package com.android.settingslib.animation;
import android.content.Context;
import android.view.animation.AnimationUtils;
import android.view.animation.Interpolator;
public class DisappearAnimationUtils extends AppearAnimationUtils {
public DisappearAnimationUtils(Context ctx) {
this(ctx, DEFAULT_APPEAR_DURATION,
1.0f, 1.0f,
AnimationUtils.loadInterpolator(ctx, android.R.interpolator.fast_out_linear_in));
}
public DisappearAnimationUtils(Context ctx, long duration, float translationScaleFactor,
float delayScaleFactor, Interpolator interpolator) {
this(ctx, duration, translationScaleFactor, delayScaleFactor, interpolator,
ROW_TRANSLATION_SCALER);
}
public DisappearAnimationUtils(Context ctx, long duration, float translationScaleFactor,
float delayScaleFactor, Interpolator interpolator, RowTranslationScaler rowScaler) {
super(ctx, duration, translationScaleFactor, delayScaleFactor, interpolator);
mRowTranslationScaler = rowScaler;
mAppearing = false;
}
protected long calculateDelay(int row, int col) {
return (long) ((row * 60 + col * (Math.pow(row, 0.4) + 0.4) * 10) * mDelayScale);
}
private static final RowTranslationScaler ROW_TRANSLATION_SCALER = new RowTranslationScaler() {
@Override
public float getRowTranslationScale(int row, int numRows) {
return (float) (Math.pow((numRows - row), 2) / numRows);
}
};
}