michael@0: /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim: set ts=2 et sw=2 tw=80: */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "FileStreams.h"
michael@0: 
michael@0: #include "QuotaManager.h"
michael@0: #include "prio.h"
michael@0: 
michael@0: USING_QUOTA_NAMESPACE
michael@0: 
michael@0: template <class FileStreamBase>
michael@0: NS_IMETHODIMP
michael@0: FileQuotaStream<FileStreamBase>::SetEOF()
michael@0: {
michael@0:   nsresult rv = FileStreamBase::SetEOF();
michael@0:   NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:   if (mQuotaObject) {
michael@0:     int64_t offset;
michael@0:     nsresult rv = FileStreamBase::Tell(&offset);
michael@0:     NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:     mQuotaObject->UpdateSize(offset);
michael@0:   }
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: template <class FileStreamBase>
michael@0: NS_IMETHODIMP
michael@0: FileQuotaStream<FileStreamBase>::Close()
michael@0: {
michael@0:   nsresult rv = FileStreamBase::Close();
michael@0:   NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:   mQuotaObject = nullptr;
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: template <class FileStreamBase>
michael@0: nsresult
michael@0: FileQuotaStream<FileStreamBase>::DoOpen()
michael@0: {
michael@0:   QuotaManager* quotaManager = QuotaManager::Get();
michael@0:   NS_ASSERTION(quotaManager, "Shouldn't be null!");
michael@0: 
michael@0:   NS_ASSERTION(!mQuotaObject, "Creating quota object more than once?");
michael@0:   mQuotaObject = quotaManager->GetQuotaObject(mPersistenceType, mGroup, mOrigin,
michael@0:     FileStreamBase::mOpenParams.localFile);
michael@0: 
michael@0:   nsresult rv = FileStreamBase::DoOpen();
michael@0:   NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:   if (mQuotaObject && (FileStreamBase::mOpenParams.ioFlags & PR_TRUNCATE)) {
michael@0:     mQuotaObject->UpdateSize(0);
michael@0:   }
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: template <class FileStreamBase>
michael@0: NS_IMETHODIMP
michael@0: FileQuotaStreamWithWrite<FileStreamBase>::Write(const char* aBuf,
michael@0:                                                 uint32_t aCount,
michael@0:                                                 uint32_t* _retval)
michael@0: {
michael@0:   nsresult rv;
michael@0: 
michael@0:   if (FileQuotaStreamWithWrite::mQuotaObject) {
michael@0:     int64_t offset;
michael@0:     rv = FileStreamBase::Tell(&offset);
michael@0:     NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:     if (!FileQuotaStreamWithWrite::
michael@0:          mQuotaObject->MaybeAllocateMoreSpace(offset, aCount)) {
michael@0:       return NS_ERROR_FILE_NO_DEVICE_SPACE;
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   rv = FileStreamBase::Write(aBuf, aCount, _retval);
michael@0:   NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMPL_ISUPPORTS_INHERITED0(FileInputStream, nsFileInputStream)
michael@0: 
michael@0: already_AddRefed<FileInputStream>
michael@0: FileInputStream::Create(PersistenceType aPersistenceType,
michael@0:                         const nsACString& aGroup, const nsACString& aOrigin,
michael@0:                         nsIFile* aFile, int32_t aIOFlags, int32_t aPerm,
michael@0:                         int32_t aBehaviorFlags)
michael@0: {
michael@0:   nsRefPtr<FileInputStream> stream =
michael@0:     new FileInputStream(aPersistenceType, aGroup, aOrigin);
michael@0:   nsresult rv = stream->Init(aFile, aIOFlags, aPerm, aBehaviorFlags);
michael@0:   NS_ENSURE_SUCCESS(rv, nullptr);
michael@0:   return stream.forget();
michael@0: }
michael@0: 
michael@0: NS_IMPL_ISUPPORTS_INHERITED0(FileOutputStream, nsFileOutputStream)
michael@0: 
michael@0: already_AddRefed<FileOutputStream>
michael@0: FileOutputStream::Create(PersistenceType aPersistenceType,
michael@0:                          const nsACString& aGroup, const nsACString& aOrigin,
michael@0:                          nsIFile* aFile, int32_t aIOFlags, int32_t aPerm,
michael@0:                          int32_t aBehaviorFlags)
michael@0: {
michael@0:   nsRefPtr<FileOutputStream> stream =
michael@0:     new FileOutputStream(aPersistenceType, aGroup, aOrigin);
michael@0:   nsresult rv = stream->Init(aFile, aIOFlags, aPerm, aBehaviorFlags);
michael@0:   NS_ENSURE_SUCCESS(rv, nullptr);
michael@0:   return stream.forget();
michael@0: }
michael@0: 
michael@0: NS_IMPL_ISUPPORTS_INHERITED0(FileStream, nsFileStream)
michael@0: 
michael@0: already_AddRefed<FileStream>
michael@0: FileStream::Create(PersistenceType aPersistenceType, const nsACString& aGroup,
michael@0:                    const nsACString& aOrigin, nsIFile* aFile, int32_t aIOFlags,
michael@0:                    int32_t aPerm, int32_t aBehaviorFlags)
michael@0: {
michael@0:   nsRefPtr<FileStream> stream =
michael@0:     new FileStream(aPersistenceType, aGroup, aOrigin);
michael@0:   nsresult rv = stream->Init(aFile, aIOFlags, aPerm, aBehaviorFlags);
michael@0:   NS_ENSURE_SUCCESS(rv, nullptr);
michael@0:   return stream.forget();
michael@0: }