/*
 * BEGIN FLOCK GPL
 *
 * Copyright Flock Inc. 2005-2009
 * http://flock.com
 *
 * This file may be used under the terms of the
 * GNU General Public License Version 2 or later (the "GPL"),
 * http://www.gnu.org/licenses/gpl.html
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * END FLOCK GPL
 */

#ifndef __flockAsyncImageScaler_h__
#define __flockAsyncImageScaler_h__

#include "flockIAsyncImageScaler.h"
#include "flockIAsyncImageScalerInternal.h"

#include "nsIObserver.h"
#include "nsIEventTarget.h"
#include "nsIProxyObjectManager.h"

#include "nsCOMPtr.h"


class flockAsyncImageScalerImpl;

class flockAsyncImageScaler : public flockIAsyncImageScaler,
                              public nsIObserver
{
public:
  NS_DECL_ISUPPORTS
  NS_DECL_FLOCKIASYNCIMAGESCALER
  NS_DECL_NSIOBSERVER

  static flockAsyncImageScaler* GetSingleton();

private:
  flockAsyncImageScaler() NS_HIDDEN;
  ~flockAsyncImageScaler() NS_HIDDEN;

  NS_HIDDEN_(nsresult) Initialize();
  NS_HIDDEN_(nsresult) Shutdown();

  nsCOMPtr<flockAsyncImageScalerImpl> mAsyncImageScalerImpl;

  nsCOMPtr<flockIAsyncImageScalerInternal> mProxy;

  nsCOMPtr<nsIProxyObjectManager> mProxyManager;
};

#endif
