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      1 /*
      2  * Copyright (C) 2015 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License
     15  */
     16 
     17 package com.android.systemui.assist;
     18 
     19 import android.annotation.Nullable;
     20 import android.content.Context;
     21 import android.util.AttributeSet;
     22 import android.view.View;
     23 import android.widget.FrameLayout;
     24 
     25 import com.android.systemui.Interpolators;
     26 import com.android.systemui.R;
     27 
     28 public class AssistOrbContainer extends FrameLayout {
     29 
     30     private static final long EXIT_START_DELAY = 150;
     31 
     32     private View mScrim;
     33     private View mNavbarScrim;
     34     private AssistOrbView mOrb;
     35 
     36     private boolean mAnimatingOut;
     37 
     38     public AssistOrbContainer(Context context) {
     39         this(context, null);
     40     }
     41 
     42     public AssistOrbContainer(Context context, @Nullable AttributeSet attrs) {
     43         this(context, attrs, 0);
     44     }
     45 
     46     public AssistOrbContainer(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
     47         super(context, attrs, defStyleAttr);
     48     }
     49 
     50     @Override
     51     protected void onFinishInflate() {
     52         super.onFinishInflate();
     53         mScrim = findViewById(R.id.assist_orb_scrim);
     54         mNavbarScrim = findViewById(R.id.assist_orb_navbar_scrim);
     55         mOrb = (AssistOrbView) findViewById(R.id.assist_orb);
     56     }
     57 
     58     public void show(final boolean show, boolean animate) {
     59         if (show) {
     60             if (getVisibility() != View.VISIBLE) {
     61                 setVisibility(View.VISIBLE);
     62                 if (animate) {
     63                     startEnterAnimation();
     64                 } else {
     65                     reset();
     66                 }
     67             }
     68         } else {
     69             if (animate) {
     70                 startExitAnimation(new Runnable() {
     71                     @Override
     72                     public void run() {
     73                         mAnimatingOut = false;
     74                         setVisibility(View.GONE);
     75                     }
     76                 });
     77             } else {
     78                 setVisibility(View.GONE);
     79             }
     80         }
     81     }
     82 
     83     private void reset() {
     84         mAnimatingOut = false;
     85         mOrb.reset();
     86         mScrim.setAlpha(1f);
     87         mNavbarScrim.setAlpha(1f);
     88     }
     89 
     90     private void startEnterAnimation() {
     91         if (mAnimatingOut) {
     92             return;
     93         }
     94         mOrb.startEnterAnimation();
     95         mScrim.setAlpha(0f);
     96         mNavbarScrim.setAlpha(0f);
     97         post(new Runnable() {
     98             @Override
     99             public void run() {
    100                 mScrim.animate()
    101                         .alpha(1f)
    102                         .setDuration(300)
    103                         .setStartDelay(0)
    104                         .setInterpolator(Interpolators.LINEAR_OUT_SLOW_IN);
    105                 mNavbarScrim.animate()
    106                         .alpha(1f)
    107                         .setDuration(300)
    108                         .setStartDelay(0)
    109                         .setInterpolator(Interpolators.LINEAR_OUT_SLOW_IN);
    110             }
    111         });
    112     }
    113 
    114     private void startExitAnimation(final Runnable endRunnable) {
    115         if (mAnimatingOut) {
    116             if (endRunnable != null) {
    117                 endRunnable.run();
    118             }
    119             return;
    120         }
    121         mAnimatingOut = true;
    122         mOrb.startExitAnimation(EXIT_START_DELAY);
    123         mScrim.animate()
    124                 .alpha(0f)
    125                 .setDuration(250)
    126                 .setStartDelay(EXIT_START_DELAY)
    127                 .setInterpolator(Interpolators.FAST_OUT_SLOW_IN);
    128         mNavbarScrim.animate()
    129                 .alpha(0f)
    130                 .setDuration(250)
    131                 .setStartDelay(EXIT_START_DELAY)
    132                 .setInterpolator(Interpolators.FAST_OUT_SLOW_IN)
    133                 .withEndAction(endRunnable);
    134     }
    135 
    136     /**
    137      * Whether the panel is showing, or, if it's animating, whether it will be
    138      * when the animation is done.
    139      */
    140     public boolean isShowing() {
    141         return getVisibility() == View.VISIBLE && !mAnimatingOut;
    142     }
    143 
    144     public AssistOrbView getOrb() {
    145         return mOrb;
    146     }
    147 }
    148