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// Copyright (c) 2010 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 WEBKIT_BLOB_VIEW_BLOB_INTERNALS_JOB_H_
#define WEBKIT_BLOB_VIEW_BLOB_INTERNALS_JOB_H_

#include <string>

#include "net/url_request/url_request_simple_job.h"

class URLRequest;

namespace webkit_blob {

class BlobData;
class BlobStorageController;

// A job subclass that implements a protocol to inspect the internal
// state of blob registry.
class ViewBlobInternalsJob : public URLRequestSimpleJob {
 public:
  ViewBlobInternalsJob(URLRequest* request,
                       BlobStorageController* blob_storage_controller);

  virtual void Start();
  virtual bool GetData(std::string* mime_type,
                       std::string* charset,
                       std::string* data) const;
  virtual bool IsRedirectResponse(GURL* location, int* http_status_code);

 private:
  ~ViewBlobInternalsJob();

  void DoWorkAsync();
  void GenerateHTML(std::string* out) const;
  static void GenerateHTMLForBlobData(const BlobData& blob_data,
                                      std::string* out);

  BlobStorageController* blob_storage_controller_;

  DISALLOW_COPY_AND_ASSIGN(ViewBlobInternalsJob);
};

}  // namespace webkit_blob

#endif  // WEBKIT_BLOB_VIEW_BLOB_INTERNALS_JOB_H_