| /************************************************************** |
| * |
| * 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 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| package com.sun.star.wiki; |
| |
| import com.sun.star.uno.Any; |
| import com.sun.star.awt.XDialog; |
| import com.sun.star.awt.XCallback; |
| import com.sun.star.awt.XMessageBox; |
| import com.sun.star.awt.XRequestCallback; |
| import com.sun.star.lang.XMultiComponentFactory; |
| import com.sun.star.uno.UnoRuntime; |
| import com.sun.star.uno.XComponentContext; |
| |
| public class MainThreadDialogExecutor implements XCallback |
| { |
| private WikiDialog m_aWikiDialog; |
| private XDialog m_xDialog; |
| private XMessageBox m_xMessageBox; |
| private boolean m_bResult = false; |
| private boolean m_bCalled = false; |
| private boolean m_bClose = false; |
| |
| static public boolean Show( XComponentContext xContext, WikiDialog aWikiDialog ) |
| { |
| MainThreadDialogExecutor aExecutor = new MainThreadDialogExecutor( aWikiDialog ); |
| return GetCallback( xContext, aExecutor ); |
| } |
| |
| static public boolean Execute( XComponentContext xContext, XDialog xDialog ) |
| { |
| MainThreadDialogExecutor aExecutor = new MainThreadDialogExecutor( xDialog ); |
| return GetCallback( xContext, aExecutor ); |
| } |
| |
| static public boolean Execute( XComponentContext xContext, XMessageBox xMessageBox ) |
| { |
| MainThreadDialogExecutor aExecutor = new MainThreadDialogExecutor( xMessageBox ); |
| return GetCallback( xContext, aExecutor ); |
| } |
| |
| static public boolean Close( XComponentContext xContext, XDialog xDialog ) |
| { |
| MainThreadDialogExecutor aExecutor = new MainThreadDialogExecutor( xDialog, true ); |
| return GetCallback( xContext, aExecutor ); |
| } |
| |
| static private boolean GetCallback( XComponentContext xContext, MainThreadDialogExecutor aExecutor ) |
| { |
| try |
| { |
| if ( aExecutor != null ) |
| { |
| String aThreadName = null; |
| Thread aCurThread = Thread.currentThread(); |
| if ( aCurThread != null ) |
| aThreadName = aCurThread.getName(); |
| |
| if ( aThreadName != null && aThreadName.equals( "com.sun.star.thread.WikiEditorSendingThread" ) ) |
| { |
| // the main thread should be accessed asynchronously |
| XMultiComponentFactory xFactory = xContext.getServiceManager(); |
| if ( xFactory == null ) |
| throw new com.sun.star.uno.RuntimeException(); |
| |
| XRequestCallback xRequest = (XRequestCallback)UnoRuntime.queryInterface( |
| XRequestCallback.class, |
| xFactory.createInstanceWithContext( "com.sun.star.awt.AsyncCallback", xContext ) ); |
| if ( xRequest != null ) |
| { |
| xRequest.addCallback( aExecutor, Any.VOID ); |
| do |
| { |
| Thread.yield(); |
| } |
| while( !aExecutor.m_bCalled ); |
| } |
| } |
| else |
| { |
| // handle it as a main thread |
| aExecutor.notify( Any.VOID ); |
| } |
| } |
| } |
| catch( Exception e ) |
| { |
| e.printStackTrace(); |
| } |
| |
| return aExecutor.GetResult(); |
| } |
| |
| private MainThreadDialogExecutor( WikiDialog aWikiDialog ) |
| { |
| m_aWikiDialog = aWikiDialog; |
| } |
| |
| private MainThreadDialogExecutor( XDialog xDialog ) |
| { |
| m_xDialog = xDialog; |
| } |
| |
| private MainThreadDialogExecutor( XDialog xDialog, boolean bClose ) |
| { |
| m_xDialog = xDialog; |
| m_bClose = true; |
| m_bCalled = true; // no yielding, asynchronous closing |
| } |
| |
| private MainThreadDialogExecutor( XMessageBox xMessageBox ) |
| { |
| m_xMessageBox = xMessageBox; |
| } |
| |
| private boolean GetResult() |
| { |
| return m_bResult; |
| } |
| |
| public void notify( Object aData ) |
| { |
| if ( m_aWikiDialog != null ) |
| m_bResult = m_aWikiDialog.show(); |
| else if ( m_xDialog != null ) |
| { |
| if ( !m_bClose ) |
| m_bResult = ( m_xDialog.execute() == 1 ); |
| else |
| { |
| try |
| { |
| m_xDialog.endExecute(); |
| } |
| catch( Exception e ) |
| { |
| e.printStackTrace(); |
| } |
| m_bResult = true; |
| } |
| } |
| else if ( m_xMessageBox != null ) |
| { |
| int nRes = m_xMessageBox.execute(); |
| m_bResult = ( nRes == com.sun.star.awt.MessageBoxResults.OK |
| || nRes == com.sun.star.awt.MessageBoxResults.YES ); |
| } |
| |
| m_bCalled = true; |
| } |
| }; |
| |