CanonicalQuotaObject.h

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/* -*- 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_CANONICALQUOTAOBJECT_H_

#define DOM_QUOTA_CANONICALQUOTAOBJECT_H_

// Local includes

#include "Client.h"

// Global includes

#include <cstdint>

#include "mozilla/AlreadyAddRefed.h"

#include "mozilla/RefPtr.h"

#include "mozilla/dom/quota/Assertions.h"

#include "mozilla/dom/quota/QuotaObject.h"

#include "nsCOMPtr.h"

#include "nsISupports.h"

#include "nsStringFwd.h"

// XXX Avoid including this here by moving function bodies to the cpp file.

#include "mozilla/dom/quota/QuotaCommon.h"

namespace mozilla::dom::quota {

class OriginInfo;

class QuotaManager;

class CanonicalQuotaObject final : public QuotaObject {

  friend class OriginInfo;

  friend class QuotaManager;

  class StoragePressureRunnable;

 public:

  NS_IMETHOD_(MozExternalRefCountType) AddRef() override;

  NS_IMETHOD_(MozExternalRefCountType) Release() override;

  const nsAString& Path() const override { return mPath; }

  [[nodiscard]] bool MaybeUpdateSize(int64_t aSize, bool aTruncate) override;

  bool IncreaseSize(int64_t aDelta) override;

  void DisableQuotaCheck() override;

  void EnableQuotaCheck() override;

 private:

  CanonicalQuotaObject(OriginInfo* aOriginInfo, Client::Type aClientType,

                       const nsAString& aPath, int64_t aSize)

      : QuotaObject(/* aIsRemote */ false),

        mOriginInfo(aOriginInfo),

        mPath(aPath),

        mSize(aSize),

        mClientType(aClientType),

        mQuotaCheckDisabled(false),

        mWritingDone(false) {

    MOZ_COUNT_CTOR(CanonicalQuotaObject);

  MOZ_COUNTED_DTOR(CanonicalQuotaObject)

  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;

  Client::Type mClientType;

  bool mQuotaCheckDisabled;

  bool mWritingDone;

};

}  // namespace mozilla::dom::quota

#endif  // DOM_QUOTA_CANONICALQUOTAOBJECT_H_