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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla 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/MPL/
 *
 * 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
 * Blake Ross.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Blake Ross      <blake@cs.stanford.edu> (Original Author)
 *   Masayuki Nakano <masayuki@d-toybox.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */


/********************************* #includes *********************************/

#include "domstubs.idl"                 // nsIDOMElement, nsIDOMWindow
#include "nsISupports.idl"              // nsISupports


/******************************** Declarations *******************************/

interface nsIDocShell;


/****************************** nsTypeAheadFind ******************************/

[scriptable, uuid(0749a445-19d3-4eb9-9d66-78eca8c6f604)]
interface nsITypeAheadFind : nsISupports
{
  /****************************** Initializer ******************************/

  /* Necessary initialization that can't happen in the constructor, either
   * because function calls here may fail, or because the docShell is
   * required. */
  void init(in nsIDocShell aDocShell);


  /***************************** Core functions ****************************/

  /* Find aSearchString in page.  If aLinksOnly is true, only search the page's
   * hyperlinks for the string. */
  unsigned short find(in AString aSearchString, in boolean aLinksOnly);

  /* Find another match in the page. */
  unsigned short findAgain(in boolean findBackwards, in boolean aLinksOnly);


  /**************************** Helper functions ***************************/

  /* Change searched docShell.  This happens when e.g. we use the same
   * nsITypeAheadFind object to search different tabs. */
  void setDocShell(in nsIDocShell aDocShell);

  /* Change the look of the the "found match" selection to aToggle, and repaint
   * the selection. */
  void setSelectionModeAndRepaint(in short toggle);

  /* Collapse the "found match" selection to its start.  Because not all
   * matches are owned by the same selection controller, this doesn't
   * necessarily happen automatically. */
  void collapseSelection();


  /******************************* Attributes ******************************/

  readonly attribute AString searchString;
                                        // Most recent search string
  attribute boolean caseSensitive;      // Searches are case sensitive
  readonly attribute nsIDOMElement foundLink;
                                        // Most recent elem found, if a link
  readonly attribute nsIDOMElement foundEditable;
                                        // Most recent elem found, if editable
  readonly attribute nsIDOMWindow currentWindow;
                                        // Window of most recent match


  /******************************* Constants *******************************/

  /* Find return codes */
  const unsigned short FIND_FOUND    = 0;
                                        // Successful find
  const unsigned short FIND_NOTFOUND = 1;
                                        // Unsuccessful find
  const unsigned short FIND_WRAPPED  = 2;
                                        // Successful find, but wrapped around


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

};


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