third_party/blink/renderer/modules/filesystem/directory_reader.h

/*
 * Copyright (C) 2010 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_FILESYSTEM_DIRECTORY_READER_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_FILESYSTEM_DIRECTORY_READER_H_

#include "third_party/blink/renderer/bindings/modules/v8/v8_entries_callback.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_error_callback.h"
#include "third_party/blink/renderer/modules/filesystem/directory_reader_base.h"
#include "third_party/blink/renderer/modules/filesystem/dom_file_system.h"
#include "third_party/blink/renderer/platform/heap/handle.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"

namespace blink {

class DirectoryReader : public DirectoryReaderBase {
  DEFINE_WRAPPERTYPEINFO();

 public:
  DirectoryReader(DOMFileSystemBase*, const String& full_path);
  ~DirectoryReader() override = default;

  void readEntries(V8EntriesCallback*, V8ErrorCallback* = nullptr);

  DOMFileSystem* Filesystem() const {
    return static_cast<DOMFileSystem*>(file_system_.Get());
  }

  void Trace(blink::Visitor*) override;

 private:
  void AddEntries(const EntryHeapVector& entries);

  void OnError(base::File::Error error);

  bool is_reading_;
  EntryHeapVector entries_;
  base::File::Error error_ = base::File::FILE_OK;
  Member<V8EntriesCallback> entries_callback_;
  Member<V8ErrorCallback> error_callback_;
};

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_MODULES_FILESYSTEM_DIRECTORY_READER_H_