import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

dom/quota/QuotaObject.h

@@ -0,0 +1,85 @@
+/* -*- 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_quotaobject_h__
+#define mozilla_dom_quota_quotaobject_h__
+
+#include "mozilla/dom/quota/QuotaCommon.h"
+
+#include "nsDataHashtable.h"
+
+#include "PersistenceType.h"
+
+BEGIN_QUOTA_NAMESPACE
+
+class OriginInfo;
+class QuotaManager;
+
+class QuotaObject
+{
+  friend class OriginInfo;
+  friend class QuotaManager;
+
+public:
+  void
+  AddRef();
+
+  void
+  Release();
+
+  const nsAString&
+  Path() const
+  {
+    return mPath;
+  }
+
+  bool
+  MaybeUpdateSize(int64_t aSize, bool aTruncate);
+
+  void
+  DisableQuotaCheck();
+
+  void
+  EnableQuotaCheck();
+
+private:
+  QuotaObject(OriginInfo* aOriginInfo, const nsAString& aPath, int64_t aSize)
+    : mOriginInfo(aOriginInfo)
+    , mPath(aPath)
+    , mSize(aSize)
+    , mQuotaCheckDisabled(false)
+  {
+    MOZ_COUNT_CTOR(QuotaObject);
+  }
+
+  ~QuotaObject()
+  {
+    MOZ_COUNT_DTOR(QuotaObject);
+  }
+
+  already_AddRefed<QuotaObject>
+  LockedAddRef()
+  {
+    AssertCurrentThreadOwnsQuotaMutex();
+
+    ++mRefCnt;
+
+    RefPtr<QuotaObject> result = dont_AddRef(this);
+    return result.forget();
+  }
+
+  mozilla::ThreadSafeAutoRefCnt mRefCnt;
+
+  OriginInfo* mOriginInfo;
+  nsString mPath;
+  int64_t mSize;
+
+  bool mQuotaCheckDisabled;
+};
+
+END_QUOTA_NAMESPACE
+
+#endif // mozilla_dom_quota_quotaobject_h__