android type wrapper

.idea/libraries/Dart_SDK.xml

@@ -0,0 +1,19 @@
+<component name="libraryTable">
+  <library name="Dart SDK">
+    <CLASSES>
+      <root url="file://D:\flutter/bin/cache/dart-sdk/lib/async" />
+      <root url="file://D:\flutter/bin/cache/dart-sdk/lib/collection" />
+      <root url="file://D:\flutter/bin/cache/dart-sdk/lib/convert" />
+      <root url="file://D:\flutter/bin/cache/dart-sdk/lib/core" />
+      <root url="file://D:\flutter/bin/cache/dart-sdk/lib/developer" />
+      <root url="file://D:\flutter/bin/cache/dart-sdk/lib/html" />
+      <root url="file://D:\flutter/bin/cache/dart-sdk/lib/io" />
+      <root url="file://D:\flutter/bin/cache/dart-sdk/lib/isolate" />
+      <root url="file://D:\flutter/bin/cache/dart-sdk/lib/math" />
+      <root url="file://D:\flutter/bin/cache/dart-sdk/lib/mirrors" />
+      <root url="file://D:\flutter/bin/cache/dart-sdk/lib/typed_data" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES />
+  </library>
+</component>

.idea/modules.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/flutter_qjs.iml" filepath="$PROJECT_DIR$/flutter_qjs.iml" />
+      <module fileurl="file://$PROJECT_DIR$/android/flutter_qjs_android.iml" filepath="$PROJECT_DIR$/android/flutter_qjs_android.iml" />
+      <module fileurl="file://$PROJECT_DIR$/example/android/flutter_qjs_example_android.iml" filepath="$PROJECT_DIR$/example/android/flutter_qjs_example_android.iml" />
+    </modules>
+  </component>
+</project>

.idea/runConfigurations/example_lib_main_dart.xml

@@ -0,0 +1,6 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="example/lib/main.dart" type="FlutterRunConfigurationType" factoryName="Flutter">
+    <option name="filePath" value="$PROJECT_DIR$/example/lib/main.dart" />
+    <method />
+  </configuration>
+</component>

.idea/workspace.xml

@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="FileEditorManager">
+    <leaf>
+      <file leaf-file-name="flutter_qjs.dart" pinned="false" current-in-tab="true">
+        <entry file="file://$PROJECT_DIR$/lib/flutter_qjs.dart">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="0">
+              <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="main.dart" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/example/lib/main.dart">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="0">
+              <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+    </leaf>
+  </component>
+  <component name="ToolWindowManager">
+    <editor active="true" />
+    <layout>
+      <window_info id="Project" active="true" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="0" side_tool="false" content_ui="combo" />
+    </layout>
+  </component>
+  <component name="ProjectView">
+    <navigator currentView="ProjectPane" proportions="" version="1">
+    </navigator>
+    <panes>
+      <pane id="ProjectPane">
+        <option name="show-excluded-files" value="false" />
+      </pane>
+    </panes>
+  </component>
+  <component name="PropertiesComponent">
+    <property name="last_opened_file_path" value="$PROJECT_DIR$" />
+    <property name="dart.analysis.tool.window.force.activate" value="true" />
+    <property name="show.migrate.to.gradle.popup" value="false" />
+  </component>
+</project>

.vscode/c_cpp_properties.json

@@ -0,0 +1,37 @@
+{
+    "configurations": [
+        {
+            "name": "Win32",
+            "includePath": [
+                "${workspaceFolder}/example/windows/flutter/ephemeral/cpp_client_wrapper/include/**"
+            ],
+            "defines": [
+                "_DEBUG",
+                "UNICODE",
+                "_UNICODE"
+            ],
+            "windowsSdkVersion": "10.0.18362.0",
+            "compilerPath": "C:/Program Files (x86)/Microsoft Visual Studio/2019/BuildTools/VC/Tools/MSVC/14.27.29110/bin/Hostx64/x64/cl.exe",
+            "cStandard": "c11",
+            "cppStandard": "c++17",
+            "intelliSenseMode": "msvc-x64"
+        },
+        {
+            "name": "Linux",
+            "includePath": [
+                "C:/Users/ekibun/AppData/Local/Android/Sdk/ndk/21.3.6528147/toolchains/llvm/prebuilt/windows-x86_64/sysroot/usr/include"
+            ],
+            "defines": [
+                "_DEBUG",
+                "UNICODE",
+                "_UNICODE"
+            ],
+            "windowsSdkVersion": "10.0.18362.0",
+            "compilerPath": "C:/Users/ekibun/AppData/Local/Android/Sdk/cmake/3.10.2.4988404/bin/cmake.exe",
+            "cStandard": "c11",
+            "cppStandard": "c++17",
+            "intelliSenseMode": "gcc-x64"
+        }
+    ],
+    "version": 4
+}

.vscode/settings.json

@@ -99,7 +99,8 @@
     "cfenv": "cpp",
     "cinttypes": "cpp",
     "typeindex": "cpp",
-    "__functional_03": "cpp"
+    "__functional_03": "cpp",
+    "compare": "cpp"
   },
   "java.configuration.updateBuildConfiguration": "interactive"
 }

android/.idea/misc.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" default="true" project-jdk-name="11" project-jdk-type="JavaSDK" />
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" default="true" project-jdk-name="11" project-jdk-type="JavaSDK" />
 </project>

android/src/main/jni/CMakeLists.txt

@@ -5,7 +5,7 @@
 
 cmake_minimum_required(VERSION 3.4.1)
 set(JNI_LIB_NAME libjsengine)
-set(QUICK_JS_LIB_DIR ../../../../cxx)
+set(QUICK_JS_LIB_DIR ../../../../cxx/quickjspp)
 
 
 # Creates and names a library, sets it as either STATIC

android/src/main/jni/java_js_wrapper.hpp

@@ -0,0 +1,195 @@
+/*
+ * @Description: 
+ * @Author: ekibun
+ * @Date: 2020-08-16 11:08:23
+ * @LastEditors: ekibun
+ * @LastEditTime: 2020-08-16 19:51:11
+ */
+#include <string>
+#include <unordered_map>
+#include "jni_helper.hpp"
+#include <android/log.h>
+#include "../../../../cxx/js_engine.hpp"
+
+namespace std
+{
+  template <>
+  struct hash<qjs::Value>
+  {
+    std::size_t operator()(const qjs::Value &key) const
+    {
+      return std::hash<std::string>()((std::string)key);
+    }
+  };
+} // namespace std
+
+namespace qjs
+{
+
+  JSValue javaToJs(JSContext *ctx, JNIEnv *env, jobject val, std::unordered_map<jobject, JSValue> cache = std::unordered_map<jobject, JSValue>())
+  {
+    if (val == nullptr)
+      return JS_UNDEFINED;
+    if (cache.find(val) != cache.end())
+      return cache[val];
+    jclass objclass = env->GetObjectClass(val);
+    jclass classclass = env->GetObjectClass((jobject)objclass);
+    jmethodID mid = env->GetMethodID(classclass, "getName", "()Ljava/lang/String;");
+    jobject clsObj = env->CallObjectMethod(objclass, mid);
+    std::string className(env->GetStringUTFChars((jstring)clsObj, 0));
+    __android_log_print(ANDROID_LOG_DEBUG, "class", "class: %s", className.c_str());
+    if (className.compare("[B") == 0)
+    {
+      jsize len = env->GetArrayLength((jbyteArray)val);
+      return JS_NewArrayBufferCopy(ctx, (uint8_t *)env->GetByteArrayElements((jbyteArray)val, 0), len);
+    }
+    else if (className.compare("java.lang.Boolean") == 0)
+    {
+      jmethodID getVal = env->GetMethodID(objclass, "booleanValue", "()Z");
+      return JS_NewBool(ctx, env->CallBooleanMethod(val, getVal));
+    }
+    else if (className.compare("java.lang.Integer") == 0)
+    {
+      jmethodID getVal = env->GetMethodID(objclass, "intValue", "()I");
+      return JS_NewInt32(ctx, env->CallIntMethod(val, getVal));
+    }
+    else if (className.compare("java.lang.Long") == 0)
+    {
+      jmethodID getVal = env->GetMethodID(objclass, "longValue", "()J");
+      return JS_NewInt64(ctx, env->CallLongMethod(val, getVal));
+    }
+    else if (className.compare("java.lang.Double") == 0)
+    {
+      jmethodID getVal = env->GetMethodID(objclass, "doubleValue", "()D");
+      return JS_NewFloat64(ctx, env->CallDoubleMethod(val, getVal));
+    }
+    else if (className.compare("java.lang.String") == 0)
+    {
+      return JS_NewString(ctx, env->GetStringUTFChars((jstring)val, 0));
+    }
+    else if (className.compare("java.util.ArrayList") == 0)
+    {
+      jobjectArray list = jniToArray(env, val);
+      jsize size = env->GetArrayLength(list);
+      JSValue array = JS_NewArray(ctx);
+      cache[val] = array;
+      for (uint32_t i = 0; i < size; i++)
+        JS_DefinePropertyValue(
+            ctx, array, JS_NewAtomUInt32(ctx, i),
+            javaToJs(ctx, env, env->GetObjectArrayElement(list, i), cache),
+            JS_PROP_C_W_E);
+      return array;
+    }
+    else if (className.compare("java.util.HashMap") == 0)
+    {
+      // 获取HashMap类entrySet()方法ID
+      jmethodID entrySetMID = env->GetMethodID(objclass, "entrySet", "()Ljava/util/Set;");
+      // 调用entrySet()方法获取Set对象
+      jobject setObj = env->CallObjectMethod(val, entrySetMID);
+      // 获取Set类中iterator()方法ID
+      jclass setClass = env->FindClass("java/util/Set");
+      jmethodID iteratorMID = env->GetMethodID(setClass, "iterator", "()Ljava/util/Iterator;");
+      // 调用iterator()方法获取Iterator对象
+      jobject iteratorObj = env->CallObjectMethod(setObj, iteratorMID);
+      // 获取Iterator类中hasNext()方法ID
+      // 用于while循环判断HashMap中是否还有数据
+      jclass iteratorClass = env->FindClass("java/util/Iterator");
+      jmethodID hasNextMID = env->GetMethodID(iteratorClass, "hasNext", "()Z");
+      // 获取Iterator类中next()方法ID
+      // 用于读取HashMap中的每一条数据
+      jmethodID nextMID = env->GetMethodID(iteratorClass, "next", "()Ljava/lang/Object;");
+      // 获取Map.Entry类中getKey()和getValue()的方法ID
+      // 用于读取“K-V”键值对，注意：内部类使用$符号表示
+      jclass entryClass = env->FindClass("java/util/Map$Entry");
+      jmethodID getKeyMID = env->GetMethodID(entryClass, "getKey", "()Ljava/lang/Object;");
+      jmethodID getValueMID = env->GetMethodID(entryClass, "getValue", "()Ljava/lang/Object;");
+      // JSObject
+      JSValue obj = JS_NewObject(ctx);
+      cache[val] = obj;
+      // 循环检测HashMap中是否还有数据
+      while (env->CallBooleanMethod(iteratorObj, hasNextMID))
+      {
+        // 读取一条数据
+        jobject entryObj = env->CallObjectMethod(iteratorObj, nextMID);
+        JS_DefinePropertyValue(
+            ctx, obj, JS_ValueToAtom(ctx, javaToJs(ctx, env, env->CallObjectMethod(entryObj, getKeyMID), cache)), 
+            javaToJs(ctx, env, env->CallObjectMethod(entryObj, getValueMID), cache),
+            JS_PROP_C_W_E);
+      }
+      return obj;
+    }
+    return JS_UNDEFINED;
+  }
+
+  jobject jsToJava(JNIEnv *env, qjs::Value val, std::unordered_map<Value, jobject> cache = std::unordered_map<Value, jobject>())
+  {
+    if (cache.find(val) != cache.end())
+      return cache[val];
+    if (JS_IsBool(val.v))
+      return jniWrapPrimity<jboolean>(env, (bool)val);
+    {
+      int tag = JS_VALUE_GET_TAG(val.v);
+      if(tag == JS_TAG_INT) {
+        return jniWrapPrimity<jlong>(env, (int64_t)val);
+      } else if (JS_TAG_IS_FLOAT64(tag)) {
+        return jniWrapPrimity<jdouble>(env, (double)val);
+      }
+    }
+    if (JS_IsString(val.v))
+      return env->NewStringUTF(((std::string)val).c_str());
+    {
+      size_t size;
+      uint8_t *buf = JS_GetArrayBuffer(val.ctx, &size, val.v);
+      if (buf)
+      {
+        jbyteArray arr = env->NewByteArray(size);
+        env->SetByteArrayRegion(arr, 0, size, (int8_t *)buf);
+        return arr;
+      }
+    }
+    if (JS_IsUndefined(val.v) || JS_IsNull(val.v) || JS_IsUninitialized(val.v))
+      return nullptr;
+    if (JS_IsObject(val.v))
+    {
+      if (JS_IsFunction(val.ctx, val.v))
+      {
+        std::map<jobject, jobject> retMap;
+        retMap[env->NewStringUTF("__js_function__")] = jniWrapPrimity<jlong>(env, (int64_t) new JSValue{JS_DupValue(val.ctx, val.v)});
+        return jniWrapMap(env, retMap);
+      }
+      else if (JS_IsArray(val.ctx, val.v) > 0)
+      {
+        uint32_t arrlen = (uint32_t)val["length"];
+        jclass class_arraylist = env->FindClass("java/util/ArrayList");
+        jmethodID arraylist_init = env->GetMethodID(class_arraylist, "<init>", "()V");
+        jobject list = env->NewObject(class_arraylist, arraylist_init);
+        jmethodID arraylist_add = env->GetMethodID(class_arraylist, "add", "(Ljava/lang/Object;)Z");
+        for (uint32_t i = 0; i < arrlen; i++)
+        {
+          env->CallBooleanMethod(list, arraylist_add, jsToJava(env, val[i], cache));
+        }
+        cache[val] = list;
+        return list;
+      }
+      else
+      {
+        qjs::JSPropertyEnum *ptab;
+        uint32_t plen;
+        if (JS_GetOwnPropertyNames(val.ctx, &ptab, &plen, val.v, -1))
+          return nullptr;
+        std::map<jobject, jobject> retMap;
+        for (uint32_t i = 0; i < plen; i++)
+        {
+          retMap[jsToJava(env, {val.ctx, JS_AtomToValue(val.ctx, ptab[i].atom)}, cache)] =
+              jsToJava(env, {val.ctx, JS_GetProperty(val.ctx, val.v, ptab[i].atom)}, cache);
+          JS_FreeAtom(val.ctx, ptab[i].atom);
+        }
+        js_free(val.ctx, ptab);
+        jobject ret = jniWrapMap(env, retMap);
+        cache[val] = ret;
+        return ret;
+      }
+    }
+    return nullptr;
+  }
+} // namespace qjs

android/src/main/jni/jni_helper.hpp

@@ -0,0 +1,62 @@
+/*
+ * @Description: 
+ * @Author: ekibun
+ * @Date: 2020-08-16 13:20:03
+ * @LastEditors: ekibun
+ * @LastEditTime: 2020-08-16 17:56:52
+ */
+#include <jni.h>
+#include <map>
+
+jclass jniInstanceOf(JNIEnv *env, jobject obj, const char *className)
+{
+  jclass jclazz = env->FindClass(className);
+  return env->IsInstanceOf(obj, jclazz) ? jclazz : nullptr;
+}
+
+jobjectArray jniToArray(JNIEnv *env, jobject obj)
+{
+  jmethodID mToArray = env->GetMethodID(env->GetObjectClass(obj), "toArray", "()[Ljava/lang/Object;");
+  return (jobjectArray)env->CallObjectMethod(obj, mToArray);
+}
+
+jobject jniWrapMap(JNIEnv *env, std::map<jobject, jobject> val)
+{
+  jclass class_hashmap = env->FindClass("java/util/HashMap");
+  jmethodID hashmap_init = env->GetMethodID(class_hashmap, "<init>", "()V");
+  jobject map = env->NewObject(class_hashmap, hashmap_init);
+  jmethodID hashMap_put = env->GetMethodID(class_hashmap, "put", "(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;");
+  for (auto it = val.begin(); it != val.end(); ++it)
+  {
+    env->CallObjectMethod(map, hashMap_put, it->first, it->second);
+  }
+  return map;
+}
+
+template <typename T>
+jobject jniWrapPrimity(JNIEnv *env, T obj);
+
+template <>
+jobject jniWrapPrimity(JNIEnv *env, jlong obj)
+{
+  jclass jclazz = env->FindClass("java/lang/Long");
+  jmethodID jmethod = env->GetMethodID(jclazz, "<init>", "(J)V");
+  return env->NewObject(jclazz, jmethod, obj);
+}
+
+template <>
+jobject jniWrapPrimity(JNIEnv *env, jboolean obj)
+{
+  // TODO see https://github.com/flutter/flutter/issues/45066
+  std::map<jobject, jobject> retMap;
+  retMap[env->NewStringUTF("__js_boolean__")] = jniWrapPrimity<jlong>(env, (int64_t)obj);
+  return jniWrapMap(env, retMap);
+}
+
+template <>
+jobject jniWrapPrimity(JNIEnv *env, jdouble obj)
+{
+  jclass jclazz = env->FindClass("java/lang/Double");
+  jmethodID jmethod = env->GetMethodID(jclazz, "<init>", "(D)V");
+  return env->NewObject(jclazz, jmethod, obj);
+}

android/src/main/jni/native-lib.cpp

@@ -3,13 +3,9 @@
  * @Author: ekibun
  * @Date: 2020-08-09 18:16:11
  * @LastEditors: ekibun
- * @LastEditTime: 2020-08-12 23:37:28
+ * @LastEditTime: 2020-08-16 19:00:06
  */
-#include <jni.h>
+#include "java_js_wrapper.hpp"
-#include <string>
-#include "../../../../cxx/js_engine.hpp"
-
-qjs::Engine *engine = nullptr;
 
 JNIEnv *getEnv(JavaVM *gJvm)
 {
@@ -26,48 +22,41 @@ JNIEnv *getEnv(JavaVM *gJvm)
   return env;
 }
 
-void jniResultResolve(JavaVM *jvm, jobject result, std::string data)
+void jniResultResolve(JNIEnv *env, jobject result, jobject data)
 {
-  JNIEnv *env = getEnv(jvm);
   jclass jclazz = env->GetObjectClass(result);
-  jmethodID jmethod = env->GetMethodID(jclazz, "success", "(Ljava/lang/String;)V");
+  jmethodID jmethod = env->GetMethodID(jclazz, "success", "(Ljava/lang/Object;)V");
-  jstring jdata = env->NewStringUTF(data.c_str());
+  env->CallVoidMethod(result, jmethod, data);
-  env->CallVoidMethod(result, jmethod, jdata);
+  env->DeleteLocalRef(data);
-  env->DeleteLocalRef(jdata);
   env->DeleteGlobalRef(result);
-  jvm->DetachCurrentThread();
 }
 
-void jniResultReject(JavaVM *jvm, jobject result, std::string reason)
+void jniResultReject(JNIEnv *env, jobject result, std::string reason)
 {
-  JNIEnv *env = getEnv(jvm);
   jclass jclazz = env->GetObjectClass(result);
   jmethodID jmethod = env->GetMethodID(jclazz, "error", "(Ljava/lang/String;)V");
   jstring jreason = env->NewStringUTF(reason.c_str());
   env->CallVoidMethod(result, jmethod, jreason);
   env->DeleteLocalRef(jreason);
   env->DeleteGlobalRef(result);
-  jvm->DetachCurrentThread();
 }
 
-void jniChannelInvoke(JavaVM *jvm, jobject channel, std::promise<qjs::JSFutureReturn> *promise, std::string method, std::string argv)
+void jniChannelInvoke(JNIEnv *env, jobject channel, std::promise<qjs::JSFutureReturn> *promise, std::string method, qjs::Value args, qjs::Engine *engine)
 {
-  JNIEnv *env = nullptr;
-  jvm->GetEnv((void **)&env, JNI_VERSION_1_2);
-  jvm->AttachCurrentThread(&env, NULL);
   jclass jclazz = env->GetObjectClass(channel);
-  jmethodID jmethod = env->GetMethodID(jclazz, "invokeMethod", "(Ljava/lang/String;Ljava/lang/String;J)V");
+  jmethodID jmethod = env->GetMethodID(jclazz, "invokeMethod", "(Ljava/lang/String;Ljava/lang/Object;J)V");
   jstring jstrmethod = env->NewStringUTF(method.c_str());
-  jstring jstrargv = env->NewStringUTF(argv.c_str());
+  std::map<jobject, jobject> retMap;
-  
+  retMap[env->NewStringUTF("engine")] = jniWrapPrimity<jlong>(env, (int64_t) engine);
-  env->CallVoidMethod(channel, jmethod, jstrmethod, jstrargv, (jlong)promise);
+  retMap[env->NewStringUTF("args")] = qjs::jsToJava(env, args);
+  jobject jsargs = jniWrapMap(env, retMap);
+  env->CallVoidMethod(channel, jmethod, jstrmethod, jsargs, (jlong)promise);
   env->DeleteLocalRef(jstrmethod);
-  env->DeleteLocalRef(jstrargv);
+  env->DeleteLocalRef(jsargs);
-  jvm->DetachCurrentThread();
 }
 
-extern "C" JNIEXPORT jint JNICALL
+extern "C" JNIEXPORT jlong JNICALL
-Java_soko_ekibun_flutter_1qjs_JniBridge_initEngine(
+Java_soko_ekibun_flutter_1qjs_JniBridge_createEngine(
     JNIEnv *env,
     jobject thiz,
     jobject channel)
@@ -75,10 +64,12 @@ Java_soko_ekibun_flutter_1qjs_JniBridge_initEngine(
   JavaVM *jvm = nullptr;
   env->GetJavaVM(&jvm);
   jobject gchannel = env->NewGlobalRef(channel);
-  engine = new qjs::Engine([jvm, gchannel](std::string name, std::string args) {
+  qjs::Engine *engine = new qjs::Engine([jvm, gchannel](std::string name, qjs::Value args, qjs::Engine *engine) {
     auto promise = new std::promise<qjs::JSFutureReturn>();
-    jniChannelInvoke(jvm, gchannel, promise, name, args);
+    JNIEnv *env = getEnv(jvm);
-    return promise->get_future();
+    jniChannelInvoke(env, gchannel, promise, name, args, engine);
+    jvm->DetachCurrentThread();
+    return promise;
   });
   return (jlong)engine;
 }
@@ -87,6 +78,7 @@ extern "C" JNIEXPORT void JNICALL
 Java_soko_ekibun_flutter_1qjs_JniBridge_evaluate(
     JNIEnv *env,
     jobject thiz,
+    jlong engine,
     jstring script,
     jstring name,
     jobject result)
@@ -94,33 +86,86 @@ Java_soko_ekibun_flutter_1qjs_JniBridge_evaluate(
   JavaVM *jvm = nullptr;
   env->GetJavaVM(&jvm);
   jobject gresult = env->NewGlobalRef(result);
-  engine->commit(qjs::EngineTask{
+  ((qjs::Engine *)engine)->commit(qjs::EngineTask{
-      env->GetStringUTFChars(script, 0),
+      [script = std::string(env->GetStringUTFChars(script, 0)),
-      env->GetStringUTFChars(name, 0),
+       name = std::string(env->GetStringUTFChars(name, 0))](qjs::Context &ctx) {
-      [jvm, gresult](std::string resolve) {
+        return ctx.eval(script, name.c_str(), JS_EVAL_TYPE_GLOBAL);
-        jniResultResolve(jvm, gresult, resolve);
       },
-      [jvm, gresult](std::string reject) {
+      [jvm, gresult](qjs::Value resolve) {
-        jniResultReject(jvm, gresult, reject);
+        JNIEnv *env = getEnv(jvm);
+        jniResultResolve(env, gresult, qjs::jsToJava(env, resolve));
+        jvm->DetachCurrentThread();
+      },
+      [jvm, gresult](qjs::Value reject) {
+        JNIEnv *env = getEnv(jvm);
+        jniResultReject(env, gresult, qjs::getStackTrack(reject));
+        jvm->DetachCurrentThread();
       }});
 }
 
 extern "C" JNIEXPORT void JNICALL
 Java_soko_ekibun_flutter_1qjs_JniBridge_close(
     JNIEnv *env,
-    jobject /* this */)
+    jobject thiz,
+    jlong engine)
 {
-  delete engine;
+  delete (qjs::Engine *)engine;
+}
+
+extern "C" JNIEXPORT void JNICALL
+Java_soko_ekibun_flutter_1qjs_JniBridge_call(
+    JNIEnv *env,
+    jobject thiz,
+    jlong engine,
+    jlong function,
+    jobject args,
+    jobject result)
+{
+  JavaVM *jvm = nullptr;
+  env->GetJavaVM(&jvm);
+  jobject gresult = env->NewGlobalRef(result);
+  jobject gargs = env->NewGlobalRef(args);
+  ((qjs::Engine *)engine)->commit(qjs::EngineTask{
+      [jvm, function = (qjs::JSValue *)function, gargs](qjs::Context &ctx) {
+        JNIEnv *env = getEnv(jvm);
+        jobjectArray array = jniToArray(env, gargs);
+        jsize argscount = env->GetArrayLength(array);
+        qjs::JSValue *callargs = new qjs::JSValue[argscount];
+        for (jsize i = 0; i < argscount; i++)
+        {
+          callargs[i] = qjs::javaToJs(ctx.ctx, env, env->GetObjectArrayElement(array, i));
+        }
+        jvm->DetachCurrentThread();
+        qjs::JSValue ret = JS_Call(ctx.ctx, *function, ctx.global(), (int)argscount, callargs);
+        qjs::JS_FreeValue(ctx.ctx, *function);
+        if (qjs::JS_IsException(ret))
+          throw qjs::exception{};
+        return qjs::Value{ctx.ctx, ret};
+      },
+      [jvm, gresult](qjs::Value resolve) {
+        JNIEnv *env = getEnv(jvm);
+        jniResultResolve(env, gresult, qjs::jsToJava(env, resolve));
+        jvm->DetachCurrentThread();
+      },
+      [jvm, gresult](qjs::Value reject) {
+        JNIEnv *env = getEnv(jvm);
+        jniResultReject(env, gresult, qjs::getStackTrack(reject));
+        jvm->DetachCurrentThread();
+      }});
 }
 
 extern "C" JNIEXPORT void JNICALL
 Java_soko_ekibun_flutter_1qjs_JniBridge_resolve(
     JNIEnv *env,
     jobject clazz,
-    jlong promise, jstring data)
+    jlong promise, jobject data)
 {
-  ((std::promise<qjs::JSFutureReturn> *)promise)->set_value((qjs::JSFutureReturn)[data = std::string(env->GetStringUTFChars(data, 0))](qjs::JSContext * ctx) {
+  JavaVM *jvm = nullptr;
-    qjs::JSValue *ret = new qjs::JSValue{JS_NewString(ctx, data.c_str())};
+  env->GetJavaVM(&jvm);
+  jobject gdata = env->NewGlobalRef(data);
+  ((std::promise<qjs::JSFutureReturn> *)promise)->set_value((qjs::JSFutureReturn)[jvm, gdata](qjs::JSContext * ctx) {
+    JNIEnv *env = getEnv(jvm);
+    qjs::JSValue *ret = new qjs::JSValue{qjs::javaToJs(ctx, env, gdata)};
     return qjs::JSOSFutureArgv{1, ret};
   });
 }

android/src/main/kotlin/soko/ekibun/flutter_qjs/FlutterQjsPlugin.kt

@@ -16,7 +16,6 @@ class FlutterQjsPlugin: FlutterPlugin, MethodCallHandler {
   /// when the Flutter Engine is detached from the Activity
   private lateinit var channelwrapper : MethodChannelWrapper
   private lateinit var channel : MethodChannel
-  private var engine : JniBridge? = null
   private lateinit var applicationContext: android.content.Context
   private val handler by lazy { Handler() }
 
@@ -28,20 +27,24 @@ class FlutterQjsPlugin: FlutterPlugin, MethodCallHandler {
   }
 
   override fun onMethodCall(call: MethodCall, result: Result) {
-    if (call.method == "initEngine") {
+    if (call.method == "createEngine") {
-      // engine = JsEngine(channel)
+      val engine: Long = JniBridge.instance.createEngine(channelwrapper)
-      engine = JniBridge()
+      println(engine)
-      engine?.initEngine(channelwrapper)
+      result.success(engine)
-      result.success(1)
     } else if (call.method == "evaluate") {
+      val engine: Long = call.argument<Long>("engine")!!
       val script: String = call.argument<String>("script")!!
       val name: String = call.argument<String>("name")!!
-      engine?.evaluate(script, name, ResultWrapper(handler, result))
+      JniBridge.instance.evaluate(engine, script, name, ResultWrapper(handler, result))
-      // engine?.evaluate(script, result)
+    } else if (call.method == "call") {
+      println(call.arguments<Map<*, *>>());
+      val engine: Long = call.argument<Long>("engine")!!
+      val function: Long = call.argument<Long>("function")!!
+      val args: List<Any> = call.argument<List<Any>>("arguments")!!
+      JniBridge.instance.call(engine, function, args, ResultWrapper(handler, result))
     } else if (call.method == "close") {
-      // engine?.release()
+      val engine: Long = call.argument<Long>("engine")!!
-      engine?.close()
+      JniBridge.instance.close(engine)
-      engine = null
       result.success(null)
     } else {
       result.notImplemented()

android/src/main/kotlin/soko/ekibun/flutter_qjs/JniBridge.kt

@@ -10,11 +10,13 @@ class JniBridge {
         val instance by lazy { JniBridge() }
     }
 
-    external fun initEngine(channel: MethodChannelWrapper): Int
+    external fun createEngine(channel: MethodChannelWrapper): Long
 
-    external fun evaluate(script: String, name: String, result: ResultWrapper)
+    external fun evaluate(engine: Long, script: String, name: String, result: ResultWrapper)
 
-    external fun close()
+    external fun close(engine: Long)
+
+    external fun call(engine: Long, function: Long, args: List<Any>, result: ResultWrapper)
 
     external fun reject(promise: Long, reason: String)
 

android/src/main/kotlin/soko/ekibun/flutter_qjs/JsEngine.kt

@@ -1,80 +0,0 @@
-package soko.ekibun.flutter_qjs
-
-// import android.util.Log
-// import de.prosiebensat1digital.oasisjsbridge.*
-import io.flutter.plugin.common.MethodChannel
-// import kotlinx.coroutines.*
-
-class JsEngine(private val channel: MethodChannel) {
-//     private val jsBridge = JsBridge(JsBridgeConfig.bareConfig())
-
-//     fun processPromiseQueue() {
-//         JsBridge::class.java.getDeclaredMethod("processPromiseQueue").invoke(jsBridge)
-//     }
-
-//     private fun dartInteract(resolve: (String) -> Unit, reject: (String) -> Unit, method: String, args: String) {
-//         println("dart: $method")
-//         jsBridge.launch(Dispatchers.Main) {
-//             channel.invokeMethod(method, args, object : MethodChannel.Result {
-//                 override fun notImplemented() {
-//                     println("dart error: notImplemented")
-//                     jsBridge.launch(Dispatchers.Main) {
-//                         reject("notImplemented")
-//                         withContext(jsBridge.coroutineContext) {
-//                             processPromiseQueue()
-//                         }
-//                     }
-//                 }
-
-//                 override fun error(error_code: String?, error_message: String?, error_details: Any?) {
-//                     println("dart error: ${error_message ?: "undefined"}")
-//                     jsBridge.launch(Dispatchers.Main) {
-//                         reject(error_message ?: "undefined")
-//                         withContext(jsBridge.coroutineContext) {
-//                             processPromiseQueue()
-//                         }
-//                     }
-//                 }
-
-//                 override fun success(result: Any?) {
-//                     println("dart success: $result")
-//                     jsBridge.launch(Dispatchers.Main) {
-//                         resolve(result.toString())
-//                         withContext(jsBridge.coroutineContext) {
-//                             processPromiseQueue()
-//                         }
-//                     }
-//                 }
-//             })
-//         }
-//     }
-
-//     init {
-// //        jsBridge.initEngine()
-//         jsBridge.launch(Dispatchers.Main) {
-//             JsValue.fromNativeFunction4(jsBridge, ::dartInteract).assignToGlobal("__DartImpl__invoke")
-//             jsBridge.evaluateAsync<Deferred<String>>("""
-//                 this.dart = (method, ...args) => new Promise((res, rej) =>
-//                         this.__DartImpl__invoke((v) => res(JSON.parse(v)), rej, method, JSON.stringify(args)))
-//             """).await().await()
-//         }
-//     }
-
-//     fun eval(script: String, result: MethodChannel.Result) {
-//         jsBridge.launch(Dispatchers.Main) {
-//             try {
-//                 var ret = jsBridge.evaluateAsync<Deferred<String>>(script).await().await()
-//                 println(ret)
-//                 result.success(ret)
-//             } catch (e: Throwable) {
-//                 e.printStackTrace()
-//                 result.error("FlutterJSException", Log.getStackTraceString(e), null)
-//             }
-//         }
-
-//     }
-
-//     fun release() {
-//         jsBridge.release()
-//     }
-}

android/src/main/kotlin/soko/ekibun/flutter_qjs/MethodChannelWrapper.kt

@@ -7,7 +7,7 @@ import io.flutter.plugin.common.MethodChannel
 
 @Keep
 class MethodChannelWrapper(private val handler: Handler, private val channel: MethodChannel) {
-    fun invokeMethod(method: String, arguments: String, promise: Long) {
+    fun invokeMethod(method: String, arguments: Any?, promise: Long) {
         handler.post {
             channel.invokeMethod(method, arguments, object : MethodChannel.Result {
                 override fun notImplemented() {
@@ -19,7 +19,7 @@ class MethodChannelWrapper(private val handler: Handler, private val channel: Me
                 }
 
                 override fun success(data: Any?) {
-                    JniBridge.instance.resolve(promise, data.toString())
+                    JniBridge.instance.resolve(promise, data)
                 }
 
             })

android/src/main/kotlin/soko/ekibun/flutter_qjs/ResultWrapper.kt

@@ -9,7 +9,7 @@ import io.flutter.plugin.common.MethodChannel.Result
 class ResultWrapper(private val handler: Handler, private val result: Result) {
 
   @Keep
-  fun success(dat: String) {
+  fun success(dat: Any?) {
     handler.post { result.success(dat) }
   }
 

example/windows/CMakeLists.txt

@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.15)
-project(flutter_qjs_example LANGUAGES CXX)
+project(example LANGUAGES CXX)
 
-set(BINARY_NAME "flutter_qjs_example")
+set(BINARY_NAME "example")
 
 cmake_policy(SET CMP0063 NEW)
 

example/windows/flutter/.template_version

@@ -1 +1 @@
-4
+5

example/windows/flutter/CMakeLists.txt

@@ -43,6 +43,7 @@ list(APPEND CPP_WRAPPER_SOURCES_PLUGIN
 )
 list(TRANSFORM CPP_WRAPPER_SOURCES_PLUGIN PREPEND "${WRAPPER_ROOT}/")
 list(APPEND CPP_WRAPPER_SOURCES_APP
+  "flutter_engine.cc"
   "flutter_view_controller.cc"
 )
 list(TRANSFORM CPP_WRAPPER_SOURCES_APP PREPEND "${WRAPPER_ROOT}/")
@@ -79,11 +80,13 @@ add_dependencies(flutter_wrapper_app flutter_assemble)
 # _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.
+set(PHONY_OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/_phony_")
+set_source_files_properties("${PHONY_OUTPUT}" PROPERTIES SYMBOLIC TRUE)
 add_custom_command(
   OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS}
     ${CPP_WRAPPER_SOURCES_CORE} ${CPP_WRAPPER_SOURCES_PLUGIN}
     ${CPP_WRAPPER_SOURCES_APP}
-    ${CMAKE_CURRENT_BINARY_DIR}/_phony_
+    ${PHONY_OUTPUT}
   COMMAND ${CMAKE_COMMAND} -E env
     ${FLUTTER_TOOL_ENVIRONMENT}
     "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.bat"

example/windows/runner/flutter_window.cpp

@@ -8,15 +8,22 @@ FlutterWindow::FlutterWindow(RunLoop* run_loop,
 
 FlutterWindow::~FlutterWindow() {}
 
-void FlutterWindow::OnCreate() {
+bool FlutterWindow::OnCreate() {
-  Win32Window::OnCreate();
+  if (!Win32Window::OnCreate()) {
+    return false;
+  }
 
   // The size here is arbitrary since SetChildContent will resize it.
   flutter_controller_ =
       std::make_unique<flutter::FlutterViewController>(100, 100, project_);
+  // Ensure that basic setup of the controller was successful.
+  if (!flutter_controller_->engine() || !flutter_controller_->view()) {
+    return false;
+  }
   RegisterPlugins(flutter_controller_.get());
   run_loop_->RegisterFlutterInstance(flutter_controller_.get());
   SetChildContent(flutter_controller_->view()->GetNativeWindow());
+  return true;
 }
 
 void FlutterWindow::OnDestroy() {

example/windows/runner/flutter_window.h

@@ -20,7 +20,7 @@ class FlutterWindow : public Win32Window {
 
  protected:
   // Win32Window:
-  void OnCreate() override;
+  bool OnCreate() override;
   void OnDestroy() override;
 
  private:

example/windows/runner/win32_window.cpp

@@ -122,9 +122,11 @@ bool Win32Window::CreateAndShow(const std::wstring& title,
       Scale(size.width, scale_factor), Scale(size.height, scale_factor),
       nullptr, nullptr, GetModuleHandle(nullptr), this);
 
-  OnCreate();
+  if (!window) {
+    return false;
+  }
 
-  return window != nullptr;
+  return OnCreate();
 }
 
 // static
@@ -240,8 +242,9 @@ void Win32Window::SetQuitOnClose(bool quit_on_close) {
   quit_on_close_ = quit_on_close;
 }
 
-void Win32Window::OnCreate() {
+bool Win32Window::OnCreate() {
   // No-op; provided for subclasses.
+  return true;
 }
 
 void Win32Window::OnDestroy() {

example/windows/runner/win32_window.h

@@ -62,8 +62,8 @@ class Win32Window {
                                  LPARAM const lparam) noexcept;
 
   // Called when CreateAndShow is called, allowing subclass window-related
-  // setup.
+  // setup. Subclasses should return false if setup fails.
-  virtual void OnCreate();
+  virtual bool OnCreate();
 
   // Called when Destroy is called.
   virtual void OnDestroy();

example/windows/runner/window_configuration.cpp

@@ -1,6 +1,6 @@
 #include "window_configuration.h"
 
-const wchar_t* kFlutterWindowTitle = L"flutter_qjs_example";
+const wchar_t* kFlutterWindowTitle = L"example";
 const unsigned int kFlutterWindowOriginX = 10;
 const unsigned int kFlutterWindowOriginY = 10;
 const unsigned int kFlutterWindowWidth = 1280;

lib/flutter_qjs.dart

@@ -3,9 +3,10 @@
  * @Author: ekibun
  * @Date: 2020-08-08 08:29:09
  * @LastEditors: ekibun
- * @LastEditTime: 2020-08-15 16:21:56
+ * @LastEditTime: 2020-08-16 19:10:47
  */
 import 'dart:async';
+import 'dart:io';
 import 'package:flutter/services.dart';
 
 typedef JsMethodHandler = Future<dynamic> Function(String method, List args);
@@ -24,24 +25,28 @@ class _FlutterJs {
       print(methodHandlers.entries);
       print(methodHandlers[engine]);
       if (methodHandlers[engine] == null) return call.noSuchMethod(null);
-      return await methodHandlers[engine](call.method, _wrapFunctionArguments(args));
+      return await methodHandlers[engine](call.method, _wrapFunctionArguments(args, engine));
     });
   }
-  dynamic _wrapFunctionArguments(dynamic val) {
+  dynamic _wrapFunctionArguments(dynamic val, dynamic engine) {
-    if (val is List) {
+    if (val is List && !(val is List<int>)) {
       for (var i = 0; i < val.length; ++i) {
-        val[i] = _wrapFunctionArguments(val[i]);
+        val[i] = _wrapFunctionArguments(val[i], engine);
       }
     } else if (val is Map) {
-      if (val["__js_function__"] != 0) {
+      // wrap boolean in Android see https://github.com/flutter/flutter/issues/45066
+      if (Platform.isAndroid && val["__js_boolean__"] != null) {
+        return val["__js_boolean__"] != 0;
+      }
+      if (val["__js_function__"] != null) {
         var functionId = val["__js_function__"];
         return (List<dynamic> args) async {
-          var arguments = {"function": functionId, "arguments": args};
+          var arguments = {"engine": engine, "function": functionId, "arguments": args};
-          return await _channel.invokeMethod("call", arguments);
+          return _wrapFunctionArguments(await _channel.invokeMethod("call", arguments), engine);
         };
       } else
         for (var key in val.keys) {
-          val[key] = _wrapFunctionArguments(val[key]);
+          val[key] = _wrapFunctionArguments(val[key], engine);
         }
     }
     return val;
@@ -80,6 +85,6 @@ class FlutterJs {
     ensureEngine();
     var arguments = {"engine": _engine, "script": command, "name": command};
     return _FlutterJs.instance._wrapFunctionArguments(
-        await _FlutterJs.instance._channel.invokeMethod("evaluate", arguments));
+        await _FlutterJs.instance._channel.invokeMethod("evaluate", arguments), _engine);
   }
 }

windows/dart_js_wrapper.hpp

@@ -3,7 +3,7 @@
  * @Author: ekibun
  * @Date: 2020-08-14 21:45:02
  * @LastEditors: ekibun
- * @LastEditTime: 2020-08-15 15:42:55
+ * @LastEditTime: 2020-08-16 19:52:35
  */
 #include "../cxx/js_engine.hpp"
 #include <flutter/standard_method_codec.h>
@@ -32,8 +32,12 @@ namespace std
 
 namespace qjs
 {
-  JSValue dartToJsAtom(JSContext *ctx, flutter::EncodableValue val)
+  JSValue dartToJs(JSContext *ctx, flutter::EncodableValue val, std::unordered_map<flutter::EncodableValue, JSValue> cache = std::unordered_map<flutter::EncodableValue, JSValue>())
   {
+    if (val.IsNull())
+      return JS_UNDEFINED;
+    if (cache.find(val) != cache.end())
+      return cache[val];
     if (std::holds_alternative<bool>(val))
       return JS_NewBool(ctx, std::get<bool>(val));
     if (std::holds_alternative<int32_t>(val))
@@ -44,20 +48,6 @@ namespace qjs
       return JS_NewFloat64(ctx, std::get<double>(val));
     if (std::holds_alternative<std::string>(val))
       return JS_NewString(ctx, std::get<std::string>(val).c_str());
-    return JS_UNDEFINED;
-  }
-
-  JSValue dartToJs(JSContext *ctx, flutter::EncodableValue val, std::unordered_map<flutter::EncodableValue, JSValue> cache = std::unordered_map<flutter::EncodableValue, JSValue>())
-  {
-    if (val.IsNull())
-      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<std::vector<uint8_t>>(val))
     {
       auto buf = std::get<std::vector<uint8_t>>(val);
@@ -117,8 +107,17 @@ namespace qjs
       return cache[val];
     if (JS_IsBool(val.v))
       return (bool)val;
-    if (JS_IsNumber(val.v))
+    {
+      int tag = JS_VALUE_GET_TAG(val.v);
+      if (tag == JS_TAG_INT)
+      {
+        return (int64_t)val;
+      }
+      else if (JS_TAG_IS_FLOAT64(tag))
+      {
         return (double)val;
+      }
+    }
     if (JS_IsString(val.v))
       return (std::string)val;
     { // ArrayBuffer

windows/include/flutter_qjs/flutter_qjs_plugin.h

@@ -1,5 +1,5 @@
-#ifndef FLUTTER_PLUGIN_FLUTTER_JS_PLUGIN_H_
+#ifndef FLUTTER_PLUGIN_FLUTTER_QJS_PLUGIN_H_
-#define FLUTTER_PLUGIN_FLUTTER_JS_PLUGIN_H_
+#define FLUTTER_PLUGIN_FLUTTER_QJS_PLUGIN_H_
 
 #include <flutter_plugin_registrar.h>
 
@@ -20,4 +20,4 @@ FLUTTER_PLUGIN_EXPORT void FlutterQjsPluginRegisterWithRegistrar(
 }  // extern "C"
 #endif
 
-#endif  // FLUTTER_PLUGIN_FLUTTER_JS_PLUGIN_H_
+#endif  // FLUTTER_PLUGIN_FLUTTER_QJS_PLUGIN_H_