57 lines
2.0 KiB
Java
57 lines
2.0 KiB
Java
package androidx.coordinatorlayout.widget;
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import android.graphics.Matrix;
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import android.graphics.Rect;
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import android.graphics.RectF;
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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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/* loaded from: classes.dex */
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public class ViewGroupUtils {
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private static final ThreadLocal<Matrix> sMatrix = new ThreadLocal<>();
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private static final ThreadLocal<RectF> sRectF = new ThreadLocal<>();
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static void offsetDescendantRect(ViewGroup viewGroup, View view, Rect rect) {
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ThreadLocal<Matrix> threadLocal = sMatrix;
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Matrix matrix = threadLocal.get();
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if (matrix == null) {
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matrix = new Matrix();
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threadLocal.set(matrix);
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} else {
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matrix.reset();
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}
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offsetDescendantMatrix(viewGroup, view, matrix);
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ThreadLocal<RectF> threadLocal2 = sRectF;
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RectF rectF = threadLocal2.get();
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if (rectF == null) {
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rectF = new RectF();
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threadLocal2.set(rectF);
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}
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rectF.set(rect);
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matrix.mapRect(rectF);
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rect.set((int) (rectF.left + 0.5f), (int) (rectF.top + 0.5f), (int) (rectF.right + 0.5f), (int) (rectF.bottom + 0.5f));
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}
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public static void getDescendantRect(ViewGroup viewGroup, View view, Rect rect) {
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rect.set(0, 0, view.getWidth(), view.getHeight());
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offsetDescendantRect(viewGroup, view, rect);
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}
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private static void offsetDescendantMatrix(ViewParent viewParent, View view, Matrix matrix) {
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Object parent = view.getParent();
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if ((parent instanceof View) && parent != viewParent) {
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offsetDescendantMatrix(viewParent, (View) parent, matrix);
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matrix.preTranslate(-r0.getScrollX(), -r0.getScrollY());
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}
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matrix.preTranslate(view.getLeft(), view.getTop());
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if (view.getMatrix().isIdentity()) {
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return;
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}
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matrix.preConcat(view.getMatrix());
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}
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private ViewGroupUtils() {
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}
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}
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