ADD week 5

2025-03-31 16:33:42 +02:00
parent 86f265f22d
commit bf645048e6
4927 changed files with 544053 additions and 0 deletions
--- a/02-Easy5/E5/sources/androidx/recyclerview/widget/ViewBoundsCheck.java
+++ b/02-Easy5/E5/sources/androidx/recyclerview/widget/ViewBoundsCheck.java
@@ -0,0 +1,138 @@
+package androidx.recyclerview.widget;
+
+import android.view.View;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+
+/* loaded from: classes.dex */
+class ViewBoundsCheck {
+    static final int CVE_PVE_POS = 12;
+    static final int CVE_PVS_POS = 8;
+    static final int CVS_PVE_POS = 4;
+    static final int CVS_PVS_POS = 0;
+    static final int EQ = 2;
+    static final int FLAG_CVE_EQ_PVE = 8192;
+    static final int FLAG_CVE_EQ_PVS = 512;
+    static final int FLAG_CVE_GT_PVE = 4096;
+    static final int FLAG_CVE_GT_PVS = 256;
+    static final int FLAG_CVE_LT_PVE = 16384;
+    static final int FLAG_CVE_LT_PVS = 1024;
+    static final int FLAG_CVS_EQ_PVE = 32;
+    static final int FLAG_CVS_EQ_PVS = 2;
+    static final int FLAG_CVS_GT_PVE = 16;
+    static final int FLAG_CVS_GT_PVS = 1;
+    static final int FLAG_CVS_LT_PVE = 64;
+    static final int FLAG_CVS_LT_PVS = 4;
+    static final int GT = 1;
+    static final int LT = 4;
+    static final int MASK = 7;
+    BoundFlags mBoundFlags = new BoundFlags();
+    final Callback mCallback;
+
+    interface Callback {
+        View getChildAt(int i);
+
+        int getChildEnd(View view);
+
+        int getChildStart(View view);
+
+        int getParentEnd();
+
+        int getParentStart();
+    }
+
+    @Retention(RetentionPolicy.SOURCE)
+    public @interface ViewBounds {
+    }
+
+    ViewBoundsCheck(Callback callback) {
+        this.mCallback = callback;
+    }
+
+    static class BoundFlags {
+        int mBoundFlags = 0;
+        int mChildEnd;
+        int mChildStart;
+        int mRvEnd;
+        int mRvStart;
+
+        void addFlags(int i) {
+            this.mBoundFlags = i | this.mBoundFlags;
+        }
+
+        int compare(int i, int i2) {
+            if (i > i2) {
+                return 1;
+            }
+            return i == i2 ? 2 : 4;
+        }
+
+        void resetFlags() {
+            this.mBoundFlags = 0;
+        }
+
+        void setBounds(int i, int i2, int i3, int i4) {
+            this.mRvStart = i;
+            this.mRvEnd = i2;
+            this.mChildStart = i3;
+            this.mChildEnd = i4;
+        }
+
+        BoundFlags() {
+        }
+
+        boolean boundsMatch() {
+            int i = this.mBoundFlags;
+            if ((i & 7) != 0 && (i & compare(this.mChildStart, this.mRvStart)) == 0) {
+                return false;
+            }
+            int i2 = this.mBoundFlags;
+            if ((i2 & 112) != 0 && (i2 & (compare(this.mChildStart, this.mRvEnd) << 4)) == 0) {
+                return false;
+            }
+            int i3 = this.mBoundFlags;
+            if ((i3 & 1792) != 0 && (i3 & (compare(this.mChildEnd, this.mRvStart) << 8)) == 0) {
+                return false;
+            }
+            int i4 = this.mBoundFlags;
+            return (i4 & 28672) == 0 || (i4 & (compare(this.mChildEnd, this.mRvEnd) << 12)) != 0;
+        }
+    }
+
+    View findOneViewWithinBoundFlags(int i, int i2, int i3, int i4) {
+        int parentStart = this.mCallback.getParentStart();
+        int parentEnd = this.mCallback.getParentEnd();
+        int i5 = i2 > i ? 1 : -1;
+        View view = null;
+        while (i != i2) {
+            View childAt = this.mCallback.getChildAt(i);
+            this.mBoundFlags.setBounds(parentStart, parentEnd, this.mCallback.getChildStart(childAt), this.mCallback.getChildEnd(childAt));
+            if (i3 != 0) {
+                this.mBoundFlags.resetFlags();
+                this.mBoundFlags.addFlags(i3);
+                if (this.mBoundFlags.boundsMatch()) {
+                    return childAt;
+                }
+            }
+            if (i4 != 0) {
+                this.mBoundFlags.resetFlags();
+                this.mBoundFlags.addFlags(i4);
+                if (this.mBoundFlags.boundsMatch()) {
+                    view = childAt;
+                }
+            }
+            i += i5;
+        }
+        return view;
+    }
+
+    boolean isViewWithinBoundFlags(View view, int i) {
+        this.mBoundFlags.setBounds(this.mCallback.getParentStart(), this.mCallback.getParentEnd(), this.mCallback.getChildStart(view), this.mCallback.getChildEnd(view));
+        if (i == 0) {
+            return false;
+        }
+        this.mBoundFlags.resetFlags();
+        this.mBoundFlags.addFlags(i);
+        return this.mBoundFlags.boundsMatch();
+    }
+}