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// Copyright 2018 The Chromium Authors. All rights reserved.
// 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_NATIVE_FILE_SYSTEM_NATIVE_FILE_SYSTEM_DIRECTORY_ITERATOR_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_NATIVE_FILE_SYSTEM_NATIVE_FILE_SYSTEM_DIRECTORY_ITERATOR_H_
#include "base/files/file.h"
#include "mojo/public/cpp/bindings/receiver.h"
#include "third_party/blink/public/mojom/native_file_system/native_file_system_directory_handle.mojom-blink.h"
#include "third_party/blink/public/mojom/native_file_system/native_file_system_error.mojom-blink.h"
#include "third_party/blink/renderer/core/execution_context/context_lifecycle_observer.h"
#include "third_party/blink/renderer/platform/bindings/script_wrappable.h"
namespace blink {
class NativeFileSystemDirectoryHandle;
class NativeFileSystemHandle;
class ScriptPromise;
class ScriptPromiseResolver;
class ScriptState;
class NativeFileSystemDirectoryIterator final
: public ScriptWrappable,
public ContextLifecycleObserver,
public mojom::blink::NativeFileSystemDirectoryEntriesListener {
DEFINE_WRAPPERTYPEINFO();
USING_GARBAGE_COLLECTED_MIXIN(NativeFileSystemDirectoryIterator);
USING_PRE_FINALIZER(NativeFileSystemDirectoryIterator, Dispose);
public:
NativeFileSystemDirectoryIterator(NativeFileSystemDirectoryHandle* directory,
ExecutionContext* execution_context);
ScriptPromise next(ScriptState*);
void Trace(Visitor*) override;
private:
void DidReadDirectory(mojom::blink::NativeFileSystemErrorPtr result,
Vector<mojom::blink::NativeFileSystemEntryPtr> entries,
bool has_more_entries) override;
void Dispose();
mojom::blink::NativeFileSystemErrorPtr error_;
bool waiting_for_more_entries_ = true;
HeapDeque<Member<NativeFileSystemHandle>> entries_;
Member<ScriptPromiseResolver> pending_next_;
Member<NativeFileSystemDirectoryHandle> directory_;
mojo::Receiver<mojom::blink::NativeFileSystemDirectoryEntriesListener>
receiver_{this};
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_NATIVE_FILE_SYSTEM_NATIVE_FILE_SYSTEM_DIRECTORY_ITERATOR_H_
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