layout/forms/nsISelectControlFrame.h
author Dave Camp <dcamp@mozilla.com>
Sat, 25 Aug 2012 11:04:46 -0700
changeset 103461 328402a45248dbcfebbcd2a5e96ce3e8a755234c
parent 103019 a16372ce30b5f6b747246b01fcd215a4bf3b6342
child 106753 c4f83d9d8243f3f853a5356188164a5fddee2b5a
permissions -rw-r--r--
Bug 785335 - Changing an elements tagName collapses the tree node with no way to expand the tree node. r=jwalker

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef nsISelectControlFrame_h___
#define nsISelectControlFrame_h___

#include "nsQueryFrame.h"

class nsIDOMHTMLOptionElement;

/** 
  * nsISelectControlFrame is the interface for combo boxes and listboxes
  */
class nsISelectControlFrame : public nsQueryFrame
{
public:
  NS_DECL_QUERYFRAME_TARGET(nsISelectControlFrame)

  /**
   * Adds an option to the list at index
   */

  NS_IMETHOD AddOption(int32_t index) = 0;

  /**
   * Removes the option at index.  The caller must have a live script
   * blocker while calling this method.
   */
  NS_IMETHOD RemoveOption(int32_t index) = 0; 

  /**
   * Sets whether the parser is done adding children
   * @param aIsDone whether the parser is done adding children
   */
  NS_IMETHOD DoneAddingChildren(bool aIsDone) = 0;

  /**
   * Notify the frame when an option is selected
   */
  NS_IMETHOD OnOptionSelected(int32_t aIndex, bool aSelected) = 0;

  /**
   * Notify the frame when selectedIndex was changed.  This might
   * destroy the frame.
   */
  NS_IMETHOD OnSetSelectedIndex(int32_t aOldIndex, int32_t aNewIndex) = 0;

};

#endif