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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /dom/fs/api/FileSystemSyncAccessHandle.h | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/fs/api/FileSystemSyncAccessHandle.h')
-rw-r--r-- | dom/fs/api/FileSystemSyncAccessHandle.h | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/dom/fs/api/FileSystemSyncAccessHandle.h b/dom/fs/api/FileSystemSyncAccessHandle.h new file mode 100644 index 0000000000..49f470b60b --- /dev/null +++ b/dom/fs/api/FileSystemSyncAccessHandle.h @@ -0,0 +1,133 @@ +/* -*- 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/. */ + +#ifndef DOM_FS_FILESYSTEMSYNCACCESSHANDLE_H_ +#define DOM_FS_FILESYSTEMSYNCACCESSHANDLE_H_ + +#include "mozilla/dom/PFileSystemManager.h" +#include "mozilla/dom/quota/ForwardDecls.h" +#include "nsCOMPtr.h" +#include "nsISupports.h" +#include "nsWrapperCache.h" + +class nsIGlobalObject; + +namespace mozilla { + +class ErrorResult; +class TaskQueue; + +namespace dom { + +class FileSystemAccessHandleChild; +class FileSystemAccessHandleControlChild; +struct FileSystemReadWriteOptions; +class FileSystemManager; +class MaybeSharedArrayBufferViewOrMaybeSharedArrayBuffer; +class Promise; +class StrongWorkerRef; + +class FileSystemSyncAccessHandle final : public nsISupports, + public nsWrapperCache { + public: + enum struct State : uint8_t { Initial = 0, Open, Closing, Closed }; + + static Result<RefPtr<FileSystemSyncAccessHandle>, nsresult> Create( + nsIGlobalObject* aGlobal, RefPtr<FileSystemManager>& aManager, + mozilla::ipc::RandomAccessStreamParams&& aStreamParams, + mozilla::ipc::ManagedEndpoint<PFileSystemAccessHandleChild>&& + aAccessHandleChildEndpoint, + mozilla::ipc::Endpoint<PFileSystemAccessHandleControlChild>&& + aAccessHandleControlChildEndpoint, + const fs::FileSystemEntryMetadata& aMetadata); + + NS_DECL_CYCLE_COLLECTING_ISUPPORTS + NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(FileSystemSyncAccessHandle) + + void LastRelease(); + + void ClearActor(); + + void ClearControlActor(); + + bool IsOpen() const; + + bool IsClosing() const; + + bool IsClosed() const; + + [[nodiscard]] RefPtr<BoolPromise> BeginClose(); + + [[nodiscard]] RefPtr<BoolPromise> OnClose(); + + // WebIDL Boilerplate + nsIGlobalObject* GetParentObject() const; + + JSObject* WrapObject(JSContext* aCx, + JS::Handle<JSObject*> aGivenProto) override; + + // WebIDL Interface + uint64_t Read( + const MaybeSharedArrayBufferViewOrMaybeSharedArrayBuffer& aBuffer, + const FileSystemReadWriteOptions& aOptions, ErrorResult& aRv); + + uint64_t Write( + const MaybeSharedArrayBufferViewOrMaybeSharedArrayBuffer& aBuffer, + const FileSystemReadWriteOptions& aOptions, ErrorResult& aRv); + + void Truncate(uint64_t aSize, ErrorResult& aError); + + uint64_t GetSize(ErrorResult& aError); + + void Flush(ErrorResult& aError); + + void Close(); + + private: + FileSystemSyncAccessHandle( + nsIGlobalObject* aGlobal, RefPtr<FileSystemManager>& aManager, + mozilla::ipc::RandomAccessStreamParams&& aStreamParams, + RefPtr<FileSystemAccessHandleChild> aActor, + RefPtr<FileSystemAccessHandleControlChild> aControlActor, + RefPtr<TaskQueue> aIOTaskQueue, + const fs::FileSystemEntryMetadata& aMetadata); + + virtual ~FileSystemSyncAccessHandle(); + + uint64_t ReadOrWrite( + const MaybeSharedArrayBufferViewOrMaybeSharedArrayBuffer& aBuffer, + const FileSystemReadWriteOptions& aOptions, const bool aRead, + ErrorResult& aRv); + + nsresult EnsureStream(); + + nsCOMPtr<nsIGlobalObject> mGlobal; + + RefPtr<FileSystemManager> mManager; + + RefPtr<FileSystemAccessHandleChild> mActor; + + RefPtr<FileSystemAccessHandleControlChild> mControlActor; + + RefPtr<TaskQueue> mIOTaskQueue; + + nsCOMPtr<nsIRandomAccessStream> mStream; + + RefPtr<StrongWorkerRef> mWorkerRef; + + MozPromiseHolder<BoolPromise> mClosePromiseHolder; + + mozilla::ipc::RandomAccessStreamParams mStreamParams; + + const fs::FileSystemEntryMetadata mMetadata; + + State mState; +}; + +} // namespace dom +} // namespace mozilla + +#endif // DOM_FS_FILESYSTEMSYNCACCESSHANDLE_H_ |