/**********************************************************************

   Audacity - A Digital Audio Editor
   Copyright 1999-2009 Audacity Team
   File License: wxWidgets

   Dan Horgan

******************************************************************//**

\file ResponseQueue.cpp
\brief Contains definitions for the ResponseQueue class

*//*******************************************************************/

#include "ResponseQueue.h"

#include <queue>
#include <string>
#include <wx/thread.h>

ResponseQueue::ResponseQueue()
   : mCondition(mMutex)
{ }

ResponseQueue::~ResponseQueue()
{ }

void ResponseQueue::AddResponse(Response response)
{
   wxMutexLocker locker(mMutex);
   mResponses.push(response);
   mCondition.Signal();
}

Response ResponseQueue::WaitAndGetResponse()
{
   wxMutexLocker locker(mMutex);
   if (mResponses.empty())
   {
      mCondition.Wait();
   }
   wxASSERT(!mResponses.empty());
   Response msg = mResponses.front();
   mResponses.pop();
   return msg;
}