------------------------------------------------- */
+
+static gboolean
+insert_entry_full (GVfsBackendGoogle *self,
+                   GDataEntry        *entry,
+                   gboolean           track_dir_collisions)
+{
+  DirEntriesKey *k;
+  GDataEntry *old_entry;
+  gboolean insert_title = TRUE;
+  const gchar *id;
+  const gchar *old_id;
+  const gchar *title;
+  gchar *parent_id;
+
+  id = gdata_entry_get_id (entry);
+  title = gdata_entry_get_title (entry);
+
+  g_hash_table_insert (self->entries, g_strdup (id), g_object_ref (entry));
+
+  parent_id = get_parent_id (self, entry);
+
+  k = dir_entries_key_new (id, parent_id);
+  g_hash_table_insert (self->dir_entries, k, g_object_ref (entry));
+  g_debug ("  insert_entry: Inserted (%s, %s) -> %p\n", id, parent_id, entry);
+
+  k = dir_entries_key_new (title, parent_id);
+  old_entry = g_hash_table_lookup (self->dir_entries, k);
+  if (old_entry != NULL)
+    {
+      old_id = gdata_entry_get_id (old_entry);
+      if (g_strcmp0 (old_id, title) == 0)
+        {
+          insert_title = FALSE;
+        }
+      else
+        {
+          /* If the collision is not due to the title matching the ID
+           * of an earlier GDataEntry, then it is due to duplicate
+           * titles.
+           */
+          if (g_strcmp0 (old_id, id) < 0)
+            insert_title = FALSE;
+        }
+    }
+
+  if (insert_title)
+    {
+      if (old_entry != NULL && track_dir_collisions)
+        {
+          self->dir_collisions = g_list_prepend (self->dir_collisions, g_object_ref (old_entry));
+          g_debug ("  insert_entry: Ejected (%s, %s, %s) -> %p\n", old_id, title, parent_id, old_entry);
+        }
+
+      g_hash_table_insert (self->dir_entries, k, g_object_ref (entry));
+      g_debug ("  insert_entry: Inserted (%s, %s) -> %p\n", title, parent_id, entry);
+    }
+  else
+    {
+      if (track_dir_collisions)
+        {
+          self->dir_collisions = g_list_prepend (self->dir_collisions, g_object_ref (entry));
+          g_debug ("  insert_entry: Skipped (%s, %s, %s) -> %p\n", id, title, parent_id, entry);
+        }
+
+      dir_entries_key_free (k);
+    }
+
+  g_free (parent_id);
+  return insert_title;
+}
+
+static void
+insert_entry (GVfsBackendGoogle *self,
+              GDataEntry        *entry)
+{
+  insert_entry_full (self, entry, TRUE);
+}
+
+static void
+remove_entry (GVfsBackendGoogle *self,
+              GDataEntry        *entry)
+{
+  DirEntriesKey *k;
+  GList *l;
+  const gchar *id;
+  const gchar *title;
+  gchar *parent_id;
+
+  id = gdata_entry_get_id (entry);
+  title = gdata_entry_get_title (entry);
+
+  g_hash_table_remove (self->entries, id);
+
+  parent_id = get_parent_id (self, entry);
+
+  k = dir_entries_key_new (id, parent_id);
+  g_hash_table_remove (self->dir_entries, k);
+  g_debug ("  remove_entry: Removed (%s, %s) -> %p\n", id, parent_id, entry);
+  dir_entries_key_free (k);
+
+  k = dir_entries_key_new (title, parent_id);
+  g_hash_table_remove (self->dir_entries, k);
+  g_debug ("  remove_entry: Removed (%s, %s) -> %p\n", title, parent_id, entry);
+  dir_entries_key_free (k);
+
+  for (l = self->dir_collisions; l != NULL; l = l->next)
+    {
+      GDataEntry *colliding_entry = GDATA_ENTRY (l->data);
+
+      if (insert_entry_full (self, colliding_entry, FALSE))
+        {
+          self->dir_collisions = g_list_remove_link (self->dir_collisions, l);
+          g_debug ("  remove_entry: Restored %p\n", colliding_entry);
+          g_list_free (l);
+          g_object_unref (colliding_entry);
+          break;
+        }
+    }
+
+  g_free (parent_id);
+}
+
+static void
+rebuild_entries (GVfsBackendGoogle  *self,
+                 GCancellable       *cancellable,
+                 GError            **error)
+{
+  GDataDocumentsFeed *feed = NULL;
+  GDataDocumentsQuery *query = NULL;
+  gboolean succeeded_once = FALSE;
+
+  query = gdata_documents_query_new_with_limits (NULL, 1, MAX_RESULTS);
+  gdata_documents_query_set_show_folders (query, TRUE);
+
+  while (TRUE)
+    {
+      GError *local_error;
+      GList *entries;
+      GList *l;
+
+      local_error = NULL;
+      feed = gdata_documents_service_query_documents (self->service, query, cancellable, NULL, NULL, &local_error);
+      if (local_error != NULL)
+        {
+          if (succeeded_once)
+            {
+              g_warning ("Unable to query: %s", local_error->message);
+              g_error_free (local_error);
+            }
+          else
+            {
+              sanitize_error (&local_error);
+              g_propagate_error (error, local_error);
+            }
+
+          break;
+        }
+
+      if (!succeeded_once)
+        {
+          g_hash_table_remove_all (self->entries);
+          g_hash_table_remove_all (self->dir_entries);
+
+          g_list_free_full (self->dir_collisions, g_object_unref);
+          self->dir_collisions = NULL;
+
+          succeeded_once = TRUE;
+        }
+
+      entries = gdata_feed_get_entries (GDATA_FEED (feed));
+      if (entries == NULL)
+        break;
+
+      for (l = entries; l != NULL; l = l->next)
+        {
+          GDataEntry *entry = GDATA_ENTRY (l->data);
+          insert_entry (self, entry);
+        }
+
+      gdata_query_next_page (GDATA_QUERY (query));
+      g_clear_object (&feed);
+    }
+
+  self->entries_stale = FALSE;
+
+  g_clear_object (&feed);
+  g_clear_object (&query);
+}
+
+/* ---------------------------------------------------------------------------------------------------- */
+
+static GDataEntry *
+resolve_child (GVfsBackendGoogle *self,
+               GDataEntry        *parent,
+               const gchar       *basename)
+{
+  DirEntriesKey *k;
+  GDataEntry *entry;
+  const gchar *parent_id;
+
+  parent_id = gdata_entry_get_id (parent);
+  k = dir_entries_key_new (basename, parent_id);
+  entry = g_hash_table_lookup (self->dir_entries, k);
+  dir_entries_key_free (k);
+  return entry;
+}
+
+static GDataEntry *
+resolve (GVfsBackendGoogle  *self,
+         const gchar        *filename,
+         GError            **error)
+{
+  GDataEntry *parent;
+  GDataEntry *ret_val = NULL;
+  GError *local_error;
+  gchar *basename = NULL;
+
+  if (g_strcmp0 (filename, "/") == 0)
+    {
+      ret_val = self->root;
+      goto out;
+    }
+
+  local_error = NULL;
+  parent = resolve_dir (self, filename, &basename, &local_error);
+  if (local_error != NULL)
+    {
+      g_propagate_error (error, local_error);
+      goto out;
+    }
+
+  ret_val = resolve_child (self, parent, basename);
+  if (ret_val == NULL)
+    {
+      g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND, _("No such file or directory"));
+      goto out;
+    }
+
+ out:
+  g_free (basename);
+  return ret_val;
+}
+
+static GDataEntry *
+resolve_dir (GVfsBackendGoogle  *self,
+             const gchar        *filename,
+             gchar             **out_basename,
+             GError            **error)
+{
+  GDataEntry *parent;
+  GDataEntry *ret_val = NULL;
+  GError *local_error;
+  gchar *basename = NULL;
+  gchar *parent_path = NULL;
+
+  basename = g_path_get_basename (filename);
+  parent_path = g_path_get_dirname (filename);
+
+  local_error = NULL;
+  parent = resolve (self, parent_path, &local_error);
+  if (local_error != NULL)
+    {
+      g_propagate_error (error, local_error);
+      goto out;
+    }
+
+  if (!GDATA_IS_DOCUMENTS_FOLDER (parent))
+    {
+      g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_DIRECTORY, _("The file is not a directory"));
+      goto out;
+    }
+
+  if (out_basename != NULL)
+    {
+      *out_basename = basename;
+      basename = NULL;
+    }
+
+  ret_val = parent;
+
+ out:
+  g_free (basename);
+  g_free (parent_path);
+  return ret_val;
+}
+
+/* ---------------------------------------------------------------------------------------------------- */
+
+static GDataEntry *
+resolve_and_rebuild (GVfsBackendGoogle  *self,
+                     const gchar        *filename,
+                     GCancellable       *cancellable,
+                     GError            **error)
+{
+  GDataEntry *entry;
+  GDataEntry *ret_val = NULL;
+
+  entry = resolve (self, filename, NULL);
+  if (entry == NULL)
+    {
+      GError *local_error;
+
+      local_error = NULL;
+      rebuild_entries (self, cancellable, &local_error);
+      if (local_error != NULL)
+        {
+          g_propagate_error (error, local_error);
+          goto out;
+        }
+
+      local_error = NULL;
+      entry = resolve (self, filename, &local_error);
+      if (local_error != NULL)
+        {
+          g_propagate_error (error, local_error);
+          goto out;
+        }
+    }
+
+  ret_val = entry;
+
+ out:
+  return ret_val;
+}
+
+static GDataEntry *
+resolve_dir_and_rebuild (GVfsBackendGoogle  *self,
+                         const gchar        *filename,
+                         GCancellable       *cancellable,
+                         gchar             **out_basename,
+                         GError            **error)
+{
+  GDataEntry *parent;
+  GDataEntry *ret_val = NULL;
+  GError *local_error;
+  gchar *basename;
+
+  local_error = NULL;
+  parent = resolve_dir (self, filename, &basename, &local_error);
+  if (local_error != NULL)
+    {
+      if (g_error_matches (local_error, G_IO_ERROR, G_IO_ERROR_NOT_DIRECTORY))
+        {
+          g_propagate_error (error, local_error);
+          goto out;
+        }
+      else
+        {
+          g_error_free (local_error);
+        }
+
+      local_error = NULL;
+      rebuild_entries (self, cancellable, &local_error);
+      if (local_error != NULL)
+        {
+          g_propagate_error (error, local_error);
+          goto out;
+        }
+
+      local_error = NULL;
+      parent = resolve_dir (self, filename, &basename, &local_error);
+      if (local_error != NULL)
+        {
+          g_propagate_error (error, local_error);
+          goto out;
+        }
+    }
+
+  if (out_basename != NULL)
+    {
+      *out_basename = basename;
+      basename = NULL;
+    }
+
+  ret_val = parent;
+
+ out:
+  g_free (basename);
+  return ret_val;
+}
+
+/* ---------------------------------------------------------------------------------------------------- */
+
+static char *
+get_extension_offset (const char *title)
+{
+  gchar *end;
+  gchar *end2;
+
+  end = strrchr (title, '.');
+
+  if (end != NULL && end != title)
+    {
+      if (g_strcmp0 (end, ".gz") == 0 ||
+          g_strcmp0 (end, ".bz2") == 0 ||
+          g_strcmp0 (end, ".sit") == 0 ||
+          g_strcmp0 (end, ".zip") == 0 ||
+          g_strcmp0 (end, ".Z") == 0)
+        {
+          end2 = end - 1;
+          while (end2 > title && *end2 != '.')
+            end2--;
+
+          if (end2 != title)
+            end = end2;
+        }
+    }
+
+  return end;
+}
+
+static gchar *
+generate_copy_name (GVfsBackendGoogle *self, GDataEntry *entry)
+{
+  GDataEntry *existing_entry;
+  GDataEntry *parent;
+  const gchar *id;
+  const gchar *title;
+  gchar *entry_path = NULL;
+  gchar *extension = NULL;
+  gchar *extension_offset;
+  gchar *ret_val = NULL;
+  gchar *title_without_extension = NULL;
+
+  title = gdata_entry_get_title (entry);
+
+  entry_path = get_entry_path (self, entry);
+  if (entry_path == NULL)
+    goto out;
+
+  parent = resolve_dir (self, entry_path, NULL, NULL);
+  if (parent == NULL)
+    goto out;
+
+  existing_entry = resolve_child (self, parent, title);
+  if (existing_entry == entry)
+    goto out;
+
+  title_without_extension = g_strdup (title);
+  extension_offset = get_extension_offset (title_without_extension);
+  if (extension_offset != NULL && extension_offset != title_without_extension)
+    {
+      extension = g_strdup (extension_offset);
+      *extension_offset = '\0';
+    }
+
+  id = gdata_entry_get_id (entry);
+  ret_val = g_strdup_printf ("%s - %s%s", title_without_extension, id, (extension == NULL) ? "" : extension);
+
+ out:
+  if (ret_val == NULL)
+    ret_val = g_strdup (title);
+  g_free (entry_path);
+  g_free (extension);
+  g_free (title_without_extension);
+  return ret_val;
+}
+
+/* ---------------------------------------------------------------------------------------------------- */
+
+static void
+build_file_info (GVfsBackendGoogle      *self,
+                 GDataEntry             *entry,
+                 GFileQueryInfoFlags     flags,
+                 GFileInfo              *info,
+                 GFileAttributeMatcher  *matcher,
+                 gboolean                is_symlink,
+                 const gchar            *symlink_name,
+                 const gchar            *symlink_target,
+                 GError                **error)
+{
+  GFileType file_type;
+  GList *authors;
+  gboolean is_folder = FALSE;
+  gboolean is_root = FALSE;
+  const gchar *etag;
+  const gchar *id;
+  const gchar *name;
+  const gchar *title;
+  gchar *escaped_name = NULL;
+  gchar *content_type = NULL;
+  gchar *copy_name = NULL;
+  gchar *generated_copy_name = NULL;
+  gint64 atime;
+  gint64 ctime;
+  gint64 mtime;
+  gsize i;
+
+  if (GDATA_IS_DOCUMENTS_FOLDER (entry))
+    is_folder = TRUE;
+
+  if (entry == self->root)
+    is_root = TRUE;
+
+  g_file_info_set_attribute_boolean (info, G_FILE_ATTRIBUTE_ACCESS_CAN_DELETE, !is_root);
+  g_file_info_set_attribute_boolean (info, G_FILE_ATTRIBUTE_ACCESS_CAN_RENAME, !is_root);
+
+  g_file_info_set_attribute_boolean (info, G_FILE_ATTRIBUTE_ACCESS_CAN_EXECUTE, is_folder);
+
+  g_file_info_set_is_symlink (info, is_symlink);
+  g_file_info_set_attribute_boolean (info, G_FILE_ATTRIBUTE_STANDARD_IS_VOLATILE, is_symlink);
+
+  g_file_info_set_attribute_boolean (info, G_FILE_ATTRIBUTE_ACCESS_CAN_TRASH, FALSE);
+
+  if (is_folder)
+    {
+      content_type = g_strdup ("inode/directory");
+      file_type = G_FILE_TYPE_DIRECTORY;
+    }
+  else
+    {
+      content_type = get_content_type_from_entry (entry);
+      file_type = G_FILE_TYPE_REGULAR;
+
+      /* We want native Drive content to open in the browser. */
+      if (content_type != NULL && g_str_has_prefix (content_type, CONTENT_TYPE_PREFIX_GOOGLE))
+        {
+          GDataLink *alternate;
+          const gchar *uri;
+
+          file_type = G_FILE_TYPE_SHORTCUT;
+          alternate = gdata_entry_look_up_link (entry, GDATA_LINK_ALTERNATE);
+          uri = gdata_link_get_uri (alternate);
+          g_file_info_set_attribute_string (info, G_FILE_ATTRIBUTE_STANDARD_TARGET_URI, uri);
+        }
+      else
+        {
+          goffset quota_used;
+
+          quota_used = gdata_documents_entry_get_quota_used (GDATA_DOCUMENTS_ENTRY (entry));
+          g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_STANDARD_SIZE, (guint64) quota_used);
+        }
+    }
+
+  if (is_symlink)
+    {
+      if (flags & G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS)
+        {
+          g_free (content_type);
+          content_type = g_strdup ("inode/symlink");
+          file_type = G_FILE_TYPE_SYMBOLIC_LINK;
+        }
+
+      g_file_info_set_symlink_target (info, symlink_target);
+    }
+
+  if (content_type != NULL)
+    {
+      GIcon *icon;
+      GIcon *symbolic_icon;
+
+      g_file_info_set_content_type (info, content_type);
+      g_file_info_set_attribute_string (info, G_FILE_ATTRIBUTE_STANDARD_FAST_CONTENT_TYPE, content_type);
+
+      if (file_type == G_FILE_TYPE_DIRECTORY)
+        {
+          icon = g_themed_icon_new ("folder");
+          symbolic_icon = g_themed_icon_new ("folder-symbolic");
+        }
+      else
+        {
+          icon = g_content_type_get_icon (content_type);
+          symbolic_icon = g_content_type_get_symbolic_icon (content_type);
+        }
+
+      g_file_info_set_icon (info, icon);
+      g_file_info_set_symbolic_icon (info, symbolic_icon);
+
+      g_object_unref (icon);
+      g_object_unref (symbolic_icon);
+    }
+
+  g_file_info_set_file_type (info, file_type);
+
+  if (is_root)
+    goto out;
+
+  id = gdata_entry_get_id (entry);
+  g_file_info_set_attribute_string (info, G_FILE_ATTRIBUTE_ID_FILE, id);
+
+  if (is_symlink)
+    name = symlink_name;
+  else
+    name = id;
+
+  g_file_info_set_name (info, name);
+
+  title = gdata_entry_get_title (entry);
+  g_file_info_set_display_name (info, title);
+  g_file_info_set_edit_name (info, title);
+
+  generated_copy_name = generate_copy_name (self, entry);
+
+  /* While copying remote Drive content to local storage, we want to
+   * create Link-type desktop files because GLocalFile doesn't know
+   * about shortcuts. That might change in future.
+   */
+  if (file_type == G_FILE_TYPE_SHORTCUT)
+    {
+      copy_name = g_strconcat (generated_copy_name, ".desktop", NULL);
+    }
+  else
+    {
+      copy_name = generated_copy_name;
+      generated_copy_name = NULL;
+    }
+
+  /* Sanitize copy-name by replacing slashes with dashes. This is
+   * what nautilus does (for desktop files).
+   */
+  for (i = 0; copy_name[i] != '\0'; i++)
+    {
+      if (copy_name[i] == '/')
+        copy_name[i] = '-';
+    }
+
+  g_file_info_set_attribute_string (info, G_FILE_ATTRIBUTE_STANDARD_COPY_NAME, copy_name);
+
+  atime = gdata_documents_entry_get_last_viewed (GDATA_DOCUMENTS_ENTRY (entry));
+  g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_TIME_ACCESS, (guint64) atime);
+
+  ctime = gdata_entry_get_published (entry);
+  g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_TIME_CREATED, (guint64) ctime);
+
+  mtime = gdata_entry_get_updated (entry);
+  g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_TIME_MODIFIED, (guint64) mtime);
+
+  authors = gdata_entry_get_authors (entry);
+  if (authors != NULL)
+    {
+      GDataAuthor *author = GDATA_AUTHOR (authors->data);
+      const gchar *author_name;
+      const gchar *email_address;
+
+      author_name = gdata_author_get_name (author);
+      g_file_info_set_attribute_string (info, G_FILE_ATTRIBUTE_OWNER_USER_REAL, author_name);
+
+      email_address = gdata_author_get_email_address (author);
+      g_file_info_set_attribute_string (info, G_FILE_ATTRIBUTE_OWNER_USER, email_address);
+    }
+
+  etag = gdata_entry_get_etag (entry);
+  g_file_info_set_attribute_string (info, G_FILE_ATTRIBUTE_ETAG_VALUE, etag);
+
+  if (!is_folder)
+    {
+      const gchar *thumbnail_uri;
+
+      thumbnail_uri = gdata_documents_document_get_thumbnail_uri (GDATA_DOCUMENTS_DOCUMENT (entry));
+      if (thumbnail_uri != NULL && thumbnail_uri[0] != '\0')
+        {
+          GIcon *preview;
+          GMountSpec *spec;
+
+          spec = g_vfs_backend_get_mount_spec (G_VFS_BACKEND (self));
+          preview = g_vfs_icon_new (spec, thumbnail_uri);
+          g_file_info_set_attribute_object (info, G_FILE_ATTRIBUTE_PREVIEW_ICON, G_OBJECT (preview));
+          g_object_unref (preview);
+        }
+    }
+
+ out:
+  g_free (copy_name);
+  g_free (generated_copy_name);
+  g_free (escaped_name);
+  g_free (content_type);
+}
+
+/* ---------------------------------------------------------------------------------------------------- */
+
+static void
+remove_monitor_weak_ref (gpointer monitor,
+                         gpointer unused,
+                         gpointer monitors)
+{
+  g_object_weak_unref (G_OBJECT (monitor), (GWeakNotify) g_hash_table_remove, monitors);
+}
+
+/* ---------------------------------------------------------------------------------------------------- */
+
+static void
+g_vfs_backend_google_copy (GVfsBackend           *_self,
+                           GVfsJobCopy           *job,
+                           const gchar           *source,
+                           const gchar           *destination,
+                           GFileCopyFlags         flags,
+                           GFileProgressCallback  progress_callback,
+                           gpointer               progress_callback_data)
+{
+  GVfsBackendGoogle *self = G_VFS_BACKEND_GOOGLE (_self);
+  GCancellable *cancellable = G_VFS_JOB (job)->cancellable;
+  GDataDocumentsEntry *dummy_source_entry = NULL;
+  GDataDocumentsEntry *new_entry = NULL;
+  GDataEntry *destination_parent;
+  GDataEntry *existing_entry;
+  GDataEntry *source_entry;
+  GError *error;
+  GType source_entry_type;
+  gboolean needs_rebuild = FALSE;
+  gboolean destination_not_directory = FALSE;
+  const gchar *etag;
+  const gchar *id;
+  const gchar *summary;
+  gchar *destination_basename = NULL;
+  gchar *entry_path = NULL;
+
+  g_rec_mutex_lock (&self->mutex);
+  g_debug ("+ copy: %s -> %s, %d\n", source, destination, flags);
+
+  if (flags & G_FILE_COPY_BACKUP)
+    {
+      /* Return G_IO_ERROR_NOT_SUPPORTED instead of
+       * G_IO_ERROR_CANT_CREATE_BACKUP to proceed with the GIO
+       * fallback copy.
+       */
+      g_vfs_job_failed_literal (G_VFS_JOB (job), G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED, _("Operation unsupported"));
+      goto out;
+    }
+
+  source_entry = resolve (self, source, NULL);
+  if (source_entry == NULL)
+    needs_rebuild = TRUE;
+
+  error = NULL;
+  destination_parent = resolve_dir (self, destination, &destination_basename, &error);
+  if (error != NULL)
+    {
+      if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_NOT_DIRECTORY))
+        destination_not_directory = TRUE;
+      else
+        needs_rebuild = TRUE;
+
+      g_error_free (error);
+    }
+
+  if (needs_rebuild)
+    {
+      error = NULL;
+      rebuild_entries (self, cancellable, &error);
+      if (error != NULL)
+        {
+          g_vfs_job_failed_from_error (G_VFS_JOB (job), error);
+          g_error_free (error);
+          goto out;
+        }
+
+      error = NULL;
+      source_entry = resolve (self, source, &error);
+      if (error != NULL)
+        {
+          g_vfs_job_failed_from_error (G_VFS_JOB (job), error);
+          g_error_free (error);
+          goto out;
+        }
+
+      if (!destination_not_directory)
+        {
+          g_free (destination_basename);
+
+          error = NULL;
+          destination_parent = resolve_dir (self, destination, &destination_basename, &error);
+          if (error != NULL)
+            {
+              g_vfs_job_failed_from_error (G_VFS_JOB (job), error);
+              g_error_free (error);
+              goto out;
+            }
+        }
+    }
+
+  if (destination_not_directory)
+    {
+      g_vfs_job_failed (G_VFS_JOB (job), G_IO_ERROR, G_IO_ERROR_NOT_DIRECTORY, _("The file is not a directory"));
+      goto out;
+    }
+
+  existing_entry = resolve_child (self, destination_parent, destination_basename);
+  if (existing_entry != NULL)
+    {
+      if (flags & G_FILE_COPY_OVERWRITE)
+        {
+          /* We don't support overwrites, so we don't need to care
+           * about G_IO_ERROR_IS_DIRECTORY and G_IO_ERROR_WOULD_MERGE.
+           */
+          g_vfs_job_failed_literal (G_VFS_JOB (job),
+                                    G_IO_ERROR,
+                                    G_IO_ERROR_NOT_SUPPORTED,
+                                    _("Operation unsupported"));
+          goto out;
+        }
+      else
+        {
+          g_vfs_job_failed (G_VFS_JOB (job), G_IO_ERROR, G_IO_ERROR_EXISTS, _("Target file already exists"));
+          goto out;
+        }
+    }
+  else
+    {
+      if (GDATA_IS_DOCUMENTS_FOLDER (source_entry))
+        {
+          g_vfs_job_failed (G_VFS_JOB (job),
+                            G_IO_ERROR,
+                            G_IO_ERROR_WOULD_RECURSE,
+                            _("Can't recursively copy directory"));
+          goto out;
+        }
+    }
+
+  etag = gdata_entry_get_etag (source_entry);
+  id = gdata_entry_get_id (source_entry);
+  summary = gdata_entry_get_summary (source_entry);
+
+  source_entry_type = G_OBJECT_TYPE (source_entry);
+  dummy_source_entry = g_object_new (source_entry_type,
+                                     "etag", etag,
+                                     "id", id,
+                                     "summary", summary,
+                                     "title", destination_basename,
+                                     NULL);
+
+  error = NULL;
+  new_entry = gdata_documents_service_add_entry_to_folder (self->service,
+                                                           dummy_source_entry,
+                                                           GDATA_DOCUMENTS_FOLDER (destination_parent),
+                                                           cancellable,
+                                                           &error);
+  if (error != NULL)
+    {
+      sanitize_error (&error);
+      g_vfs_job_failed_from_error (G_VFS_JOB (job), error);
+      g_error_free (error);
+      goto out;
+    }
+
+  entry_path = get_entry_path (self, GDATA_ENTRY (new_entry));
+  g_debug ("  new entry path: %s\n", entry_path);
+
+  insert_entry (self, GDATA_ENTRY (new_entry));
+  g_hash_table_foreach (self->monitors, emit_create_event, entry_path);
+  g_vfs_job_succeeded (G_VFS_JOB (job));
+
+ out:
+  g_clear_object (&dummy_source_entry);
+  g_clear_object (&new_entry);
+  g_free (destination_basename);
+  g_free (entry_path);
+  g_debug ("- copy\n");
+  g_rec_mutex_unlock (&self->mutex);
+}
+
+/* ---------------------------------------------------------------------------------------------------- */
+
+static gboolean
+g_vfs_backend_google_create_dir_monitor (GVfsBackend          *_self,
+                                         GVfsJobCreateMonitor *job,
+                                         const gchar          *filename,
+                                         GFileMonitorFlags     flags)
+{
+  GVfsBackendGoogle *self = G_VFS_BACKEND_GOOGLE (_self);
+  GCancellable *cancellable = G_VFS_JOB (job)->cancellable;
+  GDataEntry *entry;
+  GError *error;
+  GVfsMonitor *monitor = NULL;
+  gchar *entry_path = NULL;
+
+  g_rec_mutex_lock (&self->mutex);
+  g_debug ("+ create_dir_monitor: %s, %d\n", filename, flags);
+
+  if (flags & G_FILE_MONITOR_SEND_MOVED)
+    {
+      g_vfs_job_failed_literal (G_VFS_JOB (job), G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED, _("Operation unsupported"));
+      goto out;
+    }
+
+  error = NULL;
+  entry = resolve_and_rebuild (self, filename, cancellable, &error);
+  if (error != NULL)
+    {
+      g_vfs_job_failed_from_error (G_VFS_JOB (job), error);
+      g_error_free (error);
+      goto out;
+    }
+
+  entry_path = get_entry_path (self, entry);
+  g_debug ("  entry path: %s\n", entry_path);
+
+  if (!GDATA_IS_DOCUMENTS_FOLDER (entry))
+    {
+      g_vfs_job_failed (G_VFS_JOB (job), G_IO_ERROR, G_IO_ERROR_NOT_DIRECTORY, _("The file is not a directory"));
+      goto out;
+    }
+
+  monitor = g_vfs_monitor_new (_self);
+  g_object_set_data_full (G_OBJECT (monitor), "g-vfs-backend-google-path", g_strdup (entry_path), g_free);
+  g_hash_table_add (self->monitors, monitor);
+  g_object_weak_ref (G_OBJECT (monitor), (GWeakNotify) g_hash_table_remove, self->monitors);
+  g_vfs_job_create_monitor_set_monitor (job, monitor);
+  g_vfs_job_succeeded (G_VFS_JOB (job));
+
+ out:
+  g_clear_object (&monitor);
+  g_free (entry_path);
+  g_debug ("- create_dir_monitor\n");
+  g_rec_mutex_unlock (&self->mutex);
+  return TRUE;
+}
+
+/* ---------------------------------------------------------------------------------------------------- */
+
+static void
+g_vfs_backend_google_delete (GVfsBackend   *_self,
+                             GVfsJobDelete *job,
+                             const gchar   *filename)
+{
+  GVfsBackendGoogle *self = G_VFS_BACKEND_GOOGLE (_self);
+  GCancellable *cancellable = G_VFS_JOB (job)->cancellable;
+  GDataAuthorizationDomain *auth_domain;
+  GDataEntry *entry;
+  GError *error;
+  gchar *entry_path = NULL;
+
+  g_rec_mutex_lock (&self->mutex);
+  g_debug ("+ delete: %s\n", filename);
+
+  error = NULL;
+  entry = resolve_and_rebuild (self, filename, cancellable, &error);
+  if (error != NULL)
+    {
+      g_vfs_job_failed_from_error (G_VFS_JOB (job), error);
+      g_error_free (error);
+      goto out;
+    }
+
+  entry_path = get_entry_path (self, entry);
+  g_debug ("  entry path: %s\n", entry_path);
+
+  if (entry == self->root)
+    {
+      g_vfs_job_failed (G_VFS_JOB (job),
+                        G_IO_ERROR,
+                        G_IO_ERROR_NOT_SUPPORTED,
+                        _("Can not delete the root directory"));
+      goto out;
+    }
+
+  auth_domain = gdata_documents_service_get_primary_authorization_domain ();
+
+  error = NULL;
+  gdata_service_delete_entry (GDATA_SERVICE (self->service), auth_domain, entry, cancellable, &error);
+  if (error != NULL)
+    {
+      sanitize_error (&error);
+      g_vfs_job_failed_from_error (G_VFS_JOB (job), error);
+      g_error_free (error);
+      goto out;
+    }
+
+  remove_entry (self, entry);
+  g_hash_table_foreach (self->monitors, emit_delete_event, entry_path);
+  g_vfs_job_succeeded (G_VFS_JOB (job));
+
+ out:
+  g_free (entry_path);
+  g_debug ("- delete\n");
+  g_rec_mutex_unlock (&self->mutex);
+}
+
+/* ---------------------------------------------------------------------------------------------------- */
+
+static gboolean
+rebuild_entries_timeout_cb (gpointer user_data)
+{
+  GVfsBackendGoogle *self = G_VFS_BACKEND_GOOGLE (user_data);
+
+  self->entries_stale = TRUE;
+  self->entries_stale_timeout = 0;
+
+  return G_SOURCE_REMOVE;
+}
+
+static void
+g_vfs_backend_google_enumerate (GVfsBackend           *_self,
+                                GVfsJobEnumerate      *job,
+                                const gchar           *filename,
+                                GFileAttributeMatcher *matcher,
+                                GFileQueryInfoFlags    flags)
+{
+  GVfsBackendGoogle *self = G_VFS_BACKEND_GOOGLE (_self);
+  GCancellable *cancellable = G_VFS_JOB (job)->cancellable;
+  GDataEntry *entry;
+  GError *error;
+  GHashTableIter iter;
+  gchar *entry_path = NULL;
+
+  g_rec_mutex_lock (&self->mutex);
+  g_debug ("+ enumerate: %s\n", filename);
+
+  if (self->entries_stale_timeout == 0)
+    {
+      self->entries_stale_timeout = g_timeout_add_seconds_full (G_PRIORITY_DEFAULT,
+                                                                REBUILD_ENTRIES_TIMEOUT,
+                                                                rebuild_entries_timeout_cb,
+                                                                g_object_ref (self),
+                                                                g_object_unref);
+    }
+
+  if (self->entries_stale)
+    {
+      error = NULL;
+      rebuild_entries (self, cancellable, &error);
+      if (error != NULL)
+        {
+          g_vfs_job_failed_from_error (G_VFS_JOB (job), error);
+          g_error_free (error);
+          goto out;
+        }
+    }
+
+  error = NULL;
+  entry = resolve (self, filename, &error);
+  if (error != NULL)
+    {
+      g_vfs_job_failed_from_error (G_VFS_JOB (job), error);
+      g_error_free (error);
+      goto out;
+    }
+
+  entry_path = get_entry_path (self, entry);
+  g_debug ("  entry path: %s\n", entry_path);
+
+  if (!GDATA_IS_DOCUMENTS_FOLDER (entry))
+    {
+      g_vfs_job_failed (G_VFS_JOB (job), G_IO_ERROR, G_IO_ERROR_NOT_DIRECTORY,_("The file is not a directory"));
+      goto out;
+    }
+
+  g_vfs_job_succeeded (G_VFS_JOB (job));
+
+  g_hash_table_iter_init (&iter, self->entries);
+  while (g_hash_table_iter_next (&iter, NULL, (gpointer *) &entry))
+    {
+      gchar *path;
+
+      path = get_entry_path (self, entry);
+      g_debug ("  found entry: %s\n", path);
+      if (path != NULL)
+        {
+          gchar *parent_path;
+
+          parent_path = g_path_get_dirname (path);
+          if (g_strcmp0 (entry_path, parent_path) == 0)
+            {
+              GFileInfo *info;
+
+              info = g_file_info_new ();
+              build_file_info (self, entry, flags, info, matcher, FALSE, NULL, NULL, NULL);
+              g_vfs_job_enumerate_add_info (job, info);
+              g_object_unref (info);
+            }
+
+          g_free (parent_path);
+        }
+
+      g_free (path);
+    }
+
+  g_vfs_job_enumerate_done (job);
+
+ out:
+  g_free (entry_path);
+  g_debug ("- enumerate\n");
+  g_rec_mutex_unlock (&self->mutex);
+}
+
+/* ---------------------------------------------------------------------------------------------------- */
+
+static void
+g_vfs_backend_google_make_directory (GVfsBackend          *_self,
+                                     GVfsJobMakeDirectory *job,
+                                     const gchar          *filename)
+{
+  GVfsBackendGoogle *self = G_VFS_BACKEND_GOOGLE (_self);
+  GCancellable *cancellable = G_VFS_JOB (job)->cancellable;
+  GDataDocumentsEntry *new_folder = NULL;
+  GDataDocumentsFolder *folder = NULL;
+  GDataEntry *existing_entry;
+  GDataEntry *parent;
+  GDataEntry *summary_entry;
+  GError *error;
+  const gchar *summary;
+  gchar *entry_path = NULL;
+  gchar *basename = NULL;
+  gchar *parent_path = NULL;
+
+  g_rec_mutex_lock (&self->mutex);
+  g_debug ("+ make_directory: %s\n", filename);
+
+  if (g_strcmp0 (filename, "/") == 0)
+    {
+      g_vfs_job_failed (G_VFS_JOB (job),
+                        G_IO_ERROR,
+                        G_IO_ERROR_NOT_SUPPORTED,
+                        _("Can not create root directory"));
+      goto out;
+    }
+
+  error = NULL;
+  parent = resolve_dir_and_rebuild (self, filename, cancellable, &basename, &error);
+  if (error != NULL)
+    {
+      g_vfs_job_failed_from_error (G_VFS_JOB (job), error);
+      g_error_free (error);
+      goto out;
+    }
+
+  parent_path = get_entry_path (self, parent);
+  g_debug ("  parent path: %s\n", parent_path);
+
+  summary_entry = g_hash_table_lookup (self->entries, basename);
+  if (summary_entry == NULL)
+    summary = NULL;
+  else
+    summary = gdata_entry_get_summary (summary_entry);
+
+  existing_entry = resolve_child (self, parent, basename);
+  if (existing_entry != NULL)
+    {
+      g_vfs_job_failed (G_VFS_JOB (job), G_IO_ERROR, G_IO_ERROR_EXISTS, _("Target file already exists"));
+      goto out;
+    }
+
+  folder = gdata_documents_folder_new (NULL);
+  gdata_entry_set_title (GDATA_ENTRY (folder), basename);
+  gdata_entry_set_summary (GDATA_ENTRY (folder), summary);
+
+  error = NULL;
+  new_folder = gdata_documents_service_add_entry_to_folder (self->service,
+                                                            GDATA_DOCUMENTS_ENTRY (folder),
+                                                            GDATA_DOCUMENTS_FOLDER (parent),
+                                                            cancellable,
+                                                            &error);
+  if (error != NULL)
+    {
+      sanitize_error (&error);
+      g_vfs_job_failed_from_error (G_VFS_JOB (job), error);
+      g_error_free (error);
+      goto out;
+    }
+
+  entry_path = get_entry_path (self, GDATA_ENTRY (new_folder));
+  g_debug ("  new entry path: %s\n", entry_path);
+
+  insert_entry (self, GDATA_ENTRY (new_folder));
+  g_hash_table_foreach (self->monitors, emit_create_event, entry_path);
+  g_vfs_job_succeeded (G_VFS_JOB (job));
+
+ out:
+  g_clear_object (&folder);
+  g_clear_object (&new_folder);
+  g_free (basename);
+  g_free (entry_path);
+  g_free (parent_path);
+  g_debug ("- make_directory\n");
+  g_rec_mutex_unlock (&self->mutex);
+}
+
+/* ---------------------------------------------------------------------------------------------------- */
+
+static void
+g_vfs_backend_google_mount (GVfsBackend  *_self,
+                            GVfsJobMount *job,
+                            GMountSpec   *spec,
+                            GMountSource *source,
+                            gboolean      is_automount)
+{
+  GVfsBackendGoogle *self = G_VFS_BACKEND_GOOGLE (_self);
+  GCancellable *cancellable = G_VFS_JOB (job)->cancellable;
+  GDataAuthorizationDomain *auth_domain;
+  GError *error;
+  GList *accounts = NULL;
+  GList *l;
+  gboolean account_found = FALSE;
+  const gchar *host;
+  const gchar *user;
+
+  g_debug ("+ mount\n");
+
+  error = NULL;
+  self->client = goa_client_new_sync (cancellable, &error);
+  if (error != NULL)
+    {
+      g_vfs_job_failed_from_error (G_VFS_JOB (job), error);
+      g_error_free (error);
+      goto out;
+    }
+
+  host = g_mount_spec_get (spec, "host");
+  user = g_mount_spec_get (spec, "user");
+  self->account_identity = g_strconcat (user, "@", host, NULL);
+
+  accounts = goa_client_get_accounts (self->client);
+  for (l = accounts; l != NULL && !account_found; l = l->next)
+    {
+      GoaAccount *account;
+      GoaObject *object = GOA_OBJECT (l->data);
+      gchar *account_identity;
+      gchar *provider_type;
+
+      account = goa_object_get_account (object);
+      account_identity = goa_account_dup_identity (account);
+      provider_type = goa_account_dup_provider_type (account);
+
+      if (g_strcmp0 (provider_type, "google") == 0 &&
+          g_strcmp0 (account_identity, self->account_identity) == 0)
+        {
+          GDataGoaAuthorizer *authorizer;
+
+          authorizer = gdata_goa_authorizer_new (object);
+          self->service = gdata_documents_service_new (GDATA_AUTHORIZER (authorizer));
+          account_found = TRUE;
+          g_object_unref (authorizer);
+        }
+
+      g_free (provider_type);
+      g_free (account_identity);
+      g_object_unref (account);
+    }
+
+  if (!account_found)
+    {
+      g_vfs_job_failed (G_VFS_JOB (job),
+                        G_IO_ERROR,
+                        G_IO_ERROR_INVALID_ARGUMENT,
+                        _("Failed to find a matching GOA account: %s"),
+                        self->account_identity);
+      goto out;
+    }
+
+  auth_domain = gdata_documents_service_get_primary_authorization_domain ();
+
+  error = NULL;
+  self->root = gdata_service_query_single_entry (GDATA_SERVICE (self->service),
+                                                 auth_domain,
+                                                 "root",
+                                                 NULL,
+                                                 GDATA_TYPE_DOCUMENTS_FOLDER,
+                                                 cancellable,
+                                                 &error);
+  if (error != NULL)
+    {
+      sanitize_error (&error);
+      g_vfs_job_failed_from_error (G_VFS_JOB (job), error);
+      g_error_free (error);
+      goto out;
+    }
+
+  g_vfs_backend_set_mount_spec (_self, spec);
+  g_vfs_backend_set_display_name (_self, self->account_identity);
+  g_vfs_job_succeeded (G_VFS_JOB (job));
+
+ out:
+  g_list_free_full (accounts, g_object_unref);
+  g_debug ("- mount\n");
+}
+
+/* ---------------------------------------------------------------------------------------------------- */
+
+static void
+g_vfs_backend_google_open_icon_for_read (GVfsBackend            *_self,
+                                         GVfsJobOpenIconForRead *job,
+                                         const gchar            *icon_id)
+{
+  GVfsBackendGoogle *self = G_VFS_BACKEND_GOOGLE (_self);
+  GCancellable *cancellable = G_VFS_JOB (job)->cancellable;
+  GDataAuthorizationDomain *auth_domain;
+  GInputStream *stream;
+
+  g_debug ("+ open_icon_for_read: %s\n", icon_id);
+
+  auth_domain = gdata_documents_service_get_primary_authorization_domain ();
+  stream = gdata_download_stream_new (GDATA_SERVICE (self->service), auth_domain, icon_id, cancellable);
+  if (stream == NULL)
+    {
+      g_vfs_job_failed (G_VFS_JOB (job), G_IO_ERROR, G_IO_ERROR_FAILED, _("Failed to initiate download"));
+      goto out;
+    }
+
+  g_vfs_job_open_for_read_set_handle (G_VFS_JOB_OPEN_FOR_READ (job), stream);
+  g_vfs_job_open_for_read_set_can_seek (G_VFS_JOB_OPEN_FOR_READ (job), TRUE);
+  g_vfs_job_succeeded (G_VFS_JOB (job));
+
+ out:
+  g_debug ("- open_icon_for_read\n");
+}
+
+/* ---------------------------------------------------------------------------------------------------- */
+
+static void
+g_vfs_backend_google_push (GVfsBackend           *_self,
+                           GVfsJobPush           *job,
+                           const gchar           *destination,
+                           const gchar           *local_path,
+                           GFileCopyFlags         flags,
+                           gboolean               remove_source,
+                           GFileProgressCallback  progress_callback,
+                           gpointer               progress_callback_data)
+{
+  GVfsBackendGoogle *self = G_VFS_BACKEND_GOOGLE (_self);
+  GCancellable *cancellable = G_VFS_JOB (job)->cancellable;
+  GDataDocumentsDocument *document = NULL;
+  GDataDocumentsDocument *new_document = NULL;
+  GDataEntry *destination_parent;
+  GDataEntry *existing_entry;
+  GDataUploadStream *ostream = NULL;
+  GError *error;
+  GFile *local_file = NULL;
+  GFileInputStream *istream = NULL;
+  GFileInfo *info = NULL;
+  gboolean needs_overwrite = FALSE;
+  const gchar *content_type;
+  const gchar *title;
+  gchar *destination_basename = NULL;
+  gchar *entry_path = NULL;
+
+  g_rec_mutex_lock (&self->mutex);
+  g_debug ("+ push: %s -> %s, %d\n", local_path, destination, flags);
+
+  if (flags & G_FILE_COPY_BACKUP)
+    {
+      /* Return G_IO_ERROR_NOT_SUPPORTED instead of
+       * G_IO_ERROR_CANT_CREATE_BACKUP to proceed with the GIO
+       * fallback copy.
+       */
+      g_vfs_job_failed_literal (G_VFS_JOB (job), G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED, _("Operation unsupported"));
+      goto out;
+    }
+
+  local_file = g_file_new_for_path (local_path);
+
+  error = NULL;
+  info = g_file_query_info (local_file,
+                            G_FILE_ATTRIBUTE_STANDARD_CONTENT_TYPE","
+                            G_FILE_ATTRIBUTE_STANDARD_DISPLAY_NAME","
+                            G_FILE_ATTRIBUTE_STANDARD_TYPE,
+                            G_FILE_QUERY_INFO_NONE,
+                            cancellable,
+                            &error);
+  if (error != NULL)
+    {
+      g_vfs_job_failed_from_error (G_VFS_JOB (job), error);
+      g_error_free (error);
+      goto out;
+    }
+
+  error = NULL;
+  destination_parent = resolve_dir_and_rebuild (self, destination, cancellable, &destination_basename, &error);
+  if (error != NULL)
+    {
+      g_vfs_job_failed_from_error (G_VFS_JOB (job), error);
+      g_error_free (error);
+      goto out;
+    }
+
+  existing_entry = resolve_child (self, destination_parent, destination_basename);
+  if (existing_entry != NULL)
+    {
+      if (flags & G_FILE_COPY_OVERWRITE)
+        {
+          if (GDATA_IS_DOCUMENTS_FOLDER (existing_entry))
+            {
+              if (g_file_info_get_file_type (info) == G_FILE_TYPE_DIRECTORY)
+                {
+                  g_vfs_job_failed (G_VFS_JOB (job),
+                                    G_IO_ERROR,
+                                    G_IO_ERROR_WOULD_MERGE,
+                                    _("Can't copy directory over directory"));
+                  goto out;
+                }
+              else
+                {
+                  g_vfs_job_failed (G_VFS_JOB (job),
+                                    G_IO_ERROR,
+                                    G_IO_ERROR_IS_DIRECTORY,
+                                    _("Can't copy file over directory"));
+                  goto out;
+                }
+            }
+          else
+            {
+              if (g_file_info_get_file_type (info) == G_FILE_TYPE_DIRECTORY)
+                {
+                  g_vfs_job_failed (G_VFS_JOB (job),
+                                    G_IO_ERROR,
+                                    G_IO_ERROR_WOULD_RECURSE,
+                                    _("Can't recursively copy directory"));
+                  goto out;
+                }
+            }
+
+          needs_overwrite = TRUE;
+        }
+      else
+        {
+          g_vfs_job_failed (G_VFS_JOB (job), G_IO_ERROR, G_IO_ERROR_EXISTS, _("Target file already exists"));
+          goto out;
+        }
+    }
+  else
+    {
+      if (g_file_info_get_file_type (info) == G_FILE_TYPE_DIRECTORY)
+        {
+          g_vfs_job_failed (G_VFS_JOB (job),
+                            G_IO_ERROR,
+                            G_IO_ERROR_WOULD_RECURSE,
+                            _("Can't recursively copy directory"));
+          goto out;
+        }
+    }
+
+  g_debug ("  will overwrite: %d\n", needs_overwrite);
+
+  error = NULL;
+  istream = g_file_read (local_file, cancellable, &error);
+  if (error != NULL)
+    {
+      g_vfs_job_failed_from_error (G_VFS_JOB (job), error);
+      g_error_free (error);
+      goto out;
+    }
+
+  content_type = g_file_info_get_content_type (info);
+
+  if (needs_overwrite)
+    {
+      document = g_object_ref (existing_entry);
+      title = gdata_entry_get_title (existing_entry);
+
+      error = NULL;
+      ostream = gdata_documents_service_update_document (self->service,
+                                                         document,
+                                                         title,
+                                                         content_type,
+                                                         cancellable,
+                                                         &error);
+    }
+  else
+    {
+      document = gdata_documents_document_new (NULL);
+      title = destination_basename;
+      gdata_entry_set_title (GDATA_ENTRY (document), title);
+
+      error = NULL;
+      ostream = gdata_documents_service_upload_document (self->service,
+                                                         document,
+                                                         title,
+                                                         content_type,
+                                                         GDATA_DOCUMENTS_FOLDER (destination_parent),
+                                                         cancellable,
+                                                         &error);
+    }
+
+  if (error != NULL)
+    {
+      sanitize_error (&error);
+      g_vfs_job_failed_from_error (G_VFS_JOB (job), error);
+      g_error_free (error);
+      goto out;
+    }
+
+  error = NULL;
+  g_output_stream_splice (G_OUTPUT_STREAM (ostream),
+                          G_INPUT_STREAM (istream),
+                          G_OUTPUT_STREAM_SPLICE_CLOSE_SOURCE | G_OUTPUT_STREAM_SPLICE_CLOSE_TARGET,
+                          cancellable,
+                          &error);
+  if (error != NULL)
+    {
+      g_vfs_job_failed_from_error (G_VFS_JOB (job), error);
+      g_error_free (error);
+      goto out;
+    }
+
+  error = NULL;
+  new_document = gdata_documents_service_finish_upload (self->service, ostream, &error);
+  if (error != NULL)
+    {
+      sanitize_error (&error);
+      g_vfs_job_failed_from_error (G_VFS_JOB (job), error);
+      g_error_free (error);
+      goto out;
+    }
+
+  entry_path = get_entry_path (self, GDATA_ENTRY (new_document));
+  g_debug ("  new entry path: %s\n", entry_path);
+
+  if (needs_overwrite)
+    remove_entry (self, existing_entry);
+
+  insert_entry (self, GDATA_ENTRY (new_document));
+  g_hash_table_foreach (self->monitors, emit_create_event, entry_path);
+
+  if (remove_source)
+    {
+      error = NULL;
+      g_file_delete (local_file, cancellable, &error);
+      if (error != NULL)
+        {
+          g_vfs_job_failed_from_error (G_VFS_JOB (job), error);
+          g_error_free (error);
+          goto out;
+        }
+    }
+
+  g_vfs_job_succeeded (G_VFS_JOB (job));
+
+ out:
+  g_clear_object (&document);
+  g_clear_object (&info);
+  g_clear_object (&istream);
+  g_clear_object (&local_file);
+  g_clear_object (&new_document);
+  g_clear_object (&ostream);
+  g_free (destination_basename);
+  g_free (entry_path);
+  g_debug ("- push\n");
+  g_rec_mutex_unlock (&self->mutex);
+}
+
+/* ---------------------------------------------------------------------------------------------------- */
+
+static gboolean
+g_vfs_backend_google_query_fs_info (GVfsBackend           *_self,
+                                    GVfsJobQueryFsInfo    *job,
+                                    const gchar           *filename,
+                                    GFileInfo             *info,
+                                    GFileAttributeMatcher *matcher)
+{
+  GMountSpec *spec;
+  const gchar *type;
+
+  g_debug ("+ query_fs_info: %s\n", filename);
+
+  g_file_info_set_attribute_boolean (info, G_FILE_ATTRIBUTE_FILESYSTEM_READONLY, FALSE);
+
+  spec = g_vfs_backend_get_mount_spec (_self);
+  type = g_mount_spec_get_type (spec);
+  g_file_info_set_attribute_string (info, G_FILE_ATTRIBUTE_FILESYSTEM_TYPE, type);
+
+  g_vfs_job_succeeded (G_VFS_JOB (job));
+
+  g_debug ("- query_fs_info\n");
+  return TRUE;
+}
+
+/* ---------------------------------------------------------------------------------------------------- */
+
+static void
+g_vfs_backend_google_query_info (GVfsBackend           *_self,
+                                 GVfsJobQueryInfo      *job,
+                                 const gchar           *filename,
+                                 GFileQueryInfoFlags    flags,
+                                 GFileInfo             *info,
+                                 GFileAttributeMatcher *matcher)
+{
+  GVfsBackendGoogle *self = G_VFS_BACKEND_GOOGLE (_self);
+  GCancellable *cancellable = G_VFS_JOB (job)->cancellable;
+  GDataEntry *entry;
+  GError *error;
+  gboolean is_symlink = FALSE;
+  gchar *entry_path = NULL;
+  gchar *symlink_name = NULL;
+
+  g_rec_mutex_lock (&self->mutex);
+  g_debug ("+ query_info: %s, %d\n", filename, flags);
+
+  error = NULL;
+  entry = resolve_and_rebuild (self, filename, cancellable, &error);
+  if (error != NULL)
+    {
+      g_vfs_job_failed_from_error (G_VFS_JOB (job), error);
+      g_error_free (error);
+      goto out;
+    }
+
+  entry_path = get_entry_path (self, entry);
+  if (g_strcmp0 (entry_path, filename) != 0) /* volatile */
+    {
+      is_symlink = TRUE;
+      symlink_name = g_path_get_basename (filename);
+    }
+
+  g_debug ("  entry path: %s (%d)\n", entry_path, is_symlink);
+
+  error = NULL;
+  build_file_info (self, entry, flags, info, matcher, is_symlink, symlink_name, entry_path, &error);
+  if (error != NULL)
+    {
+      g_vfs_job_failed_from_error (G_VFS_JOB (job), error);
+      g_error_free (error);
+      goto out;
+    }
+
+  g_vfs_job_succeeded (G_VFS_JOB (job));
+
+ out:
+  g_free (entry_path);
+  g_free (symlink_name);
+  g_debug ("- query_info\n");
+  g_rec_mutex_unlock (&self->mutex);
+}
+
+/* ---------------------------------------------------------------------------------------------------- */
+
+static void
+g_vfs_backend_google_query_info_on_read (GVfsBackend           *_self,
+                                         GVfsJobQueryInfoRead  *job,
+                                         GVfsBackendHandle      handle,
+                                         GFileInfo             *info,
+                                         GFileAttributeMatcher *matcher)
+{
+  GVfsBackendGoogle *self = G_VFS_BACKEND_GOOGLE (_self);
+  GDataEntry *entry;
+  GError *error;
+  GInputStream *stream = G_INPUT_STREAM (handle);
+  gboolean is_symlink = FALSE;
+  const gchar *filename;
+  gchar *entry_path = NULL;
+  gchar *symlink_name = NULL;
+
+  g_debug ("+ query_info_on_read: %p\n", handle);
+
+  entry = g_object_get_data (G_OBJECT (stream), "g-vfs-backend-google-entry");
+  filename = g_object_get_data (G_OBJECT (stream), "g-vfs-backend-google-filename");
+
+  entry_path = get_entry_path (self, entry);
+  if (g_strcmp0 (entry_path, filename) != 0) /* volatile */
+    {
+      is_symlink = TRUE;
+      symlink_name = g_path_get_basename (filename);
+    }
+
+  g_debug ("  entry path: %s (%d)\n", entry_path, is_symlink);
+
+  error = NULL;
+  build_file_info (self,
+                   entry,
+                   G_FILE_QUERY_INFO_NONE,
+                   info,
+                   matcher,
+                   is_symlink,
+                   symlink_name,
+                   entry_path,
+                   &error);
+  if (error != NULL)
+    {
+      g_vfs_job_failed_from_error (G_VFS_JOB (job), error);
+      g_error_free (error);
+      goto out;
+    }
+
+  g_vfs_job_succeeded (G_VFS_JOB (job));
+
+ out:
+  g_free (entry_path);
+  g_free (symlink_name);
+  g_debug ("- query_info_on_read\n");
+}
+
+/* ---------------------------------------------------------------------------------------------------- */
+
+static gboolean
+g_vfs_backend_google_query_info_on_write (GVfsBackend           *_self,
+                                          GVfsJobQueryInfoWrite *job,
+                                          GVfsBackendHandle      handle,
+                                          GFileInfo             *info,
+                                          GFileAttributeMatcher *matcher)
+{
+  GVfsBackendGoogle *self = G_VFS_BACKEND_GOOGLE (_self);
+  GError *error;
+  WriteHandle *wh = (WriteHandle *) handle;
+  gboolean is_symlink = FALSE;
+  gchar *entry_path = NULL;
+  gchar *symlink_name = NULL;
+
+  g_debug ("+ query_info_on_write: %p\n", handle);
+
+  entry_path = get_entry_path (self, wh->document);
+  if (g_strcmp0 (entry_path, wh->filename) != 0) /* volatile */
+    {
+      is_symlink = TRUE;
+      symlink_name = g_path_get_basename (wh->filename);
+    }
+
+  g_debug ("  entry path: %s (%d)\n", entry_path, is_symlink);
+
+  error = NULL;
+  build_file_info (self,
+                   wh->document,
+                   G_FILE_QUERY_INFO_NONE,
+                   info,
+                   matcher,
+                   is_symlink,
+                   symlink_name,
+                   entry_path,
+                   &error);
+  if (error != NULL)
+    {
+      g_vfs_job_failed_from_error (G_VFS_JOB (job), error);
+      g_error_free (error);
+      goto out;
+    }
+
+  g_vfs_job_succeeded (G_VFS_JOB (job));
+
+ out:
+  g_free (entry_path);
+  g_free (symlink_name);
+  g_debug ("- query_info_on_write\n");
+  return TRUE;
+}
+
+/* ---------------------------------------------------------------------------------------------------- */
+
+static void
+g_vfs_backend_google_open_for_read (GVfsBackend        *_self,
+                                    GVfsJobOpenForRead *job,
+                                    const gchar        *filename)
+{
+  GVfsBackendGoogle *self = G_VFS_BACKEND_GOOGLE (_self);
+  GCancellable *cancellable = G_VFS_JOB (job)->cancellable;
+  GDataEntry *entry;
+  GInputStream *stream;
+  GError *error;
+  gchar *content_type = NULL;
+  gchar *entry_path = NULL;
+
+  g_rec_mutex_lock (&self->mutex);
+  g_debug ("+ open_for_read: %s\n", filename);
+
+  error = NULL;
+  entry = resolve_and_rebuild (self, filename, cancellable, &error);
+  if (error != NULL)
+    {
+      g_vfs_job_failed_from_error (G_VFS_JOB (job), error);
+      g_error_free (error);
+      goto out;
+    }
+
+  entry_path = get_entry_path (self, entry);
+  g_debug ("  entry path: %s\n", entry_path);
+
+  if (GDATA_IS_DOCUMENTS_FOLDER (entry))
+    {
+      g_vfs_job_failed (G_VFS_JOB (job), G_IO_ERROR, G_IO_ERROR_IS_DIRECTORY, _("Can't open directory"));
+      goto out;
+    }
+
+  content_type = get_content_type_from_entry (entry);
+  if (content_type == NULL)
+    {
+      g_vfs_job_failed (G_VFS_JOB (job), G_IO_ERROR, G_IO_ERROR_FAILED, _("Unknown content type"));
+      goto out;
+    }
+
+  /* While copying remote Drive content to local storage, we want to
+   * create Link-type desktop files because GLocalFile doesn't know
+   * about shortcuts. That might change in future.
+   */
+  if (g_str_has_prefix (content_type, CONTENT_TYPE_PREFIX_GOOGLE))
+    {
+      GDataLink *alternate;
+      GKeyFile *file;
+      const gchar *title;
+      const gchar *uri;
+      gchar *data;
+      gsize length;
+
+      file = g_key_file_new ();
+
+      title = gdata_entry_get_title (entry);
+      g_key_file_set_string (file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_NAME, title);
+      g_key_file_set_string (file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_TYPE, "Link");
+
+      alternate = gdata_entry_look_up_link (entry, GDATA_LINK_ALTERNATE);
+      uri = gdata_link_get_uri (alternate);
+      g_key_file_set_string (file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_URL, uri);
+
+      data = g_key_file_to_data (file, &length, NULL);
+      stream = g_memory_input_stream_new_from_data (data, (gssize) length, g_free);
+
+      g_key_file_free (file);
+    }
+  else
+    {
+      GDataAuthorizationDomain *auth_domain;
+      const gchar *uri;
+
+      auth_domain = gdata_documents_service_get_primary_authorization_domain ();
+      uri = gdata_entry_get_content_uri (entry);
+      stream = gdata_download_stream_new (GDATA_SERVICE (self->service), auth_domain, uri, cancellable);
+      if (stream == NULL)
+        {
+          g_vfs_job_failed (G_VFS_JOB (job), G_IO_ERROR, G_IO_ERROR_FAILED, _("Failed to initiate download"));
+          goto out;
+        }
+    }
+
+  g_object_set_data_full (G_OBJECT (stream), "g-vfs-backend-google-entry", g_object_ref (entry), g_object_unref);
+  g_object_set_data_full (G_OBJECT (stream), "g-vfs-backend-google-filename", g_strdup (filename), g_free);
+  g_vfs_job_open_for_read_set_handle (job, stream);
+  g_vfs_job_open_for_read_set_can_seek (job, TRUE);
+  g_vfs_job_succeeded (G_VFS_JOB (job));
+
+ out:
+  g_free (content_type);
+  g_free (entry_path);
+  g_debug ("- open_for_read\n");
+  g_rec_mutex_unlock (&self->mutex);
+}
+
+/* ---------------------------------------------------------------------------------------------------- */
+
+static void
+read_cb (GObject      *source_object,
+         GAsyncResult *res,
+         gpointer      user_data)
+{
+  GError *error = NULL;
+  GInputStream *stream = G_INPUT_STREAM (source_object);
+  GVfsJobRead *job = G_VFS_JOB_READ (user_data);
+  gssize nread;
+
+  nread = g_input_stream_read_finish (stream, res, &error);
+  if (error != NULL)
+    {
+      g_vfs_job_failed_from_error (G_VFS_JOB (job), error);
+      g_error_free (error);
+      goto out;
+    }
+
+  g_vfs_job_read_set_size (job, (gsize) nread);
+  g_vfs_job_succeeded (G_VFS_JOB (job));
+
+ out:
+  g_debug ("- read\n");
+}
+
+static gboolean
+g_vfs_backend_google_read (GVfsBackend       *_self,
+                           GVfsJobRead       *job,
+                           GVfsBackendHandle  handle,
+                           gchar             *buffer,
+                           gsize              bytes_requested)
+{
+  GCancellable *cancellable = G_VFS_JOB (job)->cancellable;
+  GInputStream *stream = G_INPUT_STREAM (handle);
+
+  g_debug ("+ read: %p\n", handle);
+  g_input_stream_read_async (stream, buffer, bytes_requested, G_PRIORITY_DEFAULT, cancellable, read_cb, job);
+  return TRUE;
+}
+
+/* ---------------------------------------------------------------------------------------------------- */
+
+static void
+g_vfs_backend_google_seek_on_read (GVfsBackend       *_self,
+                                   GVfsJobSeekRead   *job,
+                                   GVfsBackendHandle  handle,
+                                   goffset            offset,
+                                   GSeekType          type)
+{
+  GCancellable *cancellable = G_VFS_JOB (job)->cancellable;
+  GError *error;
+  GInputStream *stream = G_INPUT_STREAM (handle);
+  goffset cur_offset;
+
+  g_debug ("+ seek_on_read: %p\n", handle);
+
+  error = NULL;
+  g_seekable_seek (G_SEEKABLE (stream), offset, type, cancellable, &error);
+  if (error != NULL)
+    {
+      g_vfs_job_failed_from_error (G_VFS_JOB (job), error);
+      g_error_free (error);
+      goto out;
+    }
+
+  cur_offset = g_seekable_tell (G_SEEKABLE (stream));
+  g_vfs_job_seek_read_set_offset (job, cur_offset);
+  g_vfs_job_succeeded (G_VFS_JOB (job));
+
+ out:
+  g_debug ("- seek_on_read\n");
+}
+
+/* ---------------------------------------------------------------------------------------------------- */
+
+static void
+close_read_cb (GObject      *source_object,
+               GAsyncResult *res,
+               gpointer      user_data)
+{
+  GError *error = NULL;
+  GInputStream *stream = G_INPUT_STREAM (source_object);
+  GVfsJobCloseRead *job = G_VFS_JOB_CLOSE_READ (user_data);
+
+  g_input_stream_close_finish (stream, res, &error);
+  if (error != NULL)
+    {
+      g_vfs_job_failed_from_error (G_VFS_JOB (job), error);
+      g_error_free (error);
+      goto out;
+    }
+
+  g_vfs_job_succeeded (G_VFS_JOB (job));
+
+ out:
+  g_object_unref (stream);
+  g_debug ("- close_read\n");
+}
+
+static gboolean
+g_vfs_backend_google_close_read (GVfsBackend       *_self,
+                                 GVfsJobCloseRead  *job,
+                                 GVfsBackendHandle  handle)
+{
+  GCancellable *cancellable = G_VFS_JOB (job)->cancellable;
+  GInputStream *stream = G_INPUT_STREAM (handle);
+
+  g_debug ("+ close_read: %p\n", handle);
+
+  g_input_stream_close_async (stream, G_PRIORITY_DEFAULT, cancellable, close_read_cb, job);
+
+  return TRUE;
+}
+
+/* ---------------------------------------------------------------------------------------------------- */
+
+static void
+g_vfs_backend_google_set_display_name (GVfsBackend           *_self,
+                                       GVfsJobSetDisplayName *job,
+                                       const gchar           *filename,
+                                       const gchar           *display_name)
+{
+  GVfsBackendGoogle *self = G_VFS_BACKEND_GOOGLE (_self);
+  GCancellable *cancellable = G_VFS_JOB (job)->cancellable;
+  GDataAuthorizationDomain *auth_domain;
+  GDataEntry *entry;
+  GDataEntry *new_entry = NULL;
+  GError *error;
+  gchar *entry_path = NULL;
+
+  g_rec_mutex_lock (&self->mutex);
+  g_debug ("+ set_display_name: %s, %s\n", filename, display_name);
+
+  error = NULL;
+  entry = resolve_and_rebuild (self, filename, cancellable, &error);
+  if (error != NULL)
+    {
+      g_vfs_job_failed_from_error (G_VFS_JOB (job), error);
+      g_error_free (error);
+      goto out;
+    }
+
+  entry_path = get_entry_path (self, entry);
+  g_debug ("  entry path: %s\n", entry_path);
+
+  if (entry == self->root)
+    {
+      g_vfs_job_failed (G_VFS_JOB (job),
+                        G_IO_ERROR,
+                        G_IO_ERROR_NOT_SUPPORTED,
+                        _("Can not rename the root directory"));
+      goto out;
+    }
+
+  gdata_entry_set_title (entry, display_name);
+  auth_domain = gdata_documents_service_get_primary_authorization_domain ();
+
+  error = NULL;
+  new_entry = gdata_service_update_entry (GDATA_SERVICE (self->service), auth_domain, entry, cancellable, &error);
+  if (error != NULL)
+    {
+      sanitize_error (&error);
+      g_vfs_job_failed_from_error (G_VFS_JOB (job), error);
+      g_error_free (error);
+      goto out;
+    }
+
+  remove_entry (self, entry);
+  insert_entry (self, new_entry);
+  g_hash_table_foreach (self->monitors, emit_attribute_changed_event, entry_path);
+  g_vfs_job_set_display_name_set_new_path (job, entry_path);
+  g_vfs_job_succeeded (G_VFS_JOB (job));
+
+ out:
+  g_clear_object (&new_entry);
+  g_free (entry_path);
+  g_debug ("- set_display_name\n");
+  g_rec_mutex_unlock (&self->mutex);
+}
+
+/* ---------------------------------------------------------------------------------------------------- */
+
+static void
+g_vfs_backend_google_create (GVfsBackend         *_self,
+                             GVfsJobOpenForWrite *job,
+                             const gchar         *filename,
+                             GFileCreateFlags     flags)
+{
+  GVfsBackendGoogle *self = G_VFS_BACKEND_GOOGLE (_self);
+  GCancellable *cancellable = G_VFS_JOB (job)->cancellable;
+  GDataDocumentsDocument *document = NULL;
+  GDataDocumentsEntry *new_document = NULL;
+  GDataEntry *existing_entry;
+  GDataEntry *parent;
+  GError *error;
+  WriteHandle *handle;
+  gchar *basename = NULL;
+  gchar *entry_path = NULL;
+  gchar *parent_path = NULL;
+
+  g_rec_mutex_lock (&self->mutex);
+  g_debug ("+ create: %s, %d\n", filename, flags);
+
+  if (g_strcmp0 (filename, "/") == 0)
+    {
+      g_vfs_job_failed (G_VFS_JOB (job),
+                        G_IO_ERROR,
+                        G_IO_ERROR_NOT_SUPPORTED,
+                        _("Can not create root directory"));
+      goto out;
+    }
+
+  error = NULL;
+  parent = resolve_dir_and_rebuild (self, filename, cancellable, &basename, &error);
+  if (error != NULL)
+    {
+      g_vfs_job_failed_from_error (G_VFS_JOB (job), error);
+      g_error_free (error);
+      goto out;
+    }
+
+  parent_path = get_entry_path (self, parent);
+  g_debug ("  parent path: %s\n", parent_path);
+
+  existing_entry = resolve_child (self, parent, basename);
+  if (existing_entry != NULL)
+    {
+      if (flags & G_FILE_CREATE_REPLACE_DESTINATION)
+        {
+          g_vfs_job_failed_literal (G_VFS_JOB (job),
+                                    G_IO_ERROR,
+                                    G_IO_ERROR_NOT_SUPPORTED,
+                                    _("Operation unsupported"));
+          goto out;
+        }
+      else
+        {
+          g_vfs_job_failed (G_VFS_JOB (job), G_IO_ERROR, G_IO_ERROR_EXISTS, _("Target file already exists"));
+          goto out;
+        }
+    }
+
+  document = gdata_documents_document_new (NULL);
+  gdata_entry_set_title (GDATA_ENTRY (document), basename);
+
+  error = NULL;
+  new_document = gdata_documents_service_add_entry_to_folder (self->service,
+                                                              GDATA_DOCUMENTS_ENTRY (document),
+                                                              GDATA_DOCUMENTS_FOLDER (parent),
+                                                              cancellable,
+                                                              &error);
+  if (error != NULL)
+    {
+      sanitize_error (&error);
+      g_vfs_job_failed_from_error (G_VFS_JOB (job), error);
+      g_error_free (error);
+      goto out;
+    }
+
+  entry_path = get_entry_path (self, GDATA_ENTRY (new_document));
+  g_debug ("  new entry path: %s\n", entry_path);
+
+  insert_entry (self, GDATA_ENTRY (new_document));
+  g_hash_table_foreach (self->monitors, emit_create_event, entry_path);
+
+  handle = write_handle_new (GDATA_ENTRY (new_document), NULL, filename);
+  g_vfs_job_open_for_write_set_handle (job, handle);
+  g_vfs_job_succeeded (G_VFS_JOB (job));
+
+ out:
+  g_clear_object (&document);
+  g_clear_object (&new_document);
+  g_free (basename);
+  g_free (entry_path);
+  g_free (parent_path);
+  g_debug ("- create\n");
+  g_rec_mutex_unlock (&self->mutex);
+}
+
+/* ---------------------------------------------------------------------------------------------------- */
+
+static void
+g_vfs_backend_google_replace (GVfsBackend         *_self,
+                              GVfsJobOpenForWrite *job,
+                              const gchar         *filename,
+                              const gchar         *etag,
+                              gboolean             make_backup,
+                              GFileCreateFlags     flags)
+{
+  GVfsBackendGoogle *self = G_VFS_BACKEND_GOOGLE (_self);
+  GCancellable *cancellable = G_VFS_JOB (job)->cancellable;
+  GDataDocumentsDocument *document = NULL;
+  GDataDocumentsEntry *new_document = NULL;
+  GDataEntry *existing_entry;
+  GDataEntry *parent;
+  GDataUploadStream *stream = NULL;
+  GError *error;
+  WriteHandle *handle;
+  gboolean needs_overwrite = FALSE;
+  gchar *basename = NULL;
+  gchar *content_type = NULL;
+  gchar *entry_path = NULL;
+  gchar *parent_path = NULL;
+
+  g_rec_mutex_lock (&self->mutex);
+  g_debug ("+ replace: %s, %s, %d, %d\n", filename, etag, make_backup, flags);
+
+  if (make_backup)
+    {
+      g_vfs_job_failed (G_VFS_JOB (job),
+                        G_IO_ERROR,
+                        G_IO_ERROR_CANT_CREATE_BACKUP,
+                        _("Backup file creation failed"));
+      goto out;
+    }
+
+  if (g_strcmp0 (filename, "/") == 0)
+    {
+      g_vfs_job_failed (G_VFS_JOB (job),
+                        G_IO_ERROR,
+                        G_IO_ERROR_NOT_SUPPORTED,
+                        _("Can not create root directory"));
+      goto out;
+    }
+
+  error = NULL;
+  parent = resolve_dir_and_rebuild (self, filename, cancellable, &basename, &error);
+  if (error != NULL)
+    {
+      g_vfs_job_failed_from_error (G_VFS_JOB (job), error);
+      g_error_free (error);
+      goto out;
+    }
+
+  parent_path = get_entry_path (self, parent);
+  g_debug ("  parent path: %s\n", parent_path);
+
+  existing_entry = resolve_child (self, parent, basename);
+  if (existing_entry != NULL)
+    {
+      if (GDATA_IS_DOCUMENTS_FOLDER (existing_entry))
+        {
+          g_vfs_job_failed (G_VFS_JOB (job), G_IO_ERROR, G_IO_ERROR_IS_DIRECTORY, _("Target file is a directory"));
+          goto out;
+        }
+      else if (!GDATA_IS_DOCUMENTS_DOCUMENT (existing_entry))
+        {
+          g_vfs_job_failed (G_VFS_JOB (job),
+                            G_IO_ERROR,
+                            G_IO_ERROR_NOT_REGULAR_FILE,
+                            _("Target file is not a regular file"));
+          goto out;
+        }
+
+      needs_overwrite = TRUE;
+    }
+
+  g_debug ("  will overwrite: %d\n", needs_overwrite);
+
+  if (needs_overwrite)
+    {
+      const gchar *title;
+
+      entry_path = get_entry_path (self, existing_entry);
+      g_debug ("  existing entry path: %s\n", entry_path);
+
+      title = gdata_entry_get_title (existing_entry);
+      content_type = get_content_type_from_entry (existing_entry);
+
+      error = NULL;
+      stream = gdata_documents_service_update_document (self->service,
+                                                        GDATA_DOCUMENTS_DOCUMENT (existing_entry),
+                                                        title,
+                                                        content_type,
+                                                        cancellable,
+                                                        &error);
+      if (error != NULL)
+        {
+          sanitize_error (&error);
+          g_vfs_job_failed_from_error (G_VFS_JOB (job), error);
+          g_error_free (error);
+          goto out;
+        }
+
+      handle = write_handle_new (NULL, stream, filename);
+    }
+  else
+    {
+      document = gdata_documents_document_new (NULL);
+      gdata_entry_set_title (GDATA_ENTRY (document), basename);
+
+      error = NULL;
+      new_document = gdata_documents_service_add_entry_to_folder (self->service,
+                                                                  GDATA_DOCUMENTS_ENTRY (document),
+                                                                  GDATA_DOCUMENTS_FOLDER (parent),
+                                                                  cancellable,
+                                                                  &error);
+      if (error != NULL)
+        {
+          sanitize_error (&error);
+          g_vfs_job_failed_from_error (G_VFS_JOB (job), error);
+          g_error_free (error);
+          goto out;
+        }
+
+      entry_path = get_entry_path (self, GDATA_ENTRY (new_document));
+      g_debug ("  new entry path: %s\n", entry_path);
+
+      insert_entry (self, GDATA_ENTRY (new_document));
+      g_hash_table_foreach (self->monitors, emit_create_event, entry_path);
+
+      handle = write_handle_new (GDATA_ENTRY (new_document), NULL, filename);
+    }
+
+  g_vfs_job_open_for_write_set_handle (job, handle);
+  g_vfs_job_succeeded (G_VFS_JOB (job));
+
+ out:
+  g_clear_object (&document);
+  g_clear_object (&new_document);
+  g_clear_object (&stream);
+  g_free (basename);
+  g_free (content_type);
+  g_free (entry_path);
+  g_free (parent_path);
+  g_debug ("- replace\n");
+  g_rec_mutex_unlock (&self->mutex);
+}
+
+/* ---------------------------------------------------------------------------------------------------- */
+
+static void
+g_vfs_backend_google_write (GVfsBackend       *_self,
+                            GVfsJobWrite      *job,
+                            GVfsBackendHandle  handle,
+                            gchar             *buffer,
+                            gsize              buffer_size)
+{
+  GVfsBackendGoogle *self = G_VFS_BACKEND_GOOGLE (_self);
+  GCancellable *cancellable = G_VFS_JOB (job)->cancellable;
+  GError *error;
+  WriteHandle *wh = (WriteHandle *) handle;
+  gchar *entry_path = NULL;
+  gssize nwrite;
+
+  g_debug ("+ write: %p\n", handle);
+
+  if (wh->stream == NULL)
+    {
+      const gchar *title;
+      gchar *content_type = NULL;
+
+      title = gdata_entry_get_title (wh->document);
+      content_type = g_content_type_guess (title, (const guchar *) buffer, buffer_size, NULL);
+      g_debug ("  content-type: %s\n", content_type);
+
+      error = NULL;
+      wh->stream = gdata_documents_service_update_document (self->service,
+                                                            GDATA_DOCUMENTS_DOCUMENT (wh->document),
+                                                            title,
+                                                            content_type,
+                                                            cancellable,
+                                                            &error);
+      g_free (content_type);
+
+      if (error != NULL)
+        {
+          sanitize_error (&error);
+          g_vfs_job_failed_from_error (G_VFS_JOB (job), error);
+          g_error_free (error);
+          goto out;
+        }
+    }
+
+  g_debug ("  writing to stream: %p\n", wh->stream);
+
+  entry_path = get_entry_path (self, wh->document);
+  g_debug ("  entry path: %s\n", entry_path);
+
+  error = NULL;
+  nwrite = g_output_stream_write (G_OUTPUT_STREAM (wh->stream),
+                                  buffer,
+                                  buffer_size,
+                                  cancellable,
+                                  &error);
+  if (error != NULL)
+    {
+      g_vfs_job_failed_from_error (G_VFS_JOB (job), error);
+      g_error_free (error);
+      goto out;
+    }
+
+  g_hash_table_foreach (self->monitors, emit_changed_event, entry_path);
+  g_vfs_job_write_set_written_size (job, (gsize) nwrite);
+  g_vfs_job_succeeded (G_VFS_JOB (job));
+
+ out:
+  g_free (entry_path);
+  g_debug ("- write\n");
+}
+
+/* ---------------------------------------------------------------------------------------------------- */
+
+static void
+g_vfs_backend_google_close_write (GVfsBackend       *_self,
+                                  GVfsJobCloseWrite *job,
+                                  GVfsBackendHandle  handle)
+{
+  GVfsBackendGoogle *self = G_VFS_BACKEND_GOOGLE (_self);
+  GCancellable *cancellable = G_VFS_JOB (job)->cancellable;
+  GDataDocumentsDocument *new_document = NULL;
+  GError *error;
+  WriteHandle *wh = (WriteHandle *) handle;
+  gchar *entry_path = NULL;
+
+  g_debug ("+ close_write: %p\n", handle);
+
+  if (!g_output_stream_is_closed (G_OUTPUT_STREAM (wh->stream)))
+    {
+      error = NULL;
+      g_output_stream_close (G_OUTPUT_STREAM (wh->stream), cancellable, &error);
+      if (error != NULL)
+        {
+          g_vfs_job_failed_from_error (G_VFS_JOB (job), error);
+          g_error_free (error);
+          goto out;
+        }
+    }
+
+  error = NULL;
+  new_document = gdata_documents_service_finish_upload (self->service, wh->stream, &error);
+  if (error != NULL)
+    {
+      sanitize_error (&error);
+      g_vfs_job_failed_from_error (G_VFS_JOB (job), error);
+      g_error_free (error);
+      goto out;
+    }
+  else if (new_document == NULL)
+    {
+      g_vfs_job_failed (G_VFS_JOB (job), G_IO_ERROR, G_IO_ERROR_FAILED, _("Failed to write"));
+      goto out;
+    }
+
+  entry_path = get_entry_path (self, GDATA_ENTRY (new_document));
+  g_debug ("  new entry path: %s\n", entry_path);
+
+  remove_entry (self, wh->document);
+  insert_entry (self, GDATA_ENTRY (new_document));
+  g_hash_table_foreach (self->monitors, emit_changes_done_event, entry_path);
+  g_vfs_job_succeeded (G_VFS_JOB (job));
+
+ out:
+  g_clear_object (&new_document);
+  write_handle_free (wh);
+  g_free (entry_path);
+  g_debug ("- close_write\n");
+}
+
+/* ---------------------------------------------------------------------------------------------------- */
+
+static void
+g_vfs_backend_google_dispose (GObject *_self)
+{
+  GVfsBackendGoogle *self = G_VFS_BACKEND_GOOGLE (_self);
+
+  if (self->entries_stale_timeout != 0)
+    {
+      g_source_remove (self->entries_stale_timeout);
+      self->entries_stale_timeout = 0;
+    }
+
+  if (self->dir_collisions != NULL)
+    {
+      g_list_free_full (self->dir_collisions, g_object_unref);
+      self->dir_collisions = NULL;
+    }
+
+  g_clear_object (&self->service);
+  g_clear_object (&self->root);
+  g_clear_object (&self->client);
+  g_clear_pointer (&self->entries, (GDestroyNotify) g_hash_table_unref);
+  g_clear_pointer (&self->dir_entries, (GDestroyNotify) g_hash_table_unref);
+
+  G_OBJECT_CLASS (g_vfs_backend_google_parent_class)->dispose (_self);
+}
+
+static void
+g_vfs_backend_google_finalize (GObject *_self)
+{
+  GVfsBackendGoogle *self = G_VFS_BACKEND_GOOGLE (_self);
+
+  g_hash_table_foreach (self->monitors, remove_monitor_weak_ref, self->monitors);
+  g_hash_table_unref (self->monitors);
+  g_free (self->account_identity);
+
+  g_rec_mutex_clear (&self->mutex);
+
+  G_OBJECT_CLASS (g_vfs_backend_google_parent_class)->finalize (_self);
+}
+
+static void
+g_vfs_backend_google_class_init (GVfsBackendGoogleClass * klass)
+{
+  GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+  GVfsBackendClass *backend_class = G_VFS_BACKEND_CLASS (klass);
+
+  gobject_class->dispose = g_vfs_backend_google_dispose;
+  gobject_class->finalize = g_vfs_backend_google_finalize;
+
+  backend_class->try_close_read = g_vfs_backend_google_close_read;
+  backend_class->close_write = g_vfs_backend_google_close_write;
+  backend_class->copy = g_vfs_backend_google_copy;
+  backend_class->create = g_vfs_backend_google_create;
+  backend_class->try_create_dir_monitor = g_vfs_backend_google_create_dir_monitor;
+  backend_class->delete = g_vfs_backend_google_delete;
+  backend_class->enumerate = g_vfs_backend_google_enumerate;
+  backend_class->make_directory = g_vfs_backend_google_make_directory;
+  backend_class->mount = g_vfs_backend_google_mount;
+  backend_class->open_for_read = g_vfs_backend_google_open_for_read;
+  backend_class->open_icon_for_read = g_vfs_backend_google_open_icon_for_read;
+  backend_class->push = g_vfs_backend_google_push;
+  backend_class->try_query_fs_info = g_vfs_backend_google_query_fs_info;
+  backend_class->query_info = g_vfs_backend_google_query_info;
+  backend_class->query_info_on_read = g_vfs_backend_google_query_info_on_read;
+  backend_class->try_query_info_on_write = g_vfs_backend_google_query_info_on_write;
+  backend_class->seek_on_read = g_vfs_backend_google_seek_on_read;
+  backend_class->set_display_name = g_vfs_backend_google_set_display_name;
+  backend_class->try_read = g_vfs_backend_google_read;
+  backend_class->replace = g_vfs_backend_google_replace;
+  backend_class->write = g_vfs_backend_google_write;
+}
+
+static void
+g_vfs_backend_google_init (GVfsBackendGoogle *self)
+{
+  self->entries = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_object_unref);
+  self->dir_entries = g_hash_table_new_full (entries_in_folder_hash,
+                                             entries_in_folder_equal,
+                                             dir_entries_key_free,
+                                             g_object_unref);
+  self->monitors = g_hash_table_new (NULL, NULL);
+  g_rec_mutex_init (&self->mutex);
+  self->entries_stale = TRUE;
+}
diff --git a/daemon/gvfsbackendgoogle.h b/daemon/gvfsbackendgoogle.h
new file mode 100644
index 00000000..a5b3b2bc
--- /dev/null
+++ b/daemon/gvfsbackendgoogle.h
@@ -0,0 +1,60 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+/* gvfs - extensions for gio
+ *
+ * Copyright (C) 2014 Red Hat, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General
+ * Public License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ * Author: Debarshi Ray <debarshir@gnome.org>
+ */
+
+#ifndef __G_VFS_BACKEND_GOOGLE_H__
+#define __G_VFS_BACKEND_GOOGLE_H__
+
+#include <gvfsbackend.h>
+
+G_BEGIN_DECLS
+
+#define G_VFS_TYPE_BACKEND_GOOGLE (g_vfs_backend_google_get_type())
+
+#define G_VFS_BACKEND_GOOGLE(o) \
+  (G_TYPE_CHECK_INSTANCE_CAST((o), \
+   G_VFS_TYPE_BACKEND_GOOGLE, GVfsBackendGoogle))
+
+#define G_VFS_BACKEND_GOOGLE_CLASS(k) \
+  (G_TYPE_CHECK_CLASS_CAST((k), \
+   G_VFS_TYPE_BACKEND_GOOGLE, GVfsBackendGoogleClass))
+
+#define G_VFS_IS_BACKEND_GOOGLE(o) \
+  (G_TYPE_CHECK_INSTANCE_TYPE((o), \
+   G_VFS_TYPE_BACKEND_GOOGLE))
+
+#define G_VFS_IS_BACKEND_GOOGLE_CLASS(k) \
+  (G_TYPE_CHECK_CLASS_TYPE((k), \
+   G_VFS_TYPE_BACKEND_GOOGLE))
+
+#define G_VFS_BACKEND_GOOGLE_GET_CLASS(o) \
+  (G_TYPE_INSTANCE_GET_CLASS((o), \
+   G_VFS_TYPE_BACKEND_GOOGLE, GVfsBackendGoogleClass))
+
+typedef struct _GVfsBackendGoogle GVfsBackendGoogle;
+typedef struct _GVfsBackendGoogleClass GVfsBackendGoogleClass;
+
+GType g_vfs_backend_google_get_type (void) G_GNUC_CONST;
+
+G_END_DECLS
+
+#endif /* __G_VFS_BACKEND_GOOGLE_H__ */