Merge pull request #1 from mabDc/master

add linux default

example/linux/.gitignore

@@ -0,0 +1 @@
+flutter/ephemeral

example/linux/CMakeLists.txt

@@ -0,0 +1,99 @@
+cmake_minimum_required(VERSION 3.10)
+project(runner LANGUAGES CXX)
+
+set(BINARY_NAME "flutter_qjs_example")
+set(APPLICATION_ID "soko.ekibun.flutter_qjs")
+
+cmake_policy(SET CMP0063 NEW)
+
+set(CMAKE_INSTALL_RPATH "$ORIGIN/lib")
+
+# Configure build options.
+if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
+  set(CMAKE_BUILD_TYPE "Debug" CACHE
+    STRING "Flutter build mode" FORCE)
+  set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS
+    "Debug" "Profile" "Release")
+endif()
+
+# Compilation settings that should be applied to most targets.
+function(APPLY_STANDARD_SETTINGS TARGET)
+  target_compile_features(${TARGET} PUBLIC cxx_std_17)
+  # target_compile_options(${TARGET} PRIVATE -Wall -Werror)
+  target_compile_options(${TARGET} PRIVATE -Wall)
+  target_compile_options(${TARGET} PRIVATE "$<$<NOT:$<CONFIG:Debug>>:-O3>")
+  target_compile_definitions(${TARGET} PRIVATE "$<$<NOT:$<CONFIG:Debug>>:NDEBUG>")
+endfunction()
+
+set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter")
+
+# Flutter library and tool build rules.
+add_subdirectory(${FLUTTER_MANAGED_DIR})
+
+# System-level dependencies.
+find_package(PkgConfig REQUIRED)
+pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0)
+
+add_definitions(-DAPPLICATION_ID="${APPLICATION_ID}")
+
+# Application build
+add_executable(${BINARY_NAME}
+  "main.cc"
+  "my_application.cc"
+  "${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc"
+)
+apply_standard_settings(${BINARY_NAME})
+target_link_libraries(${BINARY_NAME} PRIVATE flutter)
+target_link_libraries(${BINARY_NAME} PRIVATE PkgConfig::GTK)
+add_dependencies(${BINARY_NAME} flutter_assemble)
+
+# Generated plugin build rules, which manage building the plugins and adding
+# them to the application.
+include(flutter/generated_plugins.cmake)
+
+
+# === Installation ===
+# By default, "installing" just makes a relocatable bundle in the build
+# directory.
+set(BUILD_BUNDLE_DIR "${PROJECT_BINARY_DIR}/bundle")
+if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
+  set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE)
+endif()
+
+# Start with a clean build bundle directory every time.
+install(CODE "
+  file(REMOVE_RECURSE \"${BUILD_BUNDLE_DIR}/\")
+  " COMPONENT Runtime)
+
+set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data")
+set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}/lib")
+
+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 "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime)
+
+# Install the AOT library on non-Debug builds only.
+if(NOT CMAKE_BUILD_TYPE MATCHES "Debug")
+  install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+    COMPONENT Runtime)
+endif()

example/linux/flutter/CMakeLists.txt

@@ -0,0 +1,86 @@
+cmake_minimum_required(VERSION 3.10)
+
+set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral")
+
+# Configuration provided via flutter tool.
+include(${EPHEMERAL_DIR}/generated_config.cmake)
+
+# TODO: Move the rest of this into files in ephemeral. See
+# https://github.com/flutter/flutter/issues/57146.
+
+# Serves the same purpose as list(TRANSFORM ... PREPEND ...),
+# which isn't available in 3.10.
+function(list_prepend LIST_NAME PREFIX)
+    set(NEW_LIST "")
+    foreach(element ${${LIST_NAME}})
+        list(APPEND NEW_LIST "${PREFIX}${element}")
+    endforeach(element)
+    set(${LIST_NAME} "${NEW_LIST}" PARENT_SCOPE)
+endfunction()
+
+# === Flutter Library ===
+# System-level dependencies.
+find_package(PkgConfig REQUIRED)
+pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0)
+pkg_check_modules(GLIB REQUIRED IMPORTED_TARGET glib-2.0)
+pkg_check_modules(GIO REQUIRED IMPORTED_TARGET gio-2.0)
+
+set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/libflutter_linux_gtk.so")
+
+# Published to parent scope for install step.
+set(FLUTTER_LIBRARY ${FLUTTER_LIBRARY} PARENT_SCOPE)
+set(FLUTTER_ICU_DATA_FILE "${EPHEMERAL_DIR}/icudtl.dat" PARENT_SCOPE)
+set(PROJECT_BUILD_DIR "${PROJECT_DIR}/build/" PARENT_SCOPE)
+set(AOT_LIBRARY "${PROJECT_DIR}/build/lib/libapp.so" PARENT_SCOPE)
+
+list(APPEND FLUTTER_LIBRARY_HEADERS
+  "fl_basic_message_channel.h"
+  "fl_binary_codec.h"
+  "fl_binary_messenger.h"
+  "fl_dart_project.h"
+  "fl_engine.h"
+  "fl_json_message_codec.h"
+  "fl_json_method_codec.h"
+  "fl_message_codec.h"
+  "fl_method_call.h"
+  "fl_method_channel.h"
+  "fl_method_codec.h"
+  "fl_method_response.h"
+  "fl_plugin_registrar.h"
+  "fl_plugin_registry.h"
+  "fl_standard_message_codec.h"
+  "fl_standard_method_codec.h"
+  "fl_string_codec.h"
+  "fl_value.h"
+  "fl_view.h"
+  "flutter_linux.h"
+)
+list_prepend(FLUTTER_LIBRARY_HEADERS "${EPHEMERAL_DIR}/flutter_linux/")
+add_library(flutter INTERFACE)
+target_include_directories(flutter INTERFACE
+  "${EPHEMERAL_DIR}"
+)
+target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}")
+target_link_libraries(flutter INTERFACE
+  PkgConfig::GTK
+  PkgConfig::GLIB
+  PkgConfig::GIO
+)
+add_dependencies(flutter flutter_assemble)
+
+# === Flutter tool backend ===
+# _phony_ is a non-existent file to force this command to run every time,
+# since currently there's no way to get a full input/output list from the
+# flutter tool.
+add_custom_command(
+  OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS}
+    ${CMAKE_CURRENT_BINARY_DIR}/_phony_
+  COMMAND ${CMAKE_COMMAND} -E env
+    ${FLUTTER_TOOL_ENVIRONMENT}
+    "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.sh"
+      linux-x64 ${CMAKE_BUILD_TYPE}
+)
+add_custom_target(flutter_assemble DEPENDS
+  "${FLUTTER_LIBRARY}"
+  ${FLUTTER_LIBRARY_HEADERS}
+)

example/linux/flutter/generated_plugin_registrant.cc

@@ -0,0 +1,13 @@
+//
+//  Generated file. Do not edit.
+//
+
+#include "generated_plugin_registrant.h"
+
+#include <flutter_qjs/flutter_qjs_plugin.h>
+
+void fl_register_plugins(FlPluginRegistry* registry) {
+  g_autoptr(FlPluginRegistrar) flutter_qjs_registrar =
+      fl_plugin_registry_get_registrar_for_plugin(registry, "FlutterQjsPlugin");
+  flutter_qjs_plugin_register_with_registrar(flutter_qjs_registrar);
+}

example/linux/flutter/generated_plugin_registrant.h

@@ -0,0 +1,13 @@
+//
+//  Generated file. Do not edit.
+//
+
+#ifndef GENERATED_PLUGIN_REGISTRANT_
+#define GENERATED_PLUGIN_REGISTRANT_
+
+#include <flutter_linux/flutter_linux.h>
+
+// Registers Flutter plugins.
+void fl_register_plugins(FlPluginRegistry* registry);
+
+#endif  // GENERATED_PLUGIN_REGISTRANT_

example/linux/flutter/generated_plugins.cmake

@@ -0,0 +1,16 @@
+#
+# Generated file, do not edit.
+#
+
+list(APPEND FLUTTER_PLUGIN_LIST
+  flutter_qjs
+)
+
+set(PLUGIN_BUNDLED_LIBRARIES)
+
+foreach(plugin ${FLUTTER_PLUGIN_LIST})
+  add_subdirectory(flutter/ephemeral/.plugin_symlinks/${plugin}/linux plugins/${plugin})
+  target_link_libraries(${BINARY_NAME} PRIVATE ${plugin}_plugin)
+  list(APPEND PLUGIN_BUNDLED_LIBRARIES $<TARGET_FILE:${plugin}_plugin>)
+  list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries})
+endforeach(plugin)

example/linux/main.cc

@@ -0,0 +1,10 @@
+#include "my_application.h"
+
+int main(int argc, char** argv) {
+  // Only X11 is currently supported.
+  // Wayland support is being developed: https://github.com/flutter/flutter/issues/57932.
+  gdk_set_allowed_backends("x11");
+
+  g_autoptr(MyApplication) app = my_application_new();
+  return g_application_run(G_APPLICATION(app), argc, argv);
+}

example/linux/my_application.cc

@@ -0,0 +1,46 @@
+#include "my_application.h"
+
+#include <flutter_linux/flutter_linux.h>
+
+#include "flutter/generated_plugin_registrant.h"
+
+struct _MyApplication {
+  GtkApplication parent_instance;
+};
+
+G_DEFINE_TYPE(MyApplication, my_application, GTK_TYPE_APPLICATION)
+
+// Implements GApplication::activate.
+static void my_application_activate(GApplication* application) {
+  GtkWindow* window =
+      GTK_WINDOW(gtk_application_window_new(GTK_APPLICATION(application)));
+  GtkHeaderBar *header_bar = GTK_HEADER_BAR(gtk_header_bar_new());
+  gtk_widget_show(GTK_WIDGET(header_bar));
+  gtk_header_bar_set_title(header_bar, "flutter_qjs_example");
+  gtk_header_bar_set_show_close_button(header_bar, TRUE);
+  gtk_window_set_titlebar(window, GTK_WIDGET(header_bar));
+  gtk_window_set_default_size(window, 1280, 720);
+  gtk_widget_show(GTK_WIDGET(window));
+
+  g_autoptr(FlDartProject) project = fl_dart_project_new();
+
+  FlView* view = fl_view_new(project);
+  gtk_widget_show(GTK_WIDGET(view));
+  gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(view));
+
+  fl_register_plugins(FL_PLUGIN_REGISTRY(view));
+
+  gtk_widget_grab_focus(GTK_WIDGET(view));
+}
+
+static void my_application_class_init(MyApplicationClass* klass) {
+  G_APPLICATION_CLASS(klass)->activate = my_application_activate;
+}
+
+static void my_application_init(MyApplication* self) {}
+
+MyApplication* my_application_new() {
+  return MY_APPLICATION(g_object_new(my_application_get_type(),
+                                     "application-id", APPLICATION_ID,
+                                     nullptr));
+}

example/linux/my_application.h

@@ -0,0 +1,18 @@
+#ifndef FLUTTER_MY_APPLICATION_H_
+#define FLUTTER_MY_APPLICATION_H_
+
+#include <gtk/gtk.h>
+
+G_DECLARE_FINAL_TYPE(MyApplication, my_application, MY, APPLICATION,
+                     GtkApplication)
+
+/**
+ * my_application_new:
+ *
+ * Creates a new Flutter-based application.
+ *
+ * Returns: a new #MyApplication.
+ */
+MyApplication* my_application_new();
+
+#endif  // FLUTTER_MY_APPLICATION_H_

linux/CMakeLists.txt

@@ -0,0 +1,24 @@
+cmake_minimum_required(VERSION 3.10)
+set(PROJECT_NAME "flutter_qjs")
+project(${PROJECT_NAME} LANGUAGES CXX)
+
+set(PLUGIN_NAME "${PROJECT_NAME}_plugin")
+
+add_library(${PLUGIN_NAME} SHARED
+  "${PLUGIN_NAME}.cc"
+)
+apply_standard_settings(${PLUGIN_NAME})
+set_target_properties(${PLUGIN_NAME} PROPERTIES
+  CXX_VISIBILITY_PRESET hidden)
+target_compile_definitions(${PLUGIN_NAME} PRIVATE FLUTTER_PLUGIN_IMPL)
+target_include_directories(${PLUGIN_NAME} INTERFACE
+  "${CMAKE_CURRENT_SOURCE_DIR}/include")
+target_link_libraries(${PLUGIN_NAME} PRIVATE flutter)
+target_link_libraries(${PLUGIN_NAME} PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/../cxx/libquickjs.so")
+target_link_libraries(${PLUGIN_NAME} PRIVATE PkgConfig::GTK)
+
+# List of absolute paths to libraries that should be bundled with the plugin
+set(flutter_qjs_bundled_libraries
+  ""
+  PARENT_SCOPE
+)

linux/dart_js_wrapper.hpp

@@ -0,0 +1,169 @@
+/*
+ * @Description: 
+ * @Author: ekibun
+ * @Date: 2020-08-14 21:45:02
+ * @LastEditors: ekibun
+ * @LastEditTime: 2020-08-15 15:42:55
+ */
+#include "../cxx/js_engine.hpp"
+// #include <flutter/standard_method_codec.h>
+#include <flutter_linux/flutter_linux.h>
+#include <variant>
+
+namespace std
+{
+  template <>
+  struct hash<qjs::Value>
+  {
+    std::size_t operator()(const qjs::Value &key) const
+    {
+      return std::hash<std::string>()((std::string)key);
+    }
+  };
+
+  template <>
+  struct hash<FlValue>
+  {
+    std::size_t operator()(const FlValue *&key) const
+    {
+      return 0;
+    }
+  };
+} // namespace std
+
+namespace qjs
+{
+  JSValue dartToJsAtom(JSContext *ctx, FlValue *val)
+  {
+    FlValueType valType = fl_value_get_type(val);
+    switch (valType)
+    {
+    case FL_VALUE_TYPE_BOOL:
+      return JS_NewBool(ctx, fl_value_get_bool(val));
+    case FL_VALUE_TYPE_INT:
+      return JS_NewInt64(ctx, fl_value_get_int(val));
+    case FL_VALUE_TYPE_FLOAT:
+      return JS_NewFloat64(ctx, fl_value_get_float(val));
+    case FL_VALUE_TYPE_STRING:
+      return JS_NewString(ctx, fl_value_get_string(val));
+    case FL_VALUE_TYPE_UINT8_LIST:
+      return JS_NewArrayBufferCopy(ctx, fl_value_get_uint8_list(val), fl_value_get_length(val));
+    case FL_VALUE_TYPE_INT32_LIST:
+      return JS_NewArrayBufferCopy(ctx, (uint8_t *)fl_value_get_int32_list(val), fl_value_get_length(val));
+    case FL_VALUE_TYPE_INT64_LIST:
+      return JS_NewArrayBufferCopy(ctx, (uint8_t *)fl_value_get_int64_list(val), fl_value_get_length(val));
+    // case FL_VALUE_TYPE_FLOAT_LIST:
+    //   auto buf = fl_value_get_float_list(val);
+    //   auto size = fl_value_get_length(val);
+    //       JSValue array = JS_NewArray(ctx);
+    //   for (size_t i = 0; i < size; i++)
+    //     JS_DefinePropertyValue(
+    //         ctx, array, JS_NewAtomUInt32(ctx, i), JS_NewFloat64(ctx, buf[i]),
+    //         JS_PROP_C_W_E);
+    //   return array;
+    default:
+      return JS_UNDEFINED;
+    }
+  }
+
+  JSValue dartToJs(JSContext *ctx, FlValue *val, std::unordered_map<FlValue *, JSValue> cache = std::unordered_map<FlValue *, JSValue>())
+  {
+    if (fl_value_get_type(val) == FL_VALUE_TYPE_NULL)
+      return JS_UNDEFINED;
+    if (cache.find(val) != cache.end())
+      return cache[val];
+    {
+      JSValue atomValue = dartToJsAtom(ctx, val);
+      if (!JS_IsUndefined(atomValue))
+        return atomValue;
+    }
+    // if (std::holds_alternative<flutter::EncodableList>(val))
+    // {
+    //   auto list = std::get<flutter::EncodableList>(val);
+    //   JSValue array = JS_NewArray(ctx);
+    //   cache[val] = array;
+    //   auto size = (uint32_t)list.size();
+    //   for (uint32_t i = 0; i < size; i++)
+    //     JS_DefinePropertyValue(
+    //         ctx, array, JS_NewAtomUInt32(ctx, i), dartToJs(ctx, list[i], cache),
+    //         JS_PROP_C_W_E);
+    //   return array;
+    // }
+    // if (std::holds_alternative<flutter::EncodableMap>(val))
+    // {
+    //   auto map = std::get<flutter::EncodableMap>(val);
+    //   JSValue obj = JS_NewObject(ctx);
+    //   cache[val] = obj;
+    //   for (auto iter = map.begin(); iter != map.end(); ++iter)
+    //     JS_DefinePropertyValue(
+    //         ctx, obj, JS_ValueToAtom(ctx, dartToJs(ctx, iter->first, cache)), dartToJs(ctx, iter->second, cache),
+    //         JS_PROP_C_W_E);
+    //   return obj;
+    // }
+    return JS_UNDEFINED;
+  }
+
+  FlValue *jsToDart(Value val, std::unordered_map<Value, FlValue *> cache = std::unordered_map<Value, FlValue *>())
+  {
+    if (cache.find(val) != cache.end())
+      return cache[val];
+    if (JS_IsBool(val.v))
+      return fl_value_new_bool((bool)val);
+    if (JS_IsNumber(val.v))
+      return fl_value_new_float((double)val);
+    if (JS_IsString(val.v))
+      return fl_value_new_string(((std::string)val).c_str());
+    { // ArrayBuffer
+      size_t size;
+      uint8_t *buf = JS_GetArrayBuffer(val.ctx, &size, val.v);
+      if (buf)
+        // return (std::vector<uint8_t>(buf, buf + size));
+        return fl_value_new_uint8_list(buf, size);
+    }
+    FlValue *ret;
+    if (JS_IsUndefined(val.v) || JS_IsNull(val.v) || JS_IsUninitialized(val.v))
+      goto exception;
+    // if (JS_IsObject(val.v))
+    // {
+    //   if (JS_IsFunction(val.ctx, val.v))
+    //   {
+    //     flutter::EncodableMap retMap;
+    //     retMap[std::string("__js_function__")] = (int64_t) new JSValue{JS_DupValue(val.ctx, val.v)};
+    //     ret = retMap;
+    //   }
+    //   else if (JS_IsArray(val.ctx, val.v) > 0)
+    //   {
+    //     flutter::EncodableList retList;
+    //     cache[val] = retList;
+    //     uint32_t arrlen = (uint32_t)val["length"];
+    //     for (uint32_t i = 0; i < arrlen; i++)
+    //     {
+    //       retList.push_back(jsToDart(val[i], cache));
+    //     }
+    //     ret = retList;
+    //   }
+    //   else
+    //   {
+    //     qjs::JSPropertyEnum *ptab;
+    //     uint32_t plen;
+    //     if (JS_GetOwnPropertyNames(val.ctx, &ptab, &plen, val.v, -1))
+    //       goto exception;
+    //     flutter::EncodableMap retMap;
+    //     cache[val] = retMap;
+    //     for (uint32_t i = 0; i < plen; i++)
+    //     {
+    //       retMap[jsToDart({val.ctx, JS_AtomToValue(val.ctx, ptab[i].atom)}, cache)] =
+    //           jsToDart({val.ctx, JS_GetProperty(val.ctx, val.v, ptab[i].atom)}, cache);
+    //       JS_FreeAtom(val.ctx, ptab[i].atom);
+    //     }
+    //     js_free(val.ctx, ptab);
+    //     ret = retMap;
+    //   }
+    //   goto done;
+    // }
+  exception:
+    ret = fl_value_new_null();
+  done:
+    return ret;
+  }
+} // namespace qjs

linux/flutter_qjs_plugin.cc

@@ -0,0 +1,79 @@
+#include "include/flutter_qjs/flutter_qjs_plugin.h"
+
+#include <flutter_linux/flutter_linux.h>
+#include <gtk/gtk.h>
+#include <sys/utsname.h>
+#include "dart_js_wrapper.hpp"
+
+#define FLUTTER_QJS_PLUGIN(obj)                                     \
+  (G_TYPE_CHECK_INSTANCE_CAST((obj), flutter_qjs_plugin_get_type(), \
+                              FlutterQjsPlugin))
+
+struct _FlutterQjsPlugin
+{
+  GObject parent_instance;
+};
+
+G_DEFINE_TYPE(FlutterQjsPlugin, flutter_qjs_plugin, g_object_get_type())
+
+// Called when a method call is received from Flutter.
+static void flutter_qjs_plugin_handle_method_call(
+    FlutterQjsPlugin *self,
+    FlMethodCall *method_call)
+{
+  g_autoptr(FlMethodResponse) response = nullptr;
+
+  const gchar *method = fl_method_call_get_name(method_call);
+
+  if (strcmp(method, "getPlatformVersion") == 0)
+  {
+    struct utsname uname_data = {};
+    uname(&uname_data);
+    g_autofree gchar *version = g_strdup_printf("Linux %s", uname_data.version);
+    g_autoptr(FlValue) result = fl_value_new_string(version);
+    response = FL_METHOD_RESPONSE(fl_method_success_response_new(result));
+  }
+
+  else
+  {
+    response = FL_METHOD_RESPONSE(fl_method_not_implemented_response_new());
+  }
+
+  fl_method_call_respond(method_call, response, nullptr);
+}
+
+static void flutter_qjs_plugin_dispose(GObject *object)
+{
+  G_OBJECT_CLASS(flutter_qjs_plugin_parent_class)->dispose(object);
+}
+
+static void flutter_qjs_plugin_class_init(FlutterQjsPluginClass *klass)
+{
+  G_OBJECT_CLASS(klass)->dispose = flutter_qjs_plugin_dispose;
+}
+
+static void flutter_qjs_plugin_init(FlutterQjsPlugin *self) {}
+
+static void method_call_cb(FlMethodChannel *channel, FlMethodCall *method_call,
+                           gpointer user_data)
+{
+  FlutterQjsPlugin *plugin = FLUTTER_QJS_PLUGIN(user_data);
+  flutter_qjs_plugin_handle_method_call(plugin, method_call);
+}
+
+void flutter_qjs_plugin_register_with_registrar(FlPluginRegistrar *registrar)
+{
+  FlutterQjsPlugin *plugin = FLUTTER_QJS_PLUGIN(
+      g_object_new(flutter_qjs_plugin_get_type(), nullptr));
+
+  g_autoptr(FlStandardMethodCodec) codec = fl_standard_method_codec_new();
+  g_autoptr(FlMethodChannel) channel =
+      fl_method_channel_new(fl_plugin_registrar_get_messenger(registrar),
+                            "flutter_qjs",
+                            FL_METHOD_CODEC(codec));
+  fl_method_channel_set_method_call_handler(channel, method_call_cb,
+                                            g_object_ref(plugin),
+                                            g_object_unref);
+
+  g_object_unref(plugin);
+}

linux/include/flutter_qjs/flutter_qjs_plugin.h

@@ -0,0 +1,26 @@
+#ifndef FLUTTER_PLUGIN_FLUTTER_QJS_PLUGIN_H_
+#define FLUTTER_PLUGIN_FLUTTER_QJS_PLUGIN_H_
+
+#include <flutter_linux/flutter_linux.h>
+
+G_BEGIN_DECLS
+
+#ifdef FLUTTER_PLUGIN_IMPL
+#define FLUTTER_PLUGIN_EXPORT __attribute__((visibility("default")))
+#else
+#define FLUTTER_PLUGIN_EXPORT
+#endif
+
+typedef struct _FlutterQjsPlugin FlutterQjsPlugin;
+typedef struct {
+  GObjectClass parent_class;
+} FlutterQjsPluginClass;
+
+FLUTTER_PLUGIN_EXPORT GType flutter_qjs_plugin_get_type();
+
+FLUTTER_PLUGIN_EXPORT void flutter_qjs_plugin_register_with_registrar(
+    FlPluginRegistrar* registrar);
+
+G_END_DECLS
+
+#endif  // FLUTTER_PLUGIN_FLUTTER_QJS_PLUGIN_H_

pubspec.yaml

@@ -34,6 +34,8 @@ flutter:
     # -------------------
       windows:
         pluginClass: FlutterQjsPlugin
+      linux:
+        pluginClass: FlutterQjsPlugin
       android:
         pluginClass: FlutterQjsPlugin
         package: soko.ekibun.flutter_qjs