/* -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 8 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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 *
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 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
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 * The Original Code is Mozilla Plugins.
 *
 * The Initial Developer of the Original Code is
 *   The Mozilla Foundation <http://www.mozilla.org/>.
 * Portions created by the Initial Developer are Copyright (C) 2009
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 *
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#ifndef mozilla_plugins_AStream_h
#define mozilla_plugins_AStream_h

namespace mozilla {
namespace plugins {

/**
 * When we are passed NPStream->{ndata,pdata} in {NPN,NPP}_DestroyStream, we
 * don't know whether it's a plugin stream or a browser stream. This abstract
 * class lets us cast to the right type of object and send the appropriate
 * message.
 */
class AStream
{
public:
  virtual bool IsBrowserStream() = 0;
};

} // namespace plugins
} // namespace mozilla

#endif