57 lines
2.0 KiB
Java
57 lines
2.0 KiB
Java
package androidx.transition;
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import android.graphics.Rect;
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import android.view.ViewGroup;
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/* loaded from: classes.dex */
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public class CircularPropagation extends VisibilityPropagation {
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private float mPropagationSpeed = 3.0f;
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public void setPropagationSpeed(float f) {
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if (f == 0.0f) {
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throw new IllegalArgumentException("propagationSpeed may not be 0");
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}
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this.mPropagationSpeed = f;
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}
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@Override // androidx.transition.TransitionPropagation
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public long getStartDelay(ViewGroup viewGroup, Transition transition, TransitionValues transitionValues, TransitionValues transitionValues2) {
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int i;
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int round;
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int i2;
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if (transitionValues == null && transitionValues2 == null) {
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return 0L;
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}
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if (transitionValues2 == null || getViewVisibility(transitionValues) == 0) {
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i = -1;
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} else {
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transitionValues = transitionValues2;
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i = 1;
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}
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int viewX = getViewX(transitionValues);
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int viewY = getViewY(transitionValues);
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Rect epicenter = transition.getEpicenter();
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if (epicenter != null) {
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i2 = epicenter.centerX();
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round = epicenter.centerY();
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} else {
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viewGroup.getLocationOnScreen(new int[2]);
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int round2 = Math.round(r5[0] + (viewGroup.getWidth() / 2) + viewGroup.getTranslationX());
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round = Math.round(r5[1] + (viewGroup.getHeight() / 2) + viewGroup.getTranslationY());
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i2 = round2;
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}
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float distance = distance(viewX, viewY, i2, round) / distance(0.0f, 0.0f, viewGroup.getWidth(), viewGroup.getHeight());
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long duration = transition.getDuration();
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if (duration < 0) {
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duration = 300;
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}
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return Math.round(((duration * i) / this.mPropagationSpeed) * distance);
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}
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private static float distance(float f, float f2, float f3, float f4) {
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float f5 = f3 - f;
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float f6 = f4 - f2;
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return (float) Math.sqrt((f5 * f5) + (f6 * f6));
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}
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}
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