/*
 * libjingle
 * Copyright 2004--2010, Google Inc.
 *
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions are met:
 *
 *  1. Redistributions of source code must retain the above copyright notice, 
 *     this list of conditions and the following disclaimer.
 *  2. 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.
 *  3. The name of the author may not be used to endorse or promote products 
 *     derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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,
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 */

#ifndef TALK_SOUND_NULLSOUNDSYSTEMFACTORY_H_
#define TALK_SOUND_NULLSOUNDSYSTEMFACTORY_H_

#include "talk/sound/soundsystemfactory.h"

namespace cricket {

// A SoundSystemFactory that always returns a NullSoundSystem. Intended for
// testing.
class NullSoundSystemFactory : public SoundSystemFactory {
 public:
  NullSoundSystemFactory();
  virtual ~NullSoundSystemFactory();

 protected:
  // Inherited from SoundSystemFactory.
  virtual bool SetupInstance();
  virtual void CleanupInstance();
};

}  // namespace cricket

#endif  // TALK_SOUND_NULLSOUNDSYSTEMFACTORY_H_