ADD week 5
This commit is contained in:
@@ -0,0 +1,485 @@
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package androidx.recyclerview.widget;
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import android.R;
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import android.animation.Animator;
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import android.animation.AnimatorListenerAdapter;
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import android.animation.ValueAnimator;
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import android.graphics.Canvas;
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import android.graphics.drawable.Drawable;
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import android.graphics.drawable.StateListDrawable;
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import android.view.MotionEvent;
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import androidx.core.view.ViewCompat;
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import androidx.recyclerview.widget.RecyclerView;
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/* loaded from: classes.dex */
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class FastScroller extends RecyclerView.ItemDecoration implements RecyclerView.OnItemTouchListener {
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private static final int ANIMATION_STATE_FADING_IN = 1;
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private static final int ANIMATION_STATE_FADING_OUT = 3;
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private static final int ANIMATION_STATE_IN = 2;
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private static final int ANIMATION_STATE_OUT = 0;
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private static final int DRAG_NONE = 0;
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private static final int DRAG_X = 1;
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private static final int DRAG_Y = 2;
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private static final int HIDE_DELAY_AFTER_DRAGGING_MS = 1200;
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private static final int HIDE_DELAY_AFTER_VISIBLE_MS = 1500;
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private static final int HIDE_DURATION_MS = 500;
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private static final int SCROLLBAR_FULL_OPAQUE = 255;
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private static final int SHOW_DURATION_MS = 500;
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private static final int STATE_DRAGGING = 2;
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private static final int STATE_HIDDEN = 0;
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private static final int STATE_VISIBLE = 1;
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int mAnimationState;
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private final Runnable mHideRunnable;
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float mHorizontalDragX;
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int mHorizontalThumbCenterX;
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private final StateListDrawable mHorizontalThumbDrawable;
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private final int mHorizontalThumbHeight;
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int mHorizontalThumbWidth;
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private final Drawable mHorizontalTrackDrawable;
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private final int mHorizontalTrackHeight;
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private final int mMargin;
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private final RecyclerView.OnScrollListener mOnScrollListener;
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private RecyclerView mRecyclerView;
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private final int mScrollbarMinimumRange;
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final ValueAnimator mShowHideAnimator;
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float mVerticalDragY;
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int mVerticalThumbCenterY;
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final StateListDrawable mVerticalThumbDrawable;
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int mVerticalThumbHeight;
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private final int mVerticalThumbWidth;
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final Drawable mVerticalTrackDrawable;
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private final int mVerticalTrackWidth;
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private static final int[] PRESSED_STATE_SET = {R.attr.state_pressed};
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private static final int[] EMPTY_STATE_SET = new int[0];
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private int mRecyclerViewWidth = 0;
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private int mRecyclerViewHeight = 0;
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private boolean mNeedVerticalScrollbar = false;
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private boolean mNeedHorizontalScrollbar = false;
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private int mState = 0;
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private int mDragState = 0;
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private final int[] mVerticalRange = new int[2];
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private final int[] mHorizontalRange = new int[2];
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Drawable getHorizontalThumbDrawable() {
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return this.mHorizontalThumbDrawable;
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}
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Drawable getHorizontalTrackDrawable() {
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return this.mHorizontalTrackDrawable;
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}
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Drawable getVerticalThumbDrawable() {
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return this.mVerticalThumbDrawable;
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}
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Drawable getVerticalTrackDrawable() {
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return this.mVerticalTrackDrawable;
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}
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public boolean isDragging() {
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return this.mState == 2;
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}
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boolean isVisible() {
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return this.mState == 1;
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}
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@Override // androidx.recyclerview.widget.RecyclerView.OnItemTouchListener
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public void onRequestDisallowInterceptTouchEvent(boolean z) {
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}
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FastScroller(RecyclerView recyclerView, StateListDrawable stateListDrawable, Drawable drawable, StateListDrawable stateListDrawable2, Drawable drawable2, int i, int i2, int i3) {
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ValueAnimator ofFloat = ValueAnimator.ofFloat(0.0f, 1.0f);
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this.mShowHideAnimator = ofFloat;
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this.mAnimationState = 0;
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this.mHideRunnable = new Runnable() { // from class: androidx.recyclerview.widget.FastScroller.1
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@Override // java.lang.Runnable
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public void run() {
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FastScroller.this.hide(500);
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}
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};
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this.mOnScrollListener = new RecyclerView.OnScrollListener() { // from class: androidx.recyclerview.widget.FastScroller.2
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@Override // androidx.recyclerview.widget.RecyclerView.OnScrollListener
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public void onScrolled(RecyclerView recyclerView2, int i4, int i5) {
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FastScroller.this.updateScrollPosition(recyclerView2.computeHorizontalScrollOffset(), recyclerView2.computeVerticalScrollOffset());
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}
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};
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this.mVerticalThumbDrawable = stateListDrawable;
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this.mVerticalTrackDrawable = drawable;
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this.mHorizontalThumbDrawable = stateListDrawable2;
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this.mHorizontalTrackDrawable = drawable2;
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this.mVerticalThumbWidth = Math.max(i, stateListDrawable.getIntrinsicWidth());
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this.mVerticalTrackWidth = Math.max(i, drawable.getIntrinsicWidth());
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this.mHorizontalThumbHeight = Math.max(i, stateListDrawable2.getIntrinsicWidth());
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this.mHorizontalTrackHeight = Math.max(i, drawable2.getIntrinsicWidth());
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this.mScrollbarMinimumRange = i2;
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this.mMargin = i3;
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stateListDrawable.setAlpha(255);
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drawable.setAlpha(255);
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ofFloat.addListener(new AnimatorListener());
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ofFloat.addUpdateListener(new AnimatorUpdater());
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attachToRecyclerView(recyclerView);
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}
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public void attachToRecyclerView(RecyclerView recyclerView) {
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RecyclerView recyclerView2 = this.mRecyclerView;
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if (recyclerView2 == recyclerView) {
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return;
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}
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if (recyclerView2 != null) {
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destroyCallbacks();
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}
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this.mRecyclerView = recyclerView;
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if (recyclerView != null) {
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setupCallbacks();
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}
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}
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private void setupCallbacks() {
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this.mRecyclerView.addItemDecoration(this);
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this.mRecyclerView.addOnItemTouchListener(this);
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this.mRecyclerView.addOnScrollListener(this.mOnScrollListener);
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}
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private void destroyCallbacks() {
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this.mRecyclerView.removeItemDecoration(this);
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this.mRecyclerView.removeOnItemTouchListener(this);
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this.mRecyclerView.removeOnScrollListener(this.mOnScrollListener);
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cancelHide();
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}
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void requestRedraw() {
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this.mRecyclerView.invalidate();
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}
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void setState(int i) {
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if (i == 2 && this.mState != 2) {
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this.mVerticalThumbDrawable.setState(PRESSED_STATE_SET);
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cancelHide();
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}
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if (i == 0) {
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requestRedraw();
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} else {
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show();
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}
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if (this.mState == 2 && i != 2) {
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this.mVerticalThumbDrawable.setState(EMPTY_STATE_SET);
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resetHideDelay(HIDE_DELAY_AFTER_DRAGGING_MS);
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} else if (i == 1) {
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resetHideDelay(HIDE_DELAY_AFTER_VISIBLE_MS);
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}
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this.mState = i;
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}
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private boolean isLayoutRTL() {
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return ViewCompat.getLayoutDirection(this.mRecyclerView) == 1;
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}
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public void show() {
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int i = this.mAnimationState;
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if (i != 0) {
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if (i != 3) {
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return;
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} else {
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this.mShowHideAnimator.cancel();
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}
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}
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this.mAnimationState = 1;
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ValueAnimator valueAnimator = this.mShowHideAnimator;
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valueAnimator.setFloatValues(((Float) valueAnimator.getAnimatedValue()).floatValue(), 1.0f);
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this.mShowHideAnimator.setDuration(500L);
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this.mShowHideAnimator.setStartDelay(0L);
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this.mShowHideAnimator.start();
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}
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void hide(int i) {
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int i2 = this.mAnimationState;
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if (i2 == 1) {
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this.mShowHideAnimator.cancel();
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} else if (i2 != 2) {
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return;
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}
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this.mAnimationState = 3;
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ValueAnimator valueAnimator = this.mShowHideAnimator;
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valueAnimator.setFloatValues(((Float) valueAnimator.getAnimatedValue()).floatValue(), 0.0f);
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this.mShowHideAnimator.setDuration(i);
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this.mShowHideAnimator.start();
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}
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private void cancelHide() {
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this.mRecyclerView.removeCallbacks(this.mHideRunnable);
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}
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private void resetHideDelay(int i) {
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cancelHide();
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this.mRecyclerView.postDelayed(this.mHideRunnable, i);
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}
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@Override // androidx.recyclerview.widget.RecyclerView.ItemDecoration
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public void onDrawOver(Canvas canvas, RecyclerView recyclerView, RecyclerView.State state) {
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if (this.mRecyclerViewWidth != this.mRecyclerView.getWidth() || this.mRecyclerViewHeight != this.mRecyclerView.getHeight()) {
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this.mRecyclerViewWidth = this.mRecyclerView.getWidth();
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this.mRecyclerViewHeight = this.mRecyclerView.getHeight();
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setState(0);
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} else if (this.mAnimationState != 0) {
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if (this.mNeedVerticalScrollbar) {
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drawVerticalScrollbar(canvas);
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}
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if (this.mNeedHorizontalScrollbar) {
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drawHorizontalScrollbar(canvas);
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}
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}
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}
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private void drawVerticalScrollbar(Canvas canvas) {
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int i = this.mRecyclerViewWidth;
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int i2 = this.mVerticalThumbWidth;
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int i3 = i - i2;
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int i4 = this.mVerticalThumbCenterY;
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int i5 = this.mVerticalThumbHeight;
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int i6 = i4 - (i5 / 2);
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this.mVerticalThumbDrawable.setBounds(0, 0, i2, i5);
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this.mVerticalTrackDrawable.setBounds(0, 0, this.mVerticalTrackWidth, this.mRecyclerViewHeight);
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if (isLayoutRTL()) {
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this.mVerticalTrackDrawable.draw(canvas);
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canvas.translate(this.mVerticalThumbWidth, i6);
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canvas.scale(-1.0f, 1.0f);
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this.mVerticalThumbDrawable.draw(canvas);
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canvas.scale(1.0f, 1.0f);
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canvas.translate(-this.mVerticalThumbWidth, -i6);
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return;
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}
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canvas.translate(i3, 0.0f);
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this.mVerticalTrackDrawable.draw(canvas);
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canvas.translate(0.0f, i6);
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this.mVerticalThumbDrawable.draw(canvas);
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canvas.translate(-i3, -i6);
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}
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private void drawHorizontalScrollbar(Canvas canvas) {
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int i = this.mRecyclerViewHeight;
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int i2 = this.mHorizontalThumbHeight;
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int i3 = this.mHorizontalThumbCenterX;
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int i4 = this.mHorizontalThumbWidth;
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this.mHorizontalThumbDrawable.setBounds(0, 0, i4, i2);
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this.mHorizontalTrackDrawable.setBounds(0, 0, this.mRecyclerViewWidth, this.mHorizontalTrackHeight);
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canvas.translate(0.0f, i - i2);
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this.mHorizontalTrackDrawable.draw(canvas);
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canvas.translate(i3 - (i4 / 2), 0.0f);
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this.mHorizontalThumbDrawable.draw(canvas);
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canvas.translate(-r2, -r0);
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}
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void updateScrollPosition(int i, int i2) {
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int computeVerticalScrollRange = this.mRecyclerView.computeVerticalScrollRange();
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int i3 = this.mRecyclerViewHeight;
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this.mNeedVerticalScrollbar = computeVerticalScrollRange - i3 > 0 && i3 >= this.mScrollbarMinimumRange;
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int computeHorizontalScrollRange = this.mRecyclerView.computeHorizontalScrollRange();
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int i4 = this.mRecyclerViewWidth;
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boolean z = computeHorizontalScrollRange - i4 > 0 && i4 >= this.mScrollbarMinimumRange;
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this.mNeedHorizontalScrollbar = z;
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boolean z2 = this.mNeedVerticalScrollbar;
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if (!z2 && !z) {
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if (this.mState != 0) {
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setState(0);
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return;
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}
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return;
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}
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if (z2) {
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float f = i3;
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this.mVerticalThumbCenterY = (int) ((f * (i2 + (f / 2.0f))) / computeVerticalScrollRange);
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this.mVerticalThumbHeight = Math.min(i3, (i3 * i3) / computeVerticalScrollRange);
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}
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if (this.mNeedHorizontalScrollbar) {
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float f2 = i4;
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this.mHorizontalThumbCenterX = (int) ((f2 * (i + (f2 / 2.0f))) / computeHorizontalScrollRange);
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this.mHorizontalThumbWidth = Math.min(i4, (i4 * i4) / computeHorizontalScrollRange);
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}
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int i5 = this.mState;
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if (i5 == 0 || i5 == 1) {
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setState(1);
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}
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}
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@Override // androidx.recyclerview.widget.RecyclerView.OnItemTouchListener
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public boolean onInterceptTouchEvent(RecyclerView recyclerView, MotionEvent motionEvent) {
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int i = this.mState;
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if (i == 1) {
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boolean isPointInsideVerticalThumb = isPointInsideVerticalThumb(motionEvent.getX(), motionEvent.getY());
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boolean isPointInsideHorizontalThumb = isPointInsideHorizontalThumb(motionEvent.getX(), motionEvent.getY());
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if (motionEvent.getAction() != 0) {
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return false;
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}
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if (!isPointInsideVerticalThumb && !isPointInsideHorizontalThumb) {
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return false;
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}
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if (isPointInsideHorizontalThumb) {
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this.mDragState = 1;
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this.mHorizontalDragX = (int) motionEvent.getX();
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} else if (isPointInsideVerticalThumb) {
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this.mDragState = 2;
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this.mVerticalDragY = (int) motionEvent.getY();
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}
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setState(2);
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} else if (i != 2) {
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return false;
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}
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return true;
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}
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@Override // androidx.recyclerview.widget.RecyclerView.OnItemTouchListener
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public void onTouchEvent(RecyclerView recyclerView, MotionEvent motionEvent) {
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if (this.mState == 0) {
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return;
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}
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if (motionEvent.getAction() == 0) {
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boolean isPointInsideVerticalThumb = isPointInsideVerticalThumb(motionEvent.getX(), motionEvent.getY());
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boolean isPointInsideHorizontalThumb = isPointInsideHorizontalThumb(motionEvent.getX(), motionEvent.getY());
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if (isPointInsideVerticalThumb || isPointInsideHorizontalThumb) {
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if (isPointInsideHorizontalThumb) {
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this.mDragState = 1;
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this.mHorizontalDragX = (int) motionEvent.getX();
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} else if (isPointInsideVerticalThumb) {
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this.mDragState = 2;
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this.mVerticalDragY = (int) motionEvent.getY();
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}
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setState(2);
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return;
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}
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return;
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}
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if (motionEvent.getAction() == 1 && this.mState == 2) {
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this.mVerticalDragY = 0.0f;
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this.mHorizontalDragX = 0.0f;
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setState(1);
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this.mDragState = 0;
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return;
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}
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if (motionEvent.getAction() == 2 && this.mState == 2) {
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show();
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if (this.mDragState == 1) {
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horizontalScrollTo(motionEvent.getX());
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}
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if (this.mDragState == 2) {
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verticalScrollTo(motionEvent.getY());
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}
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}
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}
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private void verticalScrollTo(float f) {
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int[] verticalRange = getVerticalRange();
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float max = Math.max(verticalRange[0], Math.min(verticalRange[1], f));
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if (Math.abs(this.mVerticalThumbCenterY - max) < 2.0f) {
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return;
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}
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int scrollTo = scrollTo(this.mVerticalDragY, max, verticalRange, this.mRecyclerView.computeVerticalScrollRange(), this.mRecyclerView.computeVerticalScrollOffset(), this.mRecyclerViewHeight);
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if (scrollTo != 0) {
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this.mRecyclerView.scrollBy(0, scrollTo);
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}
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this.mVerticalDragY = max;
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}
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private void horizontalScrollTo(float f) {
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int[] horizontalRange = getHorizontalRange();
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float max = Math.max(horizontalRange[0], Math.min(horizontalRange[1], f));
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if (Math.abs(this.mHorizontalThumbCenterX - max) < 2.0f) {
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return;
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}
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int scrollTo = scrollTo(this.mHorizontalDragX, max, horizontalRange, this.mRecyclerView.computeHorizontalScrollRange(), this.mRecyclerView.computeHorizontalScrollOffset(), this.mRecyclerViewWidth);
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if (scrollTo != 0) {
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this.mRecyclerView.scrollBy(scrollTo, 0);
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}
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this.mHorizontalDragX = max;
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}
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private int scrollTo(float f, float f2, int[] iArr, int i, int i2, int i3) {
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int i4 = iArr[1] - iArr[0];
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if (i4 == 0) {
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return 0;
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}
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int i5 = i - i3;
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int i6 = (int) (((f2 - f) / i4) * i5);
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int i7 = i2 + i6;
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if (i7 >= i5 || i7 < 0) {
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return 0;
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}
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return i6;
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}
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boolean isPointInsideVerticalThumb(float f, float f2) {
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if (!isLayoutRTL() ? f >= this.mRecyclerViewWidth - this.mVerticalThumbWidth : f <= this.mVerticalThumbWidth / 2) {
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int i = this.mVerticalThumbCenterY;
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int i2 = this.mVerticalThumbHeight;
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if (f2 >= i - (i2 / 2) && f2 <= i + (i2 / 2)) {
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return true;
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}
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}
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return false;
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}
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boolean isPointInsideHorizontalThumb(float f, float f2) {
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if (f2 >= this.mRecyclerViewHeight - this.mHorizontalThumbHeight) {
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int i = this.mHorizontalThumbCenterX;
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int i2 = this.mHorizontalThumbWidth;
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if (f >= i - (i2 / 2) && f <= i + (i2 / 2)) {
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return true;
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}
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}
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return false;
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}
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private int[] getVerticalRange() {
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int[] iArr = this.mVerticalRange;
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int i = this.mMargin;
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iArr[0] = i;
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iArr[1] = this.mRecyclerViewHeight - i;
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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;
|
||||
|
||||
@Override // android.animation.AnimatorListenerAdapter, android.animation.Animator.AnimatorListener
|
||||
public void onAnimationCancel(Animator animator) {
|
||||
this.mCanceled = true;
|
||||
}
|
||||
|
||||
AnimatorListener() {
|
||||
}
|
||||
|
||||
@Override // android.animation.AnimatorListenerAdapter, android.animation.Animator.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();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private class AnimatorUpdater implements ValueAnimator.AnimatorUpdateListener {
|
||||
AnimatorUpdater() {
|
||||
}
|
||||
|
||||
@Override // android.animation.ValueAnimator.AnimatorUpdateListener
|
||||
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();
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user