From 6ea843ea973072b0f5e149073871ef1c3615fa7d Mon Sep 17 00:00:00 2001
From: Ruslan Shestopalyuk <rshest@meta.com>
Date: Tue, 30 Jul 2024 02:37:50 -0700
Subject: [PATCH] Kotlinify SubtractionAnimatedNode

Differential Revision: D60347765
---
 .../animated/SubtractionAnimatedNode.java     | 60 -------------------
 .../react/animated/SubtractionAnimatedNode.kt | 52 ++++++++++++++++
 2 files changed, 52 insertions(+), 60 deletions(-)
 delete mode 100644 packages/react-native/ReactAndroid/src/main/java/com/facebook/react/animated/SubtractionAnimatedNode.java
 create mode 100644 packages/react-native/ReactAndroid/src/main/java/com/facebook/react/animated/SubtractionAnimatedNode.kt

diff --git a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/animated/SubtractionAnimatedNode.java b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/animated/SubtractionAnimatedNode.java
deleted file mode 100644
index f3b6ac8cab8269..00000000000000
--- a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/animated/SubtractionAnimatedNode.java
+++ /dev/null
@@ -1,60 +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 that plays a role of value aggregator. It takes two or more value nodes as an input
- * and outputs a difference of values outputted by those nodes.
- */
-/*package*/ class SubtractionAnimatedNode extends ValueAnimatedNode {
-
-  private final NativeAnimatedNodesManager mNativeAnimatedNodesManager;
-  private final int[] mInputNodes;
-
-  public SubtractionAnimatedNode(
-      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;
-        } else {
-          nodeValue -= value;
-        }
-      } else {
-        throw new JSApplicationCausedNativeException(
-            "Illegal node ID set as an input for Animated.subtract node");
-      }
-    }
-  }
-
-  @Override
-  public String prettyPrint() {
-    return "SubtractionAnimatedNode["
-        + 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/SubtractionAnimatedNode.kt b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/animated/SubtractionAnimatedNode.kt
new file mode 100644
index 00000000000000..a87eaacc193eb0
--- /dev/null
+++ b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/animated/SubtractionAnimatedNode.kt
@@ -0,0 +1,52 @@
+/*
+ * 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 that plays a role of value aggregator. It takes two or more value nodes as an input
+ * and outputs a difference of values outputted by those nodes.
+ */
+internal class SubtractionAnimatedNode(
+    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() {
+    for (i in inputNodes.indices) {
+      val animatedNode = nativeAnimatedNodesManager.getNodeById(inputNodes[i])
+      if (animatedNode != null && animatedNode is ValueAnimatedNode) {
+        val value = animatedNode.getValue()
+        if (i == 0) {
+          nodeValue = value
+        } else {
+          nodeValue -= value
+        }
+      } else {
+        throw JSApplicationCausedNativeException(
+            "Illegal node ID set as an input for Animated.subtract node")
+      }
+    }
+  }
+
+  override fun prettyPrint(): String =
+      "SubtractionAnimatedNode[$tag]: input nodes: $inputNodes - super: ${super.prettyPrint()}"
+}