accessible/src/base/nsEventShell.h
author David Anderson <danderson@mozilla.com>
Mon, 21 May 2012 14:40:04 -0700
changeset 109823 80e4ab0d24bc64ceaa7693ab5def36faffde7a40
parent 108825 8cfeba5239a9e4f20c462d6fb20421b4e4e7c735
parent 96742 f4157e8c410708d76703f19e4dfb61859bfe32d8
child 109860 474d3f16960fb6bc790f0f46b77d0248424b84ef
permissions -rw-r--r--
Merge from mozilla-central.

/* -*- 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 _nsEventShell_H_
#define _nsEventShell_H_

#include "AccEvent.h"

class nsIPersistentProperties;

/**
 * Used for everything about events.
 */
class nsEventShell
{
public:

  /**
   * Fire the accessible event.
   */
  static void FireEvent(AccEvent* aEvent);

  /**
   * Fire accessible event of the given type for the given accessible.
   *
   * @param  aEventType   [in] the event type
   * @param  aAccessible  [in] the event target
   */
  static void FireEvent(PRUint32 aEventType, nsAccessible *aAccessible,
                        EIsFromUserInput aIsFromUserInput = eAutoDetect);

  /**
   * Append 'event-from-input' object attribute if the accessible event has
   * been fired just now for the given node.
   *
   * @param  aNode        [in] the DOM node
   * @param  aAttributes  [in, out] the attributes
   */
  static void GetEventAttributes(nsINode *aNode,
                                 nsIPersistentProperties *aAttributes);

private:
  static nsCOMPtr<nsINode> sEventTargetNode;
  static bool sEventFromUserInput;
};

#endif