third_party/blink/renderer/modules/clipboard/clipboard_file_reader.cc

// 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.

#include "third_party/blink/renderer/modules/clipboard/clipboard_file_reader.h"

#include <memory>
#include <utility>

#include "third_party/blink/renderer/core/fileapi/file_reader_loader.h"
#include "third_party/blink/renderer/modules/clipboard/clipboard_promise.h"

namespace blink {
ClipboardFileReader::ClipboardFileReader(
    Blob* blob,
    ClipboardPromise* promise,
    scoped_refptr<base::SingleThreadTaskRunner> task_runner)
    : loader_(std::make_unique<FileReaderLoader>(
          FileReaderLoader::kReadAsArrayBuffer,
          this,
          std::move(task_runner))),
      promise_(promise) {
  loader_->Start(blob->GetBlobDataHandle());
}

ClipboardFileReader::~ClipboardFileReader() = default;

// FileReaderLoaderClient implementation.
void ClipboardFileReader::DidFinishLoading() {
  DOMArrayBuffer* array_buffer = loader_->ArrayBufferResult();
  promise_->OnLoadComplete(array_buffer);
}

void ClipboardFileReader::DidFail(FileErrorCode error_code) {
  promise_->Reject();
}

}  // namespace blink