forked from mirrors/gecko-dev
308 lines
8.7 KiB
C++
308 lines
8.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode:nil; c-basic-offset: 2 -*- */
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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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsWinTaskScheduler.h"
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#include <windows.h>
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#include <comdef.h>
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#include <taskschd.h>
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#include "nsString.h"
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#include "mozilla/RefPtr.h"
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#include "mozilla/ResultVariant.h"
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using namespace mozilla;
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struct SysFreeStringDeleter {
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void operator()(BSTR aPtr) { ::SysFreeString(aPtr); }
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};
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using BStrPtr = mozilla::UniquePtr<OLECHAR, SysFreeStringDeleter>;
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static nsresult ToNotFoundOrFailure(HRESULT hr) {
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if (hr == HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND)) {
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return NS_ERROR_FILE_NOT_FOUND;
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} else {
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return NS_ERROR_FAILURE;
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}
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}
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static nsresult ToAlreadyExistsOrFailure(HRESULT hr) {
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if (hr == HRESULT_FROM_WIN32(ERROR_ALREADY_EXISTS)) {
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return NS_ERROR_FILE_ALREADY_EXISTS;
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} else {
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return NS_ERROR_FAILURE;
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}
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}
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[[nodiscard]] static Result<RefPtr<ITaskFolder>, HRESULT> GetTaskFolder(
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const char16_t* aFolderName) {
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HRESULT hr;
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RefPtr<ITaskService> scheduler = nullptr;
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hr = CoCreateInstance(CLSID_TaskScheduler, nullptr, CLSCTX_INPROC_SERVER,
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IID_ITaskService, getter_AddRefs(scheduler));
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if (FAILED(hr)) {
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return Err(hr);
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}
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// Connect to the local Task Scheduler.
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hr = scheduler->Connect(VARIANT{}, VARIANT{}, VARIANT{}, VARIANT{});
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if (FAILED(hr)) {
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return Err(hr);
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}
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BStrPtr bstrFolderName =
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BStrPtr(::SysAllocString(reinterpret_cast<const OLECHAR*>(aFolderName)));
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RefPtr<ITaskFolder> folder = nullptr;
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hr = scheduler->GetFolder(bstrFolderName.get(), getter_AddRefs(folder));
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if (FAILED(hr)) {
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return Err(hr);
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}
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return folder;
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}
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[[nodiscard]] static Result<RefPtr<IRegisteredTask>, HRESULT> GetRegisteredTask(
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const char16_t* aFolderName, const char16_t* aTaskName) {
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auto folder = GetTaskFolder(aFolderName);
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if (!folder.isOk()) {
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return Err(folder.unwrapErr());
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}
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BStrPtr bstrTaskName =
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BStrPtr(::SysAllocString(reinterpret_cast<const OLECHAR*>(aTaskName)));
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RefPtr<IRegisteredTask> task = nullptr;
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HRESULT hr =
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folder.unwrap()->GetTask(bstrTaskName.get(), getter_AddRefs(task));
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if (FAILED(hr)) {
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return Err(hr);
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}
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return task;
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}
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NS_IMPL_ISUPPORTS(nsWinTaskSchedulerService, nsIWinTaskSchedulerService)
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NS_IMETHODIMP
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nsWinTaskSchedulerService::GetTaskXML(const char16_t* aFolderName,
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const char16_t* aTaskName,
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nsAString& aResult) {
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if (!aFolderName || !aTaskName) {
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return NS_ERROR_NULL_POINTER;
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}
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auto task = GetRegisteredTask(aFolderName, aTaskName);
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if (!task.isOk()) {
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return ToNotFoundOrFailure(task.unwrapErr());
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}
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{
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BSTR bstrXml = nullptr;
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if (FAILED(task.unwrap()->get_Xml(&bstrXml))) {
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return NS_ERROR_FAILURE;
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}
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aResult.Assign(bstrXml, ::SysStringLen(bstrXml));
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::SysFreeString(bstrXml);
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsWinTaskSchedulerService::RegisterTask(const char16_t* aFolderName,
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const char16_t* aTaskName,
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const char16_t* aDefinitionXML,
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bool aUpdateExisting) {
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if (!aFolderName || !aTaskName || !aDefinitionXML) {
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return NS_ERROR_NULL_POINTER;
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}
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auto folder = GetTaskFolder(aFolderName);
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if (!folder.isOk()) {
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return ToNotFoundOrFailure(folder.unwrapErr());
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}
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BStrPtr bstrTaskName =
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BStrPtr(::SysAllocString(reinterpret_cast<const OLECHAR*>(aTaskName)));
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BStrPtr bstrXml = BStrPtr(
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::SysAllocString(reinterpret_cast<const OLECHAR*>(aDefinitionXML)));
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LONG flags = aUpdateExisting ? TASK_CREATE_OR_UPDATE : TASK_CREATE;
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TASK_LOGON_TYPE logonType = TASK_LOGON_INTERACTIVE_TOKEN;
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// The outparam is not needed, but not documented as optional.
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RefPtr<IRegisteredTask> unusedTaskOutput = nullptr;
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HRESULT hr = folder.unwrap()->RegisterTask(
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bstrTaskName.get(), bstrXml.get(), flags, VARIANT{} /* userId */,
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VARIANT{} /* password */, logonType, VARIANT{} /* sddl */,
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getter_AddRefs(unusedTaskOutput));
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if (FAILED(hr)) {
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return ToAlreadyExistsOrFailure(hr);
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsWinTaskSchedulerService::ValidateTaskDefinition(
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const char16_t* aDefinitionXML, int32_t* aResult) {
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if (!aDefinitionXML) {
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return NS_ERROR_NULL_POINTER;
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}
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auto folder = GetTaskFolder(reinterpret_cast<const char16_t*>(L"\\"));
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if (!folder.isOk()) {
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return NS_ERROR_FAILURE;
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}
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BStrPtr bstrXml = BStrPtr(
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::SysAllocString(reinterpret_cast<const OLECHAR*>(aDefinitionXML)));
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LONG flags = TASK_VALIDATE_ONLY;
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TASK_LOGON_TYPE logonType = TASK_LOGON_INTERACTIVE_TOKEN;
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// The outparam is not needed, but not documented as optional.
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RefPtr<IRegisteredTask> unusedTaskOutput = nullptr;
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HRESULT hr = folder.unwrap()->RegisterTask(
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nullptr /* path */, bstrXml.get(), flags, VARIANT{} /* userId */,
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VARIANT{} /* password */, logonType, VARIANT{} /* sddl */,
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getter_AddRefs(unusedTaskOutput));
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if (aResult) {
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*aResult = hr;
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsWinTaskSchedulerService::DeleteTask(const char16_t* aFolderName,
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const char16_t* aTaskName) {
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if (!aFolderName || !aTaskName) {
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return NS_ERROR_NULL_POINTER;
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}
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auto folder = GetTaskFolder(aFolderName);
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if (!folder.isOk()) {
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return ToNotFoundOrFailure(folder.unwrapErr());
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}
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BStrPtr bstrTaskName =
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BStrPtr(::SysAllocString(reinterpret_cast<const OLECHAR*>(aTaskName)));
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HRESULT hr = folder.unwrap()->DeleteTask(bstrTaskName.get(), 0 /* flags */);
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if (FAILED(hr)) {
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return ToNotFoundOrFailure(hr);
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsWinTaskSchedulerService::GetFolderTasks(const char16_t* aFolderName,
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nsTArray<nsString>& aResult) {
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if (!aFolderName) {
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return NS_ERROR_NULL_POINTER;
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}
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auto folder = GetTaskFolder(aFolderName);
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if (!folder.isOk()) {
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return ToNotFoundOrFailure(folder.unwrapErr());
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}
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RefPtr<IRegisteredTaskCollection> taskCollection = nullptr;
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if (FAILED(folder.unwrap()->GetTasks(TASK_ENUM_HIDDEN,
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getter_AddRefs(taskCollection)))) {
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return NS_ERROR_FAILURE;
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}
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LONG taskCount = 0;
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if (FAILED(taskCollection->get_Count(&taskCount))) {
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return NS_ERROR_FAILURE;
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}
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aResult.Clear();
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for (LONG i = 0; i < taskCount; ++i) {
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RefPtr<IRegisteredTask> task = nullptr;
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// nb: Collections are indexed from 1.
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if (FAILED(taskCollection->get_Item(_variant_t(i + 1),
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getter_AddRefs(task)))) {
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return NS_ERROR_FAILURE;
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}
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BStrPtr bstrTaskName;
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{
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BSTR tempTaskName = nullptr;
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if (FAILED(task->get_Name(&tempTaskName))) {
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return NS_ERROR_FAILURE;
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}
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bstrTaskName = BStrPtr(tempTaskName);
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}
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aResult.AppendElement(nsString(bstrTaskName.get()));
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsWinTaskSchedulerService::CreateFolder(const char16_t* aParentFolderName,
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const char16_t* aSubFolderName) {
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if (!aParentFolderName || !aSubFolderName) {
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return NS_ERROR_NULL_POINTER;
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}
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auto parentFolder = GetTaskFolder(aParentFolderName);
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if (!parentFolder.isOk()) {
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return ToNotFoundOrFailure(parentFolder.unwrapErr());
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}
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BStrPtr bstrSubFolderName = BStrPtr(
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::SysAllocString(reinterpret_cast<const OLECHAR*>(aSubFolderName)));
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HRESULT hr = parentFolder.unwrap()->CreateFolder(bstrSubFolderName.get(),
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VARIANT{}, // sddl
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nullptr); // ppFolder
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if (FAILED(hr)) {
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return ToAlreadyExistsOrFailure(hr);
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsWinTaskSchedulerService::DeleteFolder(const char16_t* aParentFolderName,
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const char16_t* aSubFolderName) {
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if (!aParentFolderName || !aSubFolderName) {
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return NS_ERROR_NULL_POINTER;
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}
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auto parentFolder = GetTaskFolder(aParentFolderName);
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if (!parentFolder.isOk()) {
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return ToNotFoundOrFailure(parentFolder.unwrapErr());
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}
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BStrPtr bstrSubFolderName = BStrPtr(
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::SysAllocString(reinterpret_cast<const OLECHAR*>(aSubFolderName)));
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HRESULT hr = parentFolder.unwrap()->DeleteFolder(bstrSubFolderName.get(),
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0 /* flags */);
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if (FAILED(hr)) {
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if (hr == HRESULT_FROM_WIN32(ERROR_DIR_NOT_EMPTY)) {
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return NS_ERROR_FILE_DIR_NOT_EMPTY;
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} else {
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return ToNotFoundOrFailure(hr);
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}
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}
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return NS_OK;
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}
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