Pass x and y to measure callback

Summary:
Changelog: [internal]

Previous implementation of "measure" in UIManagerBinding returned 0, 0 for x and y coordinates.

Reviewed By: shergin

Differential Revision: D25681586

fbshipit-source-id: fa69b6d4803f083a8299e00cae8bb59932c8bf78

ReactCommon/react/renderer/uimanager/UIManager.h

@@ -74,6 +74,9 @@ class UIManager final : public ShadowTreeDelegate {
   void registerCommitHook(UIManagerCommitHook const &commitHook) const;
   void unregisterCommitHook(UIManagerCommitHook const &commitHook) const;
 
+  ShadowNode::Shared getNewestCloneOfShadowNode(
+      ShadowNode const &shadowNode) const;
+
 #pragma mark - ShadowTreeDelegate
 
   void shadowTreeDidFinishTransaction(
@@ -125,9 +128,6 @@ class UIManager final : public ShadowTreeDelegate {
       ShadowNode::Shared const &shadowNode,
       Point point) const;
 
-  ShadowNode::Shared getNewestCloneOfShadowNode(
-      ShadowNode const &shadowNode) const;
-
   /*
    * Returns layout metrics of given `shadowNode` relative to
    * `ancestorShadowNode` (relative to the root node in case if provided

ReactCommon/react/renderer/uimanager/UIManagerBinding.cpp

@@ -7,10 +7,10 @@
 
 #include "UIManagerBinding.h"
 
-#include <react/renderer/debug/SystraceSection.h>
-
 #include <glog/logging.h>
 #include <jsi/JSIDynamic.h>
+#include <react/renderer/core/LayoutableShadowNode.h>
+#include <react/renderer/debug/SystraceSection.h>
 
 namespace facebook {
 namespace react {
@@ -594,10 +594,9 @@ jsi::Value UIManagerBinding::get(
             jsi::Value const &thisValue,
             jsi::Value const *arguments,
             size_t count) noexcept->jsi::Value {
+          auto shadowNode = shadowNodeFromValue(runtime, arguments[0]);
           auto layoutMetrics = uiManager->getRelativeLayoutMetrics(
-              *shadowNodeFromValue(runtime, arguments[0]),
-              nullptr,
-              {/* .includeTransform = */ true});
+              *shadowNode, nullptr, {/* .includeTransform = */ true});
           auto onSuccessFunction =
               arguments[1].getObject(runtime).getFunction(runtime);
 
@@ -605,12 +604,20 @@ jsi::Value UIManagerBinding::get(
             onSuccessFunction.call(runtime, {0, 0, 0, 0, 0, 0});
             return jsi::Value::undefined();
           }
+          auto newestCloneOfShadowNode =
+              uiManager->getNewestCloneOfShadowNode(*shadowNode);
+
+          auto layoutableShadowNode = traitCast<LayoutableShadowNode const *>(
+              newestCloneOfShadowNode.get());
+          Point originRelativeToParent = layoutableShadowNode
+              ? layoutableShadowNode->getLayoutMetrics().frame.origin
+              : Point();
 
           auto frame = layoutMetrics.frame;
           onSuccessFunction.call(
               runtime,
-              {0,
-               0,
+              {jsi::Value{runtime, (double)originRelativeToParent.x},
+               jsi::Value{runtime, (double)originRelativeToParent.y},
                jsi::Value{runtime, (double)frame.size.width},
                jsi::Value{runtime, (double)frame.size.height},
                jsi::Value{runtime, (double)frame.origin.x},