From d9caab6999bea925835c22df55db9395b50670b2 Mon Sep 17 00:00:00 2001
From: Ruslan Shestopalyuk <rshest@meta.com>
Date: Tue, 30 Jul 2024 02:55:25 -0700
Subject: [PATCH] Migrate DivisionAnimatedNode, Java->Kotlin (#45762)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/45762

# Changelog:
[Internal] -

As in the title.

Reviewed By: cortinico

Differential Revision: D60341635
---
 .../react/animated/DivisionAnimatedNode.java  | 64 -------------------
 .../react/animated/DivisionAnimatedNode.kt    | 55 ++++++++++++++++
 2 files changed, 55 insertions(+), 64 deletions(-)
 delete mode 100644 packages/react-native/ReactAndroid/src/main/java/com/facebook/react/animated/DivisionAnimatedNode.java
 create mode 100644 packages/react-native/ReactAndroid/src/main/java/com/facebook/react/animated/DivisionAnimatedNode.kt

diff --git a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/animated/DivisionAnimatedNode.java b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/animated/DivisionAnimatedNode.java
deleted file mode 100644
index 1aa5d903c4eeeb..00000000000000
--- a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/animated/DivisionAnimatedNode.java
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
- * Copyright (c) Meta Platforms, Inc. and affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- */
-
-package com.facebook.react.animated;
-
-import com.facebook.react.bridge.JSApplicationCausedNativeException;
-import com.facebook.react.bridge.ReadableArray;
-import com.facebook.react.bridge.ReadableMap;
-
-/**
- * Animated node which takes two or more value node as an input and outputs an in-order division of
- * their values.
- */
-/*package*/ class DivisionAnimatedNode extends ValueAnimatedNode {
-
-  private final NativeAnimatedNodesManager mNativeAnimatedNodesManager;
-  private final int[] mInputNodes;
-
-  public DivisionAnimatedNode(
-      ReadableMap config, NativeAnimatedNodesManager nativeAnimatedNodesManager) {
-    mNativeAnimatedNodesManager = nativeAnimatedNodesManager;
-    ReadableArray inputNodes = config.getArray("input");
-    mInputNodes = new int[inputNodes.size()];
-    for (int i = 0; i < mInputNodes.length; i++) {
-      mInputNodes[i] = inputNodes.getInt(i);
-    }
-  }
-
-  @Override
-  public void update() {
-    for (int i = 0; i < mInputNodes.length; i++) {
-      AnimatedNode animatedNode = mNativeAnimatedNodesManager.getNodeById(mInputNodes[i]);
-      if (animatedNode != null && animatedNode instanceof ValueAnimatedNode) {
-        double value = ((ValueAnimatedNode) animatedNode).getValue();
-        if (i == 0) {
-          nodeValue = value;
-          continue;
-        }
-        if (value == 0) {
-          throw new JSApplicationCausedNativeException(
-              "Detected a division by zero in Animated.divide node with Animated ID " + tag);
-        }
-        nodeValue /= value;
-      } else {
-        throw new JSApplicationCausedNativeException(
-            "Illegal node ID set as an input for Animated.divide node with Animated ID " + tag);
-      }
-    }
-  }
-
-  @Override
-  public String prettyPrint() {
-    return "DivisionAnimatedNode["
-        + tag
-        + "]: input nodes: "
-        + (mInputNodes != null ? mInputNodes.toString() : "null")
-        + " - super: "
-        + super.prettyPrint();
-  }
-}
diff --git a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/animated/DivisionAnimatedNode.kt b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/animated/DivisionAnimatedNode.kt
new file mode 100644
index 00000000000000..b2625bf0f00e21
--- /dev/null
+++ b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/animated/DivisionAnimatedNode.kt
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+package com.facebook.react.animated
+
+import com.facebook.react.bridge.JSApplicationCausedNativeException
+import com.facebook.react.bridge.ReadableMap
+
+/**
+ * Animated node which takes two or more value node as an input and outputs an in-order division of
+ * their values.
+ */
+internal class DivisionAnimatedNode(
+    config: ReadableMap,
+    private val nativeAnimatedNodesManager: NativeAnimatedNodesManager
+) : ValueAnimatedNode() {
+  private val inputNodes: IntArray
+
+  init {
+    val input = config.getArray("input")
+    inputNodes =
+        if (input == null) {
+          IntArray(0)
+        } else {
+          IntArray(input.size()) { i -> input.getInt(i) }
+        }
+  }
+
+  override fun update() {
+    inputNodes.forEachIndexed { i, inputNode ->
+      val animatedNode = nativeAnimatedNodesManager.getNodeById(inputNode)
+      if (animatedNode != null && animatedNode is ValueAnimatedNode) {
+        val v = animatedNode.nodeValue
+        if (i == 0) {
+          nodeValue = v
+        } else if (v == 0.0) {
+          throw JSApplicationCausedNativeException(
+              "Detected a division by zero in Animated.divide node with Animated ID $tag")
+        } else {
+          nodeValue /= v
+        }
+      } else {
+        throw JSApplicationCausedNativeException(
+            "Illegal node ID set as an input for Animated.divide node with Animated ID $tag")
+      }
+    }
+  }
+
+  override fun prettyPrint(): String =
+      "DivisionAnimatedNode[$tag]: input nodes: $inputNodes - super: ${super.prettyPrint()}"
+}