gecko/dom/interfaces/range/nsIDOMRange.idl

/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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 * 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
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 * Portions created by the Initial Developer are Copyright (C) 2000
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Vidur Apparao <vidur@netscape.com> (original author)
 *   Johnny Stenback <jst@netscape.com>
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#include "domstubs.idl"

/**
 * The nsIDOMRange interface is an interface to a DOM range object.
 *
 * For more information on this interface please see
 * http://www.w3.org/TR/DOM-Level-2-Traversal-Range/
 */

[scriptable, builtinclass, uuid(a059eea8-fece-4c14-93d3-7f50a944ae43)]
interface nsIDOMRange : nsISupports
{
  readonly attribute nsIDOMNode       startContainer;
                                        // raises(DOMException) on retrieval

  readonly attribute long             startOffset;
                                        // raises(DOMException) on retrieval

  readonly attribute nsIDOMNode       endContainer;
                                        // raises(DOMException) on retrieval

  readonly attribute long             endOffset;
                                        // raises(DOMException) on retrieval

  readonly attribute boolean          collapsed;
                                        // raises(DOMException) on retrieval

  readonly attribute nsIDOMNode       commonAncestorContainer;
                                        // raises(DOMException) on retrieval

  void               setStart(in nsIDOMNode refNode, in long offset)
                                        raises(RangeException, DOMException);
  void               setEnd(in nsIDOMNode refNode, in long offset)
                                        raises(RangeException, DOMException);
  void               setStartBefore(in nsIDOMNode refNode)
                                        raises(RangeException, DOMException);
  void               setStartAfter(in nsIDOMNode refNode)
                                        raises(RangeException, DOMException);
  void               setEndBefore(in nsIDOMNode refNode)
                                        raises(RangeException, DOMException);
  void               setEndAfter(in nsIDOMNode refNode)
                                        raises(RangeException, DOMException);
  void               collapse(in boolean toStart)
                                        raises(DOMException);
  void               selectNode(in nsIDOMNode refNode)
                                        raises(RangeException, DOMException);
  void               selectNodeContents(in nsIDOMNode refNode)
                                        raises(RangeException, DOMException);

  // CompareHow
  const unsigned short      START_TO_START                 = 0;
  const unsigned short      START_TO_END                   = 1;
  const unsigned short      END_TO_END                     = 2;
  const unsigned short      END_TO_START                   = 3;

  short              compareBoundaryPoints(in unsigned short how,
                                           in nsIDOMRange sourceRange)
                                        raises(DOMException);
  void               deleteContents()
                                        raises(DOMException);
  nsIDOMDocumentFragment extractContents()
                                        raises(DOMException);
  nsIDOMDocumentFragment cloneContents()
                                        raises(DOMException);
  void               insertNode(in nsIDOMNode newNode)
                                        raises(DOMException, RangeException);
  void               surroundContents(in nsIDOMNode newParent)
                                        raises(DOMException, RangeException);
  nsIDOMRange        cloneRange()
                                        raises(DOMException);
  DOMString          toString()
                                        raises(DOMException);
  void               detach();
  
  // This method comes from
  // http://html5.org/specs/dom-parsing.html#extensions-to-the-range-interface
  nsIDOMDocumentFragment    createContextualFragment(in DOMString fragment);

  // This returns true if parent+offset equals either
  // of the boundary points or is between them.
  boolean                   isPointInRange(in nsIDOMNode parent,
                                           in long offset);

  // comparePoint returns
  //   -1 if point is before the start boundary point,
  //    0 if point is either of the boundary points or between them,
  //    1 if point is after the end boundary point.
  // Sort of a strcmp for ranges.
  short                     comparePoint(in nsIDOMNode parent, in long offset);

  // These methods come from 
  // http://dev.w3.org/csswg/cssom-view/#extensions-to-the-range-interface
  nsIDOMClientRectList getClientRects();
  nsIDOMClientRect getBoundingClientRect();
};