| /******************************************************************************* |
| * Copyright (c) 2008, 2020 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.debug.examples.core.midi.launcher; |
| |
| import javax.sound.midi.MidiFileFormat; |
| import javax.sound.midi.Sequencer; |
| |
| import org.eclipse.debug.core.DebugEvent; |
| import org.eclipse.debug.core.DebugException; |
| import org.eclipse.debug.core.DebugPlugin; |
| import org.eclipse.debug.core.ILaunchConfiguration; |
| import org.eclipse.debug.core.Launch; |
| import org.eclipse.debug.core.model.ISuspendResume; |
| |
| /** |
| * A launch containing a MIDI sequencer. |
| * |
| * @since 1.0 |
| */ |
| public class MidiLaunch extends Launch implements ISuspendResume { |
| |
| /** |
| * MIDI Sequencer |
| */ |
| private Sequencer fSequencer; |
| |
| /** |
| * MIDI file format |
| */ |
| private MidiFileFormat fFormat; |
| |
| /** |
| * Constructs a new MIDI launch. |
| * |
| * @param launchConfiguration configuration to play |
| * @param mode mode to play in |
| */ |
| public MidiLaunch(ILaunchConfiguration launchConfiguration, String mode) { |
| super(launchConfiguration, mode, null); |
| } |
| |
| /** |
| * Sets the sequencer used to play MIDI files. |
| * |
| * @param sequencer |
| */ |
| public void setSequencer(Sequencer sequencer) { |
| fSequencer = sequencer; |
| fireChanged(); |
| } |
| |
| /** |
| * Sets the format of the sequence |
| * @param format |
| */ |
| public void setFormat(MidiFileFormat format) { |
| fFormat = format; |
| } |
| |
| /** |
| * Returns the file format of the sequence. |
| * |
| * @return file format |
| */ |
| public MidiFileFormat getFormat() { |
| return fFormat; |
| } |
| /** |
| * Returns the sequencer used to play MIDI files. |
| * |
| * @return the sequencer used to play MIDI files |
| */ |
| public Sequencer getSequencer() { |
| return fSequencer; |
| } |
| |
| @Override |
| public boolean canTerminate() { |
| return fSequencer.isOpen(); |
| } |
| |
| @Override |
| public boolean isTerminated() { |
| if (fSequencer != null) { |
| return !fSequencer.isOpen(); |
| } |
| return false; |
| } |
| |
| @Override |
| public void terminate() throws DebugException { |
| fSequencer.stop(); |
| fSequencer.close(); |
| fireTerminate(); |
| DebugPlugin.getDefault().fireDebugEventSet(new DebugEvent[] { |
| new DebugEvent(fSequencer, DebugEvent.TERMINATE) }); |
| } |
| |
| @Override |
| public boolean canResume() { |
| return isSuspended(); |
| } |
| |
| @Override |
| public boolean canSuspend() { |
| if (fSequencer != null) { |
| return fSequencer.isRunning(); |
| } |
| return false; |
| } |
| |
| @Override |
| public boolean isSuspended() { |
| if (fSequencer != null) { |
| return fSequencer.isOpen() & !fSequencer.isRunning(); |
| } |
| return false; |
| } |
| |
| @Override |
| public void resume() throws DebugException { |
| fSequencer.start(); |
| fireChanged(); |
| fireEvent(new DebugEvent(fSequencer, DebugEvent.RESUME, DebugEvent.CLIENT_REQUEST)); |
| } |
| |
| @Override |
| public void suspend() throws DebugException { |
| fSequencer.stop(); |
| fireChanged(); |
| fireEvent(new DebugEvent(fSequencer, DebugEvent.SUSPEND, DebugEvent.CLIENT_REQUEST)); |
| } |
| |
| /** |
| * Fires a debug event. |
| * |
| * @param event debug event to fire |
| */ |
| protected void fireEvent(DebugEvent event) { |
| DebugPlugin.getDefault().fireDebugEventSet(new DebugEvent[] {event}); |
| } |
| } |