SCViewer/plugins/com.minres.scviewer.databas.../src/com/minres/scviewer/database/ui/swt/internal/slider/ActionTimer.java

35 lines
770 B
Java

package com.minres.scviewer.database.ui.swt.internal.slider;
import org.eclipse.swt.widgets.Display;
public class ActionTimer implements Runnable {
public static final int INITIAL_DELAY = 300;
public static final int FAST_DELAY = 50;
private final Display display;
private final TimerAction timerAction;
public interface TimerAction extends Runnable {
boolean isEnabled();
}
public ActionTimer( TimerAction timerAction, Display display ) {
this.display = display;
this.timerAction = timerAction;
}
public void activate() {
if( timerAction.isEnabled() ) {
display.timerExec( INITIAL_DELAY, this );
}
}
@Override
public void run() {
if( timerAction.isEnabled() ) {
timerAction.run();
display.timerExec( FAST_DELAY, this );
}
}
}