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Java Source | 1996-04-26 | 3.6 KB | 113 lines |
- /*
- * @(#)DelayedSoundArea.java 1.5 96/04/24
- *
- * Copyright (c) 1994-1996 Sun Microsystems, Inc. All Rights Reserved.
- *
- * Permission to use, copy, modify, and distribute this software
- * and its documentation for NON-COMMERCIAL or COMMERCIAL purposes and
- * without fee is hereby granted.
- * Please refer to the file http://java.sun.com/copy_trademarks.html
- * for further important copyright and trademark information and to
- * http://java.sun.com/licensing.html for further important licensing
- * information for the Java (tm) Technology.
- *
- * SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
- * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
- * TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
- * PARTICULAR PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR
- * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
- * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
- *
- * THIS SOFTWARE IS NOT DESIGNED OR INTENDED FOR USE OR RESALE AS ON-LINE
- * CONTROL EQUIPMENT IN HAZARDOUS ENVIRONMENTS REQUIRING FAIL-SAFE
- * PERFORMANCE, SUCH AS IN THE OPERATION OF NUCLEAR FACILITIES, AIRCRAFT
- * NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL, DIRECT LIFE
- * SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH THE FAILURE OF THE
- * SOFTWARE COULD LEAD DIRECTLY TO DEATH, PERSONAL INJURY, OR SEVERE
- * PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH RISK ACTIVITIES"). SUN
- * SPECIFICALLY DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR
- * HIGH RISK ACTIVITIES.
- */
-
- 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 1.5, 04/24/96
- */
- 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;
- }
- }
-
-