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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/dom/Directory.h"
#include "GetDirectoryListingTask.h"
#include "GetFilesTask.h"
#include "nsIFile.h"
#include "nsString.h"
#include "mozilla/dom/BlobImpl.h"
#include "mozilla/dom/DirectoryBinding.h"
#include "mozilla/dom/FileSystemBase.h"
#include "mozilla/dom/FileSystemUtils.h"
#include "mozilla/dom/OSFileSystem.h"
#include "mozilla/dom/WorkerPrivate.h"
namespace mozilla::dom {
NS_IMPL_CYCLE_COLLECTION_CLASS(Directory)
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(Directory)
if (tmp->mFileSystem) {
tmp->mFileSystem->Unlink();
tmp->mFileSystem = nullptr;
}
NS_IMPL_CYCLE_COLLECTION_UNLINK(mGlobal)
NS_IMPL_CYCLE_COLLECTION_UNLINK_PRESERVED_WRAPPER
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(Directory)
if (tmp->mFileSystem) {
tmp->mFileSystem->Traverse(cb);
}
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mGlobal)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTION_TRACE_WRAPPERCACHE(Directory)
NS_IMPL_CYCLE_COLLECTING_ADDREF(Directory)
NS_IMPL_CYCLE_COLLECTING_RELEASE(Directory)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(Directory)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
/* static */
already_AddRefed<Directory> Directory::Constructor(const GlobalObject& aGlobal,
const nsAString& aRealPath,
ErrorResult& aRv) {
nsCOMPtr<nsIFile> path;
aRv = NS_NewLocalFile(aRealPath, true, getter_AddRefs(path));
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());
if (NS_WARN_IF(!global)) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
return Create(global, path);
}
/* static */
already_AddRefed<Directory> Directory::Create(nsIGlobalObject* aGlobal,
nsIFile* aFile,
FileSystemBase* aFileSystem) {
MOZ_ASSERT(aGlobal);
MOZ_ASSERT(aFile);
RefPtr<Directory> directory = new Directory(aGlobal, aFile, aFileSystem);
return directory.forget();
}
Directory::Directory(nsIGlobalObject* aGlobal, nsIFile* aFile,
FileSystemBase* aFileSystem)
: mGlobal(aGlobal), mFile(aFile) {
MOZ_ASSERT(aFile);
// aFileSystem can be null. In this case we create a OSFileSystem when needed.
if (aFileSystem) {
// More likely, this is a OSFileSystem. This object keeps a reference of
// mGlobal but it's not cycle collectable and to avoid manual
// addref/release, it's better to have 1 object per directory. For this
// reason we clone it here.
mFileSystem = aFileSystem->Clone();
}
}
Directory::~Directory() = default;
nsIGlobalObject* Directory::GetParentObject() const { return mGlobal; }
JSObject* Directory::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return Directory_Binding::Wrap(aCx, this, aGivenProto);
}
void Directory::GetName(nsAString& aRetval, ErrorResult& aRv) {
aRetval.Truncate();
RefPtr<FileSystemBase> fs = GetFileSystem(aRv);
if (NS_WARN_IF(aRv.Failed())) {
return;
}
fs->GetDirectoryName(mFile, aRetval, aRv);
}
void Directory::GetPath(nsAString& aRetval, ErrorResult& aRv) {
// This operation is expensive. Better to cache the result.
if (mPath.IsEmpty()) {
RefPtr<FileSystemBase> fs = GetFileSystem(aRv);
if (NS_WARN_IF(aRv.Failed())) {
return;
}
fs->GetDOMPath(mFile, mPath, aRv);
if (NS_WARN_IF(aRv.Failed())) {
return;
}
}
aRetval = mPath;
}
nsresult Directory::GetFullRealPath(nsAString& aPath) {
nsresult rv = mFile->GetPath(aPath);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
return NS_OK;
}
already_AddRefed<Promise> Directory::GetFilesAndDirectories(ErrorResult& aRv) {
RefPtr<FileSystemBase> fs = GetFileSystem(aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
RefPtr<GetDirectoryListingTaskChild> task =
GetDirectoryListingTaskChild::Create(fs, this, mFile, mFilters, aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
task->Start();
return task->GetPromise();
}
already_AddRefed<Promise> Directory::GetFiles(bool aRecursiveFlag,
ErrorResult& aRv) {
ErrorResult rv;
RefPtr<FileSystemBase> fs = GetFileSystem(rv);
if (NS_WARN_IF(rv.Failed())) {
aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
return nullptr;
}
RefPtr<GetFilesTaskChild> task =
GetFilesTaskChild::Create(fs, this, mFile, aRecursiveFlag, rv);
if (NS_WARN_IF(rv.Failed())) {
aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
return nullptr;
}
task->Start();
return task->GetPromise();
}
void Directory::SetContentFilters(const nsAString& aFilters) {
mFilters = aFilters;
}
FileSystemBase* Directory::GetFileSystem(ErrorResult& aRv) {
if (!mFileSystem) {
nsAutoString path;
aRv = mFile->GetPath(path);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
RefPtr<OSFileSystem> fs = new OSFileSystem(path);
fs->Init(mGlobal);
mFileSystem = fs;
}
return mFileSystem;
}
} // namespace mozilla::dom
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