121 lines
3.9 KiB
Java
121 lines
3.9 KiB
Java
package androidx.transition;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.FrameLayout;
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import java.util.ArrayList;
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/* loaded from: classes.dex */
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class GhostViewHolder extends FrameLayout {
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private boolean mAttached;
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private ViewGroup mParent;
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GhostViewHolder(ViewGroup viewGroup) {
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super(viewGroup.getContext());
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setClipChildren(false);
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this.mParent = viewGroup;
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viewGroup.setTag(R.id.ghost_view_holder, this);
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ViewGroupUtils.getOverlay(this.mParent).add(this);
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this.mAttached = true;
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}
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@Override // android.view.ViewGroup
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public void onViewAdded(View view) {
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if (!this.mAttached) {
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throw new IllegalStateException("This GhostViewHolder is detached!");
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}
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super.onViewAdded(view);
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}
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@Override // android.view.ViewGroup
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public void onViewRemoved(View view) {
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super.onViewRemoved(view);
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if ((getChildCount() == 1 && getChildAt(0) == view) || getChildCount() == 0) {
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this.mParent.setTag(R.id.ghost_view_holder, null);
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ViewGroupUtils.getOverlay(this.mParent).remove(this);
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this.mAttached = false;
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}
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}
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static GhostViewHolder getHolder(ViewGroup viewGroup) {
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return (GhostViewHolder) viewGroup.getTag(R.id.ghost_view_holder);
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}
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void popToOverlayTop() {
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if (!this.mAttached) {
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throw new IllegalStateException("This GhostViewHolder is detached!");
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}
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ViewGroupUtils.getOverlay(this.mParent).remove(this);
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ViewGroupUtils.getOverlay(this.mParent).add(this);
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}
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void addGhostView(GhostViewPort ghostViewPort) {
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ArrayList<View> arrayList = new ArrayList<>();
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getParents(ghostViewPort.mView, arrayList);
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int insertIndex = getInsertIndex(arrayList);
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if (insertIndex < 0 || insertIndex >= getChildCount()) {
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addView(ghostViewPort);
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} else {
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addView(ghostViewPort, insertIndex);
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}
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}
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private int getInsertIndex(ArrayList<View> arrayList) {
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ArrayList arrayList2 = new ArrayList();
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int childCount = getChildCount() - 1;
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int i = 0;
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while (i <= childCount) {
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int i2 = (i + childCount) / 2;
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getParents(((GhostViewPort) getChildAt(i2)).mView, arrayList2);
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if (isOnTop(arrayList, (ArrayList<View>) arrayList2)) {
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i = i2 + 1;
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} else {
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childCount = i2 - 1;
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}
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arrayList2.clear();
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}
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return i;
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}
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private static boolean isOnTop(ArrayList<View> arrayList, ArrayList<View> arrayList2) {
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if (arrayList.isEmpty() || arrayList2.isEmpty() || arrayList.get(0) != arrayList2.get(0)) {
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return true;
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}
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int min = Math.min(arrayList.size(), arrayList2.size());
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for (int i = 1; i < min; i++) {
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View view = arrayList.get(i);
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View view2 = arrayList2.get(i);
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if (view != view2) {
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return isOnTop(view, view2);
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}
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}
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return arrayList2.size() == min;
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}
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private static void getParents(View view, ArrayList<View> arrayList) {
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Object parent = view.getParent();
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if (parent instanceof ViewGroup) {
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getParents((View) parent, arrayList);
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}
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arrayList.add(view);
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}
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private static boolean isOnTop(View view, View view2) {
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ViewGroup viewGroup = (ViewGroup) view.getParent();
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int childCount = viewGroup.getChildCount();
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if (view.getZ() != view2.getZ()) {
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return view.getZ() > view2.getZ();
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}
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for (int i = 0; i < childCount; i++) {
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View childAt = viewGroup.getChildAt(ViewGroupUtils.getChildDrawingOrder(viewGroup, i));
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if (childAt == view) {
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return false;
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}
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if (childAt == view2) {
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break;
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}
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}
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return true;
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}
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}
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