1 files changed, 66 insertions, 0 deletions
diff --git a/dom/quota/PersistenceType.h b/dom/quota/PersistenceType.h
new file mode 100644
index 0000000000..dd2f09ecbd
--- /dev/null
+++ b/dom/quota/PersistenceType.h
@@ -0,0 +1,66 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_quota_persistencetype_h__
+#define mozilla_dom_quota_persistencetype_h__
+
+#include <array>
+#include <cstdint>
+#include "mozilla/Assertions.h"
+#include "mozilla/Maybe.h"
+#include "mozilla/fallible.h"
+#include "nsStringFwd.h"
+
+class nsIFile;
+
+namespace mozilla::dom::quota {
+
+enum PersistenceType {
+  PERSISTENCE_TYPE_PERSISTENT = 0,
+  PERSISTENCE_TYPE_TEMPORARY,
+  PERSISTENCE_TYPE_DEFAULT,
+  PERSISTENCE_TYPE_PRIVATE,
+
+  // Only needed for IPC serialization helper, should never be used in code.
+  PERSISTENCE_TYPE_INVALID
+};
+
+static const PersistenceType kAllPersistenceTypes[] = {
+    PERSISTENCE_TYPE_PERSISTENT, PERSISTENCE_TYPE_TEMPORARY,
+    PERSISTENCE_TYPE_DEFAULT, PERSISTENCE_TYPE_PRIVATE};
+
+static const PersistenceType kBestEffortPersistenceTypes[] = {
+    PERSISTENCE_TYPE_TEMPORARY, PERSISTENCE_TYPE_DEFAULT,
+    PERSISTENCE_TYPE_PRIVATE};
+
+static const PersistenceType kInitializableBestEffortPersistenceTypes[] = {
+    PERSISTENCE_TYPE_TEMPORARY, PERSISTENCE_TYPE_DEFAULT};
+
+bool IsValidPersistenceType(PersistenceType aPersistenceType);
+
+bool IsBestEffortPersistenceType(const PersistenceType aPersistenceType);
+
+nsLiteralCString PersistenceTypeToString(PersistenceType aPersistenceType);
+
+Maybe<PersistenceType> PersistenceTypeFromString(const nsACString& aString,
+                                                 const fallible_t&);
+
+PersistenceType PersistenceTypeFromString(const nsACString& aString);
+
+Maybe<PersistenceType> PersistenceTypeFromInt32(int32_t aInt32,
+                                                const fallible_t&);
+
+// aFile is expected to be a repository directory (not some file or directory
+// within that).
+Maybe<PersistenceType> PersistenceTypeFromFile(nsIFile& aFile,
+                                               const fallible_t&);
+
+std::array<PersistenceType, 2> ComplementaryPersistenceTypes(
+    const PersistenceType aPersistenceType);
+
+}  // namespace mozilla::dom::quota
+
+#endif  // mozilla_dom_quota_persistencetype_h__