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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 "FileSystemDirectoryHandle.h"
#include "FileSystemDirectoryIteratorFactory.h"
#include "fs/FileSystemRequestHandler.h"
#include "js/StructuredClone.h"
#include "js/TypeDecls.h"
#include "mozilla/ErrorResult.h"
#include "mozilla/dom/FileSystemDirectoryHandleBinding.h"
#include "mozilla/dom/FileSystemHandleBinding.h"
#include "mozilla/dom/FileSystemLog.h"
#include "mozilla/dom/FileSystemManager.h"
#include "mozilla/dom/PFileSystemManager.h"
#include "mozilla/dom/Promise.h"
#include "mozilla/dom/StorageManager.h"
#include "nsJSUtils.h"
namespace mozilla::dom {
FileSystemDirectoryHandle::FileSystemDirectoryHandle(
nsIGlobalObject* aGlobal, RefPtr<FileSystemManager>& aManager,
const fs::FileSystemEntryMetadata& aMetadata,
fs::FileSystemRequestHandler* aRequestHandler)
: FileSystemHandle(aGlobal, aManager, aMetadata, aRequestHandler) {}
FileSystemDirectoryHandle::FileSystemDirectoryHandle(
nsIGlobalObject* aGlobal, RefPtr<FileSystemManager>& aManager,
const fs::FileSystemEntryMetadata& aMetadata)
: FileSystemDirectoryHandle(aGlobal, aManager, aMetadata,
new fs::FileSystemRequestHandler()) {}
NS_IMPL_ISUPPORTS_CYCLE_COLLECTION_INHERITED_0(FileSystemDirectoryHandle,
FileSystemHandle)
NS_IMPL_CYCLE_COLLECTION_INHERITED(FileSystemDirectoryHandle, FileSystemHandle)
// WebIDL Boilerplate
JSObject* FileSystemDirectoryHandle::WrapObject(
JSContext* aCx, JS::Handle<JSObject*> aGivenProto) {
return FileSystemDirectoryHandle_Binding::Wrap(aCx, this, aGivenProto);
}
// WebIDL Interface
FileSystemHandleKind FileSystemDirectoryHandle::Kind() const {
return FileSystemHandleKind::Directory;
}
void FileSystemDirectoryHandle::InitAsyncIteratorData(
IteratorData& aData, iterator_t::IteratorType aType, ErrorResult& aError) {
aData.mImpl =
fs::FileSystemDirectoryIteratorFactory::Create(mMetadata, aType);
}
already_AddRefed<Promise> FileSystemDirectoryHandle::GetNextIterationResult(
FileSystemDirectoryHandle::iterator_t* aIterator, ErrorResult& aError) {
LOG_VERBOSE(("GetNextIterationResult"));
return aIterator->Data().mImpl->Next(mGlobal, mManager, aError);
}
already_AddRefed<Promise> FileSystemDirectoryHandle::GetFileHandle(
const nsAString& aName, const FileSystemGetFileOptions& aOptions,
ErrorResult& aError) {
MOZ_ASSERT(!mMetadata.entryId().IsEmpty());
RefPtr<Promise> promise = Promise::Create(GetParentObject(), aError);
if (aError.Failed()) {
return nullptr;
}
fs::Name name(aName);
fs::FileSystemChildMetadata metadata(mMetadata.entryId(), name);
mRequestHandler->GetFileHandle(mManager, metadata, aOptions.mCreate, promise,
aError);
if (aError.Failed()) {
return nullptr;
}
return promise.forget();
}
already_AddRefed<Promise> FileSystemDirectoryHandle::GetDirectoryHandle(
const nsAString& aName, const FileSystemGetDirectoryOptions& aOptions,
ErrorResult& aError) {
MOZ_ASSERT(!mMetadata.entryId().IsEmpty());
RefPtr<Promise> promise = Promise::Create(GetParentObject(), aError);
if (aError.Failed()) {
return nullptr;
}
fs::Name name(aName);
fs::FileSystemChildMetadata metadata(mMetadata.entryId(), name);
mRequestHandler->GetDirectoryHandle(mManager, metadata, aOptions.mCreate,
promise, aError);
if (aError.Failed()) {
return nullptr;
}
return promise.forget();
}
already_AddRefed<Promise> FileSystemDirectoryHandle::RemoveEntry(
const nsAString& aName, const FileSystemRemoveOptions& aOptions,
ErrorResult& aError) {
MOZ_ASSERT(!mMetadata.entryId().IsEmpty());
RefPtr<Promise> promise = Promise::Create(GetParentObject(), aError);
if (aError.Failed()) {
return nullptr;
}
fs::Name name(aName);
fs::FileSystemChildMetadata metadata(mMetadata.entryId(), name);
mRequestHandler->RemoveEntry(mManager, metadata, aOptions.mRecursive, promise,
aError);
if (aError.Failed()) {
return nullptr;
}
return promise.forget();
}
already_AddRefed<Promise> FileSystemDirectoryHandle::Resolve(
FileSystemHandle& aPossibleDescendant, ErrorResult& aError) {
RefPtr<Promise> promise = Promise::Create(GetParentObject(), aError);
if (aError.Failed()) {
return nullptr;
}
LOG_VERBOSE(("Resolve"));
fs::FileSystemEntryPair pair(mMetadata.entryId(),
aPossibleDescendant.GetId());
mRequestHandler->Resolve(mManager, pair, promise, aError);
if (aError.Failed()) {
return nullptr;
}
return promise.forget();
}
// [Serializable] implementation
// static
already_AddRefed<FileSystemDirectoryHandle>
FileSystemDirectoryHandle::ReadStructuredClone(
JSContext* aCx, nsIGlobalObject* aGlobal,
JSStructuredCloneReader* aReader) {
uint32_t kind = static_cast<uint32_t>(FileSystemHandleKind::EndGuard_);
if (!JS_ReadBytes(aReader, reinterpret_cast<void*>(&kind),
sizeof(uint32_t))) {
return nullptr;
}
if (kind != static_cast<uint32_t>(FileSystemHandleKind::Directory)) {
return nullptr;
}
RefPtr<FileSystemDirectoryHandle> result =
FileSystemHandle::ConstructDirectoryHandle(aCx, aGlobal, aReader);
if (!result) {
return nullptr;
}
return result.forget();
}
} // namespace mozilla::dom
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