mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-09-11 02:56:06 +00:00
136 lines
4.0 KiB
C++
136 lines
4.0 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/. */
|
|
|
|
#include "FileStreams.h"
|
|
|
|
#include "QuotaManager.h"
|
|
#include "prio.h"
|
|
|
|
USING_QUOTA_NAMESPACE
|
|
|
|
template <class FileStreamBase>
|
|
NS_IMETHODIMP
|
|
FileQuotaStream<FileStreamBase>::SetEOF()
|
|
{
|
|
nsresult rv = FileStreamBase::SetEOF();
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
if (mQuotaObject) {
|
|
int64_t offset;
|
|
nsresult rv = FileStreamBase::Tell(&offset);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
mQuotaObject->MaybeUpdateSize(offset, /* aTruncate */ true);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
template <class FileStreamBase>
|
|
NS_IMETHODIMP
|
|
FileQuotaStream<FileStreamBase>::Close()
|
|
{
|
|
nsresult rv = FileStreamBase::Close();
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
mQuotaObject = nullptr;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
template <class FileStreamBase>
|
|
nsresult
|
|
FileQuotaStream<FileStreamBase>::DoOpen()
|
|
{
|
|
QuotaManager* quotaManager = QuotaManager::Get();
|
|
NS_ASSERTION(quotaManager, "Shouldn't be null!");
|
|
|
|
NS_ASSERTION(!mQuotaObject, "Creating quota object more than once?");
|
|
mQuotaObject = quotaManager->GetQuotaObject(mPersistenceType, mGroup, mOrigin,
|
|
FileStreamBase::mOpenParams.localFile);
|
|
|
|
nsresult rv = FileStreamBase::DoOpen();
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
if (mQuotaObject && (FileStreamBase::mOpenParams.ioFlags & PR_TRUNCATE)) {
|
|
mQuotaObject->MaybeUpdateSize(0, /* aTruncate */ true);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
template <class FileStreamBase>
|
|
NS_IMETHODIMP
|
|
FileQuotaStreamWithWrite<FileStreamBase>::Write(const char* aBuf,
|
|
uint32_t aCount,
|
|
uint32_t* _retval)
|
|
{
|
|
nsresult rv;
|
|
|
|
if (FileQuotaStreamWithWrite::mQuotaObject) {
|
|
int64_t offset;
|
|
rv = FileStreamBase::Tell(&offset);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
MOZ_ASSERT(INT64_MAX - offset >= int64_t(aCount));
|
|
|
|
if (!FileQuotaStreamWithWrite::
|
|
mQuotaObject->MaybeUpdateSize(offset + int64_t(aCount),
|
|
/* aTruncate */ false)) {
|
|
return NS_ERROR_FILE_NO_DEVICE_SPACE;
|
|
}
|
|
}
|
|
|
|
rv = FileStreamBase::Write(aBuf, aCount, _retval);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMPL_ISUPPORTS_INHERITED0(FileInputStream, nsFileInputStream)
|
|
|
|
already_AddRefed<FileInputStream>
|
|
FileInputStream::Create(PersistenceType aPersistenceType,
|
|
const nsACString& aGroup, const nsACString& aOrigin,
|
|
nsIFile* aFile, int32_t aIOFlags, int32_t aPerm,
|
|
int32_t aBehaviorFlags)
|
|
{
|
|
RefPtr<FileInputStream> stream =
|
|
new FileInputStream(aPersistenceType, aGroup, aOrigin);
|
|
nsresult rv = stream->Init(aFile, aIOFlags, aPerm, aBehaviorFlags);
|
|
NS_ENSURE_SUCCESS(rv, nullptr);
|
|
return stream.forget();
|
|
}
|
|
|
|
NS_IMPL_ISUPPORTS_INHERITED0(FileOutputStream, nsFileOutputStream)
|
|
|
|
already_AddRefed<FileOutputStream>
|
|
FileOutputStream::Create(PersistenceType aPersistenceType,
|
|
const nsACString& aGroup, const nsACString& aOrigin,
|
|
nsIFile* aFile, int32_t aIOFlags, int32_t aPerm,
|
|
int32_t aBehaviorFlags)
|
|
{
|
|
RefPtr<FileOutputStream> stream =
|
|
new FileOutputStream(aPersistenceType, aGroup, aOrigin);
|
|
nsresult rv = stream->Init(aFile, aIOFlags, aPerm, aBehaviorFlags);
|
|
NS_ENSURE_SUCCESS(rv, nullptr);
|
|
return stream.forget();
|
|
}
|
|
|
|
NS_IMPL_ISUPPORTS_INHERITED0(FileStream, nsFileStream)
|
|
|
|
already_AddRefed<FileStream>
|
|
FileStream::Create(PersistenceType aPersistenceType, const nsACString& aGroup,
|
|
const nsACString& aOrigin, nsIFile* aFile, int32_t aIOFlags,
|
|
int32_t aPerm, int32_t aBehaviorFlags)
|
|
{
|
|
RefPtr<FileStream> stream =
|
|
new FileStream(aPersistenceType, aGroup, aOrigin);
|
|
nsresult rv = stream->Init(aFile, aIOFlags, aPerm, aBehaviorFlags);
|
|
NS_ENSURE_SUCCESS(rv, nullptr);
|
|
return stream.forget();
|
|
}
|