463 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			Java
		
	
	
	
	
	
			
		
		
	
	
			463 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			Java
		
	
	
	
	
	
| package androidx.constraintlayout.helper.widget;
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| 
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| import android.content.Context;
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| import android.content.res.TypedArray;
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| import android.util.AttributeSet;
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| import android.util.Log;
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| import android.view.View;
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| import androidx.constraintlayout.motion.widget.MotionHelper;
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| import androidx.constraintlayout.motion.widget.MotionLayout;
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| import androidx.constraintlayout.motion.widget.MotionScene;
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| import androidx.constraintlayout.widget.ConstraintSet;
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| import androidx.constraintlayout.widget.R;
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| import androidx.recyclerview.widget.ItemTouchHelper;
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| import java.util.ArrayList;
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| import java.util.Iterator;
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| 
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| /* loaded from: classes.dex */
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| public class Carousel extends MotionHelper {
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|     private static final boolean DEBUG = false;
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|     private static final String TAG = "Carousel";
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|     public static final int TOUCH_UP_CARRY_ON = 2;
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|     public static final int TOUCH_UP_IMMEDIATE_STOP = 1;
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|     private int backwardTransition;
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|     private float dampening;
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|     private int emptyViewBehavior;
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|     private int firstViewReference;
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|     private int forwardTransition;
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|     private boolean infiniteCarousel;
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|     private Adapter mAdapter;
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|     private int mAnimateTargetDelay;
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|     private int mIndex;
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|     int mLastStartId;
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|     private final ArrayList<View> mList;
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|     private MotionLayout mMotionLayout;
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|     private int mPreviousIndex;
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|     private int mTargetIndex;
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|     Runnable mUpdateRunnable;
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|     private int nextState;
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|     private int previousState;
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|     private int startIndex;
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|     private int touchUpMode;
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|     private float velocityThreshold;
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| 
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|     public interface Adapter {
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|         int count();
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| 
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|         void onNewItem(int index);
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| 
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|         void populate(View view, int index);
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|     }
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| 
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|     public int getCurrentIndex() {
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|         return this.mIndex;
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|     }
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| 
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|     @Override // androidx.constraintlayout.motion.widget.MotionHelper, androidx.constraintlayout.motion.widget.MotionLayout.TransitionListener
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|     public void onTransitionChange(MotionLayout motionLayout, int startId, int endId, float progress) {
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|         this.mLastStartId = startId;
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|     }
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| 
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|     public void setAdapter(Adapter adapter) {
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|         this.mAdapter = adapter;
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|     }
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| 
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|     public Carousel(Context context) {
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|         super(context);
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|         this.mAdapter = null;
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|         this.mList = new ArrayList<>();
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|         this.mPreviousIndex = 0;
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|         this.mIndex = 0;
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|         this.firstViewReference = -1;
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|         this.infiniteCarousel = false;
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|         this.backwardTransition = -1;
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|         this.forwardTransition = -1;
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|         this.previousState = -1;
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|         this.nextState = -1;
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|         this.dampening = 0.9f;
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|         this.startIndex = 0;
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|         this.emptyViewBehavior = 4;
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|         this.touchUpMode = 1;
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|         this.velocityThreshold = 2.0f;
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|         this.mTargetIndex = -1;
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|         this.mAnimateTargetDelay = ItemTouchHelper.Callback.DEFAULT_DRAG_ANIMATION_DURATION;
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|         this.mLastStartId = -1;
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|         this.mUpdateRunnable = new Runnable() { // from class: androidx.constraintlayout.helper.widget.Carousel.1
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|             @Override // java.lang.Runnable
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|             public void run() {
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|                 Carousel.this.mMotionLayout.setProgress(0.0f);
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|                 Carousel.this.updateItems();
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|                 Carousel.this.mAdapter.onNewItem(Carousel.this.mIndex);
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|                 float velocity = Carousel.this.mMotionLayout.getVelocity();
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|                 if (Carousel.this.touchUpMode != 2 || velocity <= Carousel.this.velocityThreshold || Carousel.this.mIndex >= Carousel.this.mAdapter.count() - 1) {
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|                     return;
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|                 }
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|                 final float f = velocity * Carousel.this.dampening;
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|                 if (Carousel.this.mIndex != 0 || Carousel.this.mPreviousIndex <= Carousel.this.mIndex) {
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|                     if (Carousel.this.mIndex != Carousel.this.mAdapter.count() - 1 || Carousel.this.mPreviousIndex >= Carousel.this.mIndex) {
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|                         Carousel.this.mMotionLayout.post(new Runnable() { // from class: androidx.constraintlayout.helper.widget.Carousel.1.1
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|                             @Override // java.lang.Runnable
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|                             public void run() {
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|                                 Carousel.this.mMotionLayout.touchAnimateTo(5, 1.0f, f);
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|                             }
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|                         });
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|                     }
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|                 }
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|             }
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|         };
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|     }
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| 
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|     public Carousel(Context context, AttributeSet attrs) {
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|         super(context, attrs);
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|         this.mAdapter = null;
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|         this.mList = new ArrayList<>();
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|         this.mPreviousIndex = 0;
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|         this.mIndex = 0;
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|         this.firstViewReference = -1;
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|         this.infiniteCarousel = false;
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|         this.backwardTransition = -1;
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|         this.forwardTransition = -1;
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|         this.previousState = -1;
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|         this.nextState = -1;
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|         this.dampening = 0.9f;
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|         this.startIndex = 0;
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|         this.emptyViewBehavior = 4;
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|         this.touchUpMode = 1;
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|         this.velocityThreshold = 2.0f;
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|         this.mTargetIndex = -1;
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|         this.mAnimateTargetDelay = ItemTouchHelper.Callback.DEFAULT_DRAG_ANIMATION_DURATION;
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|         this.mLastStartId = -1;
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|         this.mUpdateRunnable = new Runnable() { // from class: androidx.constraintlayout.helper.widget.Carousel.1
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|             @Override // java.lang.Runnable
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|             public void run() {
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|                 Carousel.this.mMotionLayout.setProgress(0.0f);
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|                 Carousel.this.updateItems();
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|                 Carousel.this.mAdapter.onNewItem(Carousel.this.mIndex);
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|                 float velocity = Carousel.this.mMotionLayout.getVelocity();
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|                 if (Carousel.this.touchUpMode != 2 || velocity <= Carousel.this.velocityThreshold || Carousel.this.mIndex >= Carousel.this.mAdapter.count() - 1) {
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|                     return;
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|                 }
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|                 final float f = velocity * Carousel.this.dampening;
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|                 if (Carousel.this.mIndex != 0 || Carousel.this.mPreviousIndex <= Carousel.this.mIndex) {
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|                     if (Carousel.this.mIndex != Carousel.this.mAdapter.count() - 1 || Carousel.this.mPreviousIndex >= Carousel.this.mIndex) {
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|                         Carousel.this.mMotionLayout.post(new Runnable() { // from class: androidx.constraintlayout.helper.widget.Carousel.1.1
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|                             @Override // java.lang.Runnable
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|                             public void run() {
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|                                 Carousel.this.mMotionLayout.touchAnimateTo(5, 1.0f, f);
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|                             }
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|                         });
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|                     }
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|                 }
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|             }
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|         };
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|         init(context, attrs);
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|     }
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| 
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|     public Carousel(Context context, AttributeSet attrs, int defStyleAttr) {
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|         super(context, attrs, defStyleAttr);
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|         this.mAdapter = null;
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|         this.mList = new ArrayList<>();
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|         this.mPreviousIndex = 0;
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|         this.mIndex = 0;
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|         this.firstViewReference = -1;
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|         this.infiniteCarousel = false;
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|         this.backwardTransition = -1;
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|         this.forwardTransition = -1;
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|         this.previousState = -1;
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|         this.nextState = -1;
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|         this.dampening = 0.9f;
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|         this.startIndex = 0;
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|         this.emptyViewBehavior = 4;
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|         this.touchUpMode = 1;
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|         this.velocityThreshold = 2.0f;
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|         this.mTargetIndex = -1;
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|         this.mAnimateTargetDelay = ItemTouchHelper.Callback.DEFAULT_DRAG_ANIMATION_DURATION;
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|         this.mLastStartId = -1;
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|         this.mUpdateRunnable = new Runnable() { // from class: androidx.constraintlayout.helper.widget.Carousel.1
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|             @Override // java.lang.Runnable
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|             public void run() {
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|                 Carousel.this.mMotionLayout.setProgress(0.0f);
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|                 Carousel.this.updateItems();
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|                 Carousel.this.mAdapter.onNewItem(Carousel.this.mIndex);
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|                 float velocity = Carousel.this.mMotionLayout.getVelocity();
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|                 if (Carousel.this.touchUpMode != 2 || velocity <= Carousel.this.velocityThreshold || Carousel.this.mIndex >= Carousel.this.mAdapter.count() - 1) {
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|                     return;
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|                 }
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|                 final float f = velocity * Carousel.this.dampening;
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|                 if (Carousel.this.mIndex != 0 || Carousel.this.mPreviousIndex <= Carousel.this.mIndex) {
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|                     if (Carousel.this.mIndex != Carousel.this.mAdapter.count() - 1 || Carousel.this.mPreviousIndex >= Carousel.this.mIndex) {
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|                         Carousel.this.mMotionLayout.post(new Runnable() { // from class: androidx.constraintlayout.helper.widget.Carousel.1.1
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|                             @Override // java.lang.Runnable
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|                             public void run() {
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|                                 Carousel.this.mMotionLayout.touchAnimateTo(5, 1.0f, f);
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|                             }
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|                         });
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|                     }
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|                 }
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|             }
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|         };
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|         init(context, attrs);
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|     }
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| 
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|     private void init(Context context, AttributeSet attrs) {
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|         if (attrs != null) {
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|             TypedArray obtainStyledAttributes = context.obtainStyledAttributes(attrs, R.styleable.Carousel);
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|             int indexCount = obtainStyledAttributes.getIndexCount();
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|             for (int i = 0; i < indexCount; i++) {
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|                 int index = obtainStyledAttributes.getIndex(i);
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|                 if (index == R.styleable.Carousel_carousel_firstView) {
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|                     this.firstViewReference = obtainStyledAttributes.getResourceId(index, this.firstViewReference);
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|                 } else if (index == R.styleable.Carousel_carousel_backwardTransition) {
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|                     this.backwardTransition = obtainStyledAttributes.getResourceId(index, this.backwardTransition);
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|                 } else if (index == R.styleable.Carousel_carousel_forwardTransition) {
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|                     this.forwardTransition = obtainStyledAttributes.getResourceId(index, this.forwardTransition);
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|                 } else if (index == R.styleable.Carousel_carousel_emptyViewsBehavior) {
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|                     this.emptyViewBehavior = obtainStyledAttributes.getInt(index, this.emptyViewBehavior);
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|                 } else if (index == R.styleable.Carousel_carousel_previousState) {
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|                     this.previousState = obtainStyledAttributes.getResourceId(index, this.previousState);
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|                 } else if (index == R.styleable.Carousel_carousel_nextState) {
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|                     this.nextState = obtainStyledAttributes.getResourceId(index, this.nextState);
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|                 } else if (index == R.styleable.Carousel_carousel_touchUp_dampeningFactor) {
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|                     this.dampening = obtainStyledAttributes.getFloat(index, this.dampening);
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|                 } else if (index == R.styleable.Carousel_carousel_touchUpMode) {
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|                     this.touchUpMode = obtainStyledAttributes.getInt(index, this.touchUpMode);
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|                 } else if (index == R.styleable.Carousel_carousel_touchUp_velocityThreshold) {
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|                     this.velocityThreshold = obtainStyledAttributes.getFloat(index, this.velocityThreshold);
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|                 } else if (index == R.styleable.Carousel_carousel_infinite) {
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|                     this.infiniteCarousel = obtainStyledAttributes.getBoolean(index, this.infiniteCarousel);
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|                 }
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|             }
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|             obtainStyledAttributes.recycle();
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|         }
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|     }
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| 
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|     public int getCount() {
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|         Adapter adapter = this.mAdapter;
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|         if (adapter != null) {
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|             return adapter.count();
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|         }
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|         return 0;
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|     }
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| 
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|     public void transitionToIndex(int index, int delay) {
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|         this.mTargetIndex = Math.max(0, Math.min(getCount() - 1, index));
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|         int max = Math.max(0, delay);
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|         this.mAnimateTargetDelay = max;
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|         this.mMotionLayout.setTransitionDuration(max);
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|         if (index < this.mIndex) {
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|             this.mMotionLayout.transitionToState(this.previousState, this.mAnimateTargetDelay);
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|         } else {
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|             this.mMotionLayout.transitionToState(this.nextState, this.mAnimateTargetDelay);
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|         }
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|     }
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| 
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|     public void jumpToIndex(int index) {
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|         this.mIndex = Math.max(0, Math.min(getCount() - 1, index));
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|         refresh();
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|     }
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| 
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|     public void refresh() {
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|         int size = this.mList.size();
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|         for (int i = 0; i < size; i++) {
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|             View view = this.mList.get(i);
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|             if (this.mAdapter.count() == 0) {
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|                 updateViewVisibility(view, this.emptyViewBehavior);
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|             } else {
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|                 updateViewVisibility(view, 0);
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|             }
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|         }
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|         this.mMotionLayout.rebuildScene();
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|         updateItems();
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|     }
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| 
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|     @Override // androidx.constraintlayout.motion.widget.MotionHelper, androidx.constraintlayout.motion.widget.MotionLayout.TransitionListener
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|     public void onTransitionCompleted(MotionLayout motionLayout, int currentId) {
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|         int i = this.mIndex;
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|         this.mPreviousIndex = i;
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|         if (currentId == this.nextState) {
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|             this.mIndex = i + 1;
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|         } else if (currentId == this.previousState) {
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|             this.mIndex = i - 1;
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|         }
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|         if (this.infiniteCarousel) {
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|             if (this.mIndex >= this.mAdapter.count()) {
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|                 this.mIndex = 0;
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|             }
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|             if (this.mIndex < 0) {
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|                 this.mIndex = this.mAdapter.count() - 1;
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|             }
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|         } else {
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|             if (this.mIndex >= this.mAdapter.count()) {
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|                 this.mIndex = this.mAdapter.count() - 1;
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|             }
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|             if (this.mIndex < 0) {
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|                 this.mIndex = 0;
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|             }
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|         }
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|         if (this.mPreviousIndex != this.mIndex) {
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|             this.mMotionLayout.post(this.mUpdateRunnable);
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|         }
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|     }
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| 
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|     private void enableAllTransitions(boolean enable) {
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|         Iterator<MotionScene.Transition> it = this.mMotionLayout.getDefinedTransitions().iterator();
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|         while (it.hasNext()) {
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|             it.next().setEnabled(enable);
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|         }
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|     }
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| 
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|     private boolean enableTransition(int transitionID, boolean enable) {
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|         MotionLayout motionLayout;
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|         MotionScene.Transition transition;
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|         if (transitionID == -1 || (motionLayout = this.mMotionLayout) == null || (transition = motionLayout.getTransition(transitionID)) == null || enable == transition.isEnabled()) {
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|             return false;
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|         }
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|         transition.setEnabled(enable);
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|         return true;
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|     }
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| 
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|     @Override // androidx.constraintlayout.widget.ConstraintHelper, android.view.View
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|     protected void onAttachedToWindow() {
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|         super.onAttachedToWindow();
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|         if (getParent() instanceof MotionLayout) {
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|             MotionLayout motionLayout = (MotionLayout) getParent();
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|             for (int i = 0; i < this.mCount; i++) {
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|                 int i2 = this.mIds[i];
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|                 View viewById = motionLayout.getViewById(i2);
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|                 if (this.firstViewReference == i2) {
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|                     this.startIndex = i;
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|                 }
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|                 this.mList.add(viewById);
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|             }
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|             this.mMotionLayout = motionLayout;
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|             if (this.touchUpMode == 2) {
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|                 MotionScene.Transition transition = motionLayout.getTransition(this.forwardTransition);
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|                 if (transition != null) {
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|                     transition.setOnTouchUp(5);
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|                 }
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|                 MotionScene.Transition transition2 = this.mMotionLayout.getTransition(this.backwardTransition);
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|                 if (transition2 != null) {
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|                     transition2.setOnTouchUp(5);
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|                 }
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|             }
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|             updateItems();
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|         }
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|     }
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| 
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|     private boolean updateViewVisibility(View view, int visibility) {
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|         MotionLayout motionLayout = this.mMotionLayout;
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|         if (motionLayout == null) {
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|             return false;
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|         }
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|         boolean z = false;
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|         for (int i : motionLayout.getConstraintSetIds()) {
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|             z |= updateViewVisibility(i, view, visibility);
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|         }
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|         return z;
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|     }
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| 
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|     private boolean updateViewVisibility(int constraintSetId, View view, int visibility) {
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|         ConstraintSet.Constraint constraint;
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|         ConstraintSet constraintSet = this.mMotionLayout.getConstraintSet(constraintSetId);
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|         if (constraintSet == null || (constraint = constraintSet.getConstraint(view.getId())) == null) {
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|             return false;
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|         }
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|         constraint.propertySet.mVisibilityMode = 1;
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|         view.setVisibility(visibility);
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|         return true;
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|     }
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| 
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|     /* JADX INFO: Access modifiers changed from: private */
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|     public void updateItems() {
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|         Adapter adapter = this.mAdapter;
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|         if (adapter == null || this.mMotionLayout == null || adapter.count() == 0) {
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|             return;
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|         }
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|         int size = this.mList.size();
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|         for (int i = 0; i < size; i++) {
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|             View view = this.mList.get(i);
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|             int i2 = (this.mIndex + i) - this.startIndex;
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|             if (this.infiniteCarousel) {
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|                 if (i2 < 0) {
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|                     int i3 = this.emptyViewBehavior;
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|                     if (i3 != 4) {
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|                         updateViewVisibility(view, i3);
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|                     } else {
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|                         updateViewVisibility(view, 0);
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|                     }
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|                     if (i2 % this.mAdapter.count() == 0) {
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|                         this.mAdapter.populate(view, 0);
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|                     } else {
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|                         Adapter adapter2 = this.mAdapter;
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|                         adapter2.populate(view, adapter2.count() + (i2 % this.mAdapter.count()));
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|                     }
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|                 } else if (i2 >= this.mAdapter.count()) {
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|                     if (i2 == this.mAdapter.count()) {
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|                         i2 = 0;
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|                     } else if (i2 > this.mAdapter.count()) {
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|                         i2 %= this.mAdapter.count();
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|                     }
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|                     int i4 = this.emptyViewBehavior;
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|                     if (i4 != 4) {
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|                         updateViewVisibility(view, i4);
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|                     } else {
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|                         updateViewVisibility(view, 0);
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|                     }
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|                     this.mAdapter.populate(view, i2);
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|                 } else {
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|                     updateViewVisibility(view, 0);
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|                     this.mAdapter.populate(view, i2);
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|                 }
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|             } else if (i2 < 0) {
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|                 updateViewVisibility(view, this.emptyViewBehavior);
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|             } else if (i2 >= this.mAdapter.count()) {
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|                 updateViewVisibility(view, this.emptyViewBehavior);
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|             } else {
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|                 updateViewVisibility(view, 0);
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|                 this.mAdapter.populate(view, i2);
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|             }
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|         }
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|         int i5 = this.mTargetIndex;
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|         if (i5 != -1 && i5 != this.mIndex) {
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|             this.mMotionLayout.post(new Runnable() { // from class: androidx.constraintlayout.helper.widget.Carousel$$ExternalSyntheticLambda0
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|                 @Override // java.lang.Runnable
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|                 public final void run() {
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|                     Carousel.this.m48xc943cdea();
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|                 }
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|             });
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|         } else if (i5 == this.mIndex) {
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|             this.mTargetIndex = -1;
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|         }
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|         if (this.backwardTransition == -1 || this.forwardTransition == -1) {
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|             Log.w(TAG, "No backward or forward transitions defined for Carousel!");
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|             return;
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|         }
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|         if (this.infiniteCarousel) {
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|             return;
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|         }
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|         int count = this.mAdapter.count();
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|         if (this.mIndex == 0) {
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|             enableTransition(this.backwardTransition, false);
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|         } else {
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|             enableTransition(this.backwardTransition, true);
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|             this.mMotionLayout.setTransition(this.backwardTransition);
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|         }
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|         if (this.mIndex == count - 1) {
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|             enableTransition(this.forwardTransition, false);
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|         } else {
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|             enableTransition(this.forwardTransition, true);
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|             this.mMotionLayout.setTransition(this.forwardTransition);
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|         }
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|     }
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| 
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|     /* renamed from: lambda$updateItems$0$androidx-constraintlayout-helper-widget-Carousel, reason: not valid java name */
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|     /* synthetic */ void m48xc943cdea() {
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|         this.mMotionLayout.setTransitionDuration(this.mAnimateTargetDelay);
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|         if (this.mTargetIndex < this.mIndex) {
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|             this.mMotionLayout.transitionToState(this.previousState, this.mAnimateTargetDelay);
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|         } else {
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|             this.mMotionLayout.transitionToState(this.nextState, this.mAnimateTargetDelay);
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|         }
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|     }
 | |
| }
 |