/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 *
 * The contents of this file are subject to the Netscape Public
 * License Version 1.1 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.mozilla.org/NPL/
 *
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 *
 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is Netscape
 * Communications Corporation.  Portions created by Netscape are
 * Copyright (C) 1998 Netscape Communications Corporation. All
 * Rights Reserved.
 *
 * Contributor(s):
 */

#include "nsISupports.idl"
#include "nsISelectionListener.idl"
#include "nsIEnumerator.idl"

interface nsIDOMRange;
interface nsISelectionListener;


[scriptable, uuid(2d5535e2-1dd2-11b2-8e38-d53ec833adf6)]
interface nsISelectionPrivate : nsISupports
 {
    const short ENDOFPRECEDINGLINE=0;
    const short STARTOFNEXTLINE=1;
    
    attribute boolean interlinePosition;

    /* startBatchChanges
       match this up with endbatchChanges. will stop ui updates while multiple selection methods are called
    */
		void		       startBatchChanges();
    
    /* endBatchChanges
       match this up with startBatchChanges
    */
		void		       endBatchChanges();
		
		nsIEnumerator  getEnumerator();
    wstring        toStringWithFormat(in string formatType, in unsigned long flags, in PRInt32 wrapColumn);
		void		       addSelectionListener(in nsISelectionListener newListener);
		void		       removeSelectionListener(in nsISelectionListener listenerToRemove);

    /* Table selection stuff
       We should probably move this and table-related 
       items in nsIFrameSelection  to a 
       new nsITableSelection interface
    */
    const long TABLESELECTION_NONE     = 0; 
    const long TABLESELECTION_CELL     = 1; 
    const long TABLESELECTION_ROW      = 2; 
    const long TABLESELECTION_COLUMN   = 3; 
    const long TABLESELECTION_TABLE    = 4; 
    const long TABLESELECTION_ALLCELLS = 5;

    /** Test if supplied range points to a single table element:
      *    Result is one of above constants. "None" means
      *    a table element isn't selected.
      */
    long getTableSelectionType(in nsIDOMRange range);
};