1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 package com.sun.star.comp.beans; 25 26 import java.awt.Component; 27 28 import com.sun.star.lang.EventObject; 29 import com.sun.star.lang.SystemDependent; 30 import com.sun.star.lang.XEventListener; 31 import com.sun.star.lang.XMultiServiceFactory; 32 import com.sun.star.lang.XMultiComponentFactory; 33 import com.sun.star.awt.Rectangle; 34 import com.sun.star.awt.XWindow; 35 import com.sun.star.awt.XWindowPeer; 36 import com.sun.star.awt.XVclWindowPeer; 37 import com.sun.star.awt.XToolkit; 38 import com.sun.star.awt.WindowDescriptor; 39 import com.sun.star.awt.WindowAttribute; 40 import com.sun.star.awt.WindowClass; 41 import com.sun.star.uno.UnoRuntime; 42 import com.sun.star.uno.XComponentContext; 43 import com.sun.star.uno.Any; 44 import com.sun.star.uno.Type; 45 import com.sun.star.beans.NamedValue; 46 47 /** 48 * This class represents a local office window. 49 * 50 * @since OOo 2.0.0 51 */ 52 public class LocalOfficeWindow 53 extends java.awt.Canvas 54 implements OfficeWindow, XEventListener 55 { 56 private transient OfficeConnection mConnection; 57 private transient XWindowPeer mParentProxy; 58 private transient XWindowPeer mWindow; 59 private boolean bPeer = false; 60 61 /** 62 * Construnctor. 63 * 64 * @param connection The office connection object the window 65 * belongs to. 66 */ 67 protected LocalOfficeWindow(OfficeConnection connection) 68 { 69 mConnection = connection; 70 mConnection.addEventListener((XEventListener)this); 71 } 72 73 /** 74 * Retrives an AWT component object associated with the OfficeWindow. 75 * 76 * @return The AWT component object associated with the OfficeWindow. 77 */ 78 public Component getAWTComponent() 79 { 80 return this; 81 } 82 83 /** 84 * Retrives an UNO XWindowPeer object associated with the OfficeWindow. 85 * 86 * @return The UNO XWindowPeer object associated with the OfficeWindow. 87 */ 88 public XWindowPeer getUNOWindowPeer() 89 { 90 if (mWindow == null) 91 createUNOWindowPeer(); 92 return mWindow; 93 } 94 95 /** 96 * Receives a notification about the connection has been closed. 97 * This method has to set the connection to <code>null</code>. 98 * 99 * @source The event object. 100 */ 101 public void disposing(EventObject source) 102 { 103 // the window will be disposed by the framework 104 mWindow = null; 105 mConnection = null; 106 } 107 108 /** 109 * Returns an AWT toolkit. 110 */ 111 private XToolkit queryAWTToolkit() 112 throws com.sun.star.uno.Exception 113 { 114 // Create a UNO toolkit. 115 XMultiComponentFactory compfactory; 116 XComponentContext xContext = mConnection.getComponentContext(); 117 if ( xContext != null ) 118 { 119 compfactory = mConnection.getComponentContext().getServiceManager(); 120 XMultiServiceFactory factory; 121 factory = (XMultiServiceFactory)UnoRuntime.queryInterface( 122 XMultiServiceFactory.class, compfactory); 123 Object object = factory.createInstance( "com.sun.star.awt.Toolkit"); 124 return (XToolkit)UnoRuntime.queryInterface(XToolkit.class, object); 125 } 126 else 127 return null; 128 } 129 130 /// called when system parent is available, reparents the bean window 131 private synchronized void aquireSystemWindow() 132 { 133 if ( !bPeer ) 134 { 135 // set real parent 136 XVclWindowPeer xVclWindowPeer = (XVclWindowPeer)UnoRuntime.queryInterface( 137 XVclWindowPeer.class, mWindow); 138 139 xVclWindowPeer.setProperty( "PluginParent", getWrappedWindowHandle()); 140 bPeer = true; 141 // show document window 142 XWindow aWindow = (XWindow)UnoRuntime.queryInterface(XWindow.class, mWindow); 143 aWindow.setVisible( true ); 144 } 145 } 146 147 /// called when system parent is about to die, reparents the bean window 148 private synchronized void releaseSystemWindow() 149 { 150 if ( bPeer ) 151 { 152 // hide document window 153 XWindow aWindow = (XWindow)UnoRuntime.queryInterface(XWindow.class, mWindow); 154 aWindow.setVisible( false ); 155 156 // set null parent 157 XVclWindowPeer xVclWindowPeer = (XVclWindowPeer)UnoRuntime.queryInterface( 158 XVclWindowPeer.class, mWindow); 159 xVclWindowPeer.setProperty( "PluginParent", new Long(0) ); 160 bPeer = false; 161 } 162 } 163 164 165 /// Overriding java.awt.Component.setVisible() due to Java bug (no showing event). 166 public void setVisible( boolean b ) 167 { 168 super.setVisible(b); 169 170 // Java-Bug: componentShown() is never called :-( 171 // is still at least in Java 1.4.1_02 172 if ( b ) 173 aquireSystemWindow(); 174 else 175 releaseSystemWindow(); 176 } 177 178 /** Factory method for a UNO AWT toolkit window as a child of this Java window. 179 * 180 */ 181 private synchronized XWindowPeer createUNOWindowPeer() 182 { 183 try 184 { 185 // get this windows native window type 186 int type = getNativeWindowSystemType(); 187 188 // Java AWT windows only have a system window when showing. 189 XWindowPeer parentPeer; 190 if ( isShowing() ) 191 { 192 // create direct parent relationship 193 //setVisible( true ); 194 parentPeer = new JavaWindowPeerFake(getWrappedWindowHandle(), type); 195 bPeer = true; 196 } 197 else 198 { 199 // no parent yet 200 parentPeer = null; 201 bPeer = false; 202 } 203 204 // create native window (mWindow) 205 Rectangle aRect = new Rectangle( 0, 0, 20, 20 ); 206 WindowDescriptor desc = new WindowDescriptor(); 207 desc.Type = WindowClass.TOP; 208 desc.Parent = parentPeer; 209 desc.Bounds = aRect; 210 desc.WindowServiceName = "workwindow"; 211 desc.WindowAttributes = (type == SystemDependent.SYSTEM_WIN32) 212 ? WindowAttribute.SHOW : 0; 213 mWindow = queryAWTToolkit().createWindow(desc); 214 215 216 // set initial visibility 217 XWindow aWindow = (XWindow)UnoRuntime.queryInterface(XWindow.class, mWindow); 218 aWindow.setVisible( bPeer ); 219 } 220 catch (com.sun.star.uno.Exception exp) { 221 } 222 223 return mWindow; 224 } 225 /** We make sure that the office window is notified that the parent 226 * will be removed. 227 */ 228 public void removeNotify() 229 { 230 try { 231 releaseSystemWindow(); 232 } catch (java.lang.Exception e) { 233 System.err.println("LocaleOfficeWindow.removeNotify: Exception in releaseSystemWindow."); 234 System.err.println(e.getMessage()); 235 e.printStackTrace(System.err); 236 } 237 super.removeNotify(); 238 } 239 240 /** 241 * Retrives a platform dependant system window identifier. 242 * 243 * @return The system window identifier. 244 */ 245 private native long getNativeWindow(); 246 247 /** 248 * Retrives a platform dependant system window type. 249 * 250 * @return The system window type. 251 */ 252 private native int getNativeWindowSystemType(); 253 254 /** 255 Returns an Any containing a sequences of com.sun.star.beans.NamedValue. One NamedValue 256 contains the name "WINDOW" and the value is a Long representing the window handle. 257 The second NamedValue has the name "XEMBED" and the value is true, when the XEmbed 258 protocol shall be used fore embedding the native Window. 259 */ 260 protected Any getWrappedWindowHandle() 261 { 262 263 NamedValue window = new NamedValue( 264 "WINDOW", new Any(new Type(Long.class), new Long(getNativeWindow()))); 265 NamedValue xembed = new NamedValue( 266 "XEMBED", new Any(new Type(Boolean.class), new Boolean(false))); 267 268 if (getNativeWindowSystemType() == SystemDependent.SYSTEM_XWINDOW ) 269 { 270 String vendor = System.getProperty("java.vendor"); 271 if (vendor.equals("Sun Microsystems Inc.") 272 && Boolean.valueOf(System.getProperty("sun.awt.xembedserver")).booleanValue()) 273 { 274 xembed = new NamedValue( 275 "XEMBED", 276 new Any(new Type(Boolean.class), new Boolean(true))); 277 } 278 } 279 return new Any( 280 new Type("[]com.sun.star.beans.NamedValue"), 281 new NamedValue[] {window, xembed}); 282 } 283 284 } 285