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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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_filestreams_h__
#define mozilla_dom_quota_filestreams_h__
#include "QuotaCommon.h"
#include "nsFileStreams.h"
#include "PersistenceType.h"
#include "QuotaObject.h"
BEGIN_QUOTA_NAMESPACE
template <class FileStreamBase>
class FileQuotaStream : public FileStreamBase
{
public:
// nsFileStreamBase override
NS_IMETHOD
SetEOF() override;
NS_IMETHOD
Close() override;
protected:
FileQuotaStream(PersistenceType aPersistenceType, const nsACString& aGroup,
const nsACString& aOrigin)
: mPersistenceType(aPersistenceType), mGroup(aGroup), mOrigin(aOrigin)
{ }
// nsFileStreamBase override
virtual nsresult
DoOpen() override;
PersistenceType mPersistenceType;
nsCString mGroup;
nsCString mOrigin;
RefPtr<QuotaObject> mQuotaObject;
};
template <class FileStreamBase>
class FileQuotaStreamWithWrite : public FileQuotaStream<FileStreamBase>
{
public:
// nsFileStreamBase override
NS_IMETHOD
Write(const char* aBuf, uint32_t aCount, uint32_t* _retval) override;
protected:
FileQuotaStreamWithWrite(PersistenceType aPersistenceType,
const nsACString& aGroup, const nsACString& aOrigin)
: FileQuotaStream<FileStreamBase>(aPersistenceType, aGroup, aOrigin)
{ }
};
class FileInputStream : public FileQuotaStream<nsFileInputStream>
{
public:
NS_DECL_ISUPPORTS_INHERITED
static already_AddRefed<FileInputStream>
Create(PersistenceType aPersistenceType, const nsACString& aGroup,
const nsACString& aOrigin, nsIFile* aFile, int32_t aIOFlags = -1,
int32_t aPerm = -1, int32_t aBehaviorFlags = 0);
private:
FileInputStream(PersistenceType aPersistenceType, const nsACString& aGroup,
const nsACString& aOrigin)
: FileQuotaStream<nsFileInputStream>(aPersistenceType, aGroup, aOrigin)
{ }
virtual ~FileInputStream() {
Close();
}
};
class FileOutputStream : public FileQuotaStreamWithWrite<nsFileOutputStream>
{
public:
NS_DECL_ISUPPORTS_INHERITED
static already_AddRefed<FileOutputStream>
Create(PersistenceType aPersistenceType, const nsACString& aGroup,
const nsACString& aOrigin, nsIFile* aFile, int32_t aIOFlags = -1,
int32_t aPerm = -1, int32_t aBehaviorFlags = 0);
private:
FileOutputStream(PersistenceType aPersistenceType, const nsACString& aGroup,
const nsACString& aOrigin)
: FileQuotaStreamWithWrite<nsFileOutputStream>(aPersistenceType, aGroup,
aOrigin)
{ }
virtual ~FileOutputStream() {
Close();
}
};
class FileStream : public FileQuotaStreamWithWrite<nsFileStream>
{
public:
NS_DECL_ISUPPORTS_INHERITED
static already_AddRefed<FileStream>
Create(PersistenceType aPersistenceType, const nsACString& aGroup,
const nsACString& aOrigin, nsIFile* aFile, int32_t aIOFlags = -1,
int32_t aPerm = -1, int32_t aBehaviorFlags = 0);
private:
FileStream(PersistenceType aPersistenceType, const nsACString& aGroup,
const nsACString& aOrigin)
: FileQuotaStreamWithWrite<nsFileStream>(aPersistenceType, aGroup, aOrigin)
{ }
virtual ~FileStream() {
Close();
}
};
END_QUOTA_NAMESPACE
#endif /* mozilla_dom_quota_filestreams_h__ */
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