Rabbit-R1/android (non root)/java/sources/com/google/android/material/carousel/CarouselLayoutManager.java
2024-05-21 17:08:36 -04:00

978 lines
44 KiB
Java

package com.google.android.material.carousel;
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.PointF;
import android.graphics.Rect;
import android.graphics.RectF;
import android.util.AttributeSet;
import android.util.Log;
import android.view.View;
import android.view.accessibility.AccessibilityEvent;
import androidx.core.graphics.ColorUtils;
import androidx.core.math.MathUtils;
import androidx.core.util.Preconditions;
import androidx.recyclerview.widget.LinearSmoothScroller;
import androidx.recyclerview.widget.RecyclerView;
import com.google.android.material.R;
import com.google.android.material.animation.AnimationUtils;
import com.google.android.material.carousel.KeylineState;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;
/* loaded from: classes2.dex */
public class CarouselLayoutManager extends RecyclerView.LayoutManager implements Carousel, RecyclerView.SmoothScroller.ScrollVectorProvider {
public static final int ALIGNMENT_CENTER = 1;
public static final int ALIGNMENT_START = 0;
public static final int HORIZONTAL = 0;
private static final String TAG = "CarouselLayoutManager";
public static final int VERTICAL = 1;
private int carouselAlignment;
private CarouselStrategy carouselStrategy;
private int currentEstimatedPosition;
private int currentFillStartPosition;
private KeylineState currentKeylineState;
private final DebugItemDecoration debugItemDecoration;
private boolean isDebuggingEnabled;
private KeylineStateList keylineStateList;
private Map<Integer, KeylineState> keylineStatePositionMap;
private int lastItemCount;
int maxScroll;
int minScroll;
private CarouselOrientationHelper orientationHelper;
private final View.OnLayoutChangeListener recyclerViewSizeChangeListener;
int scrollOffset;
private static int calculateShouldScrollBy(int i, int i2, int i3, int i4) {
int i5 = i2 + i;
return i5 < i3 ? i3 - i2 : i5 > i4 ? i4 - i2 : i;
}
@Override // androidx.recyclerview.widget.RecyclerView.LayoutManager
public int computeHorizontalScrollOffset(RecyclerView.State state) {
return this.scrollOffset;
}
@Override // androidx.recyclerview.widget.RecyclerView.LayoutManager
public int computeHorizontalScrollRange(RecyclerView.State state) {
return this.maxScroll - this.minScroll;
}
@Override // androidx.recyclerview.widget.RecyclerView.LayoutManager
public int computeVerticalScrollOffset(RecyclerView.State state) {
return this.scrollOffset;
}
@Override // androidx.recyclerview.widget.RecyclerView.LayoutManager
public int computeVerticalScrollRange(RecyclerView.State state) {
return this.maxScroll - this.minScroll;
}
@Override // com.google.android.material.carousel.Carousel
public int getCarouselAlignment() {
return this.carouselAlignment;
}
/* JADX INFO: Access modifiers changed from: package-private */
/* renamed from: lambda$new$0$com-google-android-material-carousel-CarouselLayoutManager, reason: not valid java name */
public /* synthetic */ void m5485x2ff337cb(View view, int i, int i2, int i3, int i4, int i5, int i6, int i7, int i8) {
if (i == i5 && i2 == i6 && i3 == i7 && i4 == i8) {
return;
}
view.post(new Runnable() { // from class: com.google.android.material.carousel.CarouselLayoutManager$$ExternalSyntheticLambda0
@Override // java.lang.Runnable
public final void run() {
CarouselLayoutManager.this.refreshKeylineState();
}
});
}
/* JADX INFO: Access modifiers changed from: private */
/* loaded from: classes2.dex */
public static final class ChildCalculations {
final float center;
final View child;
final float offsetCenter;
final KeylineRange range;
ChildCalculations(View view, float f, float f2, KeylineRange keylineRange) {
this.child = view;
this.center = f;
this.offsetCenter = f2;
this.range = keylineRange;
}
}
public CarouselLayoutManager() {
this(new MultiBrowseCarouselStrategy());
}
public CarouselLayoutManager(CarouselStrategy carouselStrategy) {
this(carouselStrategy, 0);
}
public CarouselLayoutManager(CarouselStrategy carouselStrategy, int i) {
this.isDebuggingEnabled = false;
this.debugItemDecoration = new DebugItemDecoration();
this.currentFillStartPosition = 0;
this.recyclerViewSizeChangeListener = new View.OnLayoutChangeListener() { // from class: com.google.android.material.carousel.CarouselLayoutManager$$ExternalSyntheticLambda1
@Override // android.view.View.OnLayoutChangeListener
public final void onLayoutChange(View view, int i2, int i3, int i4, int i5, int i6, int i7, int i8, int i9) {
CarouselLayoutManager.this.m5485x2ff337cb(view, i2, i3, i4, i5, i6, i7, i8, i9);
}
};
this.currentEstimatedPosition = -1;
this.carouselAlignment = 0;
setCarouselStrategy(carouselStrategy);
setOrientation(i);
}
public CarouselLayoutManager(Context context, AttributeSet attributeSet, int i, int i2) {
this.isDebuggingEnabled = false;
this.debugItemDecoration = new DebugItemDecoration();
this.currentFillStartPosition = 0;
this.recyclerViewSizeChangeListener = new View.OnLayoutChangeListener() { // from class: com.google.android.material.carousel.CarouselLayoutManager$$ExternalSyntheticLambda1
@Override // android.view.View.OnLayoutChangeListener
public final void onLayoutChange(View view, int i22, int i3, int i4, int i5, int i6, int i7, int i8, int i9) {
CarouselLayoutManager.this.m5485x2ff337cb(view, i22, i3, i4, i5, i6, i7, i8, i9);
}
};
this.currentEstimatedPosition = -1;
this.carouselAlignment = 0;
setCarouselStrategy(new MultiBrowseCarouselStrategy());
setCarouselAttributes(context, attributeSet);
}
private void setCarouselAttributes(Context context, AttributeSet attributeSet) {
if (attributeSet != null) {
TypedArray obtainStyledAttributes = context.obtainStyledAttributes(attributeSet, R.styleable.Carousel);
setCarouselAlignment(obtainStyledAttributes.getInt(R.styleable.Carousel_carousel_alignment, 0));
setOrientation(obtainStyledAttributes.getInt(R.styleable.RecyclerView_android_orientation, 0));
obtainStyledAttributes.recycle();
}
}
public void setCarouselAlignment(int i) {
this.carouselAlignment = i;
refreshKeylineState();
}
@Override // androidx.recyclerview.widget.RecyclerView.LayoutManager
public RecyclerView.LayoutParams generateDefaultLayoutParams() {
return new RecyclerView.LayoutParams(-2, -2);
}
public void setCarouselStrategy(CarouselStrategy carouselStrategy) {
this.carouselStrategy = carouselStrategy;
refreshKeylineState();
}
@Override // androidx.recyclerview.widget.RecyclerView.LayoutManager
public void onAttachedToWindow(RecyclerView recyclerView) {
super.onAttachedToWindow(recyclerView);
refreshKeylineState();
recyclerView.addOnLayoutChangeListener(this.recyclerViewSizeChangeListener);
}
@Override // androidx.recyclerview.widget.RecyclerView.LayoutManager
public void onDetachedFromWindow(RecyclerView recyclerView, RecyclerView.Recycler recycler) {
super.onDetachedFromWindow(recyclerView, recycler);
recyclerView.removeOnLayoutChangeListener(this.recyclerViewSizeChangeListener);
}
@Override // androidx.recyclerview.widget.RecyclerView.LayoutManager
public void onLayoutChildren(RecyclerView.Recycler recycler, RecyclerView.State state) {
if (state.getItemCount() <= 0 || getContainerSize() <= 0.0f) {
removeAndRecycleAllViews(recycler);
this.currentFillStartPosition = 0;
return;
}
boolean isLayoutRtl = isLayoutRtl();
boolean z = this.keylineStateList == null;
if (z) {
recalculateKeylineStateList(recycler);
}
int calculateStartScroll = calculateStartScroll(this.keylineStateList);
int calculateEndScroll = calculateEndScroll(state, this.keylineStateList);
this.minScroll = isLayoutRtl ? calculateEndScroll : calculateStartScroll;
if (isLayoutRtl) {
calculateEndScroll = calculateStartScroll;
}
this.maxScroll = calculateEndScroll;
if (z) {
this.scrollOffset = calculateStartScroll;
this.keylineStatePositionMap = this.keylineStateList.getKeylineStateForPositionMap(getItemCount(), this.minScroll, this.maxScroll, isLayoutRtl());
int i = this.currentEstimatedPosition;
if (i != -1) {
this.scrollOffset = getScrollOffsetForPosition(i, getKeylineStateForPosition(i));
}
}
int i2 = this.scrollOffset;
this.scrollOffset = i2 + calculateShouldScrollBy(0, i2, this.minScroll, this.maxScroll);
this.currentFillStartPosition = MathUtils.clamp(this.currentFillStartPosition, 0, state.getItemCount());
updateCurrentKeylineStateForScrollOffset(this.keylineStateList);
detachAndScrapAttachedViews(recycler);
fill(recycler, state);
this.lastItemCount = getItemCount();
}
private void recalculateKeylineStateList(RecyclerView.Recycler recycler) {
View viewForPosition = recycler.getViewForPosition(0);
measureChildWithMargins(viewForPosition, 0, 0);
KeylineState onFirstChildMeasuredWithMargins = this.carouselStrategy.onFirstChildMeasuredWithMargins(this, viewForPosition);
if (isLayoutRtl()) {
onFirstChildMeasuredWithMargins = KeylineState.reverse(onFirstChildMeasuredWithMargins, getContainerSize());
}
this.keylineStateList = KeylineStateList.from(this, onFirstChildMeasuredWithMargins);
}
/* JADX INFO: Access modifiers changed from: private */
public void refreshKeylineState() {
this.keylineStateList = null;
requestLayout();
}
private void fill(RecyclerView.Recycler recycler, RecyclerView.State state) {
removeAndRecycleOutOfBoundsViews(recycler);
if (getChildCount() == 0) {
addViewsStart(recycler, this.currentFillStartPosition - 1);
addViewsEnd(recycler, state, this.currentFillStartPosition);
} else {
int position = getPosition(getChildAt(0));
int position2 = getPosition(getChildAt(getChildCount() - 1));
addViewsStart(recycler, position - 1);
addViewsEnd(recycler, state, position2 + 1);
}
validateChildOrderIfDebugging();
}
@Override // androidx.recyclerview.widget.RecyclerView.LayoutManager
public void onLayoutCompleted(RecyclerView.State state) {
super.onLayoutCompleted(state);
if (getChildCount() == 0) {
this.currentFillStartPosition = 0;
} else {
this.currentFillStartPosition = getPosition(getChildAt(0));
}
validateChildOrderIfDebugging();
}
private void addViewsStart(RecyclerView.Recycler recycler, int i) {
float calculateChildStartForFill = calculateChildStartForFill(i);
while (i >= 0) {
ChildCalculations makeChildCalculations = makeChildCalculations(recycler, calculateChildStartForFill, i);
if (isLocOffsetOutOfFillBoundsStart(makeChildCalculations.offsetCenter, makeChildCalculations.range)) {
return;
}
calculateChildStartForFill = addStart(calculateChildStartForFill, this.currentKeylineState.getItemSize());
if (!isLocOffsetOutOfFillBoundsEnd(makeChildCalculations.offsetCenter, makeChildCalculations.range)) {
addAndLayoutView(makeChildCalculations.child, 0, makeChildCalculations);
}
i--;
}
}
private void addViewAtPosition(RecyclerView.Recycler recycler, int i, int i2) {
if (i < 0 || i >= getItemCount()) {
return;
}
ChildCalculations makeChildCalculations = makeChildCalculations(recycler, calculateChildStartForFill(i), i);
addAndLayoutView(makeChildCalculations.child, i2, makeChildCalculations);
}
private void addViewsEnd(RecyclerView.Recycler recycler, RecyclerView.State state, int i) {
float calculateChildStartForFill = calculateChildStartForFill(i);
while (i < state.getItemCount()) {
ChildCalculations makeChildCalculations = makeChildCalculations(recycler, calculateChildStartForFill, i);
if (isLocOffsetOutOfFillBoundsEnd(makeChildCalculations.offsetCenter, makeChildCalculations.range)) {
return;
}
calculateChildStartForFill = addEnd(calculateChildStartForFill, this.currentKeylineState.getItemSize());
if (!isLocOffsetOutOfFillBoundsStart(makeChildCalculations.offsetCenter, makeChildCalculations.range)) {
addAndLayoutView(makeChildCalculations.child, -1, makeChildCalculations);
}
i++;
}
}
private void logChildrenIfDebugging() {
if (this.isDebuggingEnabled && Log.isLoggable(TAG, 3)) {
Log.d(TAG, "internal representation of views on the screen");
for (int i = 0; i < getChildCount(); i++) {
View childAt = getChildAt(i);
Log.d(TAG, "item position " + getPosition(childAt) + ", center:" + getDecoratedCenterWithMargins(childAt) + ", child index:" + i);
}
Log.d(TAG, "==============");
}
}
private void validateChildOrderIfDebugging() {
if (!this.isDebuggingEnabled || getChildCount() < 1) {
return;
}
int i = 0;
while (i < getChildCount() - 1) {
int position = getPosition(getChildAt(i));
int i2 = i + 1;
int position2 = getPosition(getChildAt(i2));
if (position > position2) {
logChildrenIfDebugging();
throw new IllegalStateException("Detected invalid child order. Child at index [" + i + "] had adapter position [" + position + "] and child at index [" + i2 + "] had adapter position [" + position2 + "].");
}
i = i2;
}
}
private ChildCalculations makeChildCalculations(RecyclerView.Recycler recycler, float f, int i) {
View viewForPosition = recycler.getViewForPosition(i);
measureChildWithMargins(viewForPosition, 0, 0);
float addEnd = addEnd(f, this.currentKeylineState.getItemSize() / 2.0f);
KeylineRange surroundingKeylineRange = getSurroundingKeylineRange(this.currentKeylineState.getKeylines(), addEnd, false);
return new ChildCalculations(viewForPosition, addEnd, calculateChildOffsetCenterForLocation(viewForPosition, addEnd, surroundingKeylineRange), surroundingKeylineRange);
}
private void addAndLayoutView(View view, int i, ChildCalculations childCalculations) {
float itemSize = this.currentKeylineState.getItemSize() / 2.0f;
addView(view, i);
this.orientationHelper.layoutDecoratedWithMargins(view, (int) (childCalculations.offsetCenter - itemSize), (int) (childCalculations.offsetCenter + itemSize));
updateChildMaskForLocation(view, childCalculations.center, childCalculations.range);
}
private boolean isLocOffsetOutOfFillBoundsStart(float f, KeylineRange keylineRange) {
float addEnd = addEnd(f, getMaskedItemSizeForLocOffset(f, keylineRange) / 2.0f);
if (isLayoutRtl()) {
if (addEnd > getContainerSize()) {
return true;
}
} else if (addEnd < 0.0f) {
return true;
}
return false;
}
@Override // com.google.android.material.carousel.Carousel
public boolean isHorizontal() {
return this.orientationHelper.orientation == 0;
}
private boolean isLocOffsetOutOfFillBoundsEnd(float f, KeylineRange keylineRange) {
float addStart = addStart(f, getMaskedItemSizeForLocOffset(f, keylineRange) / 2.0f);
if (isLayoutRtl()) {
if (addStart < 0.0f) {
return true;
}
} else if (addStart > getContainerSize()) {
return true;
}
return false;
}
@Override // androidx.recyclerview.widget.RecyclerView.LayoutManager
public void getDecoratedBoundsWithMargins(View view, Rect rect) {
super.getDecoratedBoundsWithMargins(view, rect);
float centerY = rect.centerY();
if (isHorizontal()) {
centerY = rect.centerX();
}
float maskedItemSizeForLocOffset = getMaskedItemSizeForLocOffset(centerY, getSurroundingKeylineRange(this.currentKeylineState.getKeylines(), centerY, true));
float width = isHorizontal() ? (rect.width() - maskedItemSizeForLocOffset) / 2.0f : 0.0f;
float height = isHorizontal() ? 0.0f : (rect.height() - maskedItemSizeForLocOffset) / 2.0f;
rect.set((int) (rect.left + width), (int) (rect.top + height), (int) (rect.right - width), (int) (rect.bottom - height));
}
private float getDecoratedCenterWithMargins(View view) {
int centerY;
Rect rect = new Rect();
super.getDecoratedBoundsWithMargins(view, rect);
if (isHorizontal()) {
centerY = rect.centerX();
} else {
centerY = rect.centerY();
}
return centerY;
}
private void removeAndRecycleOutOfBoundsViews(RecyclerView.Recycler recycler) {
while (getChildCount() > 0) {
View childAt = getChildAt(0);
float decoratedCenterWithMargins = getDecoratedCenterWithMargins(childAt);
if (!isLocOffsetOutOfFillBoundsStart(decoratedCenterWithMargins, getSurroundingKeylineRange(this.currentKeylineState.getKeylines(), decoratedCenterWithMargins, true))) {
break;
} else {
removeAndRecycleView(childAt, recycler);
}
}
while (getChildCount() - 1 >= 0) {
View childAt2 = getChildAt(getChildCount() - 1);
float decoratedCenterWithMargins2 = getDecoratedCenterWithMargins(childAt2);
if (!isLocOffsetOutOfFillBoundsEnd(decoratedCenterWithMargins2, getSurroundingKeylineRange(this.currentKeylineState.getKeylines(), decoratedCenterWithMargins2, true))) {
return;
} else {
removeAndRecycleView(childAt2, recycler);
}
}
}
private static KeylineRange getSurroundingKeylineRange(List<KeylineState.Keyline> list, float f, boolean z) {
float f2 = Float.MAX_VALUE;
int i = -1;
int i2 = -1;
int i3 = -1;
int i4 = -1;
float f3 = -3.4028235E38f;
float f4 = Float.MAX_VALUE;
float f5 = Float.MAX_VALUE;
for (int i5 = 0; i5 < list.size(); i5++) {
KeylineState.Keyline keyline = list.get(i5);
float f6 = z ? keyline.locOffset : keyline.loc;
float abs = Math.abs(f6 - f);
if (f6 <= f && abs <= f2) {
i = i5;
f2 = abs;
}
if (f6 > f && abs <= f4) {
i3 = i5;
f4 = abs;
}
if (f6 <= f5) {
i2 = i5;
f5 = f6;
}
if (f6 > f3) {
i4 = i5;
f3 = f6;
}
}
if (i == -1) {
i = i2;
}
if (i3 == -1) {
i3 = i4;
}
return new KeylineRange(list.get(i), list.get(i3));
}
private void updateCurrentKeylineStateForScrollOffset(KeylineStateList keylineStateList) {
int i = this.maxScroll;
int i2 = this.minScroll;
if (i <= i2) {
this.currentKeylineState = isLayoutRtl() ? keylineStateList.getEndState() : keylineStateList.getStartState();
} else {
this.currentKeylineState = keylineStateList.getShiftedState(this.scrollOffset, i2, i);
}
this.debugItemDecoration.setKeylines(this.currentKeylineState.getKeylines());
}
private int calculateStartScroll(KeylineStateList keylineStateList) {
boolean isLayoutRtl = isLayoutRtl();
KeylineState endState = isLayoutRtl ? keylineStateList.getEndState() : keylineStateList.getStartState();
return (int) (((getPaddingStart() * (isLayoutRtl ? 1 : -1)) + getParentStart()) - addStart((isLayoutRtl ? endState.getLastFocalKeyline() : endState.getFirstFocalKeyline()).loc, endState.getItemSize() / 2.0f));
}
private int calculateEndScroll(RecyclerView.State state, KeylineStateList keylineStateList) {
boolean isLayoutRtl = isLayoutRtl();
KeylineState startState = isLayoutRtl ? keylineStateList.getStartState() : keylineStateList.getEndState();
KeylineState.Keyline firstFocalKeyline = isLayoutRtl ? startState.getFirstFocalKeyline() : startState.getLastFocalKeyline();
int itemCount = (int) ((((((state.getItemCount() - 1) * startState.getItemSize()) + getPaddingEnd()) * (isLayoutRtl ? -1.0f : 1.0f)) - (firstFocalKeyline.loc - getParentStart())) + (getParentEnd() - firstFocalKeyline.loc));
return isLayoutRtl ? Math.min(0, itemCount) : Math.max(0, itemCount);
}
private float calculateChildStartForFill(int i) {
return addEnd(getParentStart() - this.scrollOffset, this.currentKeylineState.getItemSize() * i);
}
private float calculateChildOffsetCenterForLocation(View view, float f, KeylineRange keylineRange) {
float lerp = AnimationUtils.lerp(keylineRange.leftOrTop.locOffset, keylineRange.rightOrBottom.locOffset, keylineRange.leftOrTop.loc, keylineRange.rightOrBottom.loc, f);
if (keylineRange.rightOrBottom != this.currentKeylineState.getFirstKeyline() && keylineRange.leftOrTop != this.currentKeylineState.getLastKeyline()) {
return lerp;
}
return lerp + ((f - keylineRange.rightOrBottom.loc) * ((1.0f - keylineRange.rightOrBottom.mask) + (this.orientationHelper.getMaskMargins((RecyclerView.LayoutParams) view.getLayoutParams()) / this.currentKeylineState.getItemSize())));
}
private float getMaskedItemSizeForLocOffset(float f, KeylineRange keylineRange) {
return AnimationUtils.lerp(keylineRange.leftOrTop.maskedItemSize, keylineRange.rightOrBottom.maskedItemSize, keylineRange.leftOrTop.locOffset, keylineRange.rightOrBottom.locOffset, f);
}
/* JADX WARN: Multi-variable type inference failed */
private void updateChildMaskForLocation(View view, float f, KeylineRange keylineRange) {
if (view instanceof Maskable) {
float lerp = AnimationUtils.lerp(keylineRange.leftOrTop.mask, keylineRange.rightOrBottom.mask, keylineRange.leftOrTop.loc, keylineRange.rightOrBottom.loc, f);
float height = view.getHeight();
float width = view.getWidth();
RectF maskRect = this.orientationHelper.getMaskRect(height, width, AnimationUtils.lerp(0.0f, height / 2.0f, 0.0f, 1.0f, lerp), AnimationUtils.lerp(0.0f, width / 2.0f, 0.0f, 1.0f, lerp));
float calculateChildOffsetCenterForLocation = calculateChildOffsetCenterForLocation(view, f, keylineRange);
RectF rectF = new RectF(calculateChildOffsetCenterForLocation - (maskRect.width() / 2.0f), calculateChildOffsetCenterForLocation - (maskRect.height() / 2.0f), calculateChildOffsetCenterForLocation + (maskRect.width() / 2.0f), (maskRect.height() / 2.0f) + calculateChildOffsetCenterForLocation);
RectF rectF2 = new RectF(getParentLeft(), getParentTop(), getParentRight(), getParentBottom());
if (this.carouselStrategy.isContained()) {
this.orientationHelper.containMaskWithinBounds(maskRect, rectF, rectF2);
}
this.orientationHelper.moveMaskOnEdgeOutsideBounds(maskRect, rectF, rectF2);
((Maskable) view).setMaskRectF(maskRect);
}
}
@Override // androidx.recyclerview.widget.RecyclerView.LayoutManager
public void measureChildWithMargins(View view, int i, int i2) {
float f;
float f2;
if (!(view instanceof Maskable)) {
throw new IllegalStateException("All children of a RecyclerView using CarouselLayoutManager must use MaskableFrameLayout as their root ViewGroup.");
}
RecyclerView.LayoutParams layoutParams = (RecyclerView.LayoutParams) view.getLayoutParams();
Rect rect = new Rect();
calculateItemDecorationsForChild(view, rect);
int i3 = i + rect.left + rect.right;
int i4 = i2 + rect.top + rect.bottom;
if (this.keylineStateList != null && this.orientationHelper.orientation == 0) {
f = this.keylineStateList.getDefaultState().getItemSize();
} else {
f = layoutParams.width;
}
if (this.keylineStateList != null && this.orientationHelper.orientation == 1) {
f2 = this.keylineStateList.getDefaultState().getItemSize();
} else {
f2 = layoutParams.height;
}
view.measure(getChildMeasureSpec(getWidth(), getWidthMode(), getPaddingLeft() + getPaddingRight() + layoutParams.leftMargin + layoutParams.rightMargin + i3, (int) f, canScrollHorizontally()), getChildMeasureSpec(getHeight(), getHeightMode(), getPaddingTop() + getPaddingBottom() + layoutParams.topMargin + layoutParams.bottomMargin + i4, (int) f2, canScrollVertically()));
}
/* JADX INFO: Access modifiers changed from: private */
public int getParentLeft() {
return this.orientationHelper.getParentLeft();
}
private int getParentStart() {
return this.orientationHelper.getParentStart();
}
/* JADX INFO: Access modifiers changed from: private */
public int getParentRight() {
return this.orientationHelper.getParentRight();
}
private int getParentEnd() {
return this.orientationHelper.getParentEnd();
}
/* JADX INFO: Access modifiers changed from: private */
public int getParentTop() {
return this.orientationHelper.getParentTop();
}
/* JADX INFO: Access modifiers changed from: private */
public int getParentBottom() {
return this.orientationHelper.getParentBottom();
}
@Override // com.google.android.material.carousel.Carousel
public int getContainerWidth() {
return getWidth();
}
@Override // com.google.android.material.carousel.Carousel
public int getContainerHeight() {
return getHeight();
}
private int getContainerSize() {
if (isHorizontal()) {
return getContainerWidth();
}
return getContainerHeight();
}
/* JADX INFO: Access modifiers changed from: package-private */
public boolean isLayoutRtl() {
return isHorizontal() && getLayoutDirection() == 1;
}
private float addStart(float f, float f2) {
return isLayoutRtl() ? f + f2 : f - f2;
}
private float addEnd(float f, float f2) {
return isLayoutRtl() ? f - f2 : f + f2;
}
@Override // androidx.recyclerview.widget.RecyclerView.LayoutManager
public void onInitializeAccessibilityEvent(AccessibilityEvent accessibilityEvent) {
super.onInitializeAccessibilityEvent(accessibilityEvent);
if (getChildCount() > 0) {
accessibilityEvent.setFromIndex(getPosition(getChildAt(0)));
accessibilityEvent.setToIndex(getPosition(getChildAt(getChildCount() - 1)));
}
}
private int getScrollOffsetForPosition(int i, KeylineState keylineState) {
float itemSize;
if (isLayoutRtl()) {
itemSize = ((getContainerSize() - keylineState.getLastFocalKeyline().loc) - (i * keylineState.getItemSize())) - (keylineState.getItemSize() / 2.0f);
} else {
itemSize = ((i * keylineState.getItemSize()) - keylineState.getFirstFocalKeyline().loc) + (keylineState.getItemSize() / 2.0f);
}
return (int) itemSize;
}
private int getSmallestScrollOffsetToFocalKeyline(int i, KeylineState keylineState) {
int i2;
int i3 = Integer.MAX_VALUE;
for (KeylineState.Keyline keyline : keylineState.getFocalKeylines()) {
float itemSize = (i * keylineState.getItemSize()) + (keylineState.getItemSize() / 2.0f);
if (isLayoutRtl()) {
i2 = (int) ((getContainerSize() - keyline.loc) - itemSize);
} else {
i2 = (int) (itemSize - keyline.loc);
}
int i4 = i2 - this.scrollOffset;
if (Math.abs(i3) > Math.abs(i4)) {
i3 = i4;
}
}
return i3;
}
@Override // androidx.recyclerview.widget.RecyclerView.SmoothScroller.ScrollVectorProvider
public PointF computeScrollVectorForPosition(int i) {
if (this.keylineStateList == null) {
return null;
}
int offsetToScrollToPosition = getOffsetToScrollToPosition(i, getKeylineStateForPosition(i));
if (isHorizontal()) {
return new PointF(offsetToScrollToPosition, 0.0f);
}
return new PointF(0.0f, offsetToScrollToPosition);
}
int getOffsetToScrollToPosition(int i, KeylineState keylineState) {
return getScrollOffsetForPosition(i, keylineState) - this.scrollOffset;
}
/* JADX INFO: Access modifiers changed from: package-private */
public int getOffsetToScrollToPositionForSnap(int i, boolean z) {
int offsetToScrollToPosition = getOffsetToScrollToPosition(i, this.keylineStateList.getShiftedState(this.scrollOffset, this.minScroll, this.maxScroll, true));
int offsetToScrollToPosition2 = this.keylineStatePositionMap != null ? getOffsetToScrollToPosition(i, getKeylineStateForPosition(i)) : offsetToScrollToPosition;
return (!z || Math.abs(offsetToScrollToPosition2) >= Math.abs(offsetToScrollToPosition)) ? offsetToScrollToPosition : offsetToScrollToPosition2;
}
private KeylineState getKeylineStateForPosition(int i) {
KeylineState keylineState;
Map<Integer, KeylineState> map = this.keylineStatePositionMap;
return (map == null || (keylineState = map.get(Integer.valueOf(MathUtils.clamp(i, 0, Math.max(0, getItemCount() + (-1)))))) == null) ? this.keylineStateList.getDefaultState() : keylineState;
}
@Override // androidx.recyclerview.widget.RecyclerView.LayoutManager
public void scrollToPosition(int i) {
this.currentEstimatedPosition = i;
if (this.keylineStateList == null) {
return;
}
this.scrollOffset = getScrollOffsetForPosition(i, getKeylineStateForPosition(i));
this.currentFillStartPosition = MathUtils.clamp(i, 0, Math.max(0, getItemCount() - 1));
updateCurrentKeylineStateForScrollOffset(this.keylineStateList);
requestLayout();
}
@Override // androidx.recyclerview.widget.RecyclerView.LayoutManager
public void smoothScrollToPosition(RecyclerView recyclerView, RecyclerView.State state, int i) {
LinearSmoothScroller linearSmoothScroller = new LinearSmoothScroller(recyclerView.getContext()) { // from class: com.google.android.material.carousel.CarouselLayoutManager.1
@Override // androidx.recyclerview.widget.RecyclerView.SmoothScroller
public PointF computeScrollVectorForPosition(int i2) {
return CarouselLayoutManager.this.computeScrollVectorForPosition(i2);
}
@Override // androidx.recyclerview.widget.LinearSmoothScroller
public int calculateDxToMakeVisible(View view, int i2) {
if (CarouselLayoutManager.this.keylineStateList == null || !CarouselLayoutManager.this.isHorizontal()) {
return 0;
}
CarouselLayoutManager carouselLayoutManager = CarouselLayoutManager.this;
return carouselLayoutManager.calculateScrollDeltaToMakePositionVisible(carouselLayoutManager.getPosition(view));
}
@Override // androidx.recyclerview.widget.LinearSmoothScroller
public int calculateDyToMakeVisible(View view, int i2) {
if (CarouselLayoutManager.this.keylineStateList == null || CarouselLayoutManager.this.isHorizontal()) {
return 0;
}
CarouselLayoutManager carouselLayoutManager = CarouselLayoutManager.this;
return carouselLayoutManager.calculateScrollDeltaToMakePositionVisible(carouselLayoutManager.getPosition(view));
}
};
linearSmoothScroller.setTargetPosition(i);
startSmoothScroll(linearSmoothScroller);
}
int calculateScrollDeltaToMakePositionVisible(int i) {
return (int) (this.scrollOffset - getScrollOffsetForPosition(i, getKeylineStateForPosition(i)));
}
@Override // androidx.recyclerview.widget.RecyclerView.LayoutManager
public boolean canScrollHorizontally() {
return isHorizontal();
}
@Override // androidx.recyclerview.widget.RecyclerView.LayoutManager
public int scrollHorizontallyBy(int i, RecyclerView.Recycler recycler, RecyclerView.State state) {
if (canScrollHorizontally()) {
return scrollBy(i, recycler, state);
}
return 0;
}
@Override // androidx.recyclerview.widget.RecyclerView.LayoutManager
public boolean canScrollVertically() {
return !isHorizontal();
}
@Override // androidx.recyclerview.widget.RecyclerView.LayoutManager
public int scrollVerticallyBy(int i, RecyclerView.Recycler recycler, RecyclerView.State state) {
if (canScrollVertically()) {
return scrollBy(i, recycler, state);
}
return 0;
}
/* loaded from: classes2.dex */
private static class LayoutDirection {
private static final int INVALID_LAYOUT = Integer.MIN_VALUE;
private static final int LAYOUT_END = 1;
private static final int LAYOUT_START = -1;
private LayoutDirection() {
}
}
private int convertFocusDirectionToLayoutDirection(int i) {
int orientation = getOrientation();
if (i == 1) {
return -1;
}
if (i == 2) {
return 1;
}
if (i == 17) {
if (orientation == 0) {
return isLayoutRtl() ? 1 : -1;
}
return Integer.MIN_VALUE;
}
if (i == 33) {
return orientation == 1 ? -1 : Integer.MIN_VALUE;
}
if (i == 66) {
if (orientation == 0) {
return isLayoutRtl() ? -1 : 1;
}
return Integer.MIN_VALUE;
}
if (i == 130) {
return orientation == 1 ? 1 : Integer.MIN_VALUE;
}
Log.d(TAG, "Unknown focus request:" + i);
return Integer.MIN_VALUE;
}
@Override // androidx.recyclerview.widget.RecyclerView.LayoutManager
public View onFocusSearchFailed(View view, int i, RecyclerView.Recycler recycler, RecyclerView.State state) {
int convertFocusDirectionToLayoutDirection;
if (getChildCount() == 0 || (convertFocusDirectionToLayoutDirection = convertFocusDirectionToLayoutDirection(i)) == Integer.MIN_VALUE) {
return null;
}
if (convertFocusDirectionToLayoutDirection == -1) {
if (getPosition(view) == 0) {
return null;
}
addViewAtPosition(recycler, getPosition(getChildAt(0)) - 1, 0);
return getChildClosestToStart();
}
if (getPosition(view) == getItemCount() - 1) {
return null;
}
addViewAtPosition(recycler, getPosition(getChildAt(getChildCount() - 1)) + 1, -1);
return getChildClosestToEnd();
}
private View getChildClosestToStart() {
return getChildAt(isLayoutRtl() ? getChildCount() - 1 : 0);
}
private View getChildClosestToEnd() {
return getChildAt(isLayoutRtl() ? 0 : getChildCount() - 1);
}
@Override // androidx.recyclerview.widget.RecyclerView.LayoutManager
public boolean requestChildRectangleOnScreen(RecyclerView recyclerView, View view, Rect rect, boolean z, boolean z2) {
int smallestScrollOffsetToFocalKeyline;
if (this.keylineStateList == null || (smallestScrollOffsetToFocalKeyline = getSmallestScrollOffsetToFocalKeyline(getPosition(view), getKeylineStateForPosition(getPosition(view)))) == 0) {
return false;
}
scrollBy(recyclerView, getSmallestScrollOffsetToFocalKeyline(getPosition(view), this.keylineStateList.getShiftedState(this.scrollOffset + calculateShouldScrollBy(smallestScrollOffsetToFocalKeyline, this.scrollOffset, this.minScroll, this.maxScroll), this.minScroll, this.maxScroll)));
return true;
}
private void scrollBy(RecyclerView recyclerView, int i) {
if (isHorizontal()) {
recyclerView.scrollBy(i, 0);
} else {
recyclerView.scrollBy(0, i);
}
}
private int scrollBy(int i, RecyclerView.Recycler recycler, RecyclerView.State state) {
float f;
if (getChildCount() == 0 || i == 0) {
return 0;
}
if (this.keylineStateList == null) {
recalculateKeylineStateList(recycler);
}
int calculateShouldScrollBy = calculateShouldScrollBy(i, this.scrollOffset, this.minScroll, this.maxScroll);
this.scrollOffset += calculateShouldScrollBy;
updateCurrentKeylineStateForScrollOffset(this.keylineStateList);
float itemSize = this.currentKeylineState.getItemSize() / 2.0f;
float calculateChildStartForFill = calculateChildStartForFill(getPosition(getChildAt(0)));
Rect rect = new Rect();
if (isLayoutRtl()) {
f = this.currentKeylineState.getLastFocalKeyline().locOffset;
} else {
f = this.currentKeylineState.getFirstFocalKeyline().locOffset;
}
float f2 = Float.MAX_VALUE;
for (int i2 = 0; i2 < getChildCount(); i2++) {
View childAt = getChildAt(i2);
float abs = Math.abs(f - offsetChild(childAt, calculateChildStartForFill, itemSize, rect));
if (childAt != null && abs < f2) {
this.currentEstimatedPosition = getPosition(childAt);
f2 = abs;
}
calculateChildStartForFill = addEnd(calculateChildStartForFill, this.currentKeylineState.getItemSize());
}
fill(recycler, state);
return calculateShouldScrollBy;
}
private float offsetChild(View view, float f, float f2, Rect rect) {
float addEnd = addEnd(f, f2);
KeylineRange surroundingKeylineRange = getSurroundingKeylineRange(this.currentKeylineState.getKeylines(), addEnd, false);
float calculateChildOffsetCenterForLocation = calculateChildOffsetCenterForLocation(view, addEnd, surroundingKeylineRange);
super.getDecoratedBoundsWithMargins(view, rect);
updateChildMaskForLocation(view, addEnd, surroundingKeylineRange);
this.orientationHelper.offsetChild(view, rect, f2, calculateChildOffsetCenterForLocation);
return calculateChildOffsetCenterForLocation;
}
@Override // androidx.recyclerview.widget.RecyclerView.LayoutManager
public int computeHorizontalScrollExtent(RecyclerView.State state) {
if (getChildCount() == 0 || this.keylineStateList == null || getItemCount() <= 1) {
return 0;
}
return (int) (getWidth() * (this.keylineStateList.getDefaultState().getItemSize() / computeHorizontalScrollRange(state)));
}
@Override // androidx.recyclerview.widget.RecyclerView.LayoutManager
public int computeVerticalScrollExtent(RecyclerView.State state) {
if (getChildCount() == 0 || this.keylineStateList == null || getItemCount() <= 1) {
return 0;
}
return (int) (getHeight() * (this.keylineStateList.getDefaultState().getItemSize() / computeVerticalScrollRange(state)));
}
public int getOrientation() {
return this.orientationHelper.orientation;
}
public void setOrientation(int i) {
if (i != 0 && i != 1) {
throw new IllegalArgumentException("invalid orientation:" + i);
}
assertNotInLayoutOrScroll(null);
CarouselOrientationHelper carouselOrientationHelper = this.orientationHelper;
if (carouselOrientationHelper == null || i != carouselOrientationHelper.orientation) {
this.orientationHelper = CarouselOrientationHelper.createOrientationHelper(this, i);
refreshKeylineState();
}
}
@Override // androidx.recyclerview.widget.RecyclerView.LayoutManager
public void onItemsAdded(RecyclerView recyclerView, int i, int i2) {
super.onItemsAdded(recyclerView, i, i2);
updateItemCount();
}
@Override // androidx.recyclerview.widget.RecyclerView.LayoutManager
public void onItemsRemoved(RecyclerView recyclerView, int i, int i2) {
super.onItemsRemoved(recyclerView, i, i2);
updateItemCount();
}
private void updateItemCount() {
int itemCount = getItemCount();
int i = this.lastItemCount;
if (itemCount == i || this.keylineStateList == null) {
return;
}
if (this.carouselStrategy.shouldRefreshKeylineState(this, i)) {
refreshKeylineState();
}
this.lastItemCount = itemCount;
}
public void setDebuggingEnabled(RecyclerView recyclerView, boolean z) {
this.isDebuggingEnabled = z;
recyclerView.removeItemDecoration(this.debugItemDecoration);
if (z) {
recyclerView.addItemDecoration(this.debugItemDecoration);
}
recyclerView.invalidateItemDecorations();
}
/* JADX INFO: Access modifiers changed from: private */
/* loaded from: classes2.dex */
public static class KeylineRange {
final KeylineState.Keyline leftOrTop;
final KeylineState.Keyline rightOrBottom;
KeylineRange(KeylineState.Keyline keyline, KeylineState.Keyline keyline2) {
Preconditions.checkArgument(keyline.loc <= keyline2.loc);
this.leftOrTop = keyline;
this.rightOrBottom = keyline2;
}
}
/* JADX INFO: Access modifiers changed from: private */
/* loaded from: classes2.dex */
public static class DebugItemDecoration extends RecyclerView.ItemDecoration {
private List<KeylineState.Keyline> keylines;
private final Paint linePaint;
DebugItemDecoration() {
Paint paint = new Paint();
this.linePaint = paint;
this.keylines = Collections.unmodifiableList(new ArrayList());
paint.setStrokeWidth(5.0f);
paint.setColor(-65281);
}
void setKeylines(List<KeylineState.Keyline> list) {
this.keylines = Collections.unmodifiableList(list);
}
@Override // androidx.recyclerview.widget.RecyclerView.ItemDecoration
public void onDrawOver(Canvas canvas, RecyclerView recyclerView, RecyclerView.State state) {
super.onDrawOver(canvas, recyclerView, state);
this.linePaint.setStrokeWidth(recyclerView.getResources().getDimension(R.dimen.m3_carousel_debug_keyline_width));
for (KeylineState.Keyline keyline : this.keylines) {
this.linePaint.setColor(ColorUtils.blendARGB(-65281, -16776961, keyline.mask));
if (((CarouselLayoutManager) recyclerView.getLayoutManager()).isHorizontal()) {
canvas.drawLine(keyline.locOffset, ((CarouselLayoutManager) recyclerView.getLayoutManager()).getParentTop(), keyline.locOffset, ((CarouselLayoutManager) recyclerView.getLayoutManager()).getParentBottom(), this.linePaint);
} else {
canvas.drawLine(((CarouselLayoutManager) recyclerView.getLayoutManager()).getParentLeft(), keyline.locOffset, ((CarouselLayoutManager) recyclerView.getLayoutManager()).getParentRight(), keyline.locOffset, this.linePaint);
}
}
}
}
}