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Diffstat (limited to 'swext/mediawiki/src/com/sun/star/wiki/MainThreadDialogExecutor.java')
| -rw-r--r-- | swext/mediawiki/src/com/sun/star/wiki/MainThreadDialogExecutor.java | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/swext/mediawiki/src/com/sun/star/wiki/MainThreadDialogExecutor.java b/swext/mediawiki/src/com/sun/star/wiki/MainThreadDialogExecutor.java new file mode 100644 index 000000000000..dbf849fa4ef0 --- /dev/null +++ b/swext/mediawiki/src/com/sun/star/wiki/MainThreadDialogExecutor.java @@ -0,0 +1,176 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * 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.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.MessageBoxCommand.OK + || nRes == com.sun.star.awt.MessageBoxCommand.YES ); + } + + m_bCalled = true; + } +}; + |