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/* -*- 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/. */
#include "FileInfo.h"
USING_INDEXEDDB_NAMESPACE
// static
FileInfo*
FileInfo::Create(FileManager* aFileManager, int64_t aId)
{
NS_ASSERTION(aId > 0, "Wrong id!");
if (aId <= INT16_MAX) {
return new FileInfo16(aFileManager, aId);
}
if (aId <= INT32_MAX) {
return new FileInfo32(aFileManager, aId);
}
return new FileInfo64(aFileManager, aId);
}
void
FileInfo::GetReferences(int32_t* aRefCnt, int32_t* aDBRefCnt,
int32_t* aSliceRefCnt)
{
if (IndexedDatabaseManager::IsClosed()) {
NS_ERROR("Shouldn't be called after shutdown!");
if (aRefCnt) {
*aRefCnt = -1;
}
if (aDBRefCnt) {
*aDBRefCnt = -1;
}
if (aSliceRefCnt) {
*aSliceRefCnt = -1;
}
return;
}
MutexAutoLock lock(IndexedDatabaseManager::FileMutex());
if (aRefCnt) {
*aRefCnt = mRefCnt;
}
if (aDBRefCnt) {
*aDBRefCnt = mDBRefCnt;
}
if (aSliceRefCnt) {
*aSliceRefCnt = mSliceRefCnt;
}
}
void
FileInfo::UpdateReferences(nsAutoRefCnt& aRefCount, int32_t aDelta,
bool aClear)
{
if (IndexedDatabaseManager::IsClosed()) {
NS_ERROR("Shouldn't be called after shutdown!");
return;
}
{
MutexAutoLock lock(IndexedDatabaseManager::FileMutex());
aRefCount = aClear ? 0 : aRefCount + aDelta;
if (mRefCnt + mDBRefCnt + mSliceRefCnt > 0) {
return;
}
mFileManager->mFileInfos.Remove(Id());
}
Cleanup();
delete this;
}
void
FileInfo::Cleanup()
{
if (IndexedDatabaseManager::IsShuttingDown() ||
mFileManager->Invalidated()) {
return;
}
nsRefPtr<IndexedDatabaseManager> mgr = IndexedDatabaseManager::Get();
NS_ASSERTION(mgr, "Shouldn't be null!");
if (NS_FAILED(mgr->AsyncDeleteFile(mFileManager, Id()))) {
NS_WARNING("Failed to delete file asynchronously!");
}
}
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