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dom/filesystem/CreateDirectoryTask.cpp@7e26c7da4463 (annotated)

dom/filesystem/CreateDirectoryTask.cpp

Wed, 31 Dec 2014 06:55:50 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Wed, 31 Dec 2014 06:55:50 +0100

changeset 2

7e26c7da4463

permissions

-rw-r--r--

Added tag UPSTREAM_283F7C6 for changeset ca08bd8f51b2

michael@0	1	/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
michael@0	2	/* vim: set ts=2 et sw=2 tw=80: */
michael@0	3	/* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	4	* License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0	5	* You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	6
michael@0	7	#include "CreateDirectoryTask.h"
michael@0	8
michael@0	9	#include "DOMError.h"
michael@0	10	#include "mozilla/dom/Directory.h"
michael@0	11	#include "mozilla/dom/FileSystemBase.h"
michael@0	12	#include "mozilla/dom/FileSystemUtils.h"
michael@0	13	#include "mozilla/dom/Promise.h"
michael@0	14	#include "nsIFile.h"
michael@0	15	#include "nsStringGlue.h"
michael@0	16
michael@0	17	namespace mozilla {
michael@0	18	namespace dom {
michael@0	19
michael@0	20	CreateDirectoryTask::CreateDirectoryTask(FileSystemBase* aFileSystem,
michael@0	21	const nsAString& aPath)
michael@0	22	: FileSystemTaskBase(aFileSystem)
michael@0	23	, mTargetRealPath(aPath)
michael@0	24	{
michael@0	25	MOZ_ASSERT(NS_IsMainThread(), "Only call on main thread!");
michael@0	26	MOZ_ASSERT(aFileSystem);
michael@0	27	nsCOMPtr<nsIGlobalObject> globalObject =
michael@0	28	do_QueryInterface(aFileSystem->GetWindow());
michael@0	29	if (!globalObject) {
michael@0	30	return;
michael@0	31	}
michael@0	32	mPromise = new Promise(globalObject);
michael@0	33	}
michael@0	34
michael@0	35	CreateDirectoryTask::CreateDirectoryTask(
michael@0	36	FileSystemBase* aFileSystem,
michael@0	37	const FileSystemCreateDirectoryParams& aParam,
michael@0	38	FileSystemRequestParent* aParent)
michael@0	39	: FileSystemTaskBase(aFileSystem, aParam, aParent)
michael@0	40	{
michael@0	41	MOZ_ASSERT(FileSystemUtils::IsParentProcess(),
michael@0	42	"Only call from parent process!");
michael@0	43	MOZ_ASSERT(NS_IsMainThread(), "Only call on main thread!");
michael@0	44	MOZ_ASSERT(aFileSystem);
michael@0	45	mTargetRealPath = aParam.realPath();
michael@0	46	}
michael@0	47
michael@0	48	CreateDirectoryTask::~CreateDirectoryTask()
michael@0	49	{
michael@0	50	MOZ_ASSERT(!mPromise || NS_IsMainThread(),
michael@0	51	"mPromise should be released on main thread!");
michael@0	52	}
michael@0	53
michael@0	54	already_AddRefed<Promise>
michael@0	55	CreateDirectoryTask::GetPromise()
michael@0	56	{
michael@0	57	MOZ_ASSERT(NS_IsMainThread(), "Only call on main thread!");
michael@0	58	return nsRefPtr<Promise>(mPromise).forget();
michael@0	59	}
michael@0	60
michael@0	61	FileSystemParams
michael@0	62	CreateDirectoryTask::GetRequestParams(const nsString& aFileSystem) const
michael@0	63	{
michael@0	64	MOZ_ASSERT(NS_IsMainThread(), "Only call on main thread!");
michael@0	65	return FileSystemCreateDirectoryParams(aFileSystem, mTargetRealPath);
michael@0	66	}
michael@0	67
michael@0	68	FileSystemResponseValue
michael@0	69	CreateDirectoryTask::GetSuccessRequestResult() const
michael@0	70	{
michael@0	71	MOZ_ASSERT(NS_IsMainThread(), "Only call on main thread!");
michael@0	72	return FileSystemDirectoryResponse(mTargetRealPath);
michael@0	73	}
michael@0	74
michael@0	75	void
michael@0	76	CreateDirectoryTask::SetSuccessRequestResult(const FileSystemResponseValue& aValue)
michael@0	77	{
michael@0	78	MOZ_ASSERT(NS_IsMainThread(), "Only call on main thread!");
michael@0	79	FileSystemDirectoryResponse r = aValue;
michael@0	80	mTargetRealPath = r.realPath();
michael@0	81	}
michael@0	82
michael@0	83	nsresult
michael@0	84	CreateDirectoryTask::Work()
michael@0	85	{
michael@0	86	MOZ_ASSERT(FileSystemUtils::IsParentProcess(),
michael@0	87	"Only call from parent process!");
michael@0	88	MOZ_ASSERT(!NS_IsMainThread(), "Only call on worker thread!");
michael@0	89
michael@0	90	if (mFileSystem->IsShutdown()) {
michael@0	91	return NS_ERROR_FAILURE;
michael@0	92	}
michael@0	93
michael@0	94	nsCOMPtr<nsIFile> file = mFileSystem->GetLocalFile(mTargetRealPath);
michael@0	95	if (!file) {
michael@0	96	return NS_ERROR_DOM_FILESYSTEM_INVALID_PATH_ERR;
michael@0	97	}
michael@0	98
michael@0	99	bool fileExists;
michael@0	100	nsresult rv = file->Exists(&fileExists);
michael@0	101	if (NS_WARN_IF(NS_FAILED(rv))) {
michael@0	102	return rv;
michael@0	103	}
michael@0	104
michael@0	105	if (fileExists) {
michael@0	106	return NS_ERROR_DOM_FILESYSTEM_PATH_EXISTS_ERR;
michael@0	107	}
michael@0	108
michael@0	109	rv = file->Create(nsIFile::DIRECTORY_TYPE, 0770);
michael@0	110	return rv;
michael@0	111	}
michael@0	112
michael@0	113	void
michael@0	114	CreateDirectoryTask::HandlerCallback()
michael@0	115	{
michael@0	116	MOZ_ASSERT(NS_IsMainThread(), "Only call on main thread!");
michael@0	117	if (mFileSystem->IsShutdown()) {
michael@0	118	mPromise = nullptr;
michael@0	119	return;
michael@0	120	}
michael@0	121
michael@0	122	if (HasError()) {
michael@0	123	nsRefPtr<DOMError> domError = new DOMError(mFileSystem->GetWindow(),
michael@0	124	mErrorValue);
michael@0	125	mPromise->MaybeReject(domError);
michael@0	126	mPromise = nullptr;
michael@0	127	return;
michael@0	128	}
michael@0	129	nsRefPtr<Directory> dir = new Directory(mFileSystem, mTargetRealPath);
michael@0	130	mPromise->MaybeResolve(dir);
michael@0	131	mPromise = nullptr;
michael@0	132	}
michael@0	133
michael@0	134	void
michael@0	135	CreateDirectoryTask::GetPermissionAccessType(nsCString& aAccess) const
michael@0	136	{
michael@0	137	aAccess.AssignLiteral("create");
michael@0	138	}
michael@0	139
michael@0	140	} // namespace dom
michael@0	141	} // namespace mozilla