Version 1.8 of gecko-sdk. Downloaded from here:...

gecko-sdk/idl/nsIDOMEvent.idl

+/* -*- Mode: IDL; 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
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 2000
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   Tom Pixley <joki@netscape.com> (original author)
+ *   Johnny Stenback <jst@netscape.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 "domstubs.idl"
+
+interface nsIDOMEventTarget;
+
+/**
+ * The nsIDOMEvent interface is the primary datatype for all events in
+ * the Document Object Model.
+ *
+ * For more information on this interface please see 
+ * http://www.w3.org/TR/DOM-Level-2-Events/
+ *
+ * @status FROZEN
+ */
+
+[scriptable, uuid(a66b7b80-ff46-bd97-0080-5f8ae38add32)]
+interface nsIDOMEvent : nsISupports
+{
+  // PhaseType
+  /**
+   * The current event phase is the capturing phase.
+   */
+  const unsigned short      CAPTURING_PHASE                = 1;
+
+  /**
+   * The event is currently being evaluated at the target EventTarget.
+   */
+  const unsigned short      AT_TARGET                      = 2;
+
+  /**
+   * The current event phase is the bubbling phase.
+   */
+  const unsigned short      BUBBLING_PHASE                 = 3;
+
+  /**
+   * The name of the event (case-insensitive). The name must be an XML 
+   * name.
+   */
+  readonly attribute DOMString          type;
+
+  /**
+   * Used to indicate the EventTarget to which the event was originally 
+   * dispatched.
+   */
+  readonly attribute nsIDOMEventTarget  target;
+
+  /**
+   * Used to indicate the EventTarget whose EventListeners are currently 
+   * being processed. This is particularly useful during capturing and 
+   * bubbling.
+   */
+  readonly attribute nsIDOMEventTarget  currentTarget;
+
+  /**
+   * Used to indicate which phase of event flow is currently being 
+   * evaluated.
+   */
+  readonly attribute unsigned short     eventPhase;
+
+  /**
+   * Used to indicate whether or not an event is a bubbling event. If the 
+   * event can bubble the value is true, else the value is false.
+   */
+  readonly attribute boolean            bubbles;
+
+  /**
+   * Used to indicate whether or not an event can have its default action 
+   * prevented. If the default action can be prevented the value is true, 
+   * else the value is false.
+   */
+  readonly attribute boolean            cancelable;
+
+  /**
+   * Used to specify the time (in milliseconds relative to the epoch) at 
+   * which the event was created. Due to the fact that some systems may 
+   * not provide this information the value of timeStamp may be not 
+   * available for all events. When not available, a value of 0 will be 
+   * returned. Examples of epoch time are the time of the system start or 
+   * 0:0:0 UTC 1st January 1970.
+   */
+  readonly attribute DOMTimeStamp       timeStamp;
+
+  /**
+   * The stopPropagation method is used prevent further propagation of an 
+   * event during event flow. If this method is called by any 
+   * EventListener the event will cease propagating through the tree. The 
+   * event will complete dispatch to all listeners on the current 
+   * EventTarget before event flow stops. This method may be used during 
+   * any stage of event flow.
+   */
+  void                      stopPropagation();
+
+  /**
+   * If an event is cancelable, the preventDefault method is used to 
+   * signify that the event is to be canceled, meaning any default action 
+   * normally taken by the implementation as a result of the event will 
+   * not occur. If, during any stage of event flow, the preventDefault 
+   * method is called the event is canceled. Any default action associated 
+   * with the event will not occur. Calling this method for a 
+   * non-cancelable event has no effect. Once preventDefault has been 
+   * called it will remain in effect throughout the remainder of the 
+   * event's propagation. This method may be used during any stage of 
+   * event flow.
+   */
+  void                      preventDefault();
+
+  /**
+   * The initEvent method is used to initialize the value of an Event 
+   * created through the DocumentEvent interface. This method may only be 
+   * called before the Event has been dispatched via the dispatchEvent 
+   * method, though it may be called multiple times during that phase if 
+   * necessary. If called multiple times the final invocation takes 
+   * precedence. If called from a subclass of Event interface only the 
+   * values specified in the initEvent method are modified, all other 
+   * attributes are left unchanged.
+   *
+   * @param   eventTypeArg Specifies the event type. This type may be 
+   *                       any event type currently defined in this 
+   *                       specification or a new event type.. The string 
+   *                       must be an XML name.
+   *                       Any new event type must not begin with any 
+   *                       upper, lower, or mixed case version of the 
+   *                       string "DOM". This prefix is reserved for 
+   *                       future DOM event sets. It is also strongly 
+   *                       recommended that third parties adding their 
+   *                       own events use their own prefix to avoid 
+   *                       confusion and lessen the probability of 
+   *                       conflicts with other new events.
+   * @param   canBubbleArg Specifies whether or not the event can bubble.
+   * @param   cancelableArg Specifies whether or not the event's default 
+   *                        action can be prevented.
+   */
+  void                      initEvent(in DOMString eventTypeArg,
+                                      in boolean canBubbleArg,
+                                      in boolean cancelableArg);
+};