簡報遙控

<% /* * mpresent.jsp * * Created on 2010-07-13 (Original CGI 2010-07-07) * * Copyright (c) 2010 imacat * * version 0.01 */ %><%@ page contentType="text/html; charset=utf-8" import="com.sun.star.beans.PropertyValue" import="com.sun.star.bridge.XUnoUrlResolver" import="com.sun.star.comp.helper.Bootstrap" import="com.sun.star.frame.XDesktop" import="com.sun.star.lang.XComponent" import="com.sun.star.lang.XMultiComponentFactory" import="com.sun.star.uno.UnoRuntime" import="com.sun.star.uno.XComponentContext" import="com.sun.star.ucb.XFileIdentifierConverter" import="com.sun.star.container.XEnumeration" import="com.sun.star.container.XEnumerationAccess" import="com.sun.star.frame.XModel" import="com.sun.star.lang.XServiceInfo" import="com.sun.star.drawing.XDrawPages" import="com.sun.star.drawing.XDrawPagesSupplier" import="com.sun.star.frame.XComponentLoader" import="com.sun.star.presentation.XPresentation" import="com.sun.star.presentation.XPresentation2" import="com.sun.star.presentation.XPresentationSupplier" import="com.sun.star.presentation.XSlideShowController" import="java.util.Hashtable" import="java.util.Vector" %><%! /** The servlet request */ private HttpServletRequest r = null; /** The desktop service. */ private Object desktop = null; /** The bootstrap context. */ private XComponentContext bootstrapContext = null; /** The registry service manager. */ private XMultiComponentFactory serviceManager = null; /** The document. */ private XComponent doc = null; /** The action type. */ private ActionType action = null; /** The file. */ private String file = null; /** The current slide index. */ private int currentSlide = -1; /** The goto slide index. */ private int slide = -1; /** The slide indeces of all the opened presentations. */ private Hashtable savedSlideIndeces = new Hashtable(); /** The presentation document files. */ private Vector allFiles = new Vector(); /** * Parses the arguments. * */ private void parseArguments() { this.action = null; this.file = null; this.currentSlide = -1; this.slide = -1; if (this.allFiles.size() == 0) { this.allFiles.add(new PresentationFile( "/home/imacat/ooomagic.odp", "OpenOffice.org的UNO魔術")); this.allFiles.add(new PresentationFile( "/home/imacat/（一）初級篇.odp", "Perl Regular Expression初級篇")); this.allFiles.add(new PresentationFile( "/home/imacat/（二）進階篇.odp", "Perl Regular Expression進階篇")); this.allFiles.add(new PresentationFile( "/home/imacat/ooomagic-real.odp", "真•OpenOffice.org的UNO魔術")); this.allFiles.add(new PresentationFile( "/home/imacat/ooomagic-real-real.odp", "真•真•OpenOffice.org的UNO魔術")); } try { this.r.setCharacterEncoding("UTF-8"); } catch (java.io.UnsupportedEncodingException e) { throw new java.lang.IllegalArgumentException(e); } if (this.r.getMethod().equals("POST")) { if (this.r.getParameter("start") != null) { this.action = ActionType.START; } else if (this.r.getParameter("next") != null) { this.action = ActionType.NEXT; } else if (this.r.getParameter("previous") != null) { this.action = ActionType.PREVIOUS; } else if (this.r.getParameter("stop") != null) { this.action = ActionType.STOP; } else if (this.r.getParameter("goto") != null) { this.action = ActionType.GOTO; } else if (this.r.getParameter("close") != null) { this.action = ActionType.CLOSE; } this.file = this.r.getParameter("file"); if (this.r.getParameter("slide") != null && !this.r.getParameter("slide").equals("")) { this.slide = Integer.parseInt(this.r.getParameter("slide")) - 1; } } return; } /** * Shows the HTML presentation controller page. * * @return the HTML of the page */ private String showHTML() { String html = null; String script = this.r.getServletPath(); int pos = 0; pos = script.lastIndexOf('/'); script = script.substring(pos + 1); html = "\n" + "\n" + "\n" + "\n" + "\n" + "\n" + "簡報遙控\n" + "\n" + "\n"; if (this.doc != null) { XDrawPagesSupplier xDrawPagesSupplier = null; int count = -1; xDrawPagesSupplier = (XDrawPagesSupplier) UnoRuntime.queryInterface( XDrawPagesSupplier.class, this.doc); count = xDrawPagesSupplier.getDrawPages().getCount(); html += "\n"; } html += "\n" + "\n" + ""; return html; } /** * Connects to the OpenOffice.org process. * * @param host specifies the host name * @param port specifies the port number * @throws com.sun.star.comp.helper.BootstrapException if fails to * create the initial component context * @throws com.sun.star.connection.NoConnectException if no one * is accepting on the specified resource. * @throws com.sun.star.connection.ConnectionSetupException if * it is not possible to accept on a local resource */ private void connect(String host, int port) throws com.sun.star.comp.helper.BootstrapException, com.sun.star.connection.NoConnectException, com.sun.star.connection.ConnectionSetupException { boolean doConnect = false; XComponentContext localContext; XMultiComponentFactory localServiceManager = null; Object unoUrlResolver = null; XUnoUrlResolver xUnoUrlResolver = null; Object bootstrapContext = null; if (this.desktop == null) { doConnect = true; } else { try { UnoRuntime.queryInterface(XDesktop.class, this.desktop); } catch (com.sun.star.lang.DisposedException e) { doConnect = true; } } if (!doConnect) { return; } // Obtain the local context try { localContext = Bootstrap.createInitialComponentContext(null); } catch (java.lang.Exception e) { throw new com.sun.star.comp.helper.BootstrapException(e); } if (localContext == null) { throw new com.sun.star.comp.helper.BootstrapException( "Failed to obtain the local OpenOffice.org component context."); } // Obtain the local service manager localServiceManager = localContext.getServiceManager(); // Obtain the URL resolver try { unoUrlResolver = localServiceManager.createInstanceWithContext( "com.sun.star.bridge.UnoUrlResolver", localContext); } catch (com.sun.star.uno.Exception e) { throw new java.lang.UnsupportedOperationException(e); } xUnoUrlResolver = (XUnoUrlResolver) UnoRuntime.queryInterface( XUnoUrlResolver.class, unoUrlResolver); // Obtain the context try { bootstrapContext = xUnoUrlResolver.resolve(String.format( "uno:socket,host=%s,port=%d;urp;StarOffice.ComponentContext", host, port)); } catch (com.sun.star.connection.NoConnectException e) { throw e; } catch (com.sun.star.connection.ConnectionSetupException e) { throw e; } catch (com.sun.star.lang.IllegalArgumentException e) { throw new java.lang.IllegalArgumentException(e); } if (bootstrapContext == null) { throw new java.lang.UnsupportedOperationException( String.format("Failed to connect to OpenOffice.org at %s:%d.", host, port)); } this.bootstrapContext = (XComponentContext) UnoRuntime.queryInterface( XComponentContext.class, bootstrapContext); // Obtain the service manager this.serviceManager = this.bootstrapContext.getServiceManager(); // Obtain the desktop service try { this.desktop = this.serviceManager.createInstanceWithContext( "com.sun.star.frame.Desktop", this.bootstrapContext); } catch (com.sun.star.uno.Exception e) { throw new java.lang.UnsupportedOperationException(e); } } /** * Finds the already-opened document. * */ private void findDocument() { Object fileContentProvider = null; XFileIdentifierConverter xFileIdentifierConverter = null; String url = null; XDesktop xDesktop = null; XEnumerationAccess xEnumerationAccess = null; XEnumeration xEnumeration = null; boolean isRunning = false; try { fileContentProvider = this.serviceManager.createInstanceWithContext( "com.sun.star.ucb.FileContentProvider", this.bootstrapContext); } catch (com.sun.star.uno.Exception e) { throw new java.lang.UnsupportedOperationException(e); } xFileIdentifierConverter = (XFileIdentifierConverter) UnoRuntime.queryInterface( XFileIdentifierConverter.class, fileContentProvider); url = xFileIdentifierConverter.getFileURLFromSystemPath( "", this.file); this.doc = null; // Obtain all the components xDesktop = (XDesktop) UnoRuntime.queryInterface( XDesktop.class, this.desktop); xEnumerationAccess = xDesktop.getComponents(); xEnumeration = xEnumerationAccess.createEnumeration(); while (xEnumeration.hasMoreElements()) { Object component = null; XServiceInfo xServiceInfo = null; XPresentationSupplier xPresentationSupplier = null; XPresentation xPresentation = null; XPresentation2 xPresentation2 = null; XModel xModel = null; boolean isThisDocument = false; try { component = xEnumeration.nextElement(); } catch (com.sun.star.container.NoSuchElementException e) { throw new java.util.NoSuchElementException(e.getMessage()); } catch (com.sun.star.lang.WrappedTargetException e) { throw new java.lang.RuntimeException(e); } xServiceInfo = (XServiceInfo) UnoRuntime.queryInterface( XServiceInfo.class, component); if (xServiceInfo == null) { continue; } if (!xServiceInfo.supportsService( "com.sun.star.presentation.PresentationDocument")) { continue; } xModel = (XModel) UnoRuntime.queryInterface( XModel.class, component); if (url.equals(xModel.getURL())) { this.doc = (XComponent) UnoRuntime.queryInterface( XComponent.class, component); isThisDocument = true; } xPresentationSupplier = (XPresentationSupplier) UnoRuntime.queryInterface( XPresentationSupplier.class, component); xPresentation = xPresentationSupplier.getPresentation(); xPresentation2 = (XPresentation2) UnoRuntime.queryInterface( XPresentation2.class, xPresentation); if (!isThisDocument && xPresentation2.isRunning()) { XSlideShowController xSlideShowController = xPresentation2.getController(); this.savedSlideIndeces.put(xModel.getURL(), xSlideShowController.getCurrentSlideIndex()); xPresentation2.end(); } } } /** * Opens the presentation document. * * @throws java.io.IOException when file couldn't be found or was corrupt */ private void open() throws java.io.IOException { Object fileContentProvider = null; XFileIdentifierConverter xFileIdentifierConverter = null; String url = null; XComponentLoader xComponentLoader = null; PropertyValue props[] = new PropertyValue[0]; XPresentationSupplier xPresentationSupplier = null; XPresentation xPresentation = null; XPresentation2 xPresentation2 = null; XSlideShowController xSlideShowController = null; if (this.doc == null) { try { fileContentProvider = this.serviceManager.createInstanceWithContext( "com.sun.star.ucb.FileContentProvider", this.bootstrapContext); } catch (com.sun.star.uno.Exception e) { throw new java.lang.UnsupportedOperationException(e); } xFileIdentifierConverter = (XFileIdentifierConverter) UnoRuntime.queryInterface( XFileIdentifierConverter.class, fileContentProvider); // Open the file url = xFileIdentifierConverter.getFileURLFromSystemPath( "", this.file); xComponentLoader = (XComponentLoader) UnoRuntime.queryInterface( XComponentLoader.class, this.desktop); try { this.doc = xComponentLoader.loadComponentFromURL( url, "_default", 0, props); } catch (com.sun.star.io.IOException e) { throw new java.io.IOException(e); } catch (com.sun.star.lang.IllegalArgumentException e) { throw new java.lang.IllegalArgumentException(e); } if (this.savedSlideIndeces.containsKey(url)) { this.savedSlideIndeces.remove(url); } } // Obtain the presentation xPresentationSupplier = (XPresentationSupplier) UnoRuntime.queryInterface( XPresentationSupplier.class, this.doc); xPresentation = xPresentationSupplier.getPresentation(); xPresentation2 = (XPresentation2) UnoRuntime.queryInterface( XPresentation2.class, xPresentation); // Obtain the current slide if (xPresentation2.isRunning()) { xSlideShowController = xPresentation2.getController(); this.currentSlide = xSlideShowController.getCurrentSlideIndex(); // Start the presentation if not started yet } else { if (this.action != ActionType.STOP) { XModel xModel = null; xPresentation2.start(); while (!xPresentation2.isRunning()) { } xSlideShowController = xPresentation2.getController(); xModel = (XModel) UnoRuntime.queryInterface( XModel.class, this.doc); url = xModel.getURL(); if (this.savedSlideIndeces.containsKey(url)) { this.currentSlide = this.savedSlideIndeces.get(url); } else { this.currentSlide = -1; } // Go to the current slide if (this.currentSlide == -1) { if (xSlideShowController.getCurrentSlideIndex() != 0) { xSlideShowController.gotoSlideIndex(0); } } else { if ( xSlideShowController.getCurrentSlideIndex() != this.currentSlide) { xSlideShowController.gotoSlideIndex(this.currentSlide); } } // Redraw the screen for sometimes the screen is black xSlideShowController.gotoNextSlide(); try { Thread.currentThread().sleep(50); } catch (java.lang.InterruptedException e) { } xSlideShowController.gotoPreviousSlide(); } } return; } /** * Starts the presentation. * */ private void start() { XPresentationSupplier xPresentationSupplier = null; XPresentation xPresentation = null; XPresentation2 xPresentation2 = null; XSlideShowController xSlideShowController = null; xPresentationSupplier = (XPresentationSupplier) UnoRuntime.queryInterface( XPresentationSupplier.class, this.doc); xPresentation = xPresentationSupplier.getPresentation(); xPresentation2 = (XPresentation2) UnoRuntime.queryInterface( XPresentation2.class, xPresentation); xSlideShowController = xPresentation2.getController(); this.currentSlide = xSlideShowController.getCurrentSlideIndex(); return; } /** * Goes to the next slide. * */ private void gotoNextSlide() { XPresentationSupplier xPresentationSupplier = null; XPresentation xPresentation = null; XPresentation2 xPresentation2 = null; XSlideShowController xSlideShowController = null; xPresentationSupplier = (XPresentationSupplier) UnoRuntime.queryInterface( XPresentationSupplier.class, this.doc); xPresentation = xPresentationSupplier.getPresentation(); xPresentation2 = (XPresentation2) UnoRuntime.queryInterface( XPresentation2.class, xPresentation); xSlideShowController = xPresentation2.getController(); xSlideShowController.gotoNextSlide(); this.currentSlide = xSlideShowController.getCurrentSlideIndex(); return; } /** * Goes to the previous slide. * */ private void gotoPreviousSlide() { XPresentationSupplier xPresentationSupplier = null; XPresentation xPresentation = null; XPresentation2 xPresentation2 = null; XSlideShowController xSlideShowController = null; xPresentationSupplier = (XPresentationSupplier) UnoRuntime.queryInterface( XPresentationSupplier.class, this.doc); xPresentation = xPresentationSupplier.getPresentation(); xPresentation2 = (XPresentation2) UnoRuntime.queryInterface( XPresentation2.class, xPresentation); xSlideShowController = xPresentation2.getController(); xSlideShowController.gotoPreviousSlide(); this.currentSlide = xSlideShowController.getCurrentSlideIndex(); return; } /** * Stops the presentation * */ private void stop() { XPresentationSupplier xPresentationSupplier = null; XPresentation xPresentation = null; XPresentation2 xPresentation2 = null; xPresentationSupplier = (XPresentationSupplier) UnoRuntime.queryInterface( XPresentationSupplier.class, this.doc); xPresentation = xPresentationSupplier.getPresentation(); xPresentation2 = (XPresentation2) UnoRuntime.queryInterface( XPresentation2.class, xPresentation); if (xPresentation2.isRunning()) { XSlideShowController xSlideShowController = xPresentation2.getController(); XModel xModel = (XModel) UnoRuntime.queryInterface( XModel.class, this.doc); this.savedSlideIndeces.put(xModel.getURL(), xSlideShowController.getCurrentSlideIndex()); xPresentation.end(); } return; } /** * Goes to a specific slide. * */ private void gotoSlide() { XPresentationSupplier xPresentationSupplier = null; XPresentation xPresentation = null; XPresentation2 xPresentation2 = null; XSlideShowController xSlideShowController = null; xPresentationSupplier = (XPresentationSupplier) UnoRuntime.queryInterface( XPresentationSupplier.class, this.doc); xPresentation = xPresentationSupplier.getPresentation(); xPresentation2 = (XPresentation2) UnoRuntime.queryInterface( XPresentation2.class, xPresentation); xSlideShowController = xPresentation2.getController(); xSlideShowController.gotoSlideIndex(this.slide); this.currentSlide = xSlideShowController.getCurrentSlideIndex(); return; } /** * Closes the presentation document. * */ private void close() { this.doc.dispose(); this.doc = null; return; } /** * The action type. * * @author imacat * @version 0.01 */ private enum ActionType { /** Starts the presentation. */ START, /** Goes to the next slide. */ NEXT, /** Goes to the previous slide. */ PREVIOUS, /** Stop the presentation. */ STOP, /** Goes to a specific slide. */ GOTO, /** Closes the presentation document. */ CLOSE; } /** * The presentation file. * * @author imacat * @version 0.01 */ private class PresentationFile { /** The document file. */ private String file = null; /** The document title. */ private String title = null; /** * Creates a new instance of PresentationFile. * * @param file the document file * @param title the document title */ private PresentationFile(String file, String title) { this.file = file; this.title = title; } /** * Returns the document file. * * @return the document file */ private String getFile() { return this.file; } /** * Returns the document title. * * @return the document title */ private String getTitle() { return this.title; } } %><% this.r = request; this.parseArguments(); if (this.action != null) { this.connect("localhost", 2002); this.findDocument(); this.open(); switch (this.action) { case START: this.start(); break; case NEXT: this.gotoNextSlide(); break; case PREVIOUS: this.gotoPreviousSlide(); break; case STOP: this.stop(); break; case CLOSE: this.stop(); this.close(); break; case GOTO: this.gotoSlide(); break; } } out.print(this.showHTML()); %>