DeviceEventManagerModule.java->.kt (#45813)

Summary:
Pull Request resolved: #45813

# Changelog:
[Internal] -

As in the title.

Differential Revision: D60446332

Author: rshest

packages/react-native/ReactAndroid/api/ReactAndroid.api

@@ -3140,13 +3140,18 @@ public abstract interface class com/facebook/react/modules/core/DefaultHardwareB
 	public abstract fun invokeDefaultOnBackPressed ()V
 }
 
-public class com/facebook/react/modules/core/DeviceEventManagerModule : com/facebook/fbreact/specs/NativeDeviceEventManagerSpec {
+public final class com/facebook/react/modules/core/DeviceEventManagerModule : com/facebook/fbreact/specs/NativeDeviceEventManagerSpec {
+	public static final field Companion Lcom/facebook/react/modules/core/DeviceEventManagerModule$Companion;
+	public static final field NAME Ljava/lang/String;
 	public fun <init> (Lcom/facebook/react/bridge/ReactApplicationContext;Lcom/facebook/react/modules/core/DefaultHardwareBackBtnHandler;)V
-	public fun emitHardwareBackPressed ()V
-	public fun emitNewIntentReceived (Landroid/net/Uri;)V
+	public final fun emitHardwareBackPressed ()V
+	public final fun emitNewIntentReceived (Landroid/net/Uri;)V
 	public fun invokeDefaultBackPressHandler ()V
 }
 
+public final class com/facebook/react/modules/core/DeviceEventManagerModule$Companion {
+}
+
 public abstract interface class com/facebook/react/modules/core/DeviceEventManagerModule$RCTDeviceEventEmitter : com/facebook/react/bridge/JavaScriptModule {
 	public abstract fun emit (Ljava/lang/String;Ljava/lang/Object;)V
 }

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/modules/core/DeviceEventManagerModule.java

@@ -0,0 +1,64 @@
+/*
+ * 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.modules.core
+
+import android.net.Uri
+import com.facebook.proguard.annotations.DoNotStrip
+import com.facebook.react.bridge.Arguments
+import com.facebook.react.bridge.JavaScriptModule
+import com.facebook.react.bridge.ReactApplicationContext
+import com.facebook.react.bridge.UiThreadUtil
+import com.facebook.react.module.annotations.ReactModule
+
+/** Native module that handles device hardware events like hardware back presses. */
+@ReactModule(name = com.facebook.fbreact.specs.NativeDeviceEventManagerSpec.NAME)
+public class DeviceEventManagerModule(
+    reactContext: ReactApplicationContext?,
+    backBtnHandler: DefaultHardwareBackBtnHandler
+) : com.facebook.fbreact.specs.NativeDeviceEventManagerSpec(reactContext) {
+  @DoNotStrip
+  public fun interface RCTDeviceEventEmitter : JavaScriptModule {
+    public fun emit(eventName: String, data: Any?)
+  }
+
+  private val invokeDefaultBackPressRunnable: Runnable = Runnable {
+    UiThreadUtil.assertOnUiThread()
+    backBtnHandler.invokeDefaultOnBackPressed()
+  }
+
+  /** Sends an event to the JS instance that the hardware back has been pressed. */
+  public fun emitHardwareBackPressed() {
+    val reactApplicationContext: ReactApplicationContext? =
+        getReactApplicationContextIfActiveOrWarn()
+    reactApplicationContext?.emitDeviceEvent("hardwareBackPress", null)
+  }
+
+  /** Sends an event to the JS instance that a new intent was received. */
+  public fun emitNewIntentReceived(uri: Uri) {
+    val reactApplicationContext: ReactApplicationContext? =
+        getReactApplicationContextIfActiveOrWarn()
+    val map = Arguments.createMap()
+    map.putString("url", uri.toString())
+    reactApplicationContext?.emitDeviceEvent("url", map)
+  }
+
+  /**
+   * Invokes the default back handler for the host of this catalyst instance. This should be invoked
+   * if JS does not want to handle the back press itself.
+   */
+  override fun invokeDefaultBackPressHandler() {
+    // There should be no need to check if the catalyst instance is alive. After initialization
+    // the thread instances cannot be null, and scheduling on a thread after ReactApplicationContext
+    // teardown is a noop.
+    getReactApplicationContext().runOnUiQueueThread(invokeDefaultBackPressRunnable)
+  }
+
+  public companion object {
+    public const val NAME: String = com.facebook.fbreact.specs.NativeDeviceEventManagerSpec.NAME
+  }
+}