1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/filesystem/CreateDirectoryTask.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,141 @@
1.4 +/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
1.5 +/* vim: set ts=2 et sw=2 tw=80: */
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
1.8 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#include "CreateDirectoryTask.h"
1.11 +
1.12 +#include "DOMError.h"
1.13 +#include "mozilla/dom/Directory.h"
1.14 +#include "mozilla/dom/FileSystemBase.h"
1.15 +#include "mozilla/dom/FileSystemUtils.h"
1.16 +#include "mozilla/dom/Promise.h"
1.17 +#include "nsIFile.h"
1.18 +#include "nsStringGlue.h"
1.19 +
1.20 +namespace mozilla {
1.21 +namespace dom {
1.22 +
1.23 +CreateDirectoryTask::CreateDirectoryTask(FileSystemBase* aFileSystem,
1.24 + const nsAString& aPath)
1.25 + : FileSystemTaskBase(aFileSystem)
1.26 + , mTargetRealPath(aPath)
1.27 +{
1.28 + MOZ_ASSERT(NS_IsMainThread(), "Only call on main thread!");
1.29 + MOZ_ASSERT(aFileSystem);
1.30 + nsCOMPtr<nsIGlobalObject> globalObject =
1.31 + do_QueryInterface(aFileSystem->GetWindow());
1.32 + if (!globalObject) {
1.33 + return;
1.34 + }
1.35 + mPromise = new Promise(globalObject);
1.36 +}
1.37 +
1.38 +CreateDirectoryTask::CreateDirectoryTask(
1.39 + FileSystemBase* aFileSystem,
1.40 + const FileSystemCreateDirectoryParams& aParam,
1.41 + FileSystemRequestParent* aParent)
1.42 + : FileSystemTaskBase(aFileSystem, aParam, aParent)
1.43 +{
1.44 + MOZ_ASSERT(FileSystemUtils::IsParentProcess(),
1.45 + "Only call from parent process!");
1.46 + MOZ_ASSERT(NS_IsMainThread(), "Only call on main thread!");
1.47 + MOZ_ASSERT(aFileSystem);
1.48 + mTargetRealPath = aParam.realPath();
1.49 +}
1.50 +
1.51 +CreateDirectoryTask::~CreateDirectoryTask()
1.52 +{
1.53 + MOZ_ASSERT(!mPromise || NS_IsMainThread(),
1.54 + "mPromise should be released on main thread!");
1.55 +}
1.56 +
1.57 +already_AddRefed<Promise>
1.58 +CreateDirectoryTask::GetPromise()
1.59 +{
1.60 + MOZ_ASSERT(NS_IsMainThread(), "Only call on main thread!");
1.61 + return nsRefPtr<Promise>(mPromise).forget();
1.62 +}
1.63 +
1.64 +FileSystemParams
1.65 +CreateDirectoryTask::GetRequestParams(const nsString& aFileSystem) const
1.66 +{
1.67 + MOZ_ASSERT(NS_IsMainThread(), "Only call on main thread!");
1.68 + return FileSystemCreateDirectoryParams(aFileSystem, mTargetRealPath);
1.69 +}
1.70 +
1.71 +FileSystemResponseValue
1.72 +CreateDirectoryTask::GetSuccessRequestResult() const
1.73 +{
1.74 + MOZ_ASSERT(NS_IsMainThread(), "Only call on main thread!");
1.75 + return FileSystemDirectoryResponse(mTargetRealPath);
1.76 +}
1.77 +
1.78 +void
1.79 +CreateDirectoryTask::SetSuccessRequestResult(const FileSystemResponseValue& aValue)
1.80 +{
1.81 + MOZ_ASSERT(NS_IsMainThread(), "Only call on main thread!");
1.82 + FileSystemDirectoryResponse r = aValue;
1.83 + mTargetRealPath = r.realPath();
1.84 +}
1.85 +
1.86 +nsresult
1.87 +CreateDirectoryTask::Work()
1.88 +{
1.89 + MOZ_ASSERT(FileSystemUtils::IsParentProcess(),
1.90 + "Only call from parent process!");
1.91 + MOZ_ASSERT(!NS_IsMainThread(), "Only call on worker thread!");
1.92 +
1.93 + if (mFileSystem->IsShutdown()) {
1.94 + return NS_ERROR_FAILURE;
1.95 + }
1.96 +
1.97 + nsCOMPtr<nsIFile> file = mFileSystem->GetLocalFile(mTargetRealPath);
1.98 + if (!file) {
1.99 + return NS_ERROR_DOM_FILESYSTEM_INVALID_PATH_ERR;
1.100 + }
1.101 +
1.102 + bool fileExists;
1.103 + nsresult rv = file->Exists(&fileExists);
1.104 + if (NS_WARN_IF(NS_FAILED(rv))) {
1.105 + return rv;
1.106 + }
1.107 +
1.108 + if (fileExists) {
1.109 + return NS_ERROR_DOM_FILESYSTEM_PATH_EXISTS_ERR;
1.110 + }
1.111 +
1.112 + rv = file->Create(nsIFile::DIRECTORY_TYPE, 0770);
1.113 + return rv;
1.114 +}
1.115 +
1.116 +void
1.117 +CreateDirectoryTask::HandlerCallback()
1.118 +{
1.119 + MOZ_ASSERT(NS_IsMainThread(), "Only call on main thread!");
1.120 + if (mFileSystem->IsShutdown()) {
1.121 + mPromise = nullptr;
1.122 + return;
1.123 + }
1.124 +
1.125 + if (HasError()) {
1.126 + nsRefPtr<DOMError> domError = new DOMError(mFileSystem->GetWindow(),
1.127 + mErrorValue);
1.128 + mPromise->MaybeReject(domError);
1.129 + mPromise = nullptr;
1.130 + return;
1.131 + }
1.132 + nsRefPtr<Directory> dir = new Directory(mFileSystem, mTargetRealPath);
1.133 + mPromise->MaybeResolve(dir);
1.134 + mPromise = nullptr;
1.135 +}
1.136 +
1.137 +void
1.138 +CreateDirectoryTask::GetPermissionAccessType(nsCString& aAccess) const
1.139 +{
1.140 + aAccess.AssignLiteral("create");
1.141 +}
1.142 +
1.143 +} // namespace dom
1.144 +} // namespace mozilla
