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Allow the user to provide a custom reference time #4

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Merged
akuhtz merged 1 commit into from
Jan 20, 2025
Merged

Allow the user to provide a custom reference time #4

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10 changes: 5 additions & 5 deletions timingframework-core/src/main/java/org/jdesktop/core/animation/timing/Animator.java
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Original file line number Diff line number Diff line change
Expand Up @@ -1307,7 +1307,7 @@ public void pause() {
final boolean canPause = isRunning() && !f_stopping && f_pauseBeginTimeNanos == 0;
if (canPause) {
f_timingSource.removeTickListener(this);
f_pauseBeginTimeNanos = System.nanoTime();
f_pauseBeginTimeNanos = f_timingSource.getNanoTime();
}
}
}
Expand All @@ -1333,7 +1333,7 @@ public void resume() {
synchronized (this) {
final boolean paused = isPaused();
if (paused) {
long pauseDeltaNanos = System.nanoTime() - f_pauseBeginTimeNanos;
long pauseDeltaNanos = f_timingSource.getNanoTime() - f_pauseBeginTimeNanos;
f_startTimeNanos += pauseDeltaNanos;
f_cycleStartTimeNanos += pauseDeltaNanos;
f_pauseBeginTimeNanos = 0;
Expand Down Expand Up @@ -1411,7 +1411,7 @@ public void await() throws InterruptedException {
* time.
*/
public long getCycleElapsedTime() {
return getCycleElapsedTime(System.nanoTime());
return getCycleElapsedTime(f_timingSource.getNanoTime());
}

/**
Expand Down Expand Up @@ -1440,7 +1440,7 @@ public long getCycleElapsedTime(long currentTimeNanos) {
* @return the total time elapsed in nanoseconds between the time this animation started and the current time.
*/
public long getTotalElapsedTime() {
return getTotalElapsedTime(System.nanoTime());
return getTotalElapsedTime(f_timingSource.getNanoTime());
}

/**
Expand Down Expand Up @@ -1493,7 +1493,7 @@ void startHelper(Direction direction, String methodName) {
throw new IllegalStateException(I18N.err(12, methodName));
}

final long nanoTime = System.nanoTime();
final long nanoTime = f_timingSource.getNanoTime();
f_startTimeNanos = nanoTime;
f_cycleStartTimeNanos = nanoTime + f_startDelayNanos;
f_currentDirection = direction;
Expand Down
14 changes: 13 additions & 1 deletion timingframework-core/src/main/java/org/jdesktop/core/animation/timing/TimingSource.java
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Original file line number Diff line number Diff line change
Expand Up @@ -198,7 +198,7 @@ public void runPerTick() {
}
task.run();
}
final long nanoTime = System.nanoTime();
final long nanoTime = getNanoTime();
if (!f_tickListeners.isEmpty()) {
for (TickListener listener : f_tickListeners) {
listener.timingSourceTick(TimingSource.this, nanoTime);
Expand All @@ -210,4 +210,16 @@ public void runPerTick() {
}
}
}

/**
* Returns the reference time of this TimingSource in nanoseconds.
* By default, this method delegates to {@link System#nanoTime()}.
* Subclasses may override this method to provide their own reference time,
* such as a frame counter or an alternative high-precision timing source.
*
* @return the reference time in nanoseconds
*/
public long getNanoTime() {
return System.nanoTime();
}
}