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package androidx.recyclerview.widget;
import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.animation.ValueAnimator;
import android.graphics.Canvas;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.StateListDrawable;
import android.view.MotionEvent;
import androidx.core.view.ViewCompat;
import androidx.recyclerview.widget.RecyclerView;
class FastScroller extends RecyclerView.ItemDecoration implements RecyclerView.OnItemTouchListener {
private static final int ANIMATION_STATE_FADING_IN = 1;
private static final int ANIMATION_STATE_FADING_OUT = 3;
private static final int ANIMATION_STATE_IN = 2;
private static final int ANIMATION_STATE_OUT = 0;
private static final int DRAG_NONE = 0;
private static final int DRAG_X = 1;
private static final int DRAG_Y = 2;
private static final int[] EMPTY_STATE_SET = new int[0];
private static final int HIDE_DELAY_AFTER_DRAGGING_MS = 1200;
private static final int HIDE_DELAY_AFTER_VISIBLE_MS = 1500;
private static final int HIDE_DURATION_MS = 500;
private static final int[] PRESSED_STATE_SET = {16842919};
private static final int SCROLLBAR_FULL_OPAQUE = 255;
private static final int SHOW_DURATION_MS = 500;
private static final int STATE_DRAGGING = 2;
private static final int STATE_HIDDEN = 0;
private static final int STATE_VISIBLE = 1;
int mAnimationState;
private int mDragState = 0;
private final Runnable mHideRunnable;
float mHorizontalDragX;
private final int[] mHorizontalRange = new int[2];
int mHorizontalThumbCenterX;
private final StateListDrawable mHorizontalThumbDrawable;
private final int mHorizontalThumbHeight;
int mHorizontalThumbWidth;
private final Drawable mHorizontalTrackDrawable;
private final int mHorizontalTrackHeight;
private final int mMargin;
private boolean mNeedHorizontalScrollbar = false;
private boolean mNeedVerticalScrollbar = false;
private final RecyclerView.OnScrollListener mOnScrollListener;
private RecyclerView mRecyclerView;
private int mRecyclerViewHeight = 0;
private int mRecyclerViewWidth = 0;
private final int mScrollbarMinimumRange;
final ValueAnimator mShowHideAnimator;
private int mState = 0;
float mVerticalDragY;
private final int[] mVerticalRange = new int[2];
int mVerticalThumbCenterY;
final StateListDrawable mVerticalThumbDrawable;
int mVerticalThumbHeight;
private final int mVerticalThumbWidth;
final Drawable mVerticalTrackDrawable;
private final int mVerticalTrackWidth;
public void onRequestDisallowInterceptTouchEvent(boolean z) {
}
FastScroller(RecyclerView recyclerView, StateListDrawable stateListDrawable, Drawable drawable, StateListDrawable stateListDrawable2, Drawable drawable2, int i, int i2, int i3) {
ValueAnimator ofFloat = ValueAnimator.ofFloat(new float[]{0.0f, 1.0f});
this.mShowHideAnimator = ofFloat;
this.mAnimationState = 0;
this.mHideRunnable = new Runnable() {
public void run() {
FastScroller.this.hide(500);
}
};
this.mOnScrollListener = new RecyclerView.OnScrollListener() {
public void onScrolled(RecyclerView recyclerView, int i, int i2) {
FastScroller.this.updateScrollPosition(recyclerView.computeHorizontalScrollOffset(), recyclerView.computeVerticalScrollOffset());
}
};
this.mVerticalThumbDrawable = stateListDrawable;
this.mVerticalTrackDrawable = drawable;
this.mHorizontalThumbDrawable = stateListDrawable2;
this.mHorizontalTrackDrawable = drawable2;
this.mVerticalThumbWidth = Math.max(i, stateListDrawable.getIntrinsicWidth());
this.mVerticalTrackWidth = Math.max(i, drawable.getIntrinsicWidth());
this.mHorizontalThumbHeight = Math.max(i, stateListDrawable2.getIntrinsicWidth());
this.mHorizontalTrackHeight = Math.max(i, drawable2.getIntrinsicWidth());
this.mScrollbarMinimumRange = i2;
this.mMargin = i3;
stateListDrawable.setAlpha(255);
drawable.setAlpha(255);
ofFloat.addListener(new AnimatorListener());
ofFloat.addUpdateListener(new AnimatorUpdater());
attachToRecyclerView(recyclerView);
}
public void attachToRecyclerView(RecyclerView recyclerView) {
RecyclerView recyclerView2 = this.mRecyclerView;
if (recyclerView2 != recyclerView) {
if (recyclerView2 != null) {
destroyCallbacks();
}
this.mRecyclerView = recyclerView;
if (recyclerView != null) {
setupCallbacks();
}
}
}
private void setupCallbacks() {
this.mRecyclerView.addItemDecoration(this);
this.mRecyclerView.addOnItemTouchListener(this);
this.mRecyclerView.addOnScrollListener(this.mOnScrollListener);
}
private void destroyCallbacks() {
this.mRecyclerView.removeItemDecoration(this);
this.mRecyclerView.removeOnItemTouchListener(this);
this.mRecyclerView.removeOnScrollListener(this.mOnScrollListener);
cancelHide();
}
/* access modifiers changed from: package-private */
public void requestRedraw() {
this.mRecyclerView.invalidate();
}
/* access modifiers changed from: package-private */
public void setState(int i) {
if (i == 2 && this.mState != 2) {
this.mVerticalThumbDrawable.setState(PRESSED_STATE_SET);
cancelHide();
}
if (i == 0) {
requestRedraw();
} else {
show();
}
if (this.mState == 2 && i != 2) {
this.mVerticalThumbDrawable.setState(EMPTY_STATE_SET);
resetHideDelay(HIDE_DELAY_AFTER_DRAGGING_MS);
} else if (i == 1) {
resetHideDelay(1500);
}
this.mState = i;
}
private boolean isLayoutRTL() {
return ViewCompat.getLayoutDirection(this.mRecyclerView) == 1;
}
public boolean isDragging() {
return this.mState == 2;
}
/* access modifiers changed from: package-private */
public boolean isVisible() {
return this.mState == 1;
}
public void show() {
int i = this.mAnimationState;
if (i != 0) {
if (i == 3) {
this.mShowHideAnimator.cancel();
} else {
return;
}
}
this.mAnimationState = 1;
ValueAnimator valueAnimator = this.mShowHideAnimator;
valueAnimator.setFloatValues(new float[]{((Float) valueAnimator.getAnimatedValue()).floatValue(), 1.0f});
this.mShowHideAnimator.setDuration(500);
this.mShowHideAnimator.setStartDelay(0);
this.mShowHideAnimator.start();
}
/* access modifiers changed from: package-private */
public void hide(int i) {
int i2 = this.mAnimationState;
if (i2 == 1) {
this.mShowHideAnimator.cancel();
} else if (i2 != 2) {
return;
}
this.mAnimationState = 3;
ValueAnimator valueAnimator = this.mShowHideAnimator;
valueAnimator.setFloatValues(new float[]{((Float) valueAnimator.getAnimatedValue()).floatValue(), 0.0f});
this.mShowHideAnimator.setDuration((long) i);
this.mShowHideAnimator.start();
}
private void cancelHide() {
this.mRecyclerView.removeCallbacks(this.mHideRunnable);
}
private void resetHideDelay(int i) {
cancelHide();
this.mRecyclerView.postDelayed(this.mHideRunnable, (long) i);
}
public void onDrawOver(Canvas canvas, RecyclerView recyclerView, RecyclerView.State state) {
if (this.mRecyclerViewWidth != this.mRecyclerView.getWidth() || this.mRecyclerViewHeight != this.mRecyclerView.getHeight()) {
this.mRecyclerViewWidth = this.mRecyclerView.getWidth();
this.mRecyclerViewHeight = this.mRecyclerView.getHeight();
setState(0);
} else if (this.mAnimationState != 0) {
if (this.mNeedVerticalScrollbar) {
drawVerticalScrollbar(canvas);
}
if (this.mNeedHorizontalScrollbar) {
drawHorizontalScrollbar(canvas);
}
}
}
private void drawVerticalScrollbar(Canvas canvas) {
int i = this.mRecyclerViewWidth;
int i2 = this.mVerticalThumbWidth;
int i3 = i - i2;
int i4 = this.mVerticalThumbCenterY;
int i5 = this.mVerticalThumbHeight;
int i6 = i4 - (i5 / 2);
this.mVerticalThumbDrawable.setBounds(0, 0, i2, i5);
this.mVerticalTrackDrawable.setBounds(0, 0, this.mVerticalTrackWidth, this.mRecyclerViewHeight);
if (isLayoutRTL()) {
this.mVerticalTrackDrawable.draw(canvas);
canvas.translate((float) this.mVerticalThumbWidth, (float) i6);
canvas.scale(-1.0f, 1.0f);
this.mVerticalThumbDrawable.draw(canvas);
canvas.scale(-1.0f, 1.0f);
canvas.translate((float) (-this.mVerticalThumbWidth), (float) (-i6));
return;
}
canvas.translate((float) i3, 0.0f);
this.mVerticalTrackDrawable.draw(canvas);
canvas.translate(0.0f, (float) i6);
this.mVerticalThumbDrawable.draw(canvas);
canvas.translate((float) (-i3), (float) (-i6));
}
private void drawHorizontalScrollbar(Canvas canvas) {
int i = this.mRecyclerViewHeight;
int i2 = this.mHorizontalThumbHeight;
int i3 = i - i2;
int i4 = this.mHorizontalThumbCenterX;
int i5 = this.mHorizontalThumbWidth;
int i6 = i4 - (i5 / 2);
this.mHorizontalThumbDrawable.setBounds(0, 0, i5, i2);
this.mHorizontalTrackDrawable.setBounds(0, 0, this.mRecyclerViewWidth, this.mHorizontalTrackHeight);
canvas.translate(0.0f, (float) i3);
this.mHorizontalTrackDrawable.draw(canvas);
canvas.translate((float) i6, 0.0f);
this.mHorizontalThumbDrawable.draw(canvas);
canvas.translate((float) (-i6), (float) (-i3));
}
/* access modifiers changed from: package-private */
public void updateScrollPosition(int i, int i2) {
int computeVerticalScrollRange = this.mRecyclerView.computeVerticalScrollRange();
int i3 = this.mRecyclerViewHeight;
this.mNeedVerticalScrollbar = computeVerticalScrollRange - i3 > 0 && i3 >= this.mScrollbarMinimumRange;
int computeHorizontalScrollRange = this.mRecyclerView.computeHorizontalScrollRange();
int i4 = this.mRecyclerViewWidth;
boolean z = computeHorizontalScrollRange - i4 > 0 && i4 >= this.mScrollbarMinimumRange;
this.mNeedHorizontalScrollbar = z;
boolean z2 = this.mNeedVerticalScrollbar;
if (z2 || z) {
if (z2) {
float f = (float) i3;
this.mVerticalThumbCenterY = (int) ((f * (((float) i2) + (f / 2.0f))) / ((float) computeVerticalScrollRange));
this.mVerticalThumbHeight = Math.min(i3, (i3 * i3) / computeVerticalScrollRange);
}
if (this.mNeedHorizontalScrollbar) {
float f2 = (float) i4;
this.mHorizontalThumbCenterX = (int) ((f2 * (((float) i) + (f2 / 2.0f))) / ((float) computeHorizontalScrollRange));
this.mHorizontalThumbWidth = Math.min(i4, (i4 * i4) / computeHorizontalScrollRange);
}
int i5 = this.mState;
if (i5 == 0 || i5 == 1) {
setState(1);
}
} else if (this.mState != 0) {
setState(0);
}
}
public boolean onInterceptTouchEvent(RecyclerView recyclerView, MotionEvent motionEvent) {
int i = this.mState;
if (i == 1) {
boolean isPointInsideVerticalThumb = isPointInsideVerticalThumb(motionEvent.getX(), motionEvent.getY());
boolean isPointInsideHorizontalThumb = isPointInsideHorizontalThumb(motionEvent.getX(), motionEvent.getY());
if (motionEvent.getAction() != 0) {
return false;
}
if (!isPointInsideVerticalThumb && !isPointInsideHorizontalThumb) {
return false;
}
if (isPointInsideHorizontalThumb) {
this.mDragState = 1;
this.mHorizontalDragX = (float) ((int) motionEvent.getX());
} else if (isPointInsideVerticalThumb) {
this.mDragState = 2;
this.mVerticalDragY = (float) ((int) motionEvent.getY());
}
setState(2);
} else if (i == 2) {
return true;
} else {
return false;
}
return true;
}
public void onTouchEvent(RecyclerView recyclerView, MotionEvent motionEvent) {
if (this.mState != 0) {
if (motionEvent.getAction() == 0) {
boolean isPointInsideVerticalThumb = isPointInsideVerticalThumb(motionEvent.getX(), motionEvent.getY());
boolean isPointInsideHorizontalThumb = isPointInsideHorizontalThumb(motionEvent.getX(), motionEvent.getY());
if (isPointInsideVerticalThumb || isPointInsideHorizontalThumb) {
if (isPointInsideHorizontalThumb) {
this.mDragState = 1;
this.mHorizontalDragX = (float) ((int) motionEvent.getX());
} else if (isPointInsideVerticalThumb) {
this.mDragState = 2;
this.mVerticalDragY = (float) ((int) motionEvent.getY());
}
setState(2);
}
} else if (motionEvent.getAction() == 1 && this.mState == 2) {
this.mVerticalDragY = 0.0f;
this.mHorizontalDragX = 0.0f;
setState(1);
this.mDragState = 0;
} else if (motionEvent.getAction() == 2 && this.mState == 2) {
show();
if (this.mDragState == 1) {
horizontalScrollTo(motionEvent.getX());
}
if (this.mDragState == 2) {
verticalScrollTo(motionEvent.getY());
}
}
}
}
private void verticalScrollTo(float f) {
int[] verticalRange = getVerticalRange();
float max = Math.max((float) verticalRange[0], Math.min((float) verticalRange[1], f));
if (Math.abs(((float) this.mVerticalThumbCenterY) - max) >= 2.0f) {
int scrollTo = scrollTo(this.mVerticalDragY, max, verticalRange, this.mRecyclerView.computeVerticalScrollRange(), this.mRecyclerView.computeVerticalScrollOffset(), this.mRecyclerViewHeight);
if (scrollTo != 0) {
this.mRecyclerView.scrollBy(0, scrollTo);
}
this.mVerticalDragY = max;
}
}
private void horizontalScrollTo(float f) {
int[] horizontalRange = getHorizontalRange();
float max = Math.max((float) horizontalRange[0], Math.min((float) horizontalRange[1], f));
if (Math.abs(((float) this.mHorizontalThumbCenterX) - max) >= 2.0f) {
int scrollTo = scrollTo(this.mHorizontalDragX, max, horizontalRange, this.mRecyclerView.computeHorizontalScrollRange(), this.mRecyclerView.computeHorizontalScrollOffset(), this.mRecyclerViewWidth);
if (scrollTo != 0) {
this.mRecyclerView.scrollBy(scrollTo, 0);
}
this.mHorizontalDragX = max;
}
}
private int scrollTo(float f, float f2, int[] iArr, int i, int i2, int i3) {
int i4 = iArr[1] - iArr[0];
if (i4 == 0) {
return 0;
}
int i5 = i - i3;
int i6 = (int) (((f2 - f) / ((float) i4)) * ((float) i5));
int i7 = i2 + i6;
if (i7 >= i5 || i7 < 0) {
return 0;
}
return i6;
}
/* access modifiers changed from: package-private */
public boolean isPointInsideVerticalThumb(float f, float f2) {
if (!isLayoutRTL() ? f >= ((float) (this.mRecyclerViewWidth - this.mVerticalThumbWidth)) : f <= ((float) this.mVerticalThumbWidth)) {
int i = this.mVerticalThumbCenterY;
int i2 = this.mVerticalThumbHeight;
return f2 >= ((float) (i - (i2 / 2))) && f2 <= ((float) (i + (i2 / 2)));
}
}
/* access modifiers changed from: package-private */
public boolean isPointInsideHorizontalThumb(float f, float f2) {
if (f2 >= ((float) (this.mRecyclerViewHeight - this.mHorizontalThumbHeight))) {
int i = this.mHorizontalThumbCenterX;
int i2 = this.mHorizontalThumbWidth;
return f >= ((float) (i - (i2 / 2))) && f <= ((float) (i + (i2 / 2)));
}
}
/* access modifiers changed from: package-private */
public Drawable getHorizontalTrackDrawable() {
return this.mHorizontalTrackDrawable;
}
/* access modifiers changed from: package-private */
public Drawable getHorizontalThumbDrawable() {
return this.mHorizontalThumbDrawable;
}
/* access modifiers changed from: package-private */
public Drawable getVerticalTrackDrawable() {
return this.mVerticalTrackDrawable;
}
/* access modifiers changed from: package-private */
public Drawable getVerticalThumbDrawable() {
return this.mVerticalThumbDrawable;
}
private int[] getVerticalRange() {
int[] iArr = this.mVerticalRange;
int i = this.mMargin;
iArr[0] = i;
iArr[1] = this.mRecyclerViewHeight - i;
return iArr;
}
private int[] getHorizontalRange() {
int[] iArr = this.mHorizontalRange;
int i = this.mMargin;
iArr[0] = i;
iArr[1] = this.mRecyclerViewWidth - i;
return iArr;
}
private class AnimatorListener extends AnimatorListenerAdapter {
private boolean mCanceled = false;
AnimatorListener() {
}
public void onAnimationEnd(Animator animator) {
if (this.mCanceled) {
this.mCanceled = false;
} else if (((Float) FastScroller.this.mShowHideAnimator.getAnimatedValue()).floatValue() == 0.0f) {
FastScroller.this.mAnimationState = 0;
FastScroller.this.setState(0);
} else {
FastScroller.this.mAnimationState = 2;
FastScroller.this.requestRedraw();
}
}
public void onAnimationCancel(Animator animator) {
this.mCanceled = true;
}
}
private class AnimatorUpdater implements ValueAnimator.AnimatorUpdateListener {
AnimatorUpdater() {
}
public void onAnimationUpdate(ValueAnimator valueAnimator) {
int floatValue = (int) (((Float) valueAnimator.getAnimatedValue()).floatValue() * 255.0f);
FastScroller.this.mVerticalThumbDrawable.setAlpha(floatValue);
FastScroller.this.mVerticalTrackDrawable.setAlpha(floatValue);
FastScroller.this.requestRedraw();
}
}
}
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