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 * The Original Code is Mozilla Communicator client code.
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#ifndef nsEventQueueService_h__
#define nsEventQueueService_h__

#include "nsIEventQueueService.h"
#include "nsInterfaceHashtable.h"
#include "nsHashKeys.h"
#include "nsIEventQueue.h"

////////////////////////////////////////////////////////////////////////////////

class nsEventQueueServiceImpl : public nsIEventQueueService
{
public:
  nsEventQueueServiceImpl();

  nsresult Init();

  // nsISupports interface...
  NS_DECL_ISUPPORTS

  // nsIEventQueueService interface...
  NS_DECL_NSIEVENTQUEUESERVICE

private:
  ~nsEventQueueServiceImpl();

             /* Create a queue for the given thread if one does not exist.
                Addref the descriptor in any case. parameter aNative is
                ignored if the queue already exists. */
  NS_IMETHOD CreateEventQueue(PRThread *aThread, PRBool aNative);
  NS_IMETHOD MakeNewQueue(PRThread* thread, PRBool aNative, nsIEventQueue **aQueue);
  inline nsresult GetYoungestEventQueue(nsIEventQueue *queue, nsIEventQueue **aResult);

  nsInterfaceHashtable<nsVoidPtrHashKey, nsIEventQueue> mEventQTable;
  PRMonitor *mEventQMonitor;
};

////////////////////////////////////////////////////////////////////////////////

#endif // nsEventQueueService_h__