nyne/flutter_qjs
1
0
Fork 0
mirror of https://github.com/wgh136/flutter_qjs.git synced 2025-09-27 13:27:24 +00:00
Code Issues Packages Projects Releases Wiki Activity

add function channel

Browse Source
This commit is contained in:
ekibun
2020-08-15 14:52:53 +08:00
parent 2731f97c63
commit 7b35868c5c
12 changed files with 313 additions and 52 deletions
Download Patch File Download Diff File Expand all files Collapse all files

48
windows/flutter_qjs_plugin.cpp
View File

@@ -8,7 +8,7 @@
#include <flutter/standard_method_codec.h>
#include <flutter/method_result_functions.h>
#include "../cxx/js_engine.hpp"
#include "dart_js_wrapper.hpp"
namespace
{
@@ -30,17 +30,17 @@ namespace
};
std::shared_ptr<flutter::MethodChannel<flutter::EncodableValue>> channel;
std::future<qjs::JSFutureReturn> invokeChannelMethod(std::string name, std::string args)
std::promise<qjs::JSFutureReturn> *invokeChannelMethod(std::string name, qjs::Value args)
{
auto promise = new std::promise<qjs::JSFutureReturn>();
channel->InvokeMethod(
name,
std::make_unique<flutter::EncodableValue>(args),
std::make_unique<flutter::EncodableValue>(qjs::jsToDart(args, std::unordered_map<qjs::Value, flutter::EncodableValue>())),
std::make_unique<flutter::MethodResultFunctions<flutter::EncodableValue>>(
(flutter::ResultHandlerSuccess<flutter::EncodableValue>)[promise](
const flutter::EncodableValue *result) {
promise->set_value((qjs::JSFutureReturn)[rep = std::get<std::string>(*result)](qjs::JSContext * ctx) {
qjs::JSValue *ret = new qjs::JSValue{JS_NewString(ctx, rep.c_str())};
promise->set_value((qjs::JSFutureReturn)[result = result ? *result : flutter::EncodableValue()](qjs::JSContext * ctx) {
qjs::JSValue *ret = new qjs::JSValue{qjs::dartToJs(ctx, result, std::unordered_map<flutter::EncodableValue, qjs::JSValue>())};
return qjs::JSOSFutureArgv{1, ret};
});
},
@@ -59,7 +59,7 @@ namespace
return qjs::JSOSFutureArgv{-1, ret};
});
}));
return promise->get_future();
return promise;
}
// static
@@ -111,7 +111,7 @@ namespace
if (method_call.method_name().compare("initEngine") == 0)
{
engine = new qjs::Engine((qjs::DartChannel)invokeChannelMethod);
flutter::EncodableValue response((long)engine);
flutter::EncodableValue response = (int64_t)engine;
result->Success(&response);
}
else if (method_call.method_name().compare("evaluate") == 0)
@@ -121,9 +121,39 @@ namespace
std::string name = std::get<std::string>(ValueOrNull(args, "name"));
auto presult = result.release();
engine->commit(qjs::EngineTask{
script, name,
[script, name](qjs::Context &ctx) {
return ctx.eval(script, name.c_str(), JS_EVAL_TYPE_GLOBAL);
},
[presult](std::string resolve) {
flutter::EncodableValue response(resolve);
flutter::EncodableValue response = resolve;
presult->Success(&response);
},
[presult](std::string reject) {
presult->Error("FlutterJSException", reject);
}});
}
else if (method_call.method_name().compare("call") == 0)
{
flutter::EncodableMap args = *std::get_if<flutter::EncodableMap>(method_call.arguments());
qjs::JSValue *function = (qjs::JSValue *)std::get<int64_t>(ValueOrNull(args, "function"));
flutter::EncodableList arguments = std::get<flutter::EncodableList>(ValueOrNull(args, "arguments"));
auto presult = result.release();
engine->commit(qjs::EngineTask{
[function, arguments](qjs::Context &ctx) {
size_t argscount = arguments.size();
qjs::JSValue *callargs = new qjs::JSValue[argscount];
for (size_t i = 0; i < argscount; i++)
{
callargs[i] = qjs::dartToJs(ctx.ctx, arguments[i], std::unordered_map<flutter::EncodableValue, qjs::JSValue>());
}
qjs::JSValue ret = JS_Call(ctx.ctx, *function, qjs::JSValue{qjs::JSValueUnion{0}, qjs::JS_TAG_UNDEFINED}, (int)argscount, callargs);
qjs::JS_FreeValue(ctx.ctx, *function);
if (qjs::JS_IsException(ret))
throw qjs::exception{};
return qjs::Value{ctx.ctx, ret};
},
[presult](std::string resolve) {
flutter::EncodableValue response = resolve;
presult->Success(&response);
},
[presult](std::string reject) {