initial commit taken from gitlab.lrz.de

node_modules/react-native/React/Fabric/RCTFabricPlatformUIOperationManager.h

@@ -0,0 +1,46 @@
+/**
+ * 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.
+ */
+
+#import <Foundation/Foundation.h>
+#import <UIKit/UIKit.h>
+
+#import <memory>
+
+#include <fabric/IFabricPlatformUIOperationManager.h>
+
+@class RCTFabricPlatformUIOperationManager;
+
+namespace facebook {
+namespace react {
+
+/**
+ * Connector class (from C++ to ObjC++) to allow FabricUIManager to invoke native UI operations/updates.
+ * UIKit-related impl doesn't live here, but this class gets passed to the FabricUIManager C++ impl directly.
+ */
+class RCTFabricPlatformUIOperationManagerConnector : public IFabricPlatformUIOperationManager {
+public:
+  RCTFabricPlatformUIOperationManagerConnector();
+  ~RCTFabricPlatformUIOperationManagerConnector();
+
+  void performUIOperation();
+
+private:
+  void *self_;
+  RCTFabricPlatformUIOperationManager *manager_;
+};
+
+} // namespace react
+} // namespace facebook
+
+/**
+ * Actual ObjC++ implementation of the UI operations.
+ */
+@interface RCTFabricPlatformUIOperationManager : NSObject
+
+- (void)performUIOperation;
+
+@end

node_modules/react-native/React/Fabric/RCTFabricPlatformUIOperationManager.mm

@@ -0,0 +1,48 @@
+/**
+ * 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.
+ */
+
+#import "RCTFabricPlatformUIOperationManager.h"
+
+namespace facebook {
+namespace react {
+
+RCTFabricPlatformUIOperationManagerConnector::RCTFabricPlatformUIOperationManagerConnector() {
+  self_ = (__bridge_retained void *)[RCTFabricPlatformUIOperationManager new];
+  manager_ = (__bridge RCTFabricPlatformUIOperationManager *)self_;
+}
+
+RCTFabricPlatformUIOperationManagerConnector::~RCTFabricPlatformUIOperationManagerConnector() {
+  CFRelease(self_);
+  self_ = NULL;
+  manager_ = NULL;
+}
+
+void RCTFabricPlatformUIOperationManagerConnector::performUIOperation() {
+  [manager_ performUIOperation];
+}
+
+} // namespace react
+} // namespace facebook
+
+// -----------------------------------------------------------------------------
+// Start of ObjC++ impl
+// Access UIKit here.
+// -----------------------------------------------------------------------------
+@implementation RCTFabricPlatformUIOperationManager
+
+- (void)dealloc
+{
+  NSLog(@"RCTFabricPlatformUIOperationManager: dealloc()");
+}
+
+- (void)performUIOperation
+{
+  // TODO
+  NSLog(@"RCTFabricPlatformUIOperationManager: performUIOperation()");
+}
+
+@end

node_modules/react-native/React/Fabric/RCTFabricUIManagerWrapper.h

@@ -0,0 +1,44 @@
+/**
+ * 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.
+ */
+
+#import <UIKit/UIKit.h>
+
+#import <memory>
+
+#import <React/RCTBridge.h>
+#import <React/RCTInvalidating.h>
+#import <React/RCTShadowView.h>
+
+namespace facebook {
+namespace react {
+
+class FabricUIManager;
+
+} // namespace react
+} // namespace facebook
+
+using namespace facebook::react;
+
+/**
+ * An ObjC++ wrapper around the C++ FabricUIManager instance, so that the RCTCxxBridge can access it as needed.
+ */
+@interface RCTFabricUIManagerWrapper : NSObject <RCTInvalidating>
+
+- (std::shared_ptr<FabricUIManager>)manager;
+
+@end
+
+@interface RCTBridge (RCTFabricUIManagerWrapper)
+
+/**
+ * To access via the bridge:
+ *
+ *   std::shared_ptr<FabricUIManager> fabricUIManager = [_bridge fabricUIManager];
+ */
+- (std::shared_ptr<FabricUIManager>)fabricUIManager;
+
+@end

node_modules/react-native/React/Fabric/RCTFabricUIManagerWrapper.mm

@@ -0,0 +1,53 @@
+/**
+ * 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.
+ */
+
+#import "RCTFabricUIManagerWrapper.h"
+
+#include <fabric/FabricUIManager.h>
+
+#import "RCTFabricPlatformUIOperationManager.h"
+
+// This file contains experimental placeholders, nothing is finalized.
+@implementation RCTFabricUIManagerWrapper
+{
+  std::shared_ptr<FabricUIManager> _manager;
+  std::shared_ptr<IFabricPlatformUIOperationManager> _platformUIOperationManager;
+}
+
+- (instancetype)init
+{
+  self = [super init];
+  if (self) {
+    _platformUIOperationManager = std::make_shared<RCTFabricPlatformUIOperationManagerConnector>();
+    _manager = std::make_shared<FabricUIManager>(_platformUIOperationManager);
+  }
+  return self;
+}
+
+- (std::shared_ptr<FabricUIManager>)manager
+{
+  return _manager;
+}
+
+- (void)invalidate
+{
+}
+
+@end
+
+@implementation RCTBridge (RCTFabricUIManagerWrapper)
+
+- (std::shared_ptr<FabricUIManager>)fabricUIManager
+{
+  RCTFabricUIManagerWrapper *wrapper = [self jsBoundExtraModuleForClass:[RCTFabricUIManagerWrapper class]];
+  if (wrapper) {
+    return [wrapper manager];
+  }
+  return nullptr;
+}
+
+@end

node_modules/react-native/React/Fabric/Surface/RCTFabricSurface.h

@@ -0,0 +1,16 @@
+/**
+ * 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.
+ */
+
+#import <React/RCTSurface.h>
+
+/**
+ * Fabric-compatible RCTSurface implementation.
+ * It may not continue extending from RCTSurface in the future.
+ */
+@interface RCTFabricSurface : RCTSurface
+
+@end

node_modules/react-native/React/Fabric/Surface/RCTFabricSurface.mm

@@ -0,0 +1,22 @@
+/**
+ * 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.
+ */
+
+#import "RCTFabricSurface.h"
+
+#import <React/RCTBridge.h>
+
+@implementation RCTFabricSurface
+
+- (void)unmountReactComponentWithBridge:(RCTBridge *)bridge rootViewTag:(NSNumber *)rootViewTag
+{
+  [bridge enqueueJSCall:@"ReactFabric"
+                 method:@"unmountComponentAtNodeAndRemoveContainer"
+                   args:@[rootViewTag]
+             completion:NULL];
+}
+
+@end

node_modules/react-native/React/Fabric/Surface/RCTFabricSurfaceHostingProxyRootView.h

@@ -0,0 +1,16 @@
+/**
+ * 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.
+ */
+
+#import <React/RCTSurfaceHostingProxyRootView.h>
+
+/**
+ * Fabric-compatible RCTSurfaceHostingProxyRootView implementation.
+ */
+@interface RCTFabricSurfaceHostingProxyRootView : RCTSurfaceHostingProxyRootView
+
+@end
+

node_modules/react-native/React/Fabric/Surface/RCTFabricSurfaceHostingProxyRootView.mm

@@ -0,0 +1,19 @@
+/**
+ * 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.
+ */
+
+#import "RCTFabricSurfaceHostingProxyRootView.h"
+
+#import "RCTFabricSurface.h"
+
+@implementation RCTFabricSurfaceHostingProxyRootView
+
+- (RCTSurface *)createSurfaceWithBridge:(RCTBridge *)bridge moduleName:(NSString *)moduleName initialProperties:(NSDictionary *)initialProperties
+{
+  return [[RCTFabricSurface alloc] initWithBridge:bridge moduleName:moduleName initialProperties:initialProperties];
+}
+
+@end

node_modules/react-native/React/Fabric/Surface/RCTFabricSurfaceHostingView.h

@@ -0,0 +1,16 @@
+/**
+ * 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.
+ */
+
+#import <React/RCTSurfaceHostingView.h>
+
+/**
+ * Fabric-compatible RCTSurfaceHostingView implementation.
+ */
+@interface RCTFabricSurfaceHostingView : RCTSurfaceHostingView
+
+@end
+

node_modules/react-native/React/Fabric/Surface/RCTFabricSurfaceHostingView.mm

@@ -0,0 +1,25 @@
+/**
+ * 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.
+ */
+
+#import "RCTFabricSurfaceHostingView.h"
+
+#import "RCTFabricSurface.h"
+
+@implementation RCTFabricSurfaceHostingView
+
+- (instancetype)initWithBridge:(RCTBridge *)bridge
+                    moduleName:(NSString *)moduleName
+             initialProperties:(NSDictionary *)initialProperties
+{
+  RCTFabricSurface *surface = [[RCTFabricSurface alloc] initWithBridge:bridge
+                                                            moduleName:moduleName
+                                                     initialProperties:initialProperties];
+  return [self initWithSurface:surface];
+}
+
+@end
+