gecko/mobile/android/base/HeightChangeAnimation.java

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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.gecko;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.Transformation;
public class HeightChangeAnimation extends Animation {
int mFromHeight;
int mToHeight;
View mView;
public HeightChangeAnimation(View view, int fromHeight, int toHeight) {
mView = view;
mFromHeight = fromHeight;
mToHeight = toHeight;
}
@Override
protected void applyTransformation(float interpolatedTime, Transformation t) {
mView.getLayoutParams().height = Math.round((mFromHeight * (1 - interpolatedTime)) + (mToHeight * interpolatedTime));
mView.requestLayout();
}
}