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Java Source | 1998-12-01 | 3.6 KB | 112 lines |
- /*
- * @(#)DelayedSoundArea.java 1.9 98/03/18
- *
- * Copyright (c) 1995-1997 Sun Microsystems, Inc. All Rights Reserved.
- *
- * Sun grants you ("Licensee") a non-exclusive, royalty free, license to use,
- * modify and redistribute this software in source and binary code form,
- * provided that i) this copyright notice and license appear on all copies of
- * the software; and ii) Licensee does not utilize the software in a manner
- * which is disparaging to Sun.
- *
- * This software is provided "AS IS," without a warranty of any kind. ALL
- * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY
- * IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
- * NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE
- * LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
- * OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS
- * LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,
- * INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER
- * CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF
- * OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGES.
- *
- * This software is not designed or intended for use in on-line control of
- * aircraft, air traffic, aircraft navigation or aircraft communications; or in
- * the design, construction, operation or maintenance of any nuclear
- * facility. Licensee represents and warrants that it will not use or
- * redistribute the Software for such purposes.
- */
-
- import java.awt.Graphics;
- import java.applet.AudioClip;
- import java.net.URL;
- import java.net.MalformedURLException;
- import java.util.StringTokenizer;
-
- /**
- * This ImageArea Class will play a sound each time the user enters the
- * area. It is different from SoundArea in that it accepts a delay (in
- * tenths of a second) before it plays the sound. If the mouse leaves
- * the area before the time delay, the sound is not played.
- *
- * This allows you to have one piece of audio when the button is "hit"
- * via SoundArea and another if the user stays on the button.
- *
- * @author Chuck McManis
- * @version 1.9, 03/18/98
- */
- class DelayedSoundArea extends ImageMapArea {
- /** The URL of the sound to be played. */
- URL sound;
- AudioClip soundData;
- boolean hasPlayed;
- int delay;
- int countDown;
-
- /**
- * The argument is the URL of the sound to be played.
- * This method also sets this type of area to be non-terminal.
- */
- public void handleArg(String arg) {
- Thread soundLoader;
- StringTokenizer st = new StringTokenizer(arg, ", ");
-
- delay = Integer.parseInt(st.nextToken());
- try {
- sound = new URL(parent.getDocumentBase(), st.nextToken());
- } catch (MalformedURLException e) {
- sound = null;
- }
- }
-
- public void getMedia() {
- if (sound != null) {
- soundData = parent.getAudioClip(sound);
- }
- if (soundData == null) {
- System.out.println("DelayedSoundArea: Unable to load data "+sound);
- }
- }
-
- /**
- * The highlight method plays the sound in addition to the usual
- * graphical highlight feedback.
- */
- public void enter() {
- hasPlayed = false;
- countDown = delay;
- parent.startAnimation();
- }
-
- /**
- * This method is called every animation cycle if there are any
- * active animating areas.
- * @return true if this area requires further animation notifications
- */
- public boolean animate() {
- if (entered && ! hasPlayed) {
- if (countDown > 0) {
- countDown--;
- return true;
- }
- hasPlayed = true;
- if (soundData != null) {
- soundData.play();
- }
- }
- return false;
- }
- }
-
-