mirror of
https://github.com/mozilla/gecko-dev.git
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141 lines
3.7 KiB
C++
141 lines
3.7 KiB
C++
/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
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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 "CreateDirectoryTask.h"
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#include "DOMError.h"
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#include "mozilla/dom/Directory.h"
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#include "mozilla/dom/FileSystemBase.h"
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#include "mozilla/dom/FileSystemUtils.h"
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#include "mozilla/dom/Promise.h"
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#include "nsIFile.h"
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#include "nsStringGlue.h"
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namespace mozilla {
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namespace dom {
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CreateDirectoryTask::CreateDirectoryTask(FileSystemBase* aFileSystem,
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const nsAString& aPath)
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: FileSystemTaskBase(aFileSystem)
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, mTargetRealPath(aPath)
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{
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MOZ_ASSERT(NS_IsMainThread(), "Only call on main thread!");
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if (!aFileSystem) {
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return;
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}
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nsCOMPtr<nsIGlobalObject> globalObject =
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do_QueryInterface(aFileSystem->GetWindow());
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if (!globalObject) {
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return;
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}
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mPromise = new Promise(globalObject);
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}
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CreateDirectoryTask::CreateDirectoryTask(
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FileSystemBase* aFileSystem,
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const FileSystemCreateDirectoryParams& aParam,
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FileSystemRequestParent* aParent)
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: FileSystemTaskBase(aFileSystem, aParam, aParent)
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{
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MOZ_ASSERT(FileSystemUtils::IsParentProcess(),
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"Only call from parent process!");
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MOZ_ASSERT(NS_IsMainThread(), "Only call on main thread!");
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mTargetRealPath = aParam.realPath();
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}
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CreateDirectoryTask::~CreateDirectoryTask()
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{
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MOZ_ASSERT(NS_IsMainThread(), "Only call on main thread!");
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}
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already_AddRefed<Promise>
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CreateDirectoryTask::GetPromise()
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{
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MOZ_ASSERT(NS_IsMainThread(), "Only call on main thread!");
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return nsRefPtr<Promise>(mPromise).forget();
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}
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FileSystemParams
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CreateDirectoryTask::GetRequestParams(const nsString& aFileSystem) const
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{
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MOZ_ASSERT(NS_IsMainThread(), "Only call on main thread!");
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return FileSystemCreateDirectoryParams(aFileSystem, mTargetRealPath);
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}
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FileSystemResponseValue
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CreateDirectoryTask::GetSuccessRequestResult() const
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{
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MOZ_ASSERT(NS_IsMainThread(), "Only call on main thread!");
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return FileSystemDirectoryResponse(mTargetRealPath);
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}
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void
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CreateDirectoryTask::SetSuccessRequestResult(const FileSystemResponseValue& aValue)
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{
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MOZ_ASSERT(NS_IsMainThread(), "Only call on main thread!");
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FileSystemDirectoryResponse r = aValue;
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mTargetRealPath = r.realPath();
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}
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void
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CreateDirectoryTask::Work()
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{
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MOZ_ASSERT(FileSystemUtils::IsParentProcess(),
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"Only call from parent process!");
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MOZ_ASSERT(!NS_IsMainThread(), "Only call on worker thread!");
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nsRefPtr<FileSystemBase> filesystem = do_QueryReferent(mFileSystem);
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if (!filesystem) {
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return;
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}
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nsCOMPtr<nsIFile> file = filesystem->GetLocalFile(mTargetRealPath);
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if (!file) {
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SetError(NS_ERROR_DOM_FILESYSTEM_INVALID_PATH_ERR);
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return;
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}
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bool ret;
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nsresult rv = file->Exists(&ret);
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if (NS_FAILED(rv)) {
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SetError(rv);
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return;
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}
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if (ret) {
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SetError(NS_ERROR_DOM_FILESYSTEM_PATH_EXISTS_ERR);
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return;
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}
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rv = file->Create(nsIFile::DIRECTORY_TYPE, 0777);
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if (NS_FAILED(rv)) {
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SetError(rv);
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return;
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}
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}
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void
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CreateDirectoryTask::HandlerCallback()
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{
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MOZ_ASSERT(NS_IsMainThread(), "Only call on main thread!");
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nsRefPtr<FileSystemBase> filesystem = do_QueryReferent(mFileSystem);
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if (!filesystem) {
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return;
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}
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if (HasError()) {
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nsRefPtr<DOMError> domError = new DOMError(filesystem->GetWindow(),
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mErrorValue);
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mPromise->MaybeReject(domError);
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return;
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}
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nsRefPtr<Directory> dir = new Directory(filesystem, mTargetRealPath);
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mPromise->MaybeResolve(dir);
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}
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} // namespace dom
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} // namespace mozilla
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