gecko/mobile/android/base/AnimatedHeightLayout.java
Brian Nicholson 34d3b2814d Bug 769145 - Part 5: Search suggestion opt-in animations. r=lucasr
--HG--
rename : mobile/android/base/resources/layout/awesomebar_suggestion_row.xml => mobile/android/base/resources/layout/awesomebar_suggestion_row.xml.in
2012-10-05 17:27:12 -07:00

53 lines
2.0 KiB
Java

/* 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.content.Context;
import android.util.AttributeSet;
import android.util.Log;
import android.view.animation.Animation;
import android.view.animation.DecelerateInterpolator;
import android.widget.RelativeLayout;
public class AnimatedHeightLayout extends RelativeLayout {
private static final String LOGTAG = "GeckoAnimatedHeightLayout";
private static final int ANIMATION_DURATION = 100;
private boolean mAnimating = false;
public AnimatedHeightLayout(Context context, AttributeSet attrs) {
super(context, attrs);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
int oldHeight = getMeasuredHeight();
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
int newHeight = getMeasuredHeight();
if (!mAnimating && oldHeight != 0 && oldHeight != newHeight) {
mAnimating = true;
setMeasuredDimension(getMeasuredWidth(), oldHeight);
// Animate the difference of suggestion row height
Animation anim = new HeightChangeAnimation(this, oldHeight, newHeight);
anim.setDuration(ANIMATION_DURATION);
anim.setInterpolator(new DecelerateInterpolator());
anim.setAnimationListener(new Animation.AnimationListener() {
public void onAnimationStart(Animation animation) {}
public void onAnimationRepeat(Animation animation) {}
public void onAnimationEnd(Animation animation) {
post(new Runnable() {
public void run() {
getLayoutParams().height = LayoutParams.WRAP_CONTENT;
mAnimating = false;
}
});
}
});
startAnimation(anim);
}
}
}