From 5fb7f698304b1599a6b3c49bf55059146b16dab6 Mon Sep 17 00:00:00 2001
From: Nick Bourdakos <bourdakos@google.com>
Date: Tue, 23 Jan 2024 08:01:14 -0800
Subject: [PATCH] Expose `NearbyFlags` through Objective-C package so BLE v2
 can more easily be enabled in the Swift SDK

PiperOrigin-RevId: 600790011
---
 connections/swift/NearbyCoreAdapter/BUILD     |  4 ++-
 .../NearbyCoreAdapter/Sources/GNCFlags.mm     | 36 +++++++++++++++++++
 .../Public/NearbyCoreAdapter/GNCFlags.h       | 23 ++++++++++++
 .../NearbyCoreAdapter/NearbyCoreAdapter.h     |  1 +
 4 files changed, 63 insertions(+), 1 deletion(-)
 create mode 100644 connections/swift/NearbyCoreAdapter/Sources/GNCFlags.mm
 create mode 100644 connections/swift/NearbyCoreAdapter/Sources/Public/NearbyCoreAdapter/GNCFlags.h

diff --git a/connections/swift/NearbyCoreAdapter/BUILD b/connections/swift/NearbyCoreAdapter/BUILD
index e6103c51..7b588d83 100644
--- a/connections/swift/NearbyCoreAdapter/BUILD
+++ b/connections/swift/NearbyCoreAdapter/BUILD
@@ -12,9 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+load("//third_party/nearby:minimum_os.bzl", "IOS_LATEST_TEST_RUNNER", "IOS_MINIMUM_OS")
 load("//tools/build_defs/apple:ios.bzl", "ios_unit_test")
 load("//tools/build_defs/swift:swift_library.bzl", "swift_library")
-load("//third_party/nearby:minimum_os.bzl", "IOS_LATEST_TEST_RUNNER", "IOS_MINIMUM_OS")
 
 licenses(["notice"])
 
@@ -33,6 +33,8 @@ objc_library(
     deps = [
         "//connections:core",
         "//connections:core_types",
+        "//connections/implementation/flags:connections_flags",
+        "//internal/flags:nearby_flags",
         "//internal/platform:base",
         "//internal/platform/implementation/apple",  # buildcleaner: keep
         "//third_party/apple_frameworks:Foundation",
diff --git a/connections/swift/NearbyCoreAdapter/Sources/GNCFlags.mm b/connections/swift/NearbyCoreAdapter/Sources/GNCFlags.mm
new file mode 100644
index 00000000..7b5cb6ba
--- /dev/null
+++ b/connections/swift/NearbyCoreAdapter/Sources/GNCFlags.mm
@@ -0,0 +1,36 @@
+// Copyright 2024 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#import "connections/swift/NearbyCoreAdapter/Sources/Public/NearbyCoreAdapter/GNCFlags.h"
+
+#import <Foundation/Foundation.h>
+
+#include <memory>
+
+#include "connections/implementation/flags/nearby_connections_feature_flags.h"
+#include "internal/flags/nearby_flags.h"
+
+@implementation GNCFlags
+
++ (BOOL)enableBLEV2 {
+  return nearby::NearbyFlags::GetInstance().GetBoolFlag(
+      nearby::connections::config_package_nearby::nearby_connections_feature::kEnableBleV2);
+}
+
++ (void)setEnableBLEV2:(BOOL)value {
+  nearby::NearbyFlags::GetInstance().OverrideBoolFlagValue(
+      nearby::connections::config_package_nearby::nearby_connections_feature::kEnableBleV2, value);
+}
+
+@end
diff --git a/connections/swift/NearbyCoreAdapter/Sources/Public/NearbyCoreAdapter/GNCFlags.h b/connections/swift/NearbyCoreAdapter/Sources/Public/NearbyCoreAdapter/GNCFlags.h
new file mode 100644
index 00000000..19b953a5
--- /dev/null
+++ b/connections/swift/NearbyCoreAdapter/Sources/Public/NearbyCoreAdapter/GNCFlags.h
@@ -0,0 +1,23 @@
+// Copyright 2024 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#import <Foundation/Foundation.h>
+
+/** A utility class for accessing and overriding Nearby feature flags. */
+@interface GNCFlags : NSObject
+
+/** Whether BLE v2 is enabled in the Nearby Connections SDK. */
+@property(nonatomic, class) BOOL enableBLEV2;
+
+@end
diff --git a/connections/swift/NearbyCoreAdapter/Sources/Public/NearbyCoreAdapter/NearbyCoreAdapter.h b/connections/swift/NearbyCoreAdapter/Sources/Public/NearbyCoreAdapter/NearbyCoreAdapter.h
index 26d37bbc..1c034feb 100644
--- a/connections/swift/NearbyCoreAdapter/Sources/Public/NearbyCoreAdapter/NearbyCoreAdapter.h
+++ b/connections/swift/NearbyCoreAdapter/Sources/Public/NearbyCoreAdapter/NearbyCoreAdapter.h
@@ -19,6 +19,7 @@
 #import "GNCDiscoveryDelegate.h"
 #import "GNCDiscoveryOptions.h"
 #import "GNCError.h"
+#import "GNCFlags.h"
 #import "GNCPayload.h"
 #import "GNCPayloadDelegate.h"
 #import "GNCStrategy.h"