Chris Bracken 0f1ff3bdb3
Correct typos, adopt US spellings (#9081)
Corects a bnuch of typeos throughout teh engien codebsae. Also makes
a couple minor Commonwealth -> US spelling adjustments for consistency
with the rest of Flutter's codebase.

Made use of `misspell` tool:
https://github.com/client9/misspell
2019-05-25 13:14:46 -07:00

28 lines
1.0 KiB
Java

// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
package io.flutter.view;
import android.view.Choreographer;
public class VsyncWaiter {
// This estimate will be updated by FlutterView when it is attached to a Display.
public static long refreshPeriodNanos = 1000000000 / 60;
// This should also be updated by FlutterView when it is attached to a Display.
// The initial value of 0.0 indicates unknown refresh rate.
public static float refreshRateFPS = 0.0f;
public static void asyncWaitForVsync(final long cookie) {
Choreographer.getInstance().postFrameCallback(new Choreographer.FrameCallback() {
@Override
public void doFrame(long frameTimeNanos) {
nativeOnVsync(frameTimeNanos, frameTimeNanos + refreshPeriodNanos, cookie);
}
});
}
private static native void nativeOnVsync(long frameTimeNanos, long frameTargetTimeNanos, long cookie);
}