/* -*- 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;

  class StoragePressureRunnable;

public:

  void

  AddRef();

  void

  Release();

  const nsAString&

  Path() const

  {

    return mPath;

  }

  bool

  MaybeUpdateSize(int64_t aSize, bool aTruncate);

  bool

  IncreaseSize(int64_t aDelta);

  void

  DisableQuotaCheck();

  void

  EnableQuotaCheck();

private:

  QuotaObject(OriginInfo* aOriginInfo, const nsAString& aPath, int64_t aSize)

    : mOriginInfo(aOriginInfo)

    , mPath(aPath)

    , mSize(aSize)

    , mQuotaCheckDisabled(false)

    , mWritingDone(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();

  }

  bool

  LockedMaybeUpdateSize(int64_t aSize, bool aTruncate);

  mozilla::ThreadSafeAutoRefCnt mRefCnt;

  OriginInfo* mOriginInfo;

  nsString mPath;

  int64_t mSize;

  bool mQuotaCheckDisabled;

  bool mWritingDone;

};

END_QUOTA_NAMESPACE

#endif // mozilla_dom_quota_quotaobject_h__