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#ifndef nsCommandGroup_h__
#define nsCommandGroup_h__

#include "nsIController.h"

#include "nsHashtable.h"


// {ecd55a01-2780-11d5-a73c-ca641a6813bc}
#define NS_CONTROLLER_COMMAND_GROUP_CID \
{ 0xecd55a01, 0x2780, 0x11d5, { 0xa7, 0x3c, 0xca, 0x64, 0x1a, 0x68, 0x13, 0xbc } }

#define NS_CONTROLLER_COMMAND_GROUP_CONTRACTID \
 "@mozilla.org/embedcomp/controller-command-group;1"


class nsControllerCommandGroup : public nsIControllerCommandGroup
{
public:

                    nsControllerCommandGroup();
  virtual           ~nsControllerCommandGroup();

  NS_DECL_ISUPPORTS
  NS_DECL_NSICONTROLLERCOMMANDGROUP


protected:

  void              ClearGroupsHash();

protected:

  static bool ClearEnumerator(nsHashKey *aKey, void *aData, void* closure);

protected:

  nsHashtable       mGroupsHash;    // hash keyed on command group.
                                    // Entries are nsVoidArrays of pointers to PRUnichar*
                                    // This could be made more space-efficient, maybe with atoms
  
};


#endif // nsCommandGroup_h__

