org/jsampler/DefaultAudioDeviceModel.java

/*
 *   JSampler - a java front-end for LinuxSampler
 *
 *   Copyright (C) 2005 Grigor Kirilov Iliev
 *
 *   This file is part of JSampler.
 *
 *   JSampler is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License version 2
 *   as published by the Free Software Foundation.
 *
 *   JSampler 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 General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with JSampler; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *   MA  02111-1307  USA
 */

package org.jsampler;

import java.util.Vector;

import javax.swing.SwingUtilities;

import org.jsampler.event.AudioDeviceEvent;
import org.jsampler.event.AudioDeviceListener;

import org.linuxsampler.lscp.AudioOutputDevice;


/**
 * This class provides default implementation of the <code>AudioDeviceModel</code> interface.
 * @author Grigor Iliev
 */
public class DefaultAudioDeviceModel implements AudioDeviceModel {
        private AudioOutputDevice audioDevice;
        
        private final Vector<AudioDeviceListener> listeners = new Vector<AudioDeviceListener>();
        
        /**
         * Creates a new instance of <code>DefaultAudioDeviceModel</code> using the
         * specified non-null audio device.
         * @param audioDevice An <code>AudioOutputDevice</code> instance providing the current
         * settings of the audio device which will be represented by this model.
         * @throws IllegalArgumentException If <code>audioDevice</code> is <code>null</code>.
         */
        public
        DefaultAudioDeviceModel(AudioOutputDevice audioDevice) {
                if(audioDevice == null)
                        throw new IllegalArgumentException("audioDevice must be non null");
                
                this.audioDevice = audioDevice;
        }
        
        /**
         * Registers the specified listener to be notified when
         * the settings of the audio device are changed.
         * @param l The <code>AudioDeviceListener</code> to register.
         */
        public void
        addAudioDeviceListener(AudioDeviceListener l) { listeners.add(l); }
        
        /**
         * Removes the specified listener.
         * @param l The <code>AudioDeviceListener</code> to remove.
         */
        public void
        removeAudioDeviceListener(AudioDeviceListener l) { listeners.remove(l); }
        
        /**
         * Gets the numerical ID of this audio device.
         * @return The numerical ID of this audio device or
         * -1 if the device number is not set.
         */
        public int
        getDeviceID() { return audioDevice.getDeviceID(); }
        
        /**
         * Gets the current settings of the audio device represented by this model.
         * @return <code>AudioOutputDevice</code> instance providing
         * the current settings of the audio device represented by this model.
         */
        public AudioOutputDevice
        getDeviceInfo() { return audioDevice; }
        
        /**
         * Updates the settings of the audio device represented by this model.
         * @param device The new audio device settings.
         */
        public void
        setDeviceInfo(AudioOutputDevice device) {
                audioDevice = device;
                fireSettingsChanged();
        }
        
        /**
         * Sets whether the audio device is enabled or disabled.
         * @param active If <code>true</code> the audio device is enabled,
         * else the device is disabled.
         */
        public void
        setActive(boolean active) {
                if(active == getDeviceInfo().isActive()) return;
                
                audioDevice.setActive(active);
                fireSettingsChanged();
        }
        
        /**
         * Determines whether the audio device is active.
         * @return <code>true</code> if the device is enabled and <code>false</code> otherwise.
         */
        public boolean
        isActive() { return audioDevice.isActive(); }
        
        /**
         * Notifies listeners that the settings of the audio device are changed.
         */
        private void
        fireSettingsChanged() {
                fireSettingsChanged(new AudioDeviceEvent(this, this));
        }
        
        /**
         * Notifies listeners that the settings of the audio device are changed.
         * This method should be invoked from the event-dispatching thread.
         */
        private void
        fireSettingsChanged(final AudioDeviceEvent e) {
                SwingUtilities.invokeLater(new Runnable() {
                        public void
                        run() { for(AudioDeviceListener l : listeners) l.settingsChanged(e); }
                });
        }
}
1	iliev	787	/*
2			* JSampler - a java front-end for LinuxSampler
3			*
4			* Copyright (C) 2005 Grigor Kirilov Iliev
5			*
6			* This file is part of JSampler.
7			*
8			* JSampler is free software; you can redistribute it and/or modify
9			* it under the terms of the GNU General Public License version 2
10			* as published by the Free Software Foundation.
11			*
12			* JSampler is distributed in the hope that it will be useful,
13			* but WITHOUT ANY WARRANTY; without even the implied warranty of
14			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15			* GNU General Public License for more details.
16			*
17			* You should have received a copy of the GNU General Public License
18			* along with JSampler; if not, write to the Free Software
19			* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20			* MA 02111-1307 USA
21			*/
22
23			package org.jsampler;
24
25			import java.util.Vector;
26
27			import javax.swing.SwingUtilities;
28
29			import org.jsampler.event.AudioDeviceEvent;
30			import org.jsampler.event.AudioDeviceListener;
31
32			import org.linuxsampler.lscp.AudioOutputDevice;
33
34
35			/**
36	iliev	911	* This class provides default implementation of the <code>AudioDeviceModel</code> interface.
37	iliev	787	* @author Grigor Iliev
38			*/
39			public class DefaultAudioDeviceModel implements AudioDeviceModel {
40			private AudioOutputDevice audioDevice;
41
42			private final Vector<AudioDeviceListener> listeners = new Vector<AudioDeviceListener>();
43
44			/**
45			* Creates a new instance of <code>DefaultAudioDeviceModel</code> using the
46			* specified non-null audio device.
47			* @param audioDevice An <code>AudioOutputDevice</code> instance providing the current
48			* settings of the audio device which will be represented by this model.
49			* @throws IllegalArgumentException If <code>audioDevice</code> is <code>null</code>.
50			*/
51			public
52			DefaultAudioDeviceModel(AudioOutputDevice audioDevice) {
53			if(audioDevice == null)
54			throw new IllegalArgumentException("audioDevice must be non null");
55
56			this.audioDevice = audioDevice;
57			}
58
59			/**
60			* Registers the specified listener to be notified when
61			* the settings of the audio device are changed.
62			* @param l The <code>AudioDeviceListener</code> to register.
63			*/
64			public void
65			addAudioDeviceListener(AudioDeviceListener l) { listeners.add(l); }
66
67			/**
68			* Removes the specified listener.
69			* @param l The <code>AudioDeviceListener</code> to remove.
70			*/
71			public void
72			removeAudioDeviceListener(AudioDeviceListener l) { listeners.remove(l); }
73
74			/**
75			* Gets the numerical ID of this audio device.
76			* @return The numerical ID of this audio device or
77			* -1 if the device number is not set.
78			*/
79			public int
80			getDeviceID() { return audioDevice.getDeviceID(); }
81
82			/**
83			* Gets the current settings of the audio device represented by this model.
84			* @return <code>AudioOutputDevice</code> instance providing
85			* the current settings of the audio device represented by this model.
86			*/
87			public AudioOutputDevice
88			getDeviceInfo() { return audioDevice; }
89
90			/**
91			* Updates the settings of the audio device represented by this model.
92			* @param device The new audio device settings.
93			*/
94			public void
95			setDeviceInfo(AudioOutputDevice device) {
96			audioDevice = device;
97			fireSettingsChanged();
98			}
99
100			/**
101			* Sets whether the audio device is enabled or disabled.
102			* @param active If <code>true</code> the audio device is enabled,
103			* else the device is disabled.
104			*/
105			public void
106			setActive(boolean active) {
107			if(active == getDeviceInfo().isActive()) return;
108
109			audioDevice.setActive(active);
110			fireSettingsChanged();
111			}
112
113			/**
114			* Determines whether the audio device is active.
115			* @return <code>true</code> if the device is enabled and <code>false</code> otherwise.
116			*/
117			public boolean
118			isActive() { return audioDevice.isActive(); }
119
120			/**
121			* Notifies listeners that the settings of the audio device are changed.
122			*/
123			private void
124			fireSettingsChanged() {
125			fireSettingsChanged(new AudioDeviceEvent(this, this));
126			}
127
128			/**
129			* Notifies listeners that the settings of the audio device are changed.
130			* This method should be invoked from the event-dispatching thread.
131			*/
132			private void
133			fireSettingsChanged(final AudioDeviceEvent e) {
134			SwingUtilities.invokeLater(new Runnable() {
135			public void
136			run() { for(AudioDeviceListener l : listeners) l.settingsChanged(e); }
137			});
138			}
139			}