From 89911acd845020c0afb4a8aafee0ee25551a2033 Mon Sep 17 00:00:00 2001
From: Roman Gorbunov <flyrise@fb.com>
Date: Thu, 25 Jul 2019 03:59:05 -0700
Subject: [PATCH] Made a DataStorage for live editing in flipper

Summary: Theadsafe Data Storage for new insets in CKInsetComponent

Reviewed By: kevin0571

Differential Revision: D16338091

fbshipit-source-id: 3b77652a4d08cfebce115a606af3fc3440a1aca0
---
 .../FKDataStorageForLiveEditing.h             | 16 ++++++++++++
 .../FKDataStorageForLiveEditing.mm            | 26 +++++++++++++++++++
 2 files changed, 42 insertions(+)
 create mode 100644 iOS/Plugins/FlipperKitLayoutPlugin/FlipperKitLayoutComponentKitSupport/FKDataStorageForLiveEditing.h
 create mode 100644 iOS/Plugins/FlipperKitLayoutPlugin/FlipperKitLayoutComponentKitSupport/FKDataStorageForLiveEditing.mm

diff --git a/iOS/Plugins/FlipperKitLayoutPlugin/FlipperKitLayoutComponentKitSupport/FKDataStorageForLiveEditing.h b/iOS/Plugins/FlipperKitLayoutPlugin/FlipperKitLayoutComponentKitSupport/FKDataStorageForLiveEditing.h
new file mode 100644
index 000000000..157de45c8
--- /dev/null
+++ b/iOS/Plugins/FlipperKitLayoutPlugin/FlipperKitLayoutComponentKitSupport/FKDataStorageForLiveEditing.h
@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the LICENSE
+ * file in the root directory of this source tree.
+ */
+#import <ComponentKit/CKTreeNodeTypes.h>
+
+ /** DataStorage uses to map global IDs of nodes to data which we want to store
+to prodice live editing*/
+@interface FKDataStorageForLiveEditing : NSObject
+
+- (id)dataForTreeNodeIdentifier:(CKTreeNodeIdentifier)treeNodeIdentifier;
+- (void)setData:(id)value forTreeNodeIdentifier:(CKTreeNodeIdentifier)treeNodeIdentifier;
+
+@end
diff --git a/iOS/Plugins/FlipperKitLayoutPlugin/FlipperKitLayoutComponentKitSupport/FKDataStorageForLiveEditing.mm b/iOS/Plugins/FlipperKitLayoutPlugin/FlipperKitLayoutComponentKitSupport/FKDataStorageForLiveEditing.mm
new file mode 100644
index 000000000..88e425c9d
--- /dev/null
+++ b/iOS/Plugins/FlipperKitLayoutPlugin/FlipperKitLayoutComponentKitSupport/FKDataStorageForLiveEditing.mm
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the LICENSE
+ * file in the root directory of this source tree.
+ */
+#import "FKDataStorageForLiveEditing.h"
+#import <ComponentKit/CKComponentScopeTypes.h>
+#import <mutex>
+
+@implementation FKDataStorageForLiveEditing {
+  std::unordered_map<CKTreeNodeIdentifier, id> _data;
+  std::mutex _mutex;
+}
+
+- (void)setData:(id)value forTreeNodeIdentifier:(CKTreeNodeIdentifier)treeNodeIdentifier {
+  std::lock_guard<std::mutex> lock(_mutex);
+  _data[treeNodeIdentifier] = value;
+}
+
+- (id)dataForTreeNodeIdentifier:(CKTreeNodeIdentifier)treeNodeIdentifier {
+  std::lock_guard<std::mutex> lock(_mutex);
+  return (_data.count(treeNodeIdentifier) ? _data[treeNodeIdentifier] : nil);
+}
+
+@end