javafx.animation

Class AnimationTimer

java.lang.Object

javafx.animation.AnimationTimer

public abstract class AnimationTimer
extends java.lang.Object

The class AnimationTimer allows to create a timer, that is called in each frame while it is active. An extending class has to override the method handle(long) which will be called in every frame. The methods start() and stop() allow to start and stop the timer.

Since:

JavaFX 2.0

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private class	AnimationTimer.AnimationTimerReceiver

Field Summary

Fields

Modifier and Type	Field and Description
private java.security.AccessControlContext	accessCtrlCtx
private boolean	active
private AbstractMasterTimer	timer
private AnimationTimer.AnimationTimerReceiver	timerReceiver

Constructor Summary

Constructors

Constructor and Description
AnimationTimer() Creates a new timer.
AnimationTimer(AbstractMasterTimer timer)

Method Summary

Modifier and Type	Method and Description
abstract void	handle(long now) This method needs to be overridden by extending classes.
void	start() Starts the AnimationTimer.
void	stop() Stops the AnimationTimer.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

timer

private final AbstractMasterTimer timer

timerReceiver

private final AnimationTimer.AnimationTimerReceiver timerReceiver

active

private boolean active

accessCtrlCtx

private java.security.AccessControlContext accessCtrlCtx

Constructor Detail

AnimationTimer

public AnimationTimer()

Creates a new timer.

AnimationTimer

AnimationTimer(AbstractMasterTimer timer)

Method Detail

handle

public abstract void handle(long now)

This method needs to be overridden by extending classes. It is going to be called in every frame while the AnimationTimer is active.

Parameters:

now - The timestamp of the current frame given in nanoseconds. This value will be the same for all AnimationTimers called during one frame.

start

public void start()

Starts the AnimationTimer. Once it is started, the handle(long) method of this AnimationTimer will be called in every frame. The AnimationTimer can be stopped by calling stop().

stop

public void stop()

Stops the AnimationTimer. It can be activated again by calling start().