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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_FILE_SYSTEM_ACCESS_FILE_SYSTEM_OBSERVER_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_FILE_SYSTEM_ACCESS_FILE_SYSTEM_OBSERVER_H_
#include "base/files/file.h"
#include "third_party/blink/public/mojom/file_system_access/file_system_access_observer_host.mojom-blink.h"
#include "third_party/blink/renderer/bindings/core/v8/script_promise.h"
#include "third_party/blink/renderer/bindings/core/v8/script_promise_resolver.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_file_system_observer_callback.h"
#include "third_party/blink/renderer/platform/bindings/script_state.h"
#include "third_party/blink/renderer/platform/bindings/script_wrappable.h"
#include "third_party/blink/renderer/platform/mojo/heap_mojo_remote.h"
namespace blink {
class ExecutionContext;
class FileSystemHandle;
class FileSystemObserverObserveOptions;
class FileSystemObserver : public ScriptWrappable {
DEFINE_WRAPPERTYPEINFO();
public:
static FileSystemObserver* Create(ScriptState*,
V8FileSystemObserverCallback* callback,
ExceptionState&);
FileSystemObserver(
ExecutionContext* context,
V8FileSystemObserverCallback* callback,
mojo::PendingRemote<mojom::blink::FileSystemAccessObserverHost>
host_remote);
ScriptPromise<IDLUndefined> observe(ScriptState*,
FileSystemHandle* handle,
FileSystemObserverObserveOptions* options,
ExceptionState&);
void unobserve(FileSystemHandle* handle);
void disconnect();
void OnFileChanges(
WTF::Vector<mojom::blink::FileSystemAccessChangePtr> mojo_changes);
void Trace(Visitor* visitor) const override;
private:
void DidObserve(ScriptPromiseResolver<IDLUndefined>* resolver,
mojom::blink::FileSystemAccessErrorPtr result,
mojo::PendingReceiver<mojom::blink::FileSystemAccessObserver>
observer_receiver);
// Callback for StorageManagerFileSystemAccess::CheckGetDirectoryIsAllowed.
void OnGotStorageAccessStatus(ScriptPromiseResolver<IDLUndefined>* resolver,
FileSystemHandle* handle,
FileSystemObserverObserveOptions* options,
mojom::blink::FileSystemAccessErrorPtr result);
SEQUENCE_CHECKER(sequence_checker_);
std::optional<std::tuple</*status=*/mojom::blink::FileSystemAccessStatus,
/*file_error=*/::base::File::Error,
/*message=*/WTF::String>>
storage_access_status_;
Member<ExecutionContext> execution_context_;
Member<V8FileSystemObserverCallback> callback_;
// TODO(https://crbug.com/1019297): Add a queue of records.
HeapMojoRemote<mojom::blink::FileSystemAccessObserverHost> host_remote_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_FILE_SYSTEM_ACCESS_FILE_SYSTEM_OBSERVER_H_
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