pjs/java/dom/jni/DOMAccessorImpl.java

130 строки
3.5 KiB
Java

/*
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 Sun Microsystems,
Inc. Portions created by Sun are
Copyright (C) 1999 Sun Microsystems, Inc. All
Rights Reserved.
Contributor(s):
*/
package org.mozilla.dom;
import java.util.Vector;
import java.util.Enumeration;
import org.w3c.dom.Document;
public class DOMAccessorImpl implements DOMAccessor, DocumentLoadListener {
private DOMAccessor instance = null;
private Vector documentLoadListeners = new Vector();
public static native void register();
public static native void unregister();
public synchronized DOMAccessor getInstance() {
if (instance == null) {
instance = new DOMAccessorImpl();
}
return instance;
}
public synchronized void
addDocumentLoadListener(DocumentLoadListener listener) {
if (documentLoadListeners.size() == 0) {
register();
}
documentLoadListeners.addElement(listener);
}
public synchronized void
removeDocumentLoadListener(DocumentLoadListener listener) {
documentLoadListeners.removeElement(listener);
if (documentLoadListeners.size() == 0) {
unregister();
}
}
public synchronized void
startURLLoad(String url, String contentType, Document doc) {
for (Enumeration e = documentLoadListeners.elements();
e.hasMoreElements();) {
DocumentLoadListener listener =
(DocumentLoadListener) e.nextElement();
listener.startURLLoad(url, contentType, doc);
}
}
public synchronized void
endURLLoad(String url, int status, Document doc) {
for (Enumeration e = documentLoadListeners.elements();
e.hasMoreElements();) {
DocumentLoadListener listener =
(DocumentLoadListener) e.nextElement();
listener.endURLLoad(url, status, doc);
}
}
public synchronized void
progressURLLoad(String url, int progress, int progressMax,
Document doc) {
for (Enumeration e = documentLoadListeners.elements();
e.hasMoreElements();) {
DocumentLoadListener listener =
(DocumentLoadListener) e.nextElement();
listener.progressURLLoad(url, progress, progressMax, doc);
}
}
public synchronized void
statusURLLoad(String url, String message, Document doc) {
for (Enumeration e = documentLoadListeners.elements();
e.hasMoreElements();) {
DocumentLoadListener listener =
(DocumentLoadListener) e.nextElement();
listener.statusURLLoad(url, message, doc);
}
}
public synchronized void
startDocumentLoad(String url) {
for (Enumeration e = documentLoadListeners.elements();
e.hasMoreElements();) {
DocumentLoadListener listener =
(DocumentLoadListener) e.nextElement();
listener.startDocumentLoad(url);
}
}
public synchronized void
endDocumentLoad(String url, int status, Document doc) {
for (Enumeration e = documentLoadListeners.elements();
e.hasMoreElements();) {
DocumentLoadListener listener =
(DocumentLoadListener) e.nextElement();
listener.endDocumentLoad(url, status, doc);
}
}
}