michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0:  * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: package org.mozilla.gecko.animation;
michael@0: 
michael@0: import android.view.View;
michael@0: import android.view.animation.Animation;
michael@0: import android.view.animation.Transformation;
michael@0: 
michael@0: public class HeightChangeAnimation extends Animation {
michael@0:     int mFromHeight;
michael@0:     int mToHeight;
michael@0:     View mView;
michael@0: 
michael@0:     public HeightChangeAnimation(View view, int fromHeight, int toHeight) {
michael@0:         mView = view;
michael@0:         mFromHeight = fromHeight;
michael@0:         mToHeight = toHeight;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     protected void applyTransformation(float interpolatedTime, Transformation t) {
michael@0:         mView.getLayoutParams().height = Math.round((mFromHeight * (1 - interpolatedTime)) + (mToHeight * interpolatedTime));
michael@0:         mView.requestLayout();
michael@0:     }
michael@0: }