[RUM-9424] Session Replay support for RN 0.79

packages/react-native-session-replay/android/build.gradle

@@ -135,7 +135,9 @@ android {
         java.srcDirs += ['src/oldarch/kotlin']
       }
 
-      if (reactNativeMinorVersion >= 76) {
+      if (reactNativeMinorVersion >= 79) {
+        java.srcDirs += ['src/rn79/kotlin']
+      } else if (reactNativeMinorVersion >= 76) {
         java.srcDirs += ['src/rn76/kotlin']
       } else if (reactNativeMinorVersion >= 75) {
         java.srcDirs += ['src/rn75/kotlin']

packages/react-native-session-replay/android/src/rn79/kotlin/com/datadog/reactnative/sessionreplay/extensions/LengthPercentageExt.kt

@@ -0,0 +1,13 @@
+/*
+ * Unless explicitly stated otherwise all files in this repository are licensed under the Apache License Version 2.0.
+ * This product includes software developed at Datadog (https://www.datadoghq.com/).
+ * Copyright 2016-Present Datadog, Inc.
+ */
+package com.datadog.reactnative.sessionreplay.extensions
+
+import com.facebook.react.uimanager.LengthPercentage
+
+internal fun LengthPercentage?.getRadius(width: Float, height: Float) = this
+    ?.resolve(width, height)
+    ?.let { (it.horizontal + it.vertical) / 2f }
+    ?: 0f

packages/react-native-session-replay/android/src/rn79/kotlin/com/datadog/reactnative/sessionreplay/utils/ReactViewBackgroundDrawableUtils.kt

@@ -0,0 +1,111 @@
+/*
+ * Unless explicitly stated otherwise all files in this repository are licensed under the Apache License Version 2.0.
+ * This product includes software developed at Datadog (https://www.datadoghq.com/).
+ * Copyright 2016-Present Datadog, Inc.
+ */
+import android.graphics.drawable.Drawable
+import android.graphics.drawable.InsetDrawable
+import android.graphics.drawable.LayerDrawable
+import com.datadog.android.sessionreplay.model.MobileSegment
+import com.datadog.reactnative.sessionreplay.extensions.getRadius
+import com.datadog.reactnative.sessionreplay.utils.DrawableUtils
+import com.datadog.reactnative.sessionreplay.utils.formatAsRgba
+import com.facebook.react.common.annotations.UnstableReactNativeAPI
+import com.facebook.react.uimanager.LengthPercentage
+import com.facebook.react.uimanager.Spacing
+import com.facebook.react.uimanager.drawable.CSSBackgroundDrawable
+
+internal class ReactViewBackgroundDrawableUtils : DrawableUtils() {
+    @OptIn(UnstableReactNativeAPI::class)
+    override fun resolveShapeAndBorder(
+        drawable: Drawable,
+        opacity: Float,
+        pixelDensity: Float
+    ): Pair<MobileSegment.ShapeStyle?, MobileSegment.ShapeBorder?> {
+        if (drawable !is CSSBackgroundDrawable) {
+            return null to null
+        }
+
+        val borderProps = resolveBorder(drawable, pixelDensity)
+        val backgroundColor = getBackgroundColor(drawable)
+        val colorHexString = if (backgroundColor != null) {
+            formatAsRgba(backgroundColor)
+        } else {
+            return null to borderProps
+        }
+
+        return MobileSegment.ShapeStyle(
+            colorHexString,
+            opacity,
+            getBorderRadius(drawable)
+        ) to borderProps
+    }
+
+    @OptIn(UnstableReactNativeAPI::class)
+    override fun getReactBackgroundFromDrawable(drawable: Drawable?): Drawable? {
+        return when(drawable) {
+            is CSSBackgroundDrawable -> drawable
+            is InsetDrawable -> getReactBackgroundFromDrawable(drawable.drawable)
+            is LayerDrawable -> getDrawableFromLayerDrawable(drawable)
+            else -> null
+        }
+    }
+
+    @OptIn(UnstableReactNativeAPI::class)
+    private fun getDrawableFromLayerDrawable(layerDrawable: LayerDrawable): Drawable? {
+        for (layerNumber in 0 until layerDrawable.numberOfLayers) {
+            val layer = layerDrawable.getDrawable(layerNumber)
+            if (layer is CSSBackgroundDrawable) {
+                return layer
+            }
+        }
+        return null
+    }
+
+    @OptIn(UnstableReactNativeAPI::class)
+    private fun getBorderRadius(drawable: CSSBackgroundDrawable): Float {
+        val width = drawable.intrinsicWidth.toFloat()
+        val height = drawable.intrinsicHeight.toFloat()
+        val uniform = getBorderRadiusUniform(drawable)
+        return uniform?.getRadius(width, height) ?: 0f
+    }
+
+    @OptIn(UnstableReactNativeAPI::class)
+    private fun getBorderRadiusUniform(
+        drawable: CSSBackgroundDrawable
+    ): LengthPercentage? {
+        return reflectionUtils.getDeclaredField(
+            drawable.borderRadius,
+            UNIFORM_FIELD_NAME
+        ) as? LengthPercentage
+    }
+
+    @OptIn(UnstableReactNativeAPI::class)
+    private fun getBackgroundColor(
+        backgroundDrawable: CSSBackgroundDrawable
+    ): Int? {
+        return reflectionUtils.getDeclaredField(
+            backgroundDrawable,
+            COLOR_FIELD_NAME
+        ) as? Int
+    }
+
+    @OptIn(UnstableReactNativeAPI::class)
+    private fun resolveBorder(
+        backgroundDrawable: CSSBackgroundDrawable,
+        pixelDensity: Float
+    ): MobileSegment.ShapeBorder {
+        val borderWidth = (backgroundDrawable.fullBorderWidth / pixelDensity).toLong()
+        val borderColor = formatAsRgba(backgroundDrawable.getBorderColor(Spacing.ALL))
+
+        return MobileSegment.ShapeBorder(
+            color = borderColor,
+            width = borderWidth
+        )
+    }
+
+    private companion object {
+        private const val COLOR_FIELD_NAME = "mColor"
+        private const val UNIFORM_FIELD_NAME = "uniform"
+    }
+}