1 files changed, 79 insertions, 0 deletions
diff --git a/dom/quota/GroupInfoPair.h b/dom/quota/GroupInfoPair.h
new file mode 100644
index 0000000000..20b8ab8ee9
--- /dev/null
+++ b/dom/quota/GroupInfoPair.h
@@ -0,0 +1,79 @@
+/* -*- 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_GROUPINFOPAIR_H_
+#define DOM_QUOTA_GROUPINFOPAIR_H_
+
+#include "GroupInfo.h"
+#include "mozilla/dom/quota/Assertions.h"
+#include "mozilla/dom/quota/PersistenceType.h"
+#include "nsISupportsImpl.h"
+#include "nsString.h"
+
+namespace mozilla::dom::quota {
+
+class GroupInfo;
+
+// XXX Consider a new name for this class, it has other data members now
+// (besides two GroupInfo objects).
+class GroupInfoPair {
+ public:
+  GroupInfoPair(const nsACString& aSuffix, const nsACString& aGroup)
+      : mSuffix(aSuffix), mGroup(aGroup) {
+    MOZ_COUNT_CTOR(GroupInfoPair);
+  }
+
+  MOZ_COUNTED_DTOR(GroupInfoPair)
+
+  const nsCString& Suffix() const { return mSuffix; }
+
+  const nsCString& Group() const { return mGroup; }
+
+  RefPtr<GroupInfo> LockedGetGroupInfo(PersistenceType aPersistenceType) {
+    AssertCurrentThreadOwnsQuotaMutex();
+    MOZ_ASSERT(aPersistenceType != PERSISTENCE_TYPE_PERSISTENT);
+
+    return GetGroupInfoForPersistenceType(aPersistenceType);
+  }
+
+  void LockedSetGroupInfo(PersistenceType aPersistenceType,
+                          GroupInfo* aGroupInfo) {
+    AssertCurrentThreadOwnsQuotaMutex();
+    MOZ_ASSERT(aPersistenceType != PERSISTENCE_TYPE_PERSISTENT);
+
+    RefPtr<GroupInfo>& groupInfo =
+        GetGroupInfoForPersistenceType(aPersistenceType);
+    groupInfo = aGroupInfo;
+  }
+
+  void LockedClearGroupInfo(PersistenceType aPersistenceType) {
+    AssertCurrentThreadOwnsQuotaMutex();
+    MOZ_ASSERT(aPersistenceType != PERSISTENCE_TYPE_PERSISTENT);
+
+    RefPtr<GroupInfo>& groupInfo =
+        GetGroupInfoForPersistenceType(aPersistenceType);
+    groupInfo = nullptr;
+  }
+
+  bool LockedHasGroupInfos() {
+    AssertCurrentThreadOwnsQuotaMutex();
+
+    return mTemporaryStorageGroupInfo || mDefaultStorageGroupInfo;
+  }
+
+ private:
+  RefPtr<GroupInfo>& GetGroupInfoForPersistenceType(
+      PersistenceType aPersistenceType);
+
+  const nsCString mSuffix;
+  const nsCString mGroup;
+  RefPtr<GroupInfo> mTemporaryStorageGroupInfo;
+  RefPtr<GroupInfo> mDefaultStorageGroupInfo;
+};
+
+}  // namespace mozilla::dom::quota
+
+#endif  // DOM_QUOTA_GROUPINFOPAIR_H_