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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
 * You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozilla_dom_file_filerequest_h__
#define mozilla_dom_file_filerequest_h__

#include "FileCommon.h"

#include "nsIDOMFileRequest.h"

#include "DOMRequest.h"

BEGIN_FILE_NAMESPACE

class FileHelper;
class LockedFile;

class FileRequest : public mozilla::dom::DOMRequest,
                    public nsIDOMFileRequest
{
public:
  NS_DECL_ISUPPORTS_INHERITED
  NS_DECL_NSIDOMFILEREQUEST
  NS_FORWARD_NSIDOMDOMREQUEST(DOMRequest::)
  NS_FORWARD_NSIDOMEVENTTARGET_NOPREHANDLEEVENT(DOMRequest::)
  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(FileRequest, DOMRequest)

  static already_AddRefed<FileRequest>
  Create(nsIDOMWindow* aOwner, LockedFile* aLockedFile, bool aIsFileRequest);

  // nsIDOMEventTarget
  virtual nsresult
  PreHandleEvent(nsEventChainPreVisitor& aVisitor);

  void
  OnProgress(uint64_t aProgress, uint64_t aProgressMax)
  {
    FireProgressEvent(aProgress, aProgressMax);
  }

  nsresult
  NotifyHelperCompleted(FileHelper* aFileHelper);

private:
  FileRequest(nsIDOMWindow* aWindow);
  ~FileRequest();

  void
  FireProgressEvent(uint64_t aLoaded, uint64_t aTotal);

  virtual void
  RootResultVal();

  nsRefPtr<LockedFile> mLockedFile;
  bool mIsFileRequest;

  NS_DECL_EVENT_HANDLER(progress)
};

END_FILE_NAMESPACE

#endif // mozilla_dom_file_filerequest_h__