36fc9685b5
Backed out changeset 17def1f78e36 (bug 1825552) Backed out changeset a2519447d580 (bug 1825552)
131 lines
4.0 KiB
C++
131 lines
4.0 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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#ifndef DOM_FS_FILESYSTEMWRITABLEFILESTREAM_H_
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#define DOM_FS_FILESYSTEMWRITABLEFILESTREAM_H_
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#include "mozilla/AlreadyAddRefed.h"
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#include "mozilla/MozPromise.h"
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#include "mozilla/dom/FlippedOnce.h"
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#include "mozilla/dom/PFileSystemManager.h"
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#include "mozilla/dom/WritableStream.h"
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#include "mozilla/dom/quota/ForwardDecls.h"
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class nsIGlobalObject;
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class nsIRandomAccessStream;
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namespace mozilla {
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template <typename T>
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class Buffer;
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class ErrorResult;
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class TaskQueue;
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namespace ipc {
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class RandomAccessStreamParams;
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}
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namespace dom {
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class ArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams;
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class Blob;
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class FileSystemManager;
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class FileSystemWritableFileStreamChild;
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class OwningArrayBufferViewOrArrayBufferOrBlobOrUSVString;
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class Promise;
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class StrongWorkerRef;
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namespace fs {
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class FileSystemThreadSafeStreamOwner;
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}
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class FileSystemWritableFileStream final : public WritableStream {
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public:
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/* IsExclusive is true to enable move */
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using CreatePromise =
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MozPromise<already_AddRefed<FileSystemWritableFileStream>, nsresult,
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/* IsExclusive */ true>;
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static RefPtr<CreatePromise> Create(
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const nsCOMPtr<nsIGlobalObject>& aGlobal,
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RefPtr<FileSystemManager>& aManager,
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RefPtr<FileSystemWritableFileStreamChild> aActor,
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mozilla::ipc::RandomAccessStreamParams&& aStreamParams,
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fs::FileSystemEntryMetadata&& aMetadata);
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(FileSystemWritableFileStream,
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WritableStream)
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void LastRelease() override;
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void ClearActor();
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bool IsOpen() const;
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bool IsClosed() const;
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[[nodiscard]] RefPtr<BoolPromise> BeginClose();
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void SetWorkerRef(RefPtr<StrongWorkerRef>&& aWorkerRef);
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already_AddRefed<Promise> Write(JSContext* aCx, JS::Handle<JS::Value> aChunk,
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ErrorResult& aError);
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// WebIDL Boilerplate
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JSObject* WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) override;
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// WebIDL Interface
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MOZ_CAN_RUN_SCRIPT already_AddRefed<Promise> Write(
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const ArrayBufferViewOrArrayBufferOrBlobOrUTF8StringOrWriteParams& aData,
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ErrorResult& aError);
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MOZ_CAN_RUN_SCRIPT already_AddRefed<Promise> Seek(uint64_t aPosition,
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ErrorResult& aError);
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MOZ_CAN_RUN_SCRIPT already_AddRefed<Promise> Truncate(uint64_t aSize,
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ErrorResult& aError);
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private:
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class CloseHandler;
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FileSystemWritableFileStream(const nsCOMPtr<nsIGlobalObject>& aGlobal,
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RefPtr<FileSystemManager>& aManager,
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RefPtr<FileSystemWritableFileStreamChild> aActor,
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already_AddRefed<TaskQueue> aTaskQueue,
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nsCOMPtr<nsIRandomAccessStream> aStream,
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fs::FileSystemEntryMetadata&& aMetadata);
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virtual ~FileSystemWritableFileStream();
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template <typename T>
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void Write(const T& aData, const Maybe<uint64_t> aPosition,
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const RefPtr<Promise>& aPromise);
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void Seek(uint64_t aPosition, const RefPtr<Promise>& aPromise);
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void Truncate(uint64_t aSize, const RefPtr<Promise>& aPromise);
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RefPtr<FileSystemManager> mManager;
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RefPtr<FileSystemWritableFileStreamChild> mActor;
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RefPtr<TaskQueue> mTaskQueue;
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RefPtr<fs::FileSystemThreadSafeStreamOwner> mStreamOwner;
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RefPtr<StrongWorkerRef> mWorkerRef;
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fs::FileSystemEntryMetadata mMetadata;
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RefPtr<CloseHandler> mCloseHandler;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // DOM_FS_FILESYSTEMWRITABLEFILESTREAM_H_
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