MLEVL.cpp

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/*
//=BEGIN SONGBIRD GPL
//
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// http://www.songbirdnest.com
//
// This file may be licensed under the terms of of the
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*/

//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
//
// Media list enumeration vector listener services.
//
//   These services provide a media list enumeration listener that collects
// enumerated media items in a vector.
//
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
//
// Media list enumeration vector listener imported services.
//
//------------------------------------------------------------------------------

// Self imports.
#include "MLEVL.h"


//------------------------------------------------------------------------------
//
// Media list enumeration vector listener nsISupports implementation.
//
//------------------------------------------------------------------------------

NS_IMPL_ISUPPORTS1(MLEVL, sbIMediaListEnumerationListener)


//------------------------------------------------------------------------------
//
//   Media list enumeration vector listener sbIMediaListEnumerationListener
// implementation.
//
//------------------------------------------------------------------------------


NS_IMETHODIMP
MLEVL::OnEnumerationBegin(sbIMediaList* aMediaList,
                          PRUint16*     _retval)
{
  // Validate arguments.
  NS_ENSURE_ARG_POINTER(aMediaList);
  NS_ENSURE_ARG_POINTER(_retval);

  // Return results.
  *_retval = sbIMediaListEnumerationListener::CONTINUE;

  return NS_OK;
}


NS_IMETHODIMP
MLEVL::OnEnumeratedItem(sbIMediaList* aMediaList,
                        sbIMediaItem* aMediaItem,
                        PRUint16*     _retval)
{
  // Validate arguments.
  NS_ENSURE_ARG_POINTER(aMediaList);
  NS_ENSURE_ARG_POINTER(aMediaItem);
  NS_ENSURE_ARG_POINTER(_retval);

  // Add the item to the enumeration vector.
  itemList.push_back(aMediaItem);

  // Return results.
  *_retval = sbIMediaListEnumerationListener::CONTINUE;

  return NS_OK;
}


NS_IMETHODIMP
MLEVL::OnEnumerationEnd(sbIMediaList* aMediaList,
                        nsresult      aStatusCode)
{
  return NS_OK;
}