Send invisible as hidden attribute

Summary: This allows UIDebugger to draw them differently in tree and visualiser

Reviewed By: lblasa

Differential Revision: D47915505

fbshipit-source-id: a4d2ef9d653233e3ff24bc26cfe8017f9b51dd2b

android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/ChainedDescriptor.kt

@@ -13,6 +13,8 @@ import com.facebook.flipper.plugins.uidebugger.model.InspectableObject
 import com.facebook.flipper.plugins.uidebugger.model.MetadataId
 import com.facebook.flipper.plugins.uidebugger.util.Immediate
 import com.facebook.flipper.plugins.uidebugger.util.MaybeDeferred
+import kotlinx.serialization.json.JsonElement
+import kotlinx.serialization.json.JsonObject
 
 /**
  * A chained descriptor is a special type of descriptor that models the inheritance hierarchy in
@@ -78,6 +80,32 @@ abstract class ChainedDescriptor<T> : NodeDescriptor<T> {
 
   open fun onGetBounds(node: T): Bounds? = null
 
+  final override fun getHiddenAttributes(node: T): JsonObject? {
+
+    val descriptors = mutableListOf(this)
+
+    var curDescriptor: ChainedDescriptor<T>? = mSuper
+
+    while (curDescriptor != null) {
+      descriptors.add(curDescriptor)
+      curDescriptor = curDescriptor.mSuper
+    }
+
+    // reverse the list so that subclasses can override attributes of the base class if they wish to
+    descriptors.reverse()
+    val builder = mutableMapOf<String, JsonElement>()
+
+    descriptors.forEach { it.onGetHiddenAttributes(node, builder) }
+
+    return if (builder.isNotEmpty()) {
+      JsonObject(builder)
+    } else {
+      null
+    }
+  }
+
+  open fun onGetHiddenAttributes(node: T, attributes: MutableMap<String, JsonElement>) {}
+
   final override fun getChildren(node: T): List<Any> {
     val children = onGetChildren(node) ?: mSuper?.getChildren(node)
     return children ?: listOf()

android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/ViewDescriptor.kt

@@ -25,6 +25,8 @@ import com.facebook.flipper.plugins.uidebugger.common.*
 import com.facebook.flipper.plugins.uidebugger.model.*
 import com.facebook.flipper.plugins.uidebugger.util.ResourcesUtil
 import java.lang.reflect.Field
+import kotlinx.serialization.json.JsonElement
+import kotlinx.serialization.json.JsonPrimitive
 
 object ViewDescriptor : ChainedDescriptor<View>() {
 
@@ -434,6 +436,13 @@ object ViewDescriptor : ChainedDescriptor<View>() {
     return InspectableObject(params)
   }
 
+  override fun onGetHiddenAttributes(node: View, attributes: MutableMap<String, JsonElement>) {
+
+    if (node.visibility != View.VISIBLE) {
+      attributes["invisible"] = JsonPrimitive(true)
+    }
+  }
+
   private fun getViewTags(node: View): MutableMap<Int, Inspectable> {
     val tags = mutableMapOf<Int, Inspectable>()
 

android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/ViewGroupDescriptor.kt

@@ -65,6 +65,7 @@ object ViewGroupDescriptor : ChainedDescriptor<ViewGroup>() {
       node: ViewGroup,
       attributeSections: MutableMap<MetadataId, InspectableObject>
   ) {
+
     val props = mutableMapOf<Int, Inspectable>()
     if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
       props[LayoutModeAttributeId] = LayoutModeMapping.toInspectable(node.layoutMode)