1 files changed, 89 insertions, 0 deletions
diff --git a/dom/quota/CommonMetadata.h b/dom/quota/CommonMetadata.h
new file mode 100644
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+++ b/dom/quota/CommonMetadata.h
@@ -0,0 +1,89 @@
+/* -*- 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 DOM_QUOTA_COMMONMETADATA_H_
+#define DOM_QUOTA_COMMONMETADATA_H_
+
+#include <utility>
+
+#include "mozilla/dom/quota/Client.h"
+#include "mozilla/dom/quota/Constants.h"
+#include "mozilla/dom/quota/PersistenceType.h"
+#include "nsString.h"
+
+namespace mozilla::dom::quota {
+
+struct PrincipalMetadata {
+  nsCString mSuffix;
+  nsCString mGroup;
+  nsCString mOrigin;
+  nsCString mStorageOrigin;
+  bool mIsPrivate = false;
+
+  // These explicit constructors exist to prevent accidental aggregate
+  // initialization which could for example initialize mSuffix as group and
+  // mGroup as origin (if only two string arguments are used).
+  PrincipalMetadata() = default;
+
+  PrincipalMetadata(nsCString aSuffix, nsCString aGroup, nsCString aOrigin,
+                    nsCString aStorageOrigin, bool aIsPrivate)
+      : mSuffix{std::move(aSuffix)},
+        mGroup{std::move(aGroup)},
+        mOrigin{std::move(aOrigin)},
+        mStorageOrigin{std::move(aStorageOrigin)},
+        mIsPrivate{aIsPrivate} {
+    AssertInvariants();
+  }
+
+  void AssertInvariants() const {
+    MOZ_ASSERT(!StringBeginsWith(mOrigin, kUUIDOriginScheme));
+    MOZ_ASSERT_IF(!mIsPrivate, mOrigin == mStorageOrigin);
+    MOZ_ASSERT_IF(mIsPrivate, mOrigin != mStorageOrigin);
+  }
+};
+
+struct OriginMetadata : public PrincipalMetadata {
+  PersistenceType mPersistenceType;
+
+  OriginMetadata() = default;
+
+  OriginMetadata(nsCString aSuffix, nsCString aGroup, nsCString aOrigin,
+                 nsCString aStorageOrigin, bool aIsPrivate,
+                 PersistenceType aPersistenceType)
+      : PrincipalMetadata(std::move(aSuffix), std::move(aGroup),
+                          std::move(aOrigin), std::move(aStorageOrigin),
+                          aIsPrivate),
+        mPersistenceType(aPersistenceType) {}
+
+  OriginMetadata(PrincipalMetadata&& aPrincipalMetadata,
+                 PersistenceType aPersistenceType)
+      : PrincipalMetadata(std::move(aPrincipalMetadata)),
+        mPersistenceType(aPersistenceType) {}
+};
+
+struct FullOriginMetadata : OriginMetadata {
+  bool mPersisted;
+  int64_t mLastAccessTime;
+
+  FullOriginMetadata() = default;
+
+  FullOriginMetadata(OriginMetadata aOriginMetadata, bool aPersisted,
+                     int64_t aLastAccessTime)
+      : OriginMetadata(std::move(aOriginMetadata)),
+        mPersisted(aPersisted),
+        mLastAccessTime(aLastAccessTime) {}
+};
+
+struct ClientMetadata : OriginMetadata {
+  const Client::Type mClientType;
+
+  ClientMetadata(OriginMetadata aOriginMetadata, Client::Type aClientType)
+      : OriginMetadata(std::move(aOriginMetadata)), mClientType(aClientType) {}
+};
+
+}  // namespace mozilla::dom::quota
+
+#endif  // DOM_QUOTA_COMMONMETADATA_H_