ADD week 5

02-Easy5/E5/sources/androidx/recyclerview/widget/ItemTouchUIUtilImpl.java

@@ -0,0 +1,59 @@
+package androidx.recyclerview.widget;
+
+import android.graphics.Canvas;
+import android.view.View;
+import androidx.core.view.ViewCompat;
+import androidx.recyclerview.R;
+
+/* loaded from: classes.dex */
+class ItemTouchUIUtilImpl implements ItemTouchUIUtil {
+    static final ItemTouchUIUtil INSTANCE = new ItemTouchUIUtilImpl();
+
+    @Override // androidx.recyclerview.widget.ItemTouchUIUtil
+    public void onDrawOver(Canvas canvas, RecyclerView recyclerView, View view, float f, float f2, int i, boolean z) {
+    }
+
+    @Override // androidx.recyclerview.widget.ItemTouchUIUtil
+    public void onSelected(View view) {
+    }
+
+    ItemTouchUIUtilImpl() {
+    }
+
+    @Override // androidx.recyclerview.widget.ItemTouchUIUtil
+    public void onDraw(Canvas canvas, RecyclerView recyclerView, View view, float f, float f2, int i, boolean z) {
+        if (z && view.getTag(R.id.item_touch_helper_previous_elevation) == null) {
+            Float valueOf = Float.valueOf(ViewCompat.getElevation(view));
+            ViewCompat.setElevation(view, findMaxElevation(recyclerView, view) + 1.0f);
+            view.setTag(R.id.item_touch_helper_previous_elevation, valueOf);
+        }
+        view.setTranslationX(f);
+        view.setTranslationY(f2);
+    }
+
+    private static float findMaxElevation(RecyclerView recyclerView, View view) {
+        int childCount = recyclerView.getChildCount();
+        float f = 0.0f;
+        for (int i = 0; i < childCount; i++) {
+            View childAt = recyclerView.getChildAt(i);
+            if (childAt != view) {
+                float elevation = ViewCompat.getElevation(childAt);
+                if (elevation > f) {
+                    f = elevation;
+                }
+            }
+        }
+        return f;
+    }
+
+    @Override // androidx.recyclerview.widget.ItemTouchUIUtil
+    public void clearView(View view) {
+        Object tag = view.getTag(R.id.item_touch_helper_previous_elevation);
+        if (tag instanceof Float) {
+            ViewCompat.setElevation(view, ((Float) tag).floatValue());
+        }
+        view.setTag(R.id.item_touch_helper_previous_elevation, null);
+        view.setTranslationX(0.0f);
+        view.setTranslationY(0.0f);
+    }
+}