122 lines
3.7 KiB
C++
122 lines
3.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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 "FileSystemFileHandle.h"
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#include "fs/FileSystemRequestHandler.h"
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#include "js/StructuredClone.h"
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#include "js/TypeDecls.h"
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#include "mozilla/ErrorResult.h"
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#include "mozilla/dom/FileSystemFileHandleBinding.h"
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#include "mozilla/dom/FileSystemHandleBinding.h"
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#include "mozilla/dom/FileSystemManager.h"
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#include "mozilla/dom/PFileSystemManager.h"
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#include "mozilla/dom/Promise.h"
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namespace mozilla::dom {
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NS_IMPL_ISUPPORTS_CYCLE_COLLECTION_INHERITED_0(FileSystemFileHandle,
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FileSystemHandle)
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NS_IMPL_CYCLE_COLLECTION_INHERITED(FileSystemFileHandle, FileSystemHandle)
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FileSystemFileHandle::FileSystemFileHandle(
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nsIGlobalObject* aGlobal, RefPtr<FileSystemManager>& aManager,
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const fs::FileSystemEntryMetadata& aMetadata,
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fs::FileSystemRequestHandler* aRequestHandler)
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: FileSystemHandle(aGlobal, aManager, aMetadata, aRequestHandler) {}
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FileSystemFileHandle::FileSystemFileHandle(
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nsIGlobalObject* aGlobal, RefPtr<FileSystemManager>& aManager,
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const fs::FileSystemEntryMetadata& aMetadata)
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: FileSystemFileHandle(aGlobal, aManager, aMetadata,
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new fs::FileSystemRequestHandler()) {}
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// WebIDL Boilerplate
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JSObject* FileSystemFileHandle::WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) {
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return FileSystemFileHandle_Binding::Wrap(aCx, this, aGivenProto);
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}
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// WebIDL Interface
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FileSystemHandleKind FileSystemFileHandle::Kind() const {
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return FileSystemHandleKind::File;
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}
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already_AddRefed<Promise> FileSystemFileHandle::GetFile(ErrorResult& aError) {
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RefPtr<Promise> promise = Promise::Create(GetParentObject(), aError);
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if (aError.Failed()) {
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return nullptr;
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}
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mRequestHandler->GetFile(mManager, mMetadata, promise, aError);
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if (aError.Failed()) {
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return nullptr;
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}
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return promise.forget();
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}
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already_AddRefed<Promise> FileSystemFileHandle::CreateWritable(
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const FileSystemCreateWritableOptions& aOptions, ErrorResult& aError) {
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RefPtr<Promise> promise = Promise::Create(GetParentObject(), aError);
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if (aError.Failed()) {
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return nullptr;
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}
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mRequestHandler->GetWritable(mManager, mMetadata, aOptions.mKeepExistingData,
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promise, aError);
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if (aError.Failed()) {
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return nullptr;
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}
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return promise.forget();
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}
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already_AddRefed<Promise> FileSystemFileHandle::CreateSyncAccessHandle(
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ErrorResult& aError) {
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RefPtr<Promise> promise = Promise::Create(GetParentObject(), aError);
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if (aError.Failed()) {
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return nullptr;
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}
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mRequestHandler->GetAccessHandle(mManager, mMetadata, promise, aError);
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if (aError.Failed()) {
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return nullptr;
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}
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return promise.forget();
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}
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// [Serializable] implementation
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// static
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already_AddRefed<FileSystemFileHandle>
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FileSystemFileHandle::ReadStructuredClone(JSContext* aCx,
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nsIGlobalObject* aGlobal,
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JSStructuredCloneReader* aReader) {
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uint32_t kind = UINT32_MAX;
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if (!JS_ReadBytes(aReader, reinterpret_cast<void*>(&kind),
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sizeof(uint32_t))) {
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return nullptr;
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}
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if (kind != static_cast<uint32_t>(FileSystemHandleKind::File)) {
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return nullptr;
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}
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RefPtr<FileSystemFileHandle> result =
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FileSystemHandle::ConstructFileHandle(aCx, aGlobal, aReader);
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if (!result) {
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return nullptr;
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}
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return result.forget();
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}
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} // namespace mozilla::dom
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