refactored linux sharing platform

sharing/linux/platform/linux_platform_components.h

@@ -0,0 +1,46 @@
+// Copyright 2026 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.
+
+#ifndef SHARING_LINUX_PLATFORM_LINUX_PLATFORM_COMPONENTS_H_
+#define SHARING_LINUX_PLATFORM_LINUX_PLATFORM_COMPONENTS_H_
+
+#include <functional>
+#include <memory>
+
+#include "internal/platform/implementation/device_info.h"
+#include "internal/platform/implementation/linux/bluetooth_adapter.h"
+#include "sharing/internal/api/app_info.h"
+#include "sharing/internal/api/bluetooth_adapter.h"
+#include "sharing/internal/api/network_monitor.h"
+#include "sharing/internal/api/preference_manager.h"
+#include "sharing/internal/api/public_certificate_database.h"
+#include "sharing/internal/api/system_info.h"
+
+namespace nearby::sharing::linux::internal {
+
+std::unique_ptr<nearby::api::NetworkMonitor> CreateLinuxNetworkMonitor(
+    std::function<void(bool)> lan_connected_callback,
+    std::function<void(bool)> internet_connected_callback);
+std::unique_ptr<nearby::api::SystemInfo> CreateLinuxSystemInfo();
+std::unique_ptr<nearby::api::AppInfo> CreateLinuxAppInfo(
+    api::PreferenceManager& preference_manager);
+std::unique_ptr<nearby::api::DeviceInfo> CreateLinuxDeviceInfo();
+std::unique_ptr<api::BluetoothAdapter> CreateLinuxBluetoothAdapter(
+    std::shared_ptr<::nearby::linux::BluetoothAdapter> adapter);
+std::unique_ptr<api::PublicCertificateDatabase>
+CreateLinuxPublicCertificateDatabase();
+
+}  // namespace nearby::sharing::linux::internal
+
+#endif  // SHARING_LINUX_PLATFORM_LINUX_PLATFORM_COMPONENTS_H_