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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: DocumentProxy.java,v $
* $Revision: 1.4 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
package stardiv.applet;
import java.awt.Toolkit;
import java.awt.Image;
import java.applet.Applet;
import java.applet.AppletContext;
import java.applet.AudioClip;
import java.io.IOException;
import java.util.Enumeration;
import java.util.Hashtable;
import java.util.Observer;
import java.util.Observable;
import java.util.Iterator;
import java.io.InputStream;
import java.net.URL;
import com.sun.star.lib.sandbox.Cachable;
import com.sun.star.lib.sandbox.ExecutionContext;
import com.sun.star.lib.sandbox.WeakRef;
import com.sun.star.lib.sandbox.WeakTable;
import com.sun.star.lib.sandbox.ResourceProxy;
public class DocumentProxy implements AppletContext, Cachable, Observer, LiveConnectable {
static private int instances;
synchronized static public DocumentProxy getDocumentProxy(URL url, Toolkit toolkit) {
DocumentProxy documentProxy = (DocumentProxy)WeakTable.get("Document: " + url);
if(documentProxy == null) {
documentProxy = new DocumentProxy(url, toolkit);
WeakTable.put("Document: " + url, documentProxy);
}
return documentProxy;
}
// AppletContext. This method is new since 1.4. We insert it so as to
// have the project buildable
public void setStream( String key,InputStream stream)
throws java.io.IOException {
}
// AppletContext. This method is new since 1.4. We insert it so as to
// have the project buildable
public InputStream getStream( String key) {
return null;
}
// AppletContext. This method is new since 1.4. We insert it so as to
// have the project buildable
public Iterator getStreamKeys() {
return null;
}
/*
** interface cachable methods
*/
private Document document;
private WeakRef weakRef;
public DocumentProxy() {
instances ++;
}
public Object getHardObject() {
return document;
}
public void setWeakRef(WeakRef weakRef) {
document = (Document)weakRef.getRef();
weakRef.incRefCnt();
this.weakRef = weakRef;
}
public void finalize() {
weakRef.decRefCnt();
instances --;
}
/*
** DocumentProxy methods
*/
private Toolkit toolkit;
private DocumentProxy(URL url, Toolkit toolkit) {
this();
document = new Document(url, toolkit);
}
void addExecutionContext(ExecutionContext executionContext, String name) {
document.addExecutionContext(executionContext, name);
}
void removeExecutionContext(String name) {
document.removeExecutionContext(name);
}
public URL getDocumentBase() {
return document.getDocumentBase();
}
/*
** AppletContext interface methods
*/
public Applet getApplet(String name) {
return ((AppletExecutionContext)document.getExecutionContext(name)).getApplet();
}
public Enumeration getApplets() {
return new Enumeration() {
Enumeration contexts = document.getExecutionContexts();
public boolean hasMoreElements() {
return contexts.hasMoreElements();
}
public Object nextElement() {
return ((AppletExecutionContext)contexts.nextElement()).getApplet();
}
};
}
public AudioClip getAudioClip(URL url) {
return document.getAudioClip(url);
}
public Image getImage(URL url) {
return document.getImage(url);
}
public void showDocument(URL url) {
document.showDocument(url);
}
/**
* Get the javascript environment for this applet.
*/
/*
public native Object getJavaScriptJSObjectWindow();
public native void appletResize( int width, int height );
public native void showDocument( URL url, String aTarget );
public native void showStatus( String status );
*/
public void showDocument(URL url, String aTarget) {
document.showDocument(url, aTarget);
}
public void showStatus(String status) {
document.showStatus(status);
}
public void update(Observable observable, Object object) {
showStatus((String)object);
}
public Object getJavaScriptJSObjectWindow() {
return document.getJavaScriptJSObjectWindow();
}
}
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