mobile/android/base/widget/AnimatedHeightLayout.java@6474c204b198 (annotated)
mobile/android/base/widget/AnimatedHeightLayout.java
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 2 | * License, v. 2.0. If a copy of the MPL was not distributed with this file, |
| michael@0 | 3 | * You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 4 | |
| michael@0 | 5 | package org.mozilla.gecko.widget; |
| michael@0 | 6 | |
| michael@0 | 7 | import org.mozilla.gecko.animation.HeightChangeAnimation; |
| michael@0 | 8 | |
| michael@0 | 9 | import android.content.Context; |
| michael@0 | 10 | import android.util.AttributeSet; |
| michael@0 | 11 | import android.view.animation.Animation; |
| michael@0 | 12 | import android.view.animation.DecelerateInterpolator; |
| michael@0 | 13 | import android.widget.RelativeLayout; |
| michael@0 | 14 | |
| michael@0 | 15 | public class AnimatedHeightLayout extends RelativeLayout { |
| michael@0 | 16 | private static final String LOGTAG = "GeckoAnimatedHeightLayout"; |
| michael@0 | 17 | private static final int ANIMATION_DURATION = 100; |
| michael@0 | 18 | private boolean mAnimating = false; |
| michael@0 | 19 | |
| michael@0 | 20 | public AnimatedHeightLayout(Context context) { |
| michael@0 | 21 | super(context, null); |
| michael@0 | 22 | } |
| michael@0 | 23 | |
| michael@0 | 24 | public AnimatedHeightLayout(Context context, AttributeSet attrs) { |
| michael@0 | 25 | super(context, attrs, 0); |
| michael@0 | 26 | } |
| michael@0 | 27 | |
| michael@0 | 28 | public AnimatedHeightLayout(Context context, AttributeSet attrs, int defStyle) { |
| michael@0 | 29 | super(context, attrs, defStyle); |
| michael@0 | 30 | } |
| michael@0 | 31 | |
| michael@0 | 32 | @Override |
| michael@0 | 33 | protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
| michael@0 | 34 | int oldHeight = getMeasuredHeight(); |
| michael@0 | 35 | super.onMeasure(widthMeasureSpec, heightMeasureSpec); |
| michael@0 | 36 | int newHeight = getMeasuredHeight(); |
| michael@0 | 37 | |
| michael@0 | 38 | if (!mAnimating && oldHeight != 0 && oldHeight != newHeight) { |
| michael@0 | 39 | mAnimating = true; |
| michael@0 | 40 | setMeasuredDimension(getMeasuredWidth(), oldHeight); |
| michael@0 | 41 | |
| michael@0 | 42 | // Animate the difference of suggestion row height |
| michael@0 | 43 | Animation anim = new HeightChangeAnimation(this, oldHeight, newHeight); |
| michael@0 | 44 | anim.setDuration(ANIMATION_DURATION); |
| michael@0 | 45 | anim.setInterpolator(new DecelerateInterpolator()); |
| michael@0 | 46 | anim.setAnimationListener(new Animation.AnimationListener() { |
| michael@0 | 47 | @Override |
| michael@0 | 48 | public void onAnimationStart(Animation animation) {} |
| michael@0 | 49 | @Override |
| michael@0 | 50 | public void onAnimationRepeat(Animation animation) {} |
| michael@0 | 51 | @Override |
| michael@0 | 52 | public void onAnimationEnd(Animation animation) { |
| michael@0 | 53 | post(new Runnable() { |
| michael@0 | 54 | @Override |
| michael@0 | 55 | public void run() { |
| michael@0 | 56 | finishAnimation(); |
| michael@0 | 57 | } |
| michael@0 | 58 | }); |
| michael@0 | 59 | } |
| michael@0 | 60 | }); |
| michael@0 | 61 | startAnimation(anim); |
| michael@0 | 62 | } |
| michael@0 | 63 | } |
| michael@0 | 64 | |
| michael@0 | 65 | @Override |
| michael@0 | 66 | protected void onDetachedFromWindow() { |
| michael@0 | 67 | super.onDetachedFromWindow(); |
| michael@0 | 68 | finishAnimation(); |
| michael@0 | 69 | } |
| michael@0 | 70 | |
| michael@0 | 71 | private void finishAnimation() { |
| michael@0 | 72 | if (mAnimating) { |
| michael@0 | 73 | getLayoutParams().height = LayoutParams.WRAP_CONTENT; |
| michael@0 | 74 | mAnimating = false; |
| michael@0 | 75 | } |
| michael@0 | 76 | } |
| michael@0 | 77 | } |
