react-native-safe-area-context/android/src/main/java/com/th3rdwave/safeareacontext/SafeAreaProviderManager.kt at 7cfb6caa2e53e445377fd9196196cc3346cb8dbc · appandflow/react-native-safe-area-context · GitHub

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package com.th3rdwave.safeareacontext

import com.facebook.react.bridge.ReactContext
import com.facebook.react.module.annotations.ReactModule
import com.facebook.react.uimanager.ThemedReactContext
import com.facebook.react.uimanager.UIManagerHelper
import com.facebook.react.uimanager.ViewGroupManager
import com.facebook.react.viewmanagers.RNCSafeAreaProviderManagerDelegate
import com.facebook.react.viewmanagers.RNCSafeAreaProviderManagerInterface

@ReactModule(name = SafeAreaProviderManager.REACT_CLASS)
class SafeAreaProviderManager :
    ViewGroupManager<SafeAreaProvider>(), RNCSafeAreaProviderManagerInterface<SafeAreaProvider> {
  private val mDelegate = RNCSafeAreaProviderManagerDelegate(this)

  override fun getDelegate() = mDelegate

  override fun getName() = REACT_CLASS

  public override fun createViewInstance(context: ThemedReactContext) = SafeAreaProvider(context)

  override fun getExportedCustomDirectEventTypeConstants() =
      mutableMapOf(
          InsetsChangeEvent.EVENT_NAME to mutableMapOf("registrationName" to "onInsetsChange")
      )

  override fun addEventEmitters(reactContext: ThemedReactContext, view: SafeAreaProvider) {
    super.addEventEmitters(reactContext, view)
    view.setOnInsetsChangeHandler(::handleOnInsetsChange)
  }

  companion object {
    const val REACT_CLASS = "RNCSafeAreaProvider"
  }
}

private fun handleOnInsetsChange(
    view: SafeAreaProvider,
    insets: EdgeInsets,
    verticalCornerAdaptedInsets: EdgeInsets,
    horizontalCornerAdaptedInsets: EdgeInsets,
    frame: Rect,
) {
  val reactContext = view.context as ReactContext
  val reactTag = view.id
  UIManagerHelper.getEventDispatcherForReactTag(reactContext, reactTag)
      ?.dispatchEvent(
          InsetsChangeEvent(
              getSurfaceId(reactContext),
              reactTag,
              insets,
              verticalCornerAdaptedInsets,
              horizontalCornerAdaptedInsets,
              frame,
          )
      )
}