Package com.sun.star.beans

Source Code of com.sun.star.beans.LocalOfficeWindow

/*************************************************************************
*
* 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: LocalOfficeWindow.java,v $
* $Revision: 1.5 $
*
* 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 com.sun.star.beans;

import java.awt.Component;
import java.awt.Canvas;

import com.sun.star.lang.EventObject;
import com.sun.star.lang.SystemDependent;
import com.sun.star.lang.XComponent;
import com.sun.star.lang.XEventListener;
import com.sun.star.lang.XMultiServiceFactory;
import com.sun.star.lang.XMultiComponentFactory;
import com.sun.star.awt.Rectangle;
import com.sun.star.awt.XWindow;
import com.sun.star.awt.XWindowPeer;
import com.sun.star.awt.XVclWindowPeer;
import com.sun.star.awt.XToolkit;
import com.sun.star.awt.WindowDescriptor;
import com.sun.star.awt.WindowAttribute;
import com.sun.star.awt.WindowClass;
import com.sun.star.uno.UnoRuntime;
import com.sun.star.uno.XComponentContext;
import com.sun.star.uno.Exception;

/**
* This class represents a local office window.
* @deprecated
*/
public class LocalOfficeWindow
  extends java.awt.Canvas
  implements OfficeWindow, XEventListener
{
  private transient OfficeConnection  mConnection;
  private transient XWindowPeer    mParentProxy;
  private transient XWindowPeer    mWindow;
  private boolean       bPeer = false;

  /**
   * Construnctor.
   *
   * @param connection The office connection object the window
   *  belongs to.
   */
  /* package */ LocalOfficeWindow(OfficeConnection connection)
  {
    mConnection  = connection;
    mConnection.addEventListener((XEventListener)this);
  }

  /**
   * Retrives an AWT component object associated with the OfficeWindow.
   *
   * @return The AWT component object associated with the OfficeWindow.
   */
  public Component getAWTComponent()
  {
    return this;
  }

  /**
   * Retrives an UNO XWindowPeer object associated with the OfficeWindow.
   *
   * @return The UNO XWindowPeer object associated with the OfficeWindow.
   */
  public XWindowPeer getUNOWindowPeer()
  {
    if (mWindow == null)
      createUNOWindowPeer();
    return mWindow;
  }

  /**
   * Receives a notification about the connection has been closed.
   * This method has to set the connection to <code>null</code>.
   *
   * @source The event object.
   */
  public void disposing(EventObject source)
  {
    // the window will be disposed by the framework
    mWindow = null;
    mConnection  = null;
  }

  /**
  * Returns an AWT toolkit.
        */
       private XToolkit queryAWTToolkit()
               throws com.sun.star.uno.Exception
       {
      // Create a UNO toolkit.
      XMultiComponentFactory  compfactory;
      XComponentContext xContext = mConnection.getComponentContext();
      if ( xContext != null )
      {
        compfactory     = mConnection.getComponentContext().getServiceManager();
        XMultiServiceFactory    factory;
        factory = (XMultiServiceFactory)UnoRuntime.queryInterface(
            XMultiServiceFactory.class, compfactory);
        Object          object  = factory.createInstance( "com.sun.star.awt.Toolkit");
        return (XToolkit)UnoRuntime.queryInterface(XToolkit.class, object);
      }
      else
        return null;
       }
         /// called when system parent is available, reparents the bean window
  private void aquireSystemWindow()
  {
    if ( !bPeer )
    {
      // set real parent
      XVclWindowPeer xVclWindowPeer = (XVclWindowPeer)UnoRuntime.queryInterface(
                               XVclWindowPeer.class, mWindow);
      xVclWindowPeer.setProperty( "PluginParent", new Long(getNativeWindow()) );
      bPeer = true;

             // show document window
      XWindow aWindow = (XWindow)UnoRuntime.queryInterface(XWindow.class, mWindow);
      aWindow.setVisible( true );
    }
  }

         /// called when system parent is about to die, reparents the bean window
  private void releaseSystemWindow()
  {
    if ( bPeer )
    {
             // hide document window
      XWindow aWindow = (XWindow)UnoRuntime.queryInterface(XWindow.class, mWindow);
      aWindow.setVisible( false );

      // set null parent
      XVclWindowPeer xVclWindowPeer = (XVclWindowPeer)UnoRuntime.queryInterface(
                               XVclWindowPeer.class, mWindow);
      xVclWindowPeer.setProperty( "PluginParent", new Long(0) );
      bPeer = false;
    }
  }

       /// callback handler to get to know when we become visible
        //@deprecated
       class ComponentEventHandler
               extends java.awt.event.ComponentAdapter
       {
    public void componentHidden( java.awt.event.ComponentEvent e)
    {
      // only when we become invisible, we might lose our system window
      CallWatchThread aCallWatchThread = new CallWatchThread( 500 );
      setVisible(false);
      try { aCallWatchThread.cancel(); }
      catch ( java.lang.InterruptedException aExc )
      {} // ignore
    }

    public void componentShown( java.awt.event.ComponentEvent e)
    {
      // only when we become visible, we get a system window
       aquireSystemWindow();
    }
  }

  /// Overriding java.awt.Component.setVisible() due to Java bug (no showing event).
  public void setVisible( boolean b )
  {
    super.setVisible(b);

    // Java-Bug: componentShown() is never called :-(
    // is still at least in Java 1.4.1_02
    if ( b )
      aquireSystemWindow();
    else
      releaseSystemWindow();
 
  
       /** Factory method for a UNO AWT toolkit window as a child of this Java window.
  *
  */
       private XWindowPeer createUNOWindowPeer()
       {
    try
    {
      // get this windows native window type
                        int type = getNativeWindowSystemType();

                        // Java AWT windows only have a system window when showing.
                        XWindowPeer parentPeer;
                        if ( isShowing() )
                        {
        // create direct parent relationship
        //setVisible( true );
                                parentPeer = new JavaWindowPeerFake( getNativeWindow(), type);
        bPeer = true;
                        }
                        else
      {
        // no parent yet
        parentPeer = null;
        bPeer = false;
      }

      // create native window (mWindow)
      Rectangle aRect = new Rectangle( 0, 0, 20, 20 );
      WindowDescriptor desc = new WindowDescriptor();
      desc.Type = WindowClass.TOP;
      desc.Parent = parentPeer;
      desc.Bounds = aRect;
      desc.WindowServiceName = "workwindow";
      desc.WindowAttributes = (type == SystemDependent.SYSTEM_WIN32
        ? WindowAttribute.SHOW : 0;
      mWindow  = queryAWTToolkit().createWindow(desc);

      // to get notified when we become visible
      addComponentListener( new ComponentEventHandler() );

      // set initial visibility
                        XWindow aWindow = (XWindow)UnoRuntime.queryInterface(XWindow.class, mWindow);
      aWindow.setVisible( bPeer );
    }
    catch (com.sun.star.uno.Exception exp) {
    }

    return mWindow;
  }

  /**
   * Retrives a platform dependant system window identifier.
   *
   * @return The system window identifier.
   */
    private native long getNativeWindow();

  /**
   * Retrives a platform dependant system window type.
   *
   * @return The system window type.
   */
  private native int getNativeWindowSystemType();

        //---------------------------------------------------------------------------
        /** Helper class to watch calls into OOo with a timeout.
         * @deprecated
         */
        class CallWatchThread extends Thread
        {
                Thread aWatchedThread;
                long nTimeout;

                CallWatchThread( long nTimeout )
                {
                        this.aWatchedThread = Thread.currentThread();
                        this.nTimeout = nTimeout;
                        start();
                }

                void cancel()
                        throws java.lang.InterruptedException
                {
                        Thread aThread = aWatchedThread;
                        aWatchedThread = null;
                        stop();

                        if ( aThread.interrupted() )
                                throw new InterruptedException();
                }

                public void run()
                {
                        while ( aWatchedThread != null )
                        {
                                try { sleep( nTimeout ); }
                                catch ( java.lang.InterruptedException aExc )
                                {}

                                //synchronized
                                {
                                        if ( aWatchedThread != null )
                                        {
                                                aWatchedThread.interrupt();
                                        }
                                }
                        }
                }
        };

}
TOP

Related Classes of com.sun.star.beans.LocalOfficeWindow

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.