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/* |
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* JSampler - a java front-end for LinuxSampler |
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* |
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* Copyright (C) 2005 Grigor Kirilov Iliev |
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* |
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* This file is part of JSampler. |
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* |
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* JSampler is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License version 2 |
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* as published by the Free Software Foundation. |
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* |
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* JSampler is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with JSampler; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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* MA 02111-1307 USA |
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*/ |
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|
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package org.jsampler; |
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|
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import java.awt.event.ActionEvent; |
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import java.awt.event.ActionListener; |
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|
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import java.io.ByteArrayInputStream; |
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import java.io.ByteArrayOutputStream; |
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import java.io.FileOutputStream; |
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|
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import java.util.Vector; |
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|
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import java.util.logging.Handler; |
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import java.util.logging.Level; |
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import java.util.logging.Logger; |
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import java.util.logging.SimpleFormatter; |
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import java.util.logging.StreamHandler; |
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|
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import javax.swing.Timer; |
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|
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import net.sf.juife.Task; |
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import net.sf.juife.TaskQueue; |
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|
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import net.sf.juife.event.TaskEvent; |
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import net.sf.juife.event.TaskListener; |
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import net.sf.juife.event.TaskQueueEvent; |
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import net.sf.juife.event.TaskQueueListener; |
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|
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import org.jsampler.event.OrchestraEvent; |
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import org.jsampler.event.OrchestraListEvent; |
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import org.jsampler.event.OrchestraListListener; |
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import org.jsampler.event.OrchestraListener; |
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|
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import org.jsampler.task.*; |
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|
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import org.jsampler.view.JSMainFrame; |
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import org.jsampler.view.JSProgress; |
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|
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import org.linuxsampler.lscp.Client; |
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import org.linuxsampler.lscp.event.*; |
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|
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import org.w3c.dom.Document; |
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import org.w3c.dom.Node; |
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|
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|
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/** |
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* This class serves as a 'Control Center' of the application. |
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* It also provides some fundamental routines and access to most used objects. |
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* @author Grigor Iliev |
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*/ |
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public class CC { |
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private static Handler handler; |
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private static FileOutputStream fos; |
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|
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private static JSMainFrame mainFrame = null; |
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private static JSProgress progress = null; |
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|
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private final static Client lsClient = new Client(); |
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|
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private final static TaskQueue taskQueue = new TaskQueue(); |
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private final static Timer timer = new Timer(2000, null); |
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|
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|
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/** |
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* Returns the logger to be used for logging events. |
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* @return The logger to be used for logging events. |
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*/ |
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public static Logger |
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getLogger() { |
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return Logger.getLogger ( |
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"org.jsampler", |
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"org.jsampler.langprops.LogsBundle" |
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); |
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} |
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|
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/** |
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* Returns the task queue to be used for scheduling tasks |
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* for execution out of the event-dispatching thread. |
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* @return The task queue to be used for scheduling tasks |
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* for execution out of the event-dispatching thread. |
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*/ |
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public static TaskQueue |
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getTaskQueue() { return taskQueue; } |
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|
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/** |
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* Returns the main window of this application. |
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* @return The main window of this application. |
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*/ |
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public static JSMainFrame |
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getMainFrame() { return mainFrame; } |
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|
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/** |
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* Sets the main window of this application. |
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* @param mainFrame The main window of this application. |
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*/ |
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public static void |
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setMainFrame(JSMainFrame mainFrame) { CC.mainFrame = mainFrame; } |
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|
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/** |
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* Gets the progress indicator of this application. |
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* @return The progress indicator of this application. |
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*/ |
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public static JSProgress |
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getProgressIndicator() { return progress; } |
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|
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/** |
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* Sets the progress indicator to be used by this application. |
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* @param progress The progress indicator to be used by this application. |
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*/ |
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public static void |
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setProgressIndicator(JSProgress progress) { CC.progress = progress; } |
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|
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/** |
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* This method does the initial preparation of the application. |
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*/ |
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protected static void |
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initJSampler() { |
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fos = null; |
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|
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try { fos = new FileOutputStream("JSampler.log"); } |
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catch(Exception x) { x.printStackTrace(); } |
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|
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if(fos == null) handler = new StreamHandler(System.out, new SimpleFormatter()); |
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else handler = new StreamHandler(fos, new SimpleFormatter()); |
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|
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handler.setLevel(Level.FINE); |
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getLogger().addHandler(handler); |
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getLogger().setLevel(Level.FINE); |
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Logger.getLogger("org.linuxsampler.lscp").addHandler(handler); |
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Logger.getLogger("org.linuxsampler.lscp").setLevel(Level.FINE); |
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|
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// Flushing logs on every second |
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new java.util.Timer().schedule(new java.util.TimerTask() { |
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public void |
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run() { if(handler != null) handler.flush(); } |
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}, 1000, 1000); |
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|
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CC.getLogger().fine("CC.jsStarted"); |
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|
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HF.setUIDefaultFont(Prefs.getInterfaceFont()); |
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|
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|
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|
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getClient().setServerAddress(Prefs.getLSAddress()); |
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getClient().setServerPort(Prefs.getLSPort()); |
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|
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timer.setRepeats(false); |
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|
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timer.addActionListener(new ActionListener() { |
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public void |
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actionPerformed(ActionEvent e) { CC.getProgressIndicator().start(); } |
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}); |
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|
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taskQueue.addTaskQueueListener(getHandler()); |
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|
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taskQueue.start(); |
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|
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getClient().addChannelCountListener(getHandler()); |
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getClient().addChannelInfoListener(getHandler()); |
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getClient().addStreamCountListener(getHandler()); |
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getClient().addVoiceCountListener(getHandler()); |
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getClient().addTotalVoiceCountListener(getHandler()); |
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|
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loadOrchestras(); |
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|
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for(int i = 0; i < getOrchestras().getOrchestraCount(); i++) { |
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getOrchestras().getOrchestra(i).addOrchestraListener(getHandler()); |
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} |
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getOrchestras().addOrchestraListListener(getHandler()); |
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} |
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|
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private final static OrchestraListModel orchestras = new DefaultOrchestraListModel(); |
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|
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/** |
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* Returns a list containing all available orchestras. |
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* @return A list containing all available orchestras. |
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*/ |
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public static OrchestraListModel |
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getOrchestras() { return orchestras; } |
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|
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private static void |
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loadOrchestras() { |
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String s = Prefs.getOrchestras(); |
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if(s == null) return; |
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|
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ByteArrayInputStream bais = new ByteArrayInputStream(s.getBytes()); |
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Document doc = DOMUtils.readObject(bais); |
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|
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try { getOrchestras().readObject(doc.getDocumentElement()); } |
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catch(Exception x) { HF.showErrorMessage(x, "Loading orchestras: "); } |
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} |
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|
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private static void |
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saveOrchestras() { |
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Document doc = DOMUtils.createEmptyDocument(); |
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|
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Node node = doc.createElement("temp"); |
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doc.appendChild(node); |
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|
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getOrchestras().writeObject(doc, doc.getDocumentElement()); |
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|
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doc.replaceChild(node.getFirstChild(), node); |
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|
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ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
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DOMUtils.writeObject(doc, baos); |
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Prefs.setOrchestras(baos.toString()); |
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} |
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|
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/** |
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* The exit point of the application which ensures clean exit with default exit status 0. |
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* @see #cleanExit(int i) |
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*/ |
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public static void |
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cleanExit() { cleanExit(0); } |
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|
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/** |
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* The exit point of the application which ensures clean exit. |
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* @param i The exit status. |
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*/ |
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public static void |
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cleanExit(int i) { |
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CC.getLogger().fine("CC.jsEnded"); |
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System.exit(i); |
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} |
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|
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/** |
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* Gets the <code>Client</code> object that is used to communicate with the backend. |
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* @return The <code>Client</code> object that is used to communicate with the backend. |
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*/ |
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public static Client |
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getClient() { return lsClient; } |
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|
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private static final Vector<ActionListener> listeners = new Vector<ActionListener>(); |
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|
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/** |
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* Registers the specified listener to be notified when reconnecting to LinuxSampler. |
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* @param l The <code>ActionListener</code> to register. |
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*/ |
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public static void |
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addReconnectListener(ActionListener l) { listeners.add(l); } |
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|
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/** |
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* Removes the specified listener. |
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* @param l The <code>ActionListener</code> to remove. |
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*/ |
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public static void |
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removeReconnectListener(ActionListener l) { listeners.remove(l); } |
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|
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private static void |
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fireReconnectEvent() { |
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ActionEvent e = new ActionEvent(CC.class, ActionEvent.ACTION_PERFORMED, null); |
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for(ActionListener l : listeners) l.actionPerformed(e); |
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} |
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|
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private static final SamplerModel samplerModel = new DefaultSamplerModel(); |
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|
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/** |
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* Gets the sampler model. |
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* @return The sampler model. |
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*/ |
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public static SamplerModel |
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getSamplerModel() { return samplerModel; } |
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|
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/** |
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* Reconnects to LinuxSampler. |
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*/ |
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public static void |
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reconnect() { |
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initSamplerModel(); |
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fireReconnectEvent(); |
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} |
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|
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/** |
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* This method updates the information about the backend state. |
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*/ |
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public static void |
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initSamplerModel() { |
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final DefaultSamplerModel model = (DefaultSamplerModel)getSamplerModel(); |
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|
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final GetServerInfo gsi = new GetServerInfo(); |
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gsi.addTaskListener(new TaskListener() { |
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public void |
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taskPerformed(TaskEvent e) { |
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if(!gsi.doneWithErrors()) model.setServerInfo(gsi.getResult()); |
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} |
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}); |
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|
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final GetAODrivers gaod = new GetAODrivers(); |
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gaod.addTaskListener(new TaskListener() { |
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public void |
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taskPerformed(TaskEvent e) { |
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if(!gaod.doneWithErrors()) |
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model.setAudioOutputDrivers(gaod.getResult()); |
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} |
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}); |
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|
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final GetEngines ge = new GetEngines(); |
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ge.addTaskListener(new TaskListener() { |
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public void |
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taskPerformed(TaskEvent e) { |
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if(!ge.doneWithErrors()) model.setEngines(ge.getResult()); |
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} |
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}); |
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|
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final GetMIDrivers gmid = new GetMIDrivers(); |
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gmid.addTaskListener(new TaskListener() { |
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public void |
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taskPerformed(TaskEvent e) { |
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if(!gmid.doneWithErrors()) |
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model.setMidiInputDrivers(gmid.getResult()); |
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} |
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}); |
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|
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final Connect cnt = new Connect(); |
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cnt.addTaskListener(new TaskListener() { |
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public void |
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taskPerformed(TaskEvent e) { |
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if(cnt.doneWithErrors()) return; |
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|
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getTaskQueue().add(gsi); |
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getTaskQueue().add(gaod); |
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getTaskQueue().add(gmid); |
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getTaskQueue().add(ge); |
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getTaskQueue().add(new UpdateMidiDevices()); |
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getTaskQueue().add(new UpdateAudioDevices()); |
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getTaskQueue().add(new UpdateChannels()); |
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} |
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}); |
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getTaskQueue().add(cnt); |
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} |
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|
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private final static EventHandler eventHandler = new EventHandler(); |
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|
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private static EventHandler |
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getHandler() { return eventHandler; } |
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|
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private static class EventHandler implements ChannelCountListener, ChannelInfoListener, |
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StreamCountListener, VoiceCountListener, TotalVoiceCountListener, |
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TaskQueueListener, OrchestraListener, OrchestraListListener { |
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|
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/** Invoked when the number of channels has changed. */ |
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public void |
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channelCountChanged( ChannelCountEvent e) { |
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getTaskQueue().add(new UpdateChannels()); |
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} |
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|
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/** Invoked when changes to the sampler channel has occured. */ |
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public void |
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channelInfoChanged(ChannelInfoEvent e) { |
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/* |
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* Because of the rapid notification flow when instrument is loaded |
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* we need to do some optimization to decrease the traffic. |
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*/ |
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boolean b = true; |
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Task[] tS = getTaskQueue().getPendingTasks(); |
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|
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for(int i = tS.length - 1; i >= 0; i--) { |
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Task t = tS[i]; |
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|
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if(t instanceof UpdateChannelInfo) { |
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UpdateChannelInfo uci = (UpdateChannelInfo)t; |
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if(uci.getChannelID() == e.getSamplerChannel()) return; |
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} else { |
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b = false; |
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break; |
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} |
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} |
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|
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if(b) { |
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Task t = getTaskQueue().getRunningTask(); |
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if(t instanceof UpdateChannelInfo) { |
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UpdateChannelInfo uci = (UpdateChannelInfo)t; |
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if(uci.getChannelID() == e.getSamplerChannel()) return; |
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} |
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} |
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|
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|
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getTaskQueue().add(new UpdateChannelInfo(e.getSamplerChannel())); |
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} |
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|
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/** |
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* Invoked when the number of active disk |
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* streams in a specific sampler channel has changed. |
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*/ |
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public void |
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streamCountChanged(StreamCountEvent e) { |
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SamplerChannelModel scm = |
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getSamplerModel().getChannelModel(e.getSamplerChannel()); |
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|
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if(scm == null) { |
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CC.getLogger().log ( |
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Level.WARNING, |
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"CC.unknownChannel!", |
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e.getSamplerChannel() |
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); |
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|
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return; |
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} |
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|
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scm.setStreamCount(e.getStreamCount()); |
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} |
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|
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/** |
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* Invoked when the number of active voices |
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* in a specific sampler channel has changed. |
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*/ |
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public void |
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voiceCountChanged(VoiceCountEvent e) { |
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SamplerChannelModel scm = |
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getSamplerModel().getChannelModel(e.getSamplerChannel()); |
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|
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if(scm == null) { |
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CC.getLogger().log ( |
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Level.WARNING, |
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"CC.unknownChannel!", |
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e.getSamplerChannel() |
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); |
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|
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return; |
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} |
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|
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scm.setVoiceCount(e.getVoiceCount()); |
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} |
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|
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/** Invoked when the total number of active voices has changed. */ |
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public void |
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totalVoiceCountChanged(TotalVoiceCountEvent e) { |
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getTaskQueue().add(new UpdateTotalVoiceCount()); |
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} |
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|
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/** |
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* Invoked to indicate that the state of a task queue is changed. |
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* This method is invoked only from the event-dispatching thread. |
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*/ |
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public void |
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stateChanged(TaskQueueEvent e) { |
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switch(e.getEventID()) { |
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case TASK_FETCHED: |
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getProgressIndicator().setString ( |
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((Task)e.getSource()).getDescription() |
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); |
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break; |
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case TASK_DONE: |
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EnhancedTask t = (EnhancedTask)e.getSource(); |
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if(t.doneWithErrors() && !t.isStopped()) |
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HF.showErrorMessage(t.getErrorMessage()); |
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break; |
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case NOT_IDLE: |
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timer.start(); |
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break; |
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case IDLE: |
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timer.stop(); |
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getProgressIndicator().stop(); |
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break; |
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} |
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} |
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|
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/** Invoked when the name of orchestra is changed. */ |
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public void |
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nameChanged(OrchestraEvent e) { saveOrchestras(); } |
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|
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/** Invoked when the description of orchestra is changed. */ |
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public void |
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descriptionChanged(OrchestraEvent e) { saveOrchestras(); } |
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|
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/** Invoked when an instrument is added to the orchestra. */ |
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public void |
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instrumentAdded(OrchestraEvent e) { saveOrchestras(); } |
490 |
|
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/** Invoked when an instrument is removed from the orchestra. */ |
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public void |
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instrumentRemoved(OrchestraEvent e) { saveOrchestras(); } |
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|
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/** Invoked when the settings of an instrument are changed. */ |
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public void |
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instrumentChanged(OrchestraEvent e) { saveOrchestras(); } |
498 |
|
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/** Invoked when an orchestra is added to the orchestra list. */ |
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public void |
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orchestraAdded(OrchestraListEvent e) { |
502 |
e.getOrchestraModel().addOrchestraListener(getHandler()); |
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saveOrchestras(); |
504 |
} |
505 |
|
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/** Invoked when an orchestra is removed from the orchestra list. */ |
507 |
public void |
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orchestraRemoved(OrchestraListEvent e) { |
509 |
e.getOrchestraModel().removeOrchestraListener(getHandler()); |
510 |
saveOrchestras(); |
511 |
} |
512 |
} |
513 |
} |