зеркало из https://github.com/mozilla/gecko-dev.git
114 строки
4.2 KiB
Plaintext
114 строки
4.2 KiB
Plaintext
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
|
|
*
|
|
* The contents of this file are subject to the Netscape 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/NPL/
|
|
*
|
|
* 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 Netscape are
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All
|
|
* Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*/
|
|
|
|
#include "nsISupports.idl"
|
|
#include "nsIRDFResource.idl"
|
|
#include "nsIRDFNode.idl"
|
|
|
|
interface nsIRDFDataSource;
|
|
|
|
// An nsIRDFObserver object is an observer that will be notified
|
|
// when assertions are made or removed from a datasource
|
|
[scriptable, uuid(3CC75360-484A-11D2-BC16-00805F912FE7)]
|
|
interface nsIRDFObserver : nsISupports {
|
|
/**
|
|
* This method is called whenever a new assertion is made
|
|
* in the data source
|
|
* @param aDataSource the datasource that is issuing
|
|
* the notification.
|
|
* @param aSource the subject of the assertion
|
|
* @param aProperty the predicate of the assertion
|
|
* @param aTarget the object of the assertion
|
|
*/
|
|
void onAssert(in nsIRDFDataSource aDataSource,
|
|
in nsIRDFResource aSource,
|
|
in nsIRDFResource aProperty,
|
|
in nsIRDFNode aTarget);
|
|
|
|
/**
|
|
* This method is called whenever an assertion is removed
|
|
* from the data source
|
|
* @param aDataSource the datasource that is issuing
|
|
* the notification.
|
|
* @param aSource the subject of the assertion
|
|
* @param aProperty the predicate of the assertion
|
|
* @param aTarget the object of the assertion
|
|
*/
|
|
void onUnassert(in nsIRDFDataSource aDataSource,
|
|
in nsIRDFResource aSource,
|
|
in nsIRDFResource aProperty,
|
|
in nsIRDFNode aTarget);
|
|
|
|
/**
|
|
* This method is called when the object of an assertion
|
|
* changes from one value to another.
|
|
* @param aDataSource the datasource that is issuing
|
|
* the notification.
|
|
* @param aSource the subject of the assertion
|
|
* @param aProperty the predicate of the assertion
|
|
* @param aOldTarget the old object of the assertion
|
|
* @param aNewTarget the new object of the assertion
|
|
*/
|
|
void onChange(in nsIRDFDataSource aDataSource,
|
|
in nsIRDFResource aSource,
|
|
in nsIRDFResource aProperty,
|
|
in nsIRDFNode aOldTarget,
|
|
in nsIRDFNode aNewTarget);
|
|
|
|
/**
|
|
* This method is called when the subject of an assertion
|
|
* changes from one value to another.
|
|
* @param aDataSource the datasource that is issuing
|
|
* the notification.
|
|
* @param aOldSource the old subject of the assertion
|
|
* @param aNewSource the new subject of the assertion
|
|
* @param aProperty the predicate of the assertion
|
|
* @param aTarget the object of the assertion
|
|
*/
|
|
void onMove(in nsIRDFDataSource aDataSource,
|
|
in nsIRDFResource aOldSource,
|
|
in nsIRDFResource aNewSource,
|
|
in nsIRDFResource aProperty,
|
|
in nsIRDFNode aTarget);
|
|
|
|
/**
|
|
* This method is called when a datasource is about to
|
|
* send several notifications at once. The observer can
|
|
* use this as a cue to optimize its behavior. The observer
|
|
* can expect the datasource to call endUpdateBatch() when
|
|
* the group of notifications has completed.
|
|
* @param aDataSource the datasource that is going to
|
|
* be issuing the notifications.
|
|
*/
|
|
void beginUpdateBatch(in nsIRDFDataSource aDataSource);
|
|
|
|
/**
|
|
* This method is called when a datasource has completed
|
|
* issuing a notification group.
|
|
* @param aDataSource the datasource that has finished
|
|
* issuing a group of notifications
|
|
*/
|
|
void endUpdateBatch(in nsIRDFDataSource aDataSource);
|
|
};
|
|
|
|
|