gecko-dev/content/xtf/public/nsIXTFElement.idl

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/* -*- 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 the Mozilla XTF project.
*
* The Initial Developer of the Original Code is
* Alex Fritze.
* Portions created by the Initial Developer are Copyright (C) 2004
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Alex Fritze <alex@croczilla.com> (original author)
* Olli Pettay <Olli.Pettay@helsinki.fi>
*
* Alternatively, the contents of this file may be used under the terms of
* either 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 "nsISupports.idl"
interface nsIAtom;
interface nsIDOMDocument;
interface nsIDOMElement;
interface nsIDOMNode;
interface nsIDOMAttr;
interface nsIDOMEvent;
interface nsIXTFElementWrapper;
[scriptable, uuid(4f144387-796d-4baf-8641-5db45dba1808)]
interface nsIXTFElement : nsISupports
{
// onCreated will be called before any notifications are sent to
// the xtf element.
//
// @param wrapper is a weak proxy to the wrapping element
// (i.e. holding a reference to this will not create a cycle).
void onCreated(in nsIXTFElementWrapper wrapper);
// called when the wrapper object is being destroyed.
void onDestroyed();
// If isAttributeHandler is set to 'true', the xtf element indicates
// that it wants to manage its own attributes. In this case it needs
// to implement the nsIXTFAttributeHandler interface in addition to
// its other interfaces. 'isAttributeHandler' must remain constant
// for the entire lifetime of the xtf element (i.e. before any
// onCreated()-calls until after onDestroyed()-calls).
readonly attribute boolean isAttributeHandler;
// getScriptingInterfaces: This array serves 2 purposes: a) All
// interfaces in this array will automatically be accessible when
// our wrapper element is used from JS (other interfaces need to be
// explicitly QI'ed for), and b) All these interfaces are callable
// from unpriviliged script.
// @note 'Normal' DOM interfaces are always automatically scriptable.
void getScriptingInterfaces(out unsigned long count,
[array, size_is(count), retval] out nsIIDPtr array);
// Notification mask constants:
// To receive a given event set the corresponding bit in
// nsIXTFElementWrapper::notificationMask.
const unsigned long NOTIFY_WILL_CHANGE_DOCUMENT = 0x00000001;
const unsigned long NOTIFY_DOCUMENT_CHANGED = 0x00000002;
const unsigned long NOTIFY_WILL_CHANGE_PARENT = 0x00000004;
const unsigned long NOTIFY_PARENT_CHANGED = 0x00000008;
const unsigned long NOTIFY_WILL_INSERT_CHILD = 0x00000010;
const unsigned long NOTIFY_CHILD_INSERTED = 0x00000020;
const unsigned long NOTIFY_WILL_APPEND_CHILD = 0x00000040;
const unsigned long NOTIFY_CHILD_APPENDED = 0x00000080;
const unsigned long NOTIFY_WILL_REMOVE_CHILD = 0x00000100;
const unsigned long NOTIFY_CHILD_REMOVED = 0x00000200;
const unsigned long NOTIFY_WILL_SET_ATTRIBUTE = 0x00000400;
const unsigned long NOTIFY_ATTRIBUTE_SET = 0x00000800;
const unsigned long NOTIFY_WILL_REMOVE_ATTRIBUTE = 0x00001000;
const unsigned long NOTIFY_ATTRIBUTE_REMOVED = 0x00002000;
const unsigned long NOTIFY_BEGIN_ADDING_CHILDREN = 0x00004000;
const unsigned long NOTIFY_DONE_ADDING_CHILDREN = 0x00008000;
const unsigned long NOTIFY_HANDLE_DEFAULT = 0x00010000;
const unsigned long NOTIFY_PERFORM_ACCESSKEY = 0x00020000;
// Event notifications:
void willChangeDocument(in nsIDOMDocument newDoc);
void documentChanged(in nsIDOMDocument newDoc);
void willChangeParent(in nsIDOMElement newParent);
void parentChanged(in nsIDOMElement newParent);
void willInsertChild(in nsIDOMNode child, in unsigned long index);
void childInserted(in nsIDOMNode child, in unsigned long index);
void willAppendChild(in nsIDOMNode child);
void childAppended(in nsIDOMNode child);
void willRemoveChild(in unsigned long index);
void childRemoved(in unsigned long index);
void willSetAttribute(in nsIAtom name, in AString newValue);
void attributeSet(in nsIAtom name, in AString newValue);
void willRemoveAttribute(in nsIAtom name);
void attributeRemoved(in nsIAtom name);
// These are for batching of child insertions during document load
// beginAddingChildren is called before any attributes or child nodes are
// added to the element.
void beginAddingChildren();
void doneAddingChildren();
// The default handler for DOM Events.
// This method is called after the normal DOM event flow.
// If the return value is true, the event is marked as handled and
// other default handlers won't be able to handle it again.
boolean handleDefault(in nsIDOMEvent aEvent);
// Set this element to be equivalent to |aElement|. This does not need
// to worry about copying attributes or child nodes, but should copy any
// other needed state.
void cloneState(in nsIDOMElement aElement);
/**
* Returns accesskey attribute node.
*/
readonly attribute nsIDOMAttr accesskeyNode;
/**
* Performs accesskey. The method is called when accesskey is activated.
*/
void performAccesskey();
};