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+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
+ */
+
+package com.sun.star.comp.beans;
+
+import java.awt.Component;
+
+import com.sun.star.lang.EventObject;
+import com.sun.star.lang.SystemDependent;
+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.Any;
+import com.sun.star.uno.Type;
+import com.sun.star.beans.NamedValue;
+
+/**
+ * This class represents a local office window.
+ *
+ * @since OOo 2.0.0
+ */
+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;
+
+ /**
+ * Constructor.
+ *
+ * @param connection The office connection object the window
+ * belongs to.
+ */
+ protected LocalOfficeWindow(OfficeConnection connection)
+ {
+ mConnection = connection;
+ mConnection.addEventListener(this);
+ }
+
+ /**
+ * Retrieves an AWT component object associated with the OfficeWindow.
+ *
+ * @return The AWT component object associated with the OfficeWindow.
+ */
+ public Component getAWTComponent()
+ {
+ return this;
+ }
+
+ /**
+ * Receives a notification about the connection has been closed.
+ * This method has to set the connection to <code>null</code>.
+ *
+ * @param source The event object.
+ */
+ public synchronized 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.
+ XComponentContext xContext = mConnection.getComponentContext();
+ if (xContext == null)
+ throw new RuntimeException("no context");
+ XMultiComponentFactory compfactory = xContext.getServiceManager();
+ XMultiServiceFactory factory = UnoRuntime.queryInterface(
+ XMultiServiceFactory.class, compfactory);
+ Object object = factory.createInstance( "com.sun.star.awt.Toolkit");
+ return UnoRuntime.queryInterface(XToolkit.class, object);
+ }
+
+ /// called when system parent is available, reparents the bean window
+ private synchronized void aquireSystemWindow()
+ {
+ if ( !bPeer )
+ {
+ // set real parent
+ XVclWindowPeer xVclWindowPeer = UnoRuntime.queryInterface(
+ XVclWindowPeer.class, mWindow);
+
+ xVclWindowPeer.setProperty( "PluginParent", getWrappedWindowHandle());
+ bPeer = true;
+ // show document window
+ XWindow aWindow = UnoRuntime.queryInterface(XWindow.class, mWindow);
+ aWindow.setVisible( true );
+ }
+ }
+
+ /// called when system parent is about to die, reparents the bean window
+ private synchronized void releaseSystemWindow()
+ {
+ if ( bPeer )
+ {
+ // hide document window
+ XWindow aWindow = UnoRuntime.queryInterface(XWindow.class, mWindow);
+ aWindow.setVisible( false );
+
+ // set null parent
+ XVclWindowPeer xVclWindowPeer = UnoRuntime.queryInterface(
+ XVclWindowPeer.class, mWindow);
+ xVclWindowPeer.setProperty( "PluginParent", Long.valueOf(0) );
+ bPeer = false;
+ }
+ }
+
+
+ /// Overriding java.awt.Component.setVisible() due to Java bug (no showing event).
+ @Override
+ 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();
+ }
+
+ /**
+ * Retrieves a UNO XWindowPeer object associated with the OfficeWindow.
+ *
+ * @return The UNO XWindowPeer object associated with the OfficeWindow.
+ */
+ public synchronized XWindowPeer getUNOWindowPeer()
+ {
+ if (mWindow != null)
+ return mWindow;
+
+ 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
+ parentPeer = new JavaWindowPeerFake(getWrappedWindowHandle(), 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);
+
+
+ // set initial visibility
+ XWindow aWindow = UnoRuntime.queryInterface(XWindow.class, mWindow);
+ aWindow.setVisible( bPeer );
+ }
+ catch (com.sun.star.uno.Exception exp) {
+ }
+
+ return mWindow;
+ }
+
+ /** We make sure that the office window is notified that the parent
+ * will be removed.
+ */
+ @Override
+ public void removeNotify()
+ {
+ try {
+ releaseSystemWindow();
+ } catch (java.lang.Exception e) {
+ System.err.println("LocaleOfficeWindow.removeNotify: Exception in releaseSystemWindow.");
+ System.err.println(e.getMessage());
+ e.printStackTrace(System.err);
+ }
+ super.removeNotify();
+ }
+
+ /**
+ * Retrieves a platform dependent system window identifier.
+ *
+ * @return The system window identifier.
+ */
+ private native long getNativeWindow();
+
+ /**
+ * Retrieves a platform dependent system window type.
+ *
+ * @return The system window type.
+ */
+ private native int getNativeWindowSystemType();
+
+ /**
+ * Returns an Any containing a sequences of com.sun.star.beans.NamedValue. One NamedValue
+ * contains the name "WINDOW" and the value is a Long representing the window handle.
+ * The second NamedValue has the name "XEMBED" and the value is true, when the XEmbed
+ * protocol shall be used for embedding the native Window.
+ */
+ protected Any getWrappedWindowHandle()
+ {
+
+ NamedValue window = new NamedValue(
+ "WINDOW", new Any(new Type(Long.class), Long.valueOf(getNativeWindow())));
+ NamedValue xembed = new NamedValue(
+ "XEMBED", new Any(new Type(Boolean.class), Boolean.FALSE));
+
+ if (getNativeWindowSystemType() == SystemDependent.SYSTEM_XWINDOW )
+ {
+ String vendor = System.getProperty("java.vendor");
+ if ((vendor.equals("Sun Microsystems Inc.") || vendor.equals("Oracle Corporation"))
+ && Boolean.getBoolean("sun.awt.xembedserver"))
+ {
+ xembed = new NamedValue(
+ "XEMBED",
+ new Any(new Type(Boolean.class), Boolean.TRUE));
+ }
+ }
+ return new Any(
+ new Type("[]com.sun.star.beans.NamedValue"),
+ new NamedValue[] {window, xembed});
+ }
+
+}
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