gecko-dev/dom/quota/QuotaObject.h

96 строки
1.7 KiB
C++

/* -*- 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__