mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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119 lines
3.1 KiB
C++
119 lines
3.1 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 "IDBFileHandle.h"
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#include "mozilla/dom/file/File.h"
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#include "mozilla/dom/IDBFileHandleBinding.h"
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#include "mozilla/dom/quota/FileStreams.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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// virtual
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JSObject*
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IDBFileHandle::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aScope)
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{
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return IDBFileHandleBinding::Wrap(aCx, aScope, this);
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}
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// static
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already_AddRefed<IDBFileHandle>
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IDBFileHandle::Create(IDBDatabase* aDatabase,
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const nsAString& aName,
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const nsAString& aType,
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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<IDBFileHandle> newFile = new IDBFileHandle();
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newFile->BindToOwner(aDatabase);
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newFile->mFileStorage = 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->mFileName.AppendInt(fileInfo->Id());
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fileInfo.swap(newFile->mFileInfo);
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return newFile.forget();
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}
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already_AddRefed<nsISupports>
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IDBFileHandle::CreateStream(nsIFile* aFile, bool aReadOnly)
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{
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nsCOMPtr<nsIOfflineStorage> storage = do_QueryInterface(mFileStorage);
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NS_ASSERTION(storage, "This should always succeed!");
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const nsACString& origin = storage->Origin();
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nsCOMPtr<nsISupports> result;
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if (aReadOnly) {
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nsRefPtr<FileInputStream> stream = FileInputStream::Create(
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origin, aFile, -1, -1, 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 = FileStream::Create(
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origin, aFile, -1, -1, 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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already_AddRefed<nsIDOMFile>
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IDBFileHandle::CreateFileObject(mozilla::dom::file::LockedFile* aLockedFile,
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uint32_t aFileSize)
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{
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nsCOMPtr<nsIDOMFile> file = new mozilla::dom::file::File(
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mName, mType, aFileSize, mFile, aLockedFile, mFileInfo);
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return file.forget();
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}
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IDBDatabase*
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IDBFileHandle::Database()
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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IDBDatabase* database = static_cast<IDBDatabase*>(mFileStorage.get());
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MOZ_ASSERT(database);
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return database;
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}
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