feat(remote_config): Added remote_config support for Windows

packages/firebase_core/firebase_core/windows/CMakeLists.txt

@@ -65,6 +65,7 @@ list(APPEND PLUGIN_SOURCES
   "firebase_core_plugin.h"
   "messages.g.cpp"
   "messages.g.h"
+  "firebase_plugin_registry.cpp"
 )
 
 # Read version from pubspec.yaml
@@ -89,6 +90,7 @@ include_directories(${CMAKE_BINARY_DIR}/generated/)
 # on PLUGIN_NAME above).
 add_library(${PLUGIN_NAME} STATIC
   "include/firebase_core/firebase_core_plugin_c_api.h"
+  "include/firebase_core/firebase_plugin_registry.h"
   "firebase_core_plugin_c_api.cpp"
   ${PLUGIN_SOURCES}
   ${CMAKE_BINARY_DIR}/generated/firebase_core/plugin_version.h
@@ -120,7 +122,7 @@ add_subdirectory(${FIREBASE_CPP_SDK_DIR} bin/ EXCLUDE_FROM_ALL)
 target_include_directories(${PLUGIN_NAME} INTERFACE
   "${FIREBASE_CPP_SDK_DIR}/include")
 
-set(FIREBASE_RELEASE_PATH_LIBS firebase_app firebase_auth firebase_storage firebase_firestore)
+set(FIREBASE_RELEASE_PATH_LIBS firebase_app firebase_auth firebase_storage firebase_firestore firebase_remote_config)
 foreach(firebase_lib IN ITEMS ${FIREBASE_RELEASE_PATH_LIBS})
     get_target_property(firebase_lib_path ${firebase_lib} IMPORTED_LOCATION)
     string(REPLACE "Debug" "Release" firebase_lib_release_path ${firebase_lib_path})

packages/firebase_core/firebase_core/windows/firebase_core_plugin.cpp

@@ -16,6 +16,7 @@
 #include <flutter/method_channel.h>
 #include <flutter/plugin_registrar_windows.h>
 #include <flutter/standard_method_codec.h>
+#include "include/firebase_core/firebase_plugin_registry.h"
 
 #include <future>
 #include <iostream>
@@ -95,7 +96,17 @@ CoreFirebaseOptions optionsFromFIROptions(const firebase::AppOptions &options) {
 
 // Convert a firebase::App to CoreInitializeResponse
 CoreInitializeResponse AppToCoreInitializeResponse(const App &app) {
+
+  auto firebaseRegistry = FirebasePluginRegistry::GetInstance();
+  std::vector<std::shared_ptr<FlutterFirebasePlugin>>& values = firebaseRegistry->p_constants();
+
   flutter::EncodableMap plugin_constants;
+
+  for (const std::shared_ptr<FlutterFirebasePlugin> &val: values) {
+      flutter::EncodableMap constants = val->get_plugin_constants(app);
+      plugin_constants[flutter::EncodableValue(val->plugin_name().c_str())] = flutter::EncodableValue(constants);
+  }
+
   CoreInitializeResponse response = CoreInitializeResponse(
       app.name(), optionsFromFIROptions(app.options()), plugin_constants);
   return response;

packages/firebase_core/firebase_core/windows/firebase_plugin_registry.cpp

@@ -0,0 +1,27 @@
+// Copyright 2025, the Chromium project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+#include "include/firebase_core/firebase_plugin_registry.h"
+#include "firebase/app.h"
+
+extern firebase_core_windows::FirebasePluginRegistry* registry_instance_  = nullptr;
+
+namespace firebase_core_windows {
+
+    FirebasePluginRegistry* FirebasePluginRegistry::GetInstance() {
+        if (registry_instance_ == nullptr) {
+            registry_instance_ = new FirebasePluginRegistry();
+        }
+
+        return registry_instance_;
+    }
+
+    void FirebasePluginRegistry::put_plugin_ref(std::shared_ptr<FlutterFirebasePlugin> plugin) {
+        this->pConstants_.push_back(plugin);
+    }
+
+    std::vector<std::shared_ptr<FlutterFirebasePlugin>>& FirebasePluginRegistry::p_constants() {
+        return pConstants_;
+    }
+}

packages/firebase_core/firebase_core/windows/include/firebase_core/firebase_plugin_registry.h

@@ -0,0 +1,48 @@
+/*
+ * Copyright 2025, the Chromium project authors.  Please see the AUTHORS file
+ * for details. All rights reserved. Use of this source code is governed by a
+ * BSD-style license that can be found in the LICENSE file.
+ */
+
+#ifndef FLUTTER_FIREBASE_PLUGIN_REGISTRY_H
+#define FLUTTER_FIREBASE_PLUGIN_REGISTRY_H
+
+#ifdef BUILDING_SHARED_DLL
+#define DLL_EXPORT __declspec(dllexport)
+#else
+#define DLL_EXPORT __declspec(dllimport)
+#endif
+
+#include "../../messages.g.h"
+#include "firebase/app.h"
+#include <string>
+#include <map>
+#include "flutter_firebase_plugin.h"
+#include <mutex>
+#include <memory>
+#include <time.h>
+#include <vector>
+
+namespace firebase_core_windows {
+
+    class FirebasePluginRegistry {
+    public:
+
+        static FirebasePluginRegistry *GetInstance();
+
+        void put_plugin_ref(std::shared_ptr <FlutterFirebasePlugin>);
+
+        std::vector <std::shared_ptr<FlutterFirebasePlugin>> &p_constants();
+
+        std::string app_name;
+
+    private:
+        FirebasePluginRegistry() {
+            pConstants_ = {};
+        }
+        std::vector <std::shared_ptr<FlutterFirebasePlugin>> pConstants_;
+        friend class FirebaseCorePlugin;
+    };
+
+}
+#endif //FLUTTER_FIREBASE_PLUGIN_REGISTRY_H

packages/firebase_core/firebase_core/windows/include/firebase_core/flutter_firebase_plugin.h

@@ -0,0 +1,24 @@
+/*
+ * Copyright 2025, the Chromium project authors.  Please see the AUTHORS file
+ * for details. All rights reserved. Use of this source code is governed by a
+ * BSD-style license that can be found in the LICENSE file.
+ */
+
+
+#ifndef FLUTTER_FIREBASE_PLUGIN_H
+#define FLUTTER_FIREBASE_PLUGIN_H
+
+#include <string>
+#include <flutter/encodable_value.h>
+#include "firebase/app.h"
+
+namespace firebase_core_windows {
+
+    class FlutterFirebasePlugin {
+    public:
+        virtual std::string plugin_name() = 0;
+        virtual flutter::EncodableMap get_plugin_constants(const ::firebase::App&) = 0;
+    };
+}
+
+#endif //FLUTTER_FIREBASE_PLUGIN_H

packages/firebase_remote_config/firebase_remote_config/example/lib/firebase_options.dart

@@ -31,10 +31,7 @@ class DefaultFirebaseOptions {
       case TargetPlatform.macOS:
         return macos;
       case TargetPlatform.windows:
-        throw UnsupportedError(
-          'DefaultFirebaseOptions have not been configured for windows - '
-          'you can reconfigure this by running the FlutterFire CLI again.',
-        );
+        return android;
       case TargetPlatform.linux:
         throw UnsupportedError(
           'DefaultFirebaseOptions have not been configured for linux - '

packages/firebase_remote_config/firebase_remote_config/example/lib/home_page.dart

@@ -32,6 +32,7 @@ class _HomePageState extends State<HomePage> {
             onPressed: () async {
               final FirebaseRemoteConfig remoteConfig =
                   FirebaseRemoteConfig.instance;
+              // await remoteConfig.ensureInitialized();
               await remoteConfig.setConfigSettings(
                 RemoteConfigSettings(
                   fetchTimeout: const Duration(seconds: 10),

packages/firebase_remote_config/firebase_remote_config/example/windows/.gitignore

@@ -0,0 +1,17 @@
+flutter/ephemeral/
+
+# Visual Studio user-specific files.
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# Visual Studio build-related files.
+x64/
+x86/
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!*.[Cc]ache/

packages/firebase_remote_config/firebase_remote_config/example/windows/CMakeLists.txt

@@ -0,0 +1,101 @@
+# Project-level configuration.
+cmake_minimum_required(VERSION 3.14)
+project(firebase_core_example LANGUAGES CXX)
+
+# The name of the executable created for the application. Change this to change
+# the on-disk name of your application.
+set(BINARY_NAME "firebase_remote_config_example")
+
+# Explicitly opt in to modern CMake behaviors to avoid warnings with recent
+# versions of CMake.
+cmake_policy(SET CMP0063 NEW)
+
+# Define build configuration option.
+get_property(IS_MULTICONFIG GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
+if(IS_MULTICONFIG)
+  set(CMAKE_CONFIGURATION_TYPES "Debug;Profile;Release"
+    CACHE STRING "" FORCE)
+else()
+  if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
+    set(CMAKE_BUILD_TYPE "Debug" CACHE
+      STRING "Flutter build mode" FORCE)
+    set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS
+      "Debug" "Profile" "Release")
+  endif()
+endif()
+# Define settings for the Profile build mode.
+set(CMAKE_EXE_LINKER_FLAGS_PROFILE "${CMAKE_EXE_LINKER_FLAGS_RELEASE}")
+set(CMAKE_SHARED_LINKER_FLAGS_PROFILE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE}")
+set(CMAKE_C_FLAGS_PROFILE "${CMAKE_C_FLAGS_RELEASE}")
+set(CMAKE_CXX_FLAGS_PROFILE "${CMAKE_CXX_FLAGS_RELEASE}")
+
+# Use Unicode for all projects.
+add_definitions(-DUNICODE -D_UNICODE)
+
+# Compilation settings that should be applied to most targets.
+#
+# Be cautious about adding new options here, as plugins use this function by
+# default. In most cases, you should add new options to specific targets instead
+# of modifying this function.
+function(APPLY_STANDARD_SETTINGS TARGET)
+  target_compile_features(${TARGET} PUBLIC cxx_std_17)
+  target_compile_options(${TARGET} PRIVATE /W4 /WX /wd"4100")
+  target_compile_options(${TARGET} PRIVATE /EHsc)
+  target_compile_definitions(${TARGET} PRIVATE "_HAS_EXCEPTIONS=0")
+  target_compile_definitions(${TARGET} PRIVATE "$<$<CONFIG:Debug>:_DEBUG>")
+endfunction()
+
+# Flutter library and tool build rules.
+set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter")
+add_subdirectory(${FLUTTER_MANAGED_DIR})
+
+# Application build; see runner/CMakeLists.txt.
+add_subdirectory("runner")
+
+# Generated plugin build rules, which manage building the plugins and adding
+# them to the application.
+include(flutter/generated_plugins.cmake)
+
+
+# === Installation ===
+# Support files are copied into place next to the executable, so that it can
+# run in place. This is done instead of making a separate bundle (as on Linux)
+# so that building and running from within Visual Studio will work.
+set(BUILD_BUNDLE_DIR "$<TARGET_FILE_DIR:${BINARY_NAME}>")
+# Make the "install" step default, as it's required to run.
+set(CMAKE_VS_INCLUDE_INSTALL_TO_DEFAULT_BUILD 1)
+if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
+  set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE)
+endif()
+
+set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data")
+set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}")
+
+install(TARGETS ${BINARY_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}"
+  COMPONENT Runtime)
+
+install(FILES "${FLUTTER_ICU_DATA_FILE}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}"
+  COMPONENT Runtime)
+
+install(FILES "${FLUTTER_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+  COMPONENT Runtime)
+
+if(PLUGIN_BUNDLED_LIBRARIES)
+  install(FILES "${PLUGIN_BUNDLED_LIBRARIES}"
+    DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+    COMPONENT Runtime)
+endif()
+
+# Fully re-copy the assets directory on each build to avoid having stale files
+# from a previous install.
+set(FLUTTER_ASSET_DIR_NAME "flutter_assets")
+install(CODE "
+  file(REMOVE_RECURSE \"${INSTALL_BUNDLE_DATA_DIR}/${FLUTTER_ASSET_DIR_NAME}\")
+  " COMPONENT Runtime)
+install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}"
+  DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime)
+
+# Install the AOT library on non-Debug builds only.
+install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}"
+  CONFIGURATIONS Profile;Release
+  COMPONENT Runtime)