Expose ParagraphAttributes into ParagraphState

Summary:
This diff extends ParagraphState to expose not only the AttributedString associated to Text components, but also ParagraphAttributes that describes the visual high level props of the Paragraph

Changelog: [Internal]

Reviewed By: JoshuaGross

Differential Revision: D18101407

fbshipit-source-id: 5f5d5ca35cc03e4bf983fd24654be9506d1901a1

ReactCommon/fabric/components/text/paragraph/ParagraphShadowNode.cpp

@@ -6,6 +6,7 @@
  */
 
 #include "ParagraphShadowNode.h"
+#include <Glog/logging.h>
 #include "ParagraphMeasurementCache.h"
 #include "ParagraphState.h"
 
@@ -54,7 +55,8 @@ void ParagraphShadowNode::updateStateIfNeeded() {
     return;
   }
 
-  setStateData(ParagraphState{attributedString, textLayoutManager_});
+  setStateData(ParagraphState{
+      attributedString, getProps()->paragraphAttributes, textLayoutManager_});
 }
 
 #pragma mark - LayoutableShadowNode

ReactCommon/fabric/components/text/paragraph/ParagraphState.h

@@ -8,6 +8,7 @@
 #pragma once
 
 #include <react/attributedstring/AttributedString.h>
+#include <react/attributedstring/ParagraphAttributes.h>
 #include <react/textlayoutmanager/TextLayoutManager.h>
 
 #ifdef ANDROID
@@ -28,6 +29,12 @@ class ParagraphState final {
    */
   AttributedString attributedString;
 
+  /*
+   * Represents all visual attributes of a paragraph of text represented as
+   * a ParagraphAttributes.
+   */
+  ParagraphAttributes paragraphAttributes;
+
   /*
    * `TextLayoutManager` provides a connection to platform-specific
    * text rendering infrastructure which is capable to render the
@@ -38,8 +45,11 @@ class ParagraphState final {
 #ifdef ANDROID
   ParagraphState(
       AttributedString const &attributedString,
+      ParagraphAttributes const &paragraphAttributes,
       SharedTextLayoutManager const &layoutManager)
-      : attributedString(attributedString), layoutManager(layoutManager) {}
+      : attributedString(attributedString),
+        paragraphAttributes(paragraphAttributes),
+        layoutManager(layoutManager) {}
   ParagraphState() = default;
   ParagraphState(folly::dynamic const &data) {
     assert(false && "Not supported");

ReactCommon/fabric/components/text/paragraph/conversions.h

@@ -16,6 +16,8 @@ namespace react {
 inline folly::dynamic toDynamic(ParagraphState const &paragraphState) {
   folly::dynamic newState = folly::dynamic::object();
   newState["attributedString"] = toDynamic(paragraphState.attributedString);
+  newState["paragraphAttributes"] =
+      toDynamic(paragraphState.paragraphAttributes);
   newState["hash"] = newState["attributedString"]["hash"];
   return newState;
 }