ADD week 5
This commit is contained in:
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package com.google.android.material.behavior;
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import android.animation.Animator;
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import android.animation.AnimatorListenerAdapter;
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import android.animation.TimeInterpolator;
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import android.content.Context;
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import android.util.AttributeSet;
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import android.view.View;
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import android.view.ViewGroup;
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import android.view.ViewPropertyAnimator;
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import androidx.coordinatorlayout.widget.CoordinatorLayout;
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import com.google.android.material.R;
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import com.google.android.material.animation.AnimationUtils;
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import com.google.android.material.motion.MotionUtils;
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import java.util.Iterator;
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import java.util.LinkedHashSet;
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/* loaded from: classes.dex */
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public class HideBottomViewOnScrollBehavior<V extends View> extends CoordinatorLayout.Behavior<V> {
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private static final int DEFAULT_ENTER_ANIMATION_DURATION_MS = 225;
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private static final int DEFAULT_EXIT_ANIMATION_DURATION_MS = 175;
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public static final int STATE_SCROLLED_DOWN = 1;
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public static final int STATE_SCROLLED_UP = 2;
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private int additionalHiddenOffsetY;
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private ViewPropertyAnimator currentAnimator;
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private int currentState;
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private int enterAnimDuration;
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private TimeInterpolator enterAnimInterpolator;
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private int exitAnimDuration;
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private TimeInterpolator exitAnimInterpolator;
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private int height;
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private final LinkedHashSet<OnScrollStateChangedListener> onScrollStateChangedListeners;
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private static final int ENTER_ANIM_DURATION_ATTR = R.attr.motionDurationLong2;
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private static final int EXIT_ANIM_DURATION_ATTR = R.attr.motionDurationMedium4;
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private static final int ENTER_EXIT_ANIM_EASING_ATTR = R.attr.motionEasingEmphasizedInterpolator;
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public interface OnScrollStateChangedListener {
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void onStateChanged(View view, int i);
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}
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public @interface ScrollState {
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}
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public boolean isScrolledDown() {
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return this.currentState == 1;
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}
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public boolean isScrolledUp() {
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return this.currentState == 2;
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}
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@Override // androidx.coordinatorlayout.widget.CoordinatorLayout.Behavior
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public boolean onStartNestedScroll(CoordinatorLayout coordinatorLayout, V v, View view, View view2, int i, int i2) {
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return i == 2;
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}
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public HideBottomViewOnScrollBehavior() {
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this.onScrollStateChangedListeners = new LinkedHashSet<>();
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this.height = 0;
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this.currentState = 2;
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this.additionalHiddenOffsetY = 0;
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}
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public HideBottomViewOnScrollBehavior(Context context, AttributeSet attributeSet) {
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super(context, attributeSet);
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this.onScrollStateChangedListeners = new LinkedHashSet<>();
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this.height = 0;
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this.currentState = 2;
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this.additionalHiddenOffsetY = 0;
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}
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@Override // androidx.coordinatorlayout.widget.CoordinatorLayout.Behavior
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public boolean onLayoutChild(CoordinatorLayout coordinatorLayout, V v, int i) {
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this.height = v.getMeasuredHeight() + ((ViewGroup.MarginLayoutParams) v.getLayoutParams()).bottomMargin;
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this.enterAnimDuration = MotionUtils.resolveThemeDuration(v.getContext(), ENTER_ANIM_DURATION_ATTR, DEFAULT_ENTER_ANIMATION_DURATION_MS);
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this.exitAnimDuration = MotionUtils.resolveThemeDuration(v.getContext(), EXIT_ANIM_DURATION_ATTR, DEFAULT_EXIT_ANIMATION_DURATION_MS);
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Context context = v.getContext();
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int i2 = ENTER_EXIT_ANIM_EASING_ATTR;
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this.enterAnimInterpolator = MotionUtils.resolveThemeInterpolator(context, i2, AnimationUtils.LINEAR_OUT_SLOW_IN_INTERPOLATOR);
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this.exitAnimInterpolator = MotionUtils.resolveThemeInterpolator(v.getContext(), i2, AnimationUtils.FAST_OUT_LINEAR_IN_INTERPOLATOR);
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return super.onLayoutChild(coordinatorLayout, v, i);
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}
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public void setAdditionalHiddenOffsetY(V v, int i) {
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this.additionalHiddenOffsetY = i;
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if (this.currentState == 1) {
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v.setTranslationY(this.height + i);
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}
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}
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@Override // androidx.coordinatorlayout.widget.CoordinatorLayout.Behavior
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public void onNestedScroll(CoordinatorLayout coordinatorLayout, V v, View view, int i, int i2, int i3, int i4, int i5, int[] iArr) {
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if (i2 > 0) {
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slideDown(v);
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} else if (i2 < 0) {
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slideUp(v);
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}
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}
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public void slideUp(V v) {
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slideUp(v, true);
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}
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public void slideUp(V v, boolean z) {
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if (isScrolledUp()) {
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return;
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}
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ViewPropertyAnimator viewPropertyAnimator = this.currentAnimator;
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if (viewPropertyAnimator != null) {
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viewPropertyAnimator.cancel();
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v.clearAnimation();
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}
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updateCurrentState(v, 2);
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if (z) {
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animateChildTo(v, 0, this.enterAnimDuration, this.enterAnimInterpolator);
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} else {
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v.setTranslationY(0);
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}
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}
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public void slideDown(V v) {
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slideDown(v, true);
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}
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public void slideDown(V v, boolean z) {
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if (isScrolledDown()) {
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return;
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}
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ViewPropertyAnimator viewPropertyAnimator = this.currentAnimator;
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if (viewPropertyAnimator != null) {
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viewPropertyAnimator.cancel();
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v.clearAnimation();
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}
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updateCurrentState(v, 1);
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int i = this.height + this.additionalHiddenOffsetY;
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if (z) {
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animateChildTo(v, i, this.exitAnimDuration, this.exitAnimInterpolator);
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} else {
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v.setTranslationY(i);
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}
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}
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private void updateCurrentState(V v, int i) {
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this.currentState = i;
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Iterator<OnScrollStateChangedListener> it = this.onScrollStateChangedListeners.iterator();
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while (it.hasNext()) {
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it.next().onStateChanged(v, this.currentState);
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}
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}
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private void animateChildTo(V v, int i, long j, TimeInterpolator timeInterpolator) {
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this.currentAnimator = v.animate().translationY(i).setInterpolator(timeInterpolator).setDuration(j).setListener(new AnimatorListenerAdapter() { // from class: com.google.android.material.behavior.HideBottomViewOnScrollBehavior.1
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@Override // android.animation.AnimatorListenerAdapter, android.animation.Animator.AnimatorListener
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public void onAnimationEnd(Animator animator) {
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HideBottomViewOnScrollBehavior.this.currentAnimator = null;
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}
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});
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}
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public void addOnScrollStateChangedListener(OnScrollStateChangedListener onScrollStateChangedListener) {
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this.onScrollStateChangedListeners.add(onScrollStateChangedListener);
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}
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public void removeOnScrollStateChangedListener(OnScrollStateChangedListener onScrollStateChangedListener) {
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this.onScrollStateChangedListeners.remove(onScrollStateChangedListener);
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}
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public void clearOnScrollStateChangedListeners() {
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this.onScrollStateChangedListeners.clear();
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}
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}
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@@ -0,0 +1,332 @@
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package com.google.android.material.behavior;
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import android.view.MotionEvent;
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import android.view.View;
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import android.view.ViewGroup;
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import android.view.ViewParent;
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import androidx.coordinatorlayout.widget.CoordinatorLayout;
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import androidx.core.view.ViewCompat;
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import androidx.core.view.accessibility.AccessibilityNodeInfoCompat;
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import androidx.core.view.accessibility.AccessibilityViewCommand;
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import androidx.customview.widget.ViewDragHelper;
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/* loaded from: classes.dex */
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public class SwipeDismissBehavior<V extends View> extends CoordinatorLayout.Behavior<V> {
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private static final float DEFAULT_ALPHA_END_DISTANCE = 0.5f;
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private static final float DEFAULT_ALPHA_START_DISTANCE = 0.0f;
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private static final float DEFAULT_DRAG_DISMISS_THRESHOLD = 0.5f;
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public static final int STATE_DRAGGING = 1;
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public static final int STATE_IDLE = 0;
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public static final int STATE_SETTLING = 2;
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public static final int SWIPE_DIRECTION_ANY = 2;
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public static final int SWIPE_DIRECTION_END_TO_START = 1;
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public static final int SWIPE_DIRECTION_START_TO_END = 0;
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private boolean interceptingEvents;
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OnDismissListener listener;
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private boolean requestingDisallowInterceptTouchEvent;
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private boolean sensitivitySet;
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ViewDragHelper viewDragHelper;
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private float sensitivity = 0.0f;
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int swipeDirection = 2;
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float dragDismissThreshold = 0.5f;
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float alphaStartSwipeDistance = 0.0f;
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float alphaEndSwipeDistance = 0.5f;
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private final ViewDragHelper.Callback dragCallback = new ViewDragHelper.Callback() { // from class: com.google.android.material.behavior.SwipeDismissBehavior.1
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private static final int INVALID_POINTER_ID = -1;
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private int activePointerId = -1;
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private int originalCapturedViewLeft;
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@Override // androidx.customview.widget.ViewDragHelper.Callback
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public boolean tryCaptureView(View view, int i) {
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int i2 = this.activePointerId;
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return (i2 == -1 || i2 == i) && SwipeDismissBehavior.this.canSwipeDismissView(view);
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}
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@Override // androidx.customview.widget.ViewDragHelper.Callback
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public void onViewCaptured(View view, int i) {
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this.activePointerId = i;
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this.originalCapturedViewLeft = view.getLeft();
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ViewParent parent = view.getParent();
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if (parent != null) {
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SwipeDismissBehavior.this.requestingDisallowInterceptTouchEvent = true;
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parent.requestDisallowInterceptTouchEvent(true);
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SwipeDismissBehavior.this.requestingDisallowInterceptTouchEvent = false;
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}
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}
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@Override // androidx.customview.widget.ViewDragHelper.Callback
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public void onViewDragStateChanged(int i) {
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if (SwipeDismissBehavior.this.listener != null) {
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SwipeDismissBehavior.this.listener.onDragStateChanged(i);
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}
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}
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@Override // androidx.customview.widget.ViewDragHelper.Callback
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public void onViewReleased(View view, float f, float f2) {
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int i;
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boolean z;
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this.activePointerId = -1;
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int width = view.getWidth();
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if (shouldDismiss(view, f)) {
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if (f >= 0.0f) {
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int left = view.getLeft();
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int i2 = this.originalCapturedViewLeft;
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if (left >= i2) {
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i = i2 + width;
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z = true;
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}
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}
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i = this.originalCapturedViewLeft - width;
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z = true;
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} else {
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i = this.originalCapturedViewLeft;
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z = false;
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}
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if (SwipeDismissBehavior.this.viewDragHelper.settleCapturedViewAt(i, view.getTop())) {
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ViewCompat.postOnAnimation(view, new SettleRunnable(view, z));
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} else {
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if (!z || SwipeDismissBehavior.this.listener == null) {
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return;
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}
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SwipeDismissBehavior.this.listener.onDismiss(view);
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}
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}
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private boolean shouldDismiss(View view, float f) {
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if (f == 0.0f) {
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return Math.abs(view.getLeft() - this.originalCapturedViewLeft) >= Math.round(((float) view.getWidth()) * SwipeDismissBehavior.this.dragDismissThreshold);
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}
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boolean z = ViewCompat.getLayoutDirection(view) == 1;
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if (SwipeDismissBehavior.this.swipeDirection == 2) {
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return true;
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}
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if (SwipeDismissBehavior.this.swipeDirection == 0) {
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if (z) {
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if (f >= 0.0f) {
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return false;
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}
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} else if (f <= 0.0f) {
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return false;
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}
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return true;
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}
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if (SwipeDismissBehavior.this.swipeDirection != 1) {
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return false;
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}
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if (z) {
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if (f <= 0.0f) {
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return false;
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}
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} else if (f >= 0.0f) {
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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.customview.widget.ViewDragHelper.Callback
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public int getViewHorizontalDragRange(View view) {
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return view.getWidth();
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}
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@Override // androidx.customview.widget.ViewDragHelper.Callback
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public int clampViewPositionHorizontal(View view, int i, int i2) {
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int width;
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int width2;
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int width3;
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boolean z = ViewCompat.getLayoutDirection(view) == 1;
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if (SwipeDismissBehavior.this.swipeDirection == 0) {
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if (z) {
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width = this.originalCapturedViewLeft - view.getWidth();
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width2 = this.originalCapturedViewLeft;
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} else {
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width = this.originalCapturedViewLeft;
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width3 = view.getWidth();
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width2 = width3 + width;
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}
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} else if (SwipeDismissBehavior.this.swipeDirection != 1) {
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width = this.originalCapturedViewLeft - view.getWidth();
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width2 = view.getWidth() + this.originalCapturedViewLeft;
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} else if (z) {
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width = this.originalCapturedViewLeft;
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width3 = view.getWidth();
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width2 = width3 + width;
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} else {
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width = this.originalCapturedViewLeft - view.getWidth();
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width2 = this.originalCapturedViewLeft;
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}
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return SwipeDismissBehavior.clamp(width, i, width2);
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}
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@Override // androidx.customview.widget.ViewDragHelper.Callback
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public int clampViewPositionVertical(View view, int i, int i2) {
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return view.getTop();
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}
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@Override // androidx.customview.widget.ViewDragHelper.Callback
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public void onViewPositionChanged(View view, int i, int i2, int i3, int i4) {
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float width = view.getWidth() * SwipeDismissBehavior.this.alphaStartSwipeDistance;
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float width2 = view.getWidth() * SwipeDismissBehavior.this.alphaEndSwipeDistance;
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float abs = Math.abs(i - this.originalCapturedViewLeft);
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if (abs <= width) {
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view.setAlpha(1.0f);
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} else if (abs >= width2) {
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view.setAlpha(0.0f);
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} else {
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view.setAlpha(SwipeDismissBehavior.clamp(0.0f, 1.0f - SwipeDismissBehavior.fraction(width, width2, abs), 1.0f));
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}
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}
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};
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public interface OnDismissListener {
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void onDismiss(View view);
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void onDragStateChanged(int i);
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}
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static float fraction(float f, float f2, float f3) {
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return (f3 - f) / (f2 - f);
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}
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public boolean canSwipeDismissView(View view) {
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return true;
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}
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public OnDismissListener getListener() {
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return this.listener;
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}
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public void setListener(OnDismissListener onDismissListener) {
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this.listener = onDismissListener;
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}
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public void setSensitivity(float f) {
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this.sensitivity = f;
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this.sensitivitySet = true;
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}
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public void setSwipeDirection(int i) {
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this.swipeDirection = i;
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}
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public void setDragDismissDistance(float f) {
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this.dragDismissThreshold = clamp(0.0f, f, 1.0f);
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}
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public void setStartAlphaSwipeDistance(float f) {
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this.alphaStartSwipeDistance = clamp(0.0f, f, 1.0f);
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}
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public void setEndAlphaSwipeDistance(float f) {
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this.alphaEndSwipeDistance = clamp(0.0f, f, 1.0f);
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}
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@Override // androidx.coordinatorlayout.widget.CoordinatorLayout.Behavior
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public boolean onLayoutChild(CoordinatorLayout coordinatorLayout, V v, int i) {
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boolean onLayoutChild = super.onLayoutChild(coordinatorLayout, v, i);
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if (ViewCompat.getImportantForAccessibility(v) == 0) {
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ViewCompat.setImportantForAccessibility(v, 1);
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updateAccessibilityActions(v);
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}
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return onLayoutChild;
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}
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@Override // androidx.coordinatorlayout.widget.CoordinatorLayout.Behavior
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public boolean onInterceptTouchEvent(CoordinatorLayout coordinatorLayout, V v, MotionEvent motionEvent) {
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boolean z = this.interceptingEvents;
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int actionMasked = motionEvent.getActionMasked();
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if (actionMasked == 0) {
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z = coordinatorLayout.isPointInChildBounds(v, (int) motionEvent.getX(), (int) motionEvent.getY());
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this.interceptingEvents = z;
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} else if (actionMasked == 1 || actionMasked == 3) {
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this.interceptingEvents = false;
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}
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if (!z) {
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return false;
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}
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ensureViewDragHelper(coordinatorLayout);
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return !this.requestingDisallowInterceptTouchEvent && this.viewDragHelper.shouldInterceptTouchEvent(motionEvent);
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}
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@Override // androidx.coordinatorlayout.widget.CoordinatorLayout.Behavior
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public boolean onTouchEvent(CoordinatorLayout coordinatorLayout, V v, MotionEvent motionEvent) {
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if (this.viewDragHelper == null) {
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return false;
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}
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if (this.requestingDisallowInterceptTouchEvent && motionEvent.getActionMasked() == 3) {
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return true;
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}
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this.viewDragHelper.processTouchEvent(motionEvent);
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return true;
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}
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private void ensureViewDragHelper(ViewGroup viewGroup) {
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ViewDragHelper create;
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if (this.viewDragHelper == null) {
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if (this.sensitivitySet) {
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create = ViewDragHelper.create(viewGroup, this.sensitivity, this.dragCallback);
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} else {
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create = ViewDragHelper.create(viewGroup, this.dragCallback);
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}
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this.viewDragHelper = create;
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}
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}
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private class SettleRunnable implements Runnable {
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private final boolean dismiss;
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private final View view;
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SettleRunnable(View view, boolean z) {
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this.view = view;
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this.dismiss = z;
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}
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@Override // java.lang.Runnable
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public void run() {
|
||||
if (SwipeDismissBehavior.this.viewDragHelper != null && SwipeDismissBehavior.this.viewDragHelper.continueSettling(true)) {
|
||||
ViewCompat.postOnAnimation(this.view, this);
|
||||
} else {
|
||||
if (!this.dismiss || SwipeDismissBehavior.this.listener == null) {
|
||||
return;
|
||||
}
|
||||
SwipeDismissBehavior.this.listener.onDismiss(this.view);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private void updateAccessibilityActions(View view) {
|
||||
ViewCompat.removeAccessibilityAction(view, 1048576);
|
||||
if (canSwipeDismissView(view)) {
|
||||
ViewCompat.replaceAccessibilityAction(view, AccessibilityNodeInfoCompat.AccessibilityActionCompat.ACTION_DISMISS, null, new AccessibilityViewCommand() { // from class: com.google.android.material.behavior.SwipeDismissBehavior.2
|
||||
@Override // androidx.core.view.accessibility.AccessibilityViewCommand
|
||||
public boolean perform(View view2, AccessibilityViewCommand.CommandArguments commandArguments) {
|
||||
if (!SwipeDismissBehavior.this.canSwipeDismissView(view2)) {
|
||||
return false;
|
||||
}
|
||||
boolean z = ViewCompat.getLayoutDirection(view2) == 1;
|
||||
ViewCompat.offsetLeftAndRight(view2, (!(SwipeDismissBehavior.this.swipeDirection == 0 && z) && (SwipeDismissBehavior.this.swipeDirection != 1 || z)) ? view2.getWidth() : -view2.getWidth());
|
||||
view2.setAlpha(0.0f);
|
||||
if (SwipeDismissBehavior.this.listener != null) {
|
||||
SwipeDismissBehavior.this.listener.onDismiss(view2);
|
||||
}
|
||||
return true;
|
||||
}
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
static float clamp(float f, float f2, float f3) {
|
||||
return Math.min(Math.max(f, f2), f3);
|
||||
}
|
||||
|
||||
static int clamp(int i, int i2, int i3) {
|
||||
return Math.min(Math.max(i, i2), i3);
|
||||
}
|
||||
|
||||
public int getDragState() {
|
||||
ViewDragHelper viewDragHelper = this.viewDragHelper;
|
||||
if (viewDragHelper != null) {
|
||||
return viewDragHelper.getViewDragState();
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user