The Tor Browser / file comparison
comparison: mobile/android/base/widget/AnimatedHeightLayout.java
mobile/android/base/widget/AnimatedHeightLayout.java
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| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this file, | |
| 3 * You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 package org.mozilla.gecko.widget; | |
| 6 | |
| 7 import org.mozilla.gecko.animation.HeightChangeAnimation; | |
| 8 | |
| 9 import android.content.Context; | |
| 10 import android.util.AttributeSet; | |
| 11 import android.view.animation.Animation; | |
| 12 import android.view.animation.DecelerateInterpolator; | |
| 13 import android.widget.RelativeLayout; | |
| 14 | |
| 15 public class AnimatedHeightLayout extends RelativeLayout { | |
| 16 private static final String LOGTAG = "GeckoAnimatedHeightLayout"; | |
| 17 private static final int ANIMATION_DURATION = 100; | |
| 18 private boolean mAnimating = false; | |
| 19 | |
| 20 public AnimatedHeightLayout(Context context) { | |
| 21 super(context, null); | |
| 22 } | |
| 23 | |
| 24 public AnimatedHeightLayout(Context context, AttributeSet attrs) { | |
| 25 super(context, attrs, 0); | |
| 26 } | |
| 27 | |
| 28 public AnimatedHeightLayout(Context context, AttributeSet attrs, int defStyle) { | |
| 29 super(context, attrs, defStyle); | |
| 30 } | |
| 31 | |
| 32 @Override | |
| 33 protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { | |
| 34 int oldHeight = getMeasuredHeight(); | |
| 35 super.onMeasure(widthMeasureSpec, heightMeasureSpec); | |
| 36 int newHeight = getMeasuredHeight(); | |
| 37 | |
| 38 if (!mAnimating && oldHeight != 0 && oldHeight != newHeight) { | |
| 39 mAnimating = true; | |
| 40 setMeasuredDimension(getMeasuredWidth(), oldHeight); | |
| 41 | |
| 42 // Animate the difference of suggestion row height | |
| 43 Animation anim = new HeightChangeAnimation(this, oldHeight, newHeight); | |
| 44 anim.setDuration(ANIMATION_DURATION); | |
| 45 anim.setInterpolator(new DecelerateInterpolator()); | |
| 46 anim.setAnimationListener(new Animation.AnimationListener() { | |
| 47 @Override | |
| 48 public void onAnimationStart(Animation animation) {} | |
| 49 @Override | |
| 50 public void onAnimationRepeat(Animation animation) {} | |
| 51 @Override | |
| 52 public void onAnimationEnd(Animation animation) { | |
| 53 post(new Runnable() { | |
| 54 @Override | |
| 55 public void run() { | |
| 56 finishAnimation(); | |
| 57 } | |
| 58 }); | |
| 59 } | |
| 60 }); | |
| 61 startAnimation(anim); | |
| 62 } | |
| 63 } | |
| 64 | |
| 65 @Override | |
| 66 protected void onDetachedFromWindow() { | |
| 67 super.onDetachedFromWindow(); | |
| 68 finishAnimation(); | |
| 69 } | |
| 70 | |
| 71 private void finishAnimation() { | |
| 72 if (mAnimating) { | |
| 73 getLayoutParams().height = LayoutParams.WRAP_CONTENT; | |
| 74 mAnimating = false; | |
| 75 } | |
| 76 } | |
| 77 } |
