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Added Timer.scheduleTaskAtFixedRate() method

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This commit is contained in:
Steve Hannah 2016-02-17 11:46:10 -08:00
parent eb2e08da3f
commit 9a52a277b9
1 changed files with 29 additions and 0 deletions
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29
classlib/src/main/java/org/teavm/classlib/java/util/TTimer.java
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@ -81,4 +81,33 @@ public class TTimer extends TObject {
};
task.nativeTimerId = Window.setTimeout(handler, (int) delay);
}
public void scheduleAtFixedRate(final TTimerTask task, long delay, long period) {
if (cancelled || task.timer != null || task.nativeTimerId >= 0) {
throw new TIllegalStateException();
}
final long[] nextStartTime = new long[]{System.currentTimeMillis() + delay};
task.timer = this;
TimerHandler handler = new TimerHandler() {
@Override public void onTimer() {
new Thread(() -> {
if (cancelled || task.timer == null) {
return;
}
long nextDelay = nextStartTime[0] - System.currentTimeMillis();
if (nextDelay < 0 ) {
nextDelay = 0;
}
task.nativeTimerId = Window.setTimeout(this, (int) nextDelay);
nextStartTime[0] += period;
TTimerTask.performOnce(task);
if (!cancelled) {
task.timer = TTimer.this;
}
}).start();
}
};
task.nativeTimerId = Window.setTimeout(handler, (int) delay);
nextStartTime[0] += period;
}
}