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nsISelection2.idl

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** 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 Selection code.
 *
 * The Initial Developer of the Original Code is
 * Google Inc.
 * Portions created by the Initial Developer are Copyright (C) 2006
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Brett Wilson <brettw@gmail.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either of 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 ***** */

#include "nsISelection.idl"

interface nsIDOMNode;
interface nsIDOMRange;

%{C++
#include "nsCOMArray.h"
%}

[ptr] native RangeArray(nsCOMArray<nsIDOMRange>);

[scriptable, uuid(b515878d-3b06-433b-bc9e-5c53d2fa3eff)]
interface nsISelection2 : nsISelection
{
  void GetRangesForInterval(
      in nsIDOMNode beginNode, in PRInt32 beginOffset,
      in nsIDOMNode endNode, in PRInt32 endOffset,
      in PRBool allowAdjacent,
      out PRUint32 resultCount,
      [retval, array, size_is(resultCount)] out nsIDOMRange results);

  [noscript] void GetRangesForIntervalCOMArray(
      in nsIDOMNode beginNode, in PRInt32 beginOffset,
      in nsIDOMNode endNode, in PRInt32 endOffset,
      in PRBool allowAdjacent,
      in RangeArray results);

  /**
   * Scrolls a region of the selection, so that it is visible in
   * the scrolled view.
   *
   * @param aRegion - the region inside the selection to scroll into view
   *                  (see selection region constants defined in
   *                   nsISelectionController).
   * @param aIsSynchronous - when true, scrolls the selection into view
   *                         before returning. If false, posts a request which
   *                         is processed at some point after the method returns.
   * @param aVPercent - how to align the frame vertically. A value of 0
   *                   means the frame's upper edge is aligned with the top edge
   *                   of the visible area. A value of 100 means the frame's
   *                   bottom edge is aligned with the bottom edge of
   *                   the visible area. For values in between, the point
   *                   "aVPercent" down the frame is placed at the point
   *                   "aVPercent" down the visible area. A value of 50 centers
   *                   the frame vertically. A value of -1 means move
   *                   the frame the minimum amount necessary in order for
   *                   the entire frame to be visible vertically (if possible).
   * @param aHPercent - how to align the frame horizontally. A value of 0
   *                    means the frame's left edge is aligned with the left
   *                    edge of the visible area. A value of 100 means the
   *                    frame's right edge is aligned with the right edge of
   *                    the visible area. For values in between, the point
   *                    "aHPercent" across the frame is placed at the point
   *                    "aHPercent" across the visible area. A value of 50
   *                    centers the frame horizontally . A value of -1 means
   *                    move the frame the minimum amount necessary in order
   *                    for the entire frame to be visible horizontally
   *                    (if possible).
   */
  void scrollIntoView(in short aRegion, in boolean aIsSynchronous,
                      in short aVPercent, in short aHPercent);
};


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