mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
154 lines
3.9 KiB
C++
154 lines
3.9 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "IDBMutableFile.h"
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#include "mozilla/dom/File.h"
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#include "mozilla/dom/IDBMutableFileBinding.h"
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#include "mozilla/dom/quota/FileStreams.h"
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#include "mozilla/dom/quota/QuotaManager.h"
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#include "IDBDatabase.h"
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USING_INDEXEDDB_NAMESPACE
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USING_QUOTA_NAMESPACE
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namespace {
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inline
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already_AddRefed<nsIFile>
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GetFileFor(FileInfo* aFileInfo)
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{
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FileManager* fileManager = aFileInfo->Manager();
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nsCOMPtr<nsIFile> directory = fileManager->GetDirectory();
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NS_ENSURE_TRUE(directory, nullptr);
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nsCOMPtr<nsIFile> file = fileManager->GetFileForId(directory,
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aFileInfo->Id());
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NS_ENSURE_TRUE(file, nullptr);
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return file.forget();
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}
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} // anonymous namespace
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IDBMutableFile::IDBMutableFile(IDBDatabase* aOwner)
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: MutableFile(aOwner)
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{
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}
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NS_IMPL_CYCLE_COLLECTION_INHERITED(IDBMutableFile, MutableFile, mDatabase)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(IDBMutableFile)
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NS_INTERFACE_MAP_END_INHERITING(MutableFile)
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NS_IMPL_ADDREF_INHERITED(IDBMutableFile, MutableFile)
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NS_IMPL_RELEASE_INHERITED(IDBMutableFile, MutableFile)
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// static
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already_AddRefed<IDBMutableFile>
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IDBMutableFile::Create(const nsAString& aName,
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const nsAString& aType,
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IDBDatabase* aDatabase,
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already_AddRefed<FileInfo> aFileInfo)
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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nsRefPtr<FileInfo> fileInfo(aFileInfo);
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NS_ASSERTION(fileInfo, "Null pointer!");
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nsRefPtr<IDBMutableFile> newFile = new IDBMutableFile(aDatabase);
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newFile->mName = aName;
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newFile->mType = aType;
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newFile->mFile = GetFileFor(fileInfo);
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NS_ENSURE_TRUE(newFile->mFile, nullptr);
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newFile->mStorageId = aDatabase->Id();
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newFile->mFileName.AppendInt(fileInfo->Id());
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newFile->mDatabase = aDatabase;
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fileInfo.swap(newFile->mFileInfo);
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return newFile.forget();
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}
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bool
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IDBMutableFile::IsShuttingDown()
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{
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return QuotaManager::IsShuttingDown() || MutableFile::IsShuttingDown();
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}
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bool
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IDBMutableFile::IsInvalid()
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{
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return mDatabase->IsInvalidated();
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}
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nsIOfflineStorage*
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IDBMutableFile::Storage()
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{
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return mDatabase;
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}
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already_AddRefed<nsISupports>
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IDBMutableFile::CreateStream(nsIFile* aFile, bool aReadOnly)
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{
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PersistenceType persistenceType = mDatabase->Type();
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const nsACString& group = mDatabase->Group();
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const nsACString& origin = mDatabase->Origin();
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nsCOMPtr<nsISupports> result;
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if (aReadOnly) {
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nsRefPtr<FileInputStream> stream =
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FileInputStream::Create(persistenceType, group, origin, aFile, -1, -1,
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nsIFileInputStream::DEFER_OPEN);
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result = NS_ISUPPORTS_CAST(nsIFileInputStream*, stream);
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}
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else {
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nsRefPtr<FileStream> stream =
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FileStream::Create(persistenceType, group, origin, aFile, -1, -1,
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nsIFileStream::DEFER_OPEN);
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result = NS_ISUPPORTS_CAST(nsIFileStream*, stream);
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}
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NS_ENSURE_TRUE(result, nullptr);
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return result.forget();
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}
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void
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IDBMutableFile::SetThreadLocals()
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{
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MOZ_ASSERT(mDatabase->GetOwner(), "Should have owner!");
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QuotaManager::SetCurrentWindow(mDatabase->GetOwner());
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}
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void
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IDBMutableFile::UnsetThreadLocals()
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{
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QuotaManager::SetCurrentWindow(nullptr);
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}
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already_AddRefed<nsIDOMFile>
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IDBMutableFile::CreateFileObject(mozilla::dom::FileHandle* aFileHandle,
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uint32_t aFileSize)
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{
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nsCOMPtr<nsIDOMFile> file = new DOMFile(
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new FileImpl(mName, mType, aFileSize, mFile, aFileHandle, mFileInfo));
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return file.forget();
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}
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// virtual
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JSObject*
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IDBMutableFile::WrapObject(JSContext* aCx)
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{
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return IDBMutableFileBinding::Wrap(aCx, this);
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}
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