gecko-dev/dom/quota/QuotaObject.h

91 строка
1.8 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=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"
BEGIN_QUOTA_NAMESPACE
class OriginInfo;
class QuotaManager;
class QuotaObject
{
friend class OriginInfo;
friend class QuotaManager;
public:
void
AddRef();
void
Release();
void
UpdateSize(int64_t aSize);
bool
MaybeAllocateMoreSpace(int64_t aOffset, int32_t aCount);
private:
QuotaObject(OriginInfo* aOriginInfo, const nsAString& aPath, int64_t aSize)
: mOriginInfo(aOriginInfo), mPath(aPath), mSize(aSize)
{ }
virtual ~QuotaObject()
{ }
nsAutoRefCnt mRefCnt;
OriginInfo* mOriginInfo;
nsString mPath;
int64_t mSize;
};
class OriginInfo
{
friend class QuotaManager;
friend class QuotaObject;
public:
OriginInfo(const nsACString& aOrigin, int64_t aLimit, int64_t aUsage)
: mOrigin(aOrigin), mLimit(aLimit), mUsage(aUsage)
{
mQuotaObjects.Init();
}
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(OriginInfo)
private:
void
#ifdef DEBUG
LockedClearOriginInfos();
#else
LockedClearOriginInfos()
{
mQuotaObjects.EnumerateRead(ClearOriginInfoCallback, nullptr);
}
#endif
static PLDHashOperator
ClearOriginInfoCallback(const nsAString& aKey,
QuotaObject* aValue, void* aUserArg);
nsDataHashtable<nsStringHashKey, QuotaObject*> mQuotaObjects;
nsCString mOrigin;
int64_t mLimit;
int64_t mUsage;
};
END_QUOTA_NAMESPACE
#endif // mozilla_dom_quota_quotaobject_h__