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Use AncestorAdapter.

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git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@779 542714f4-19e9-0310-aa3c-eee0fc999fb1
This commit is contained in:
Walter Korman
2001-12-14 16:08:00 +00:00
parent e5d514aa8a
commit af4b1175d7
3 changed files with 29 additions and 45 deletions
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src/java/com/threerings/media/sprite/AnimationManager.java
+23 -29
View File
@@ -1,13 +1,14 @@
//
// $Id: AnimationManager.java,v 1.17 2001/10/25 22:08:28 mdb Exp $
// $Id: AnimationManager.java,v 1.18 2001/12/14 16:08:00 shaper Exp $
package com.threerings.media.sprite;
import java.awt.Graphics;
import javax.swing.JComponent;
import javax.swing.SwingUtilities;
import javax.swing.event.*;
import javax.swing.event.AncestorEvent;
import com.samskivert.swing.event.AncestorAdapter;
import com.samskivert.util.Interval;
import com.samskivert.util.IntervalManager;
@@ -16,12 +17,12 @@ import com.threerings.media.util.PerformanceMonitor;
import com.threerings.media.util.PerformanceObserver;
/**
* The AnimationManager handles the regular refreshing of the scene
* view to allow for animation. It also may someday manage special
* scene-wide animations, such as rain, fog, or earthquakes.
* The animation manager handles the regular refreshing of the scene view
* to allow for animation. It also may someday manage special scene-wide
* animations, such as rain, fog, or earthquakes.
*/
public class AnimationManager
implements Interval, PerformanceObserver, AncestorListener
implements Interval, PerformanceObserver
{
/**
* Construct and initialize the animation manager with a sprite
@@ -44,7 +45,19 @@ public class AnimationManager
}
// listen to the view's ancestor events
target.addAncestorListener(this);
target.addAncestorListener(new AncestorAdapter() {
public void ancestorAdded (AncestorEvent event) {
if (_iid == -1) {
// register the refresh interval since we're now visible
registerInterval();
}
}
public void ancestorRemoved (AncestorEvent event) {
// un-register the refresh interval since we're now hidden
IntervalManager.remove(_iid);
_iid = -1;
}
});
// create a ticker for queueing up tick requests on the AWT thread
_ticker = new Runnable() {
@@ -143,34 +156,15 @@ public class AnimationManager
Log.info(name + " [ticks=" + ticks + "].");
}
/** AncestorListener interface methods. */
public void ancestorAdded (AncestorEvent event)
{
if (_iid == -1) {
// register the refresh interval since we're now visible
registerInterval();
}
}
public void ancestorRemoved (AncestorEvent event)
{
// un-register the refresh interval since we're now hidden
IntervalManager.remove(_iid);
_iid = -1;
}
public void ancestorMoved (AncestorEvent event) { }
/** The ticker runnable that we put on the AWT thread periodically. */
protected Runnable _ticker;
/** The desired number of refresh operations per second. */
protected static final int FRAME_RATE = 70;
/** The milliseconds to sleep to obtain desired frame rate. */
protected static final long REFRESH_INTERVAL = 1000 / FRAME_RATE;
/** The ticker runnable that we put on the AWT thread periodically. */
protected Runnable _ticker;
/** The number of outstanding tick requests. */
protected int _ticking = 0;