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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 "FileSystemFileHandle.h"
#include "fs/FileSystemRequestHandler.h"
#include "js/StructuredClone.h"
#include "js/TypeDecls.h"
#include "mozilla/ErrorResult.h"
#include "mozilla/dom/FileSystemFileHandleBinding.h"
#include "mozilla/dom/FileSystemHandleBinding.h"
#include "mozilla/dom/FileSystemManager.h"
#include "mozilla/dom/PFileSystemManager.h"
#include "mozilla/dom/Promise.h"
namespace mozilla::dom {
NS_IMPL_ISUPPORTS_CYCLE_COLLECTION_INHERITED_0(FileSystemFileHandle,
FileSystemHandle)
NS_IMPL_CYCLE_COLLECTION_INHERITED(FileSystemFileHandle, FileSystemHandle)
FileSystemFileHandle::FileSystemFileHandle(
nsIGlobalObject* aGlobal, RefPtr<FileSystemManager>& aManager,
const fs::FileSystemEntryMetadata& aMetadata,
fs::FileSystemRequestHandler* aRequestHandler)
: FileSystemHandle(aGlobal, aManager, aMetadata, aRequestHandler) {}
FileSystemFileHandle::FileSystemFileHandle(
nsIGlobalObject* aGlobal, RefPtr<FileSystemManager>& aManager,
const fs::FileSystemEntryMetadata& aMetadata)
: FileSystemFileHandle(aGlobal, aManager, aMetadata,
new fs::FileSystemRequestHandler()) {}
// WebIDL Boilerplate
JSObject* FileSystemFileHandle::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return FileSystemFileHandle_Binding::Wrap(aCx, this, aGivenProto);
}
// WebIDL Interface
FileSystemHandleKind FileSystemFileHandle::Kind() const {
return FileSystemHandleKind::File;
}
already_AddRefed<Promise> FileSystemFileHandle::GetFile(ErrorResult& aError) {
RefPtr<Promise> promise = Promise::Create(GetParentObject(), aError);
if (aError.Failed()) {
return nullptr;
}
mRequestHandler->GetFile(mManager, mMetadata, promise, aError);
if (aError.Failed()) {
return nullptr;
}
return promise.forget();
}
already_AddRefed<Promise> FileSystemFileHandle::CreateWritable(
const FileSystemCreateWritableOptions& aOptions, ErrorResult& aError) {
RefPtr<Promise> promise = Promise::Create(GetParentObject(), aError);
if (aError.Failed()) {
return nullptr;
}
mRequestHandler->GetWritable(mManager, mMetadata, aOptions.mKeepExistingData,
promise, aError);
if (aError.Failed()) {
return nullptr;
}
return promise.forget();
}
already_AddRefed<Promise> FileSystemFileHandle::CreateSyncAccessHandle(
ErrorResult& aError) {
RefPtr<Promise> promise = Promise::Create(GetParentObject(), aError);
if (aError.Failed()) {
return nullptr;
}
mRequestHandler->GetAccessHandle(mManager, mMetadata, promise, aError);
if (aError.Failed()) {
return nullptr;
}
return promise.forget();
}
// [Serializable] implementation
// static
already_AddRefed<FileSystemFileHandle>
FileSystemFileHandle::ReadStructuredClone(JSContext* aCx,
nsIGlobalObject* aGlobal,
JSStructuredCloneReader* aReader) {
uint32_t kind = UINT32_MAX;
if (!JS_ReadBytes(aReader, reinterpret_cast<void*>(&kind),
sizeof(uint32_t))) {
return nullptr;
}
if (kind != static_cast<uint32_t>(FileSystemHandleKind::File)) {
return nullptr;
}
RefPtr<FileSystemFileHandle> result =
FileSystemHandle::ConstructFileHandle(aCx, aGlobal, aReader);
if (!result) {
return nullptr;
}
return result.forget();
}
} // namespace mozilla::dom
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