ADD week 5
This commit is contained in:
@@ -0,0 +1,462 @@
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package androidx.constraintlayout.helper.widget;
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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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/* 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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public interface Adapter {
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int count();
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void onNewItem(int index);
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void populate(View view, int index);
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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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@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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public void setAdapter(Adapter adapter) {
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this.mAdapter = adapter;
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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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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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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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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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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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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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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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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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@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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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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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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@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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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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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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/* 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) {
|
||||
enableTransition(this.backwardTransition, false);
|
||||
} else {
|
||||
enableTransition(this.backwardTransition, true);
|
||||
this.mMotionLayout.setTransition(this.backwardTransition);
|
||||
}
|
||||
if (this.mIndex == count - 1) {
|
||||
enableTransition(this.forwardTransition, false);
|
||||
} else {
|
||||
enableTransition(this.forwardTransition, true);
|
||||
this.mMotionLayout.setTransition(this.forwardTransition);
|
||||
}
|
||||
}
|
||||
|
||||
/* renamed from: lambda$updateItems$0$androidx-constraintlayout-helper-widget-Carousel, reason: not valid java name */
|
||||
/* synthetic */ void m48xc943cdea() {
|
||||
this.mMotionLayout.setTransitionDuration(this.mAnimateTargetDelay);
|
||||
if (this.mTargetIndex < this.mIndex) {
|
||||
this.mMotionLayout.transitionToState(this.previousState, this.mAnimateTargetDelay);
|
||||
} else {
|
||||
this.mMotionLayout.transitionToState(this.nextState, this.mAnimateTargetDelay);
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user