forked from amazingfate/loongoffice
303 lines
9.8 KiB
Java
303 lines
9.8 KiB
Java
/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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package com.sun.star.beans;
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import java.awt.Component;
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import com.sun.star.lang.EventObject;
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import com.sun.star.lang.SystemDependent;
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import com.sun.star.lang.XEventListener;
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import com.sun.star.lang.XMultiServiceFactory;
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import com.sun.star.lang.XMultiComponentFactory;
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import com.sun.star.awt.Rectangle;
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import com.sun.star.awt.XWindow;
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import com.sun.star.awt.XWindowPeer;
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import com.sun.star.awt.XVclWindowPeer;
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import com.sun.star.awt.XToolkit;
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import com.sun.star.awt.WindowDescriptor;
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import com.sun.star.awt.WindowAttribute;
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import com.sun.star.awt.WindowClass;
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import com.sun.star.uno.UnoRuntime;
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import com.sun.star.uno.XComponentContext;
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/**
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* This class represents a local office window.
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* @deprecated
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*/
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public class LocalOfficeWindow
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extends java.awt.Canvas
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implements XEventListener
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{
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private transient OfficeConnection mConnection;
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private transient XWindowPeer mParentProxy;
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private transient XWindowPeer mWindow;
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private boolean bPeer = false;
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/**
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* Construnctor.
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*
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* @param connection The office connection object the window
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* belongs to.
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*/
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/* package */ LocalOfficeWindow(OfficeConnection connection)
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{
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mConnection = connection;
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mConnection.addEventListener(this);
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}
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/**
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* Retrieves an AWT component object associated with the OfficeWindow.
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*
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* @return The AWT component object associated with the OfficeWindow.
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*/
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public Component getAWTComponent()
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{
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return this;
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}
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/**
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* Retrieves an UNO XWindowPeer object associated with the OfficeWindow.
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*
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* @return The UNO XWindowPeer object associated with the OfficeWindow.
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*/
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public XWindowPeer getUNOWindowPeer()
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{
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if (mWindow == null)
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createUNOWindowPeer();
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return mWindow;
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}
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/**
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* Receives a notification about the connection has been closed.
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* This method has to set the connection to <code>null</code>.
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*
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* @source The event object.
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*/
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public void disposing(EventObject source)
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{
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// the window will be disposed by the framework
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mWindow = null;
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mConnection = null;
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}
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/**
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* Returns an AWT toolkit.
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*/
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private XToolkit queryAWTToolkit()
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throws com.sun.star.uno.Exception
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{
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// Create a UNO toolkit.
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XMultiComponentFactory compfactory;
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XComponentContext xContext = mConnection.getComponentContext();
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if ( xContext != null )
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{
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compfactory = mConnection.getComponentContext().getServiceManager();
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XMultiServiceFactory factory;
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factory = UnoRuntime.queryInterface(
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XMultiServiceFactory.class, compfactory);
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Object object = factory.createInstance( "com.sun.star.awt.Toolkit");
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return UnoRuntime.queryInterface(XToolkit.class, object);
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}
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else
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return null;
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}
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/// called when system parent is available, reparents the bean window
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private void aquireSystemWindow()
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{
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if ( !bPeer )
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{
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// set real parent
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XVclWindowPeer xVclWindowPeer = UnoRuntime.queryInterface(
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XVclWindowPeer.class, mWindow);
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xVclWindowPeer.setProperty( "PluginParent", Long.valueOf(getNativeWindow()) );
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bPeer = true;
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// show document window
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XWindow aWindow = UnoRuntime.queryInterface(XWindow.class, mWindow);
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aWindow.setVisible( true );
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}
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}
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/// called when system parent is about to die, reparents the bean window
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private void releaseSystemWindow()
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{
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if ( bPeer )
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{
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// hide document window
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XWindow aWindow = UnoRuntime.queryInterface(XWindow.class, mWindow);
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aWindow.setVisible( false );
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// set null parent
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XVclWindowPeer xVclWindowPeer = UnoRuntime.queryInterface(
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XVclWindowPeer.class, mWindow);
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xVclWindowPeer.setProperty( "PluginParent", Long.valueOf(0) );
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bPeer = false;
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}
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}
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/// callback handler to get to know when we become visible
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//@deprecated
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private class ComponentEventHandler
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extends java.awt.event.ComponentAdapter
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{
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@Override
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public void componentHidden( java.awt.event.ComponentEvent e)
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{
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// only when we become invisible, we might lose our system window
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CallWatchThread aCallWatchThread = new CallWatchThread( 500 );
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setVisible(false);
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try { aCallWatchThread.cancel(); }
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catch ( InterruptedException aExc )
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{} // ignore
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}
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@Override
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public void componentShown( java.awt.event.ComponentEvent e)
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{
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// only when we become visible, we get a system window
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aquireSystemWindow();
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}
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}
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/// Overriding java.awt.Component.setVisible() due to Java bug (no showing event).
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@Override
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public void setVisible( boolean b )
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{
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super.setVisible(b);
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// Java-Bug: componentShown() is never called :-(
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// is still at least in Java 1.4.1_02
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if ( b )
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aquireSystemWindow();
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else
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releaseSystemWindow();
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}
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/** Factory method for a UNO AWT toolkit window as a child of this Java window.
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*
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*/
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private XWindowPeer createUNOWindowPeer()
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{
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try
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{
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// get this windows native window type
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int type = getNativeWindowSystemType();
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// Java AWT windows only have a system window when showing.
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XWindowPeer parentPeer;
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if ( isShowing() )
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{
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// create direct parent relationship
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parentPeer = new JavaWindowPeerFake( getNativeWindow(), type);
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bPeer = true;
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}
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else
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{
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// no parent yet
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parentPeer = null;
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bPeer = false;
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}
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// create native window (mWindow)
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Rectangle aRect = new Rectangle( 0, 0, 20, 20 );
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WindowDescriptor desc = new WindowDescriptor();
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desc.Type = WindowClass.TOP;
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desc.Parent = parentPeer;
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desc.Bounds = aRect;
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desc.WindowServiceName = "workwindow";
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desc.WindowAttributes = (type == SystemDependent.SYSTEM_WIN32)
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? WindowAttribute.SHOW : 0;
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mWindow = queryAWTToolkit().createWindow(desc);
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// to get notified when we become visible
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addComponentListener( new ComponentEventHandler() );
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// set initial visibility
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XWindow aWindow = UnoRuntime.queryInterface(XWindow.class, mWindow);
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aWindow.setVisible( bPeer );
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}
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catch (com.sun.star.uno.Exception exp) {
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}
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return mWindow;
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}
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/**
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* Retrieves a platform dependent system window identifier.
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*
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* @return The system window identifier.
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*/
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private native long getNativeWindow();
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/**
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* Retrieves a platform dependent system window type.
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*
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* @return The system window type.
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*/
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private native int getNativeWindowSystemType();
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/** Helper class to watch calls into OOo with a timeout.
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* @deprecated
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*/
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private class CallWatchThread extends Thread
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{
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private Thread aWatchedThread;
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private long nTimeout;
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private CallWatchThread( long nTimeout )
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{
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this.aWatchedThread = Thread.currentThread();
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this.nTimeout = nTimeout;
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start();
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}
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private void cancel()
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throws InterruptedException
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{
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aWatchedThread = null;
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stop();
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if ( Thread.interrupted() )
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throw new InterruptedException();
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}
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@Override
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public void run()
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{
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while ( aWatchedThread != null )
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{
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try { sleep( nTimeout ); }
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catch ( InterruptedException aExc )
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{}
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//synchronized
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{
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if ( aWatchedThread != null )
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{
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aWatchedThread.interrupt();
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}
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}
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}
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}
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}
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}
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