2f8ffb3c7b
Depends on D160903 Differential Revision: https://phabricator.services.mozilla.com/D160904
97 lines
2.9 KiB
C++
97 lines
2.9 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/Logging.h"
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#include "mozilla/TaskQueue.h"
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#include "mozilla/dom/Blob.h"
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#include "mozilla/dom/FileSystemManager.h"
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#include "mozilla/dom/FileSystemWritableFileStreamChild.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/ipc/FileDescriptor.h"
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#include "nsISupports.h"
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#include "nsWrapperCache.h"
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#include "prio.h"
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#include "private/pprio.h"
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class nsIGlobalObject;
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namespace mozilla {
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extern LazyLogModule gOPFSLog;
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}
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namespace mozilla::ipc {
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class FileDescriptor;
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} // namespace mozilla::ipc
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namespace mozilla {
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class ErrorResult;
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namespace dom {
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class ArrayBufferViewOrArrayBufferOrBlobOrUSVStringOrWriteParams;
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class Promise;
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class FileSystemWritableFileStream final : public WritableStream {
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public:
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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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static already_AddRefed<FileSystemWritableFileStream> MaybeCreate(
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nsIGlobalObject* aGlobal, RefPtr<FileSystemManager>& aManager,
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const fs::FileSystemEntryMetadata& aMetadata,
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RefPtr<FileSystemWritableFileStreamChild>& aActor);
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FileSystemWritableFileStream(
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nsIGlobalObject* aGlobal, RefPtr<FileSystemManager>& aManager,
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const fs::FileSystemEntryMetadata& aMetadata,
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RefPtr<FileSystemWritableFileStreamChild>& aActor);
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void ClearActor();
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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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already_AddRefed<Promise> Write(
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const ArrayBufferViewOrArrayBufferOrBlobOrUSVStringOrWriteParams& aData,
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ErrorResult& aError);
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bool DoSeek(RefPtr<Promise>& aPromise, uint64_t aPosition);
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already_AddRefed<Promise> Seek(uint64_t aPosition, ErrorResult& aError);
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already_AddRefed<Promise> Truncate(uint64_t aSize, ErrorResult& aError);
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already_AddRefed<Promise> Close(ErrorResult& aRv);
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bool IsClosed() const { return !mActor || !mActor->MutableFileDescPtr(); }
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protected:
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RefPtr<FileSystemManager> mManager;
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fs::FileSystemEntryMetadata mMetadata;
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private:
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nsresult WriteBlob(Blob* aBlob, uint64_t& aWritten);
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// nsresult WriteBlobImpl(BlobImpl* aBlobImpl, uint64_t& aWritten);
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virtual ~FileSystemWritableFileStream();
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RefPtr<FileSystemWritableFileStreamChild> mActor;
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RefPtr<TaskQueue> mTaskQueue;
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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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