iOS: create C++ <-> ObjC++ connector for FabricUIManager to do UI operations

Reviewed By: shergin

Differential Revision: D7162911

fbshipit-source-id: 3e303020dafdccc51f52c3359a7054dc8a787978

ReactCommon/fabric/FabricUIManager.cpp

@@ -1,14 +1,23 @@
-// Copyright 2004-present Facebook. All Rights Reserved.
+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
 
 #include "FabricUIManager.h"
+
+#include "IFabricPlatformUIOperationManager.h"
 #include "ShadowNode.h"
 
 namespace facebook {
 namespace react {
 
-FabricUIManager::FabricUIManager() {}
+FabricUIManager::FabricUIManager(const std::shared_ptr<IFabricPlatformUIOperationManager> &platformUIOperationManager) :
+  platformUIOperationManager_(platformUIOperationManager) {};
 
 ShadowNodeRef FabricUIManager::createNode(int reactTag, std::string viewName, int rootTag, folly::dynamic props, void *instanceHandle) {
+  platformUIOperationManager_->performUIOperation();
   return std::make_shared<ShadowNode>(reactTag, viewName, rootTag, props, instanceHandle);
 }
 
@@ -41,4 +50,5 @@ void FabricUIManager::appendChildToSet(const ShadowNodeSetRef &childSet, const S
 void FabricUIManager::completeRoot(int rootTag, const ShadowNodeSetRef &childSet) {
 }
 
-}}
+} // namespace react
+} // namespace facebook

ReactCommon/fabric/FabricUIManager.h

@@ -1,4 +1,9 @@
-// Copyright 2004-present Facebook. All Rights Reserved.
+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
 
 #pragma once
 
@@ -10,6 +15,7 @@ namespace facebook {
 namespace react {
 
 class ShadowNode;
+class IFabricPlatformUIOperationManager;
 
 typedef std::shared_ptr<const ShadowNode> ShadowNodeRef;
 typedef folly::fbvector<const ShadowNodeRef> ShadowNodeSet;
@@ -17,7 +23,7 @@ typedef std::shared_ptr<const ShadowNodeSet> ShadowNodeSetRef;
 
 class FabricUIManager {
 public:
-  FabricUIManager();
+  FabricUIManager(const std::shared_ptr<IFabricPlatformUIOperationManager> &platformUIOperationManager);
 
   ShadowNodeRef createNode(int reactTag, std::string viewName, int rootTag, folly::dynamic props, void *instanceHandle);
   ShadowNodeRef cloneNode(const ShadowNodeRef &node);
@@ -28,7 +34,10 @@ public:
   ShadowNodeSetRef createChildSet(int rootTag);
   void appendChildToSet(const ShadowNodeSetRef &childSet, const ShadowNodeRef &childNode);
   void completeRoot(int rootTag, const ShadowNodeSetRef &childSet);
+
+private:
+  std::shared_ptr<IFabricPlatformUIOperationManager> platformUIOperationManager_;
 };
 
-}}
-
+} // namespace react
+} // namespace facebook

ReactCommon/fabric/IFabricPlatformUIOperationManager.h

@@ -0,0 +1,23 @@
+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#pragma once
+
+namespace facebook {
+namespace react {
+
+/**
+ * An interface for FabricUIManager to perform platform-specific UI operations, like updating native UIView's in iOS.
+ */
+class IFabricPlatformUIOperationManager {
+public:
+  // TODO: add meaningful methods
+  virtual void performUIOperation() = 0;
+};
+
+} // namespace react
+} // namespace facebook

ReactCommon/fabric/ShadowNode.cpp

@@ -1,4 +1,9 @@
-// Copyright 2004-present Facebook. All Rights Reserved.
+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
 
 #include "ShadowNode.h"
 

ReactCommon/fabric/ShadowNode.h

@@ -1,4 +1,9 @@
-// Copyright 2004-present Facebook. All Rights Reserved.
+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
 
 #pragma once