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feat: decode audio data source with promise (#220)
* feat: decode audio data source with promise * fix: linter
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@@ -83,3 +83,4 @@ react-native-audio-api*.tgz | |
| # Android | ||
| .kotlin | ||
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| .env | ||
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59 changes: 59 additions & 0 deletions
59
packages/react-native-audio-api/common/cpp/utils/JsiPromise.cpp
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| #include "JsiPromise.h" | ||
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| #include <jsi/jsi.h> | ||
| #include <ReactCommon/CallInvoker.h> | ||
| #include <functional> | ||
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| namespace JsiPromise { | ||
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| using namespace facebook; | ||
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| jsi::Value PromiseVendor::createPromise(std::function<void(std::shared_ptr<Promise>)> func) { | ||
| if (_runtime == nullptr) { | ||
| throw new std::runtime_error("Runtime was null!"); | ||
| } | ||
| auto& runtime = *_runtime; | ||
| auto callInvoker = _callInvoker; | ||
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| // get Promise constructor | ||
| auto promiseCtor = runtime.global().getPropertyAsFunction(runtime, "Promise"); | ||
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| // create a "run" function (first Promise arg) | ||
| auto runPromise = jsi::Function::createFromHostFunction(runtime, | ||
| jsi::PropNameID::forUtf8(runtime, "runPromise"), | ||
| 2, | ||
| [callInvoker, func](jsi::Runtime& runtime, | ||
| const jsi::Value& thisValue, | ||
| const jsi::Value* arguments, | ||
| size_t count) -> jsi::Value { | ||
| auto resolveLocal = arguments[0].asObject(runtime).asFunction(runtime); | ||
| auto resolve = std::make_shared<jsi::Function>(std::move(resolveLocal)); | ||
| auto rejectLocal = arguments[1].asObject(runtime).asFunction(runtime); | ||
| auto reject = std::make_shared<jsi::Function>(std::move(rejectLocal)); | ||
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| auto resolveWrapper = [resolve, &runtime, callInvoker](jsi::Value value) -> void { | ||
| auto valueShared = std::make_shared<jsi::Value>(std::move(value)); | ||
| callInvoker->invokeAsync([resolve, &runtime, valueShared]() -> void { | ||
| resolve->call(runtime, *valueShared); | ||
| }); | ||
| }; | ||
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| auto rejectWrapper = [reject, &runtime, callInvoker](const std::string& errorMessage) -> void { | ||
| auto error = jsi::JSError(runtime, errorMessage); | ||
| auto errorShared = std::make_shared<jsi::JSError>(error); | ||
| callInvoker->invokeAsync([reject, &runtime, errorShared]() -> void { | ||
| reject->call(runtime, errorShared->value()); | ||
| }); | ||
| }; | ||
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| auto promise = std::make_shared<Promise>(resolveWrapper, rejectWrapper); | ||
| func(promise); | ||
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| return jsi::Value::undefined(); | ||
| }); | ||
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| // return new Promise((resolve, reject) => ...) | ||
| return promiseCtor.callAsConstructor(runtime, runPromise); | ||
| } | ||
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| } // namespace JsiPromise |
42 changes: 42 additions & 0 deletions
42
packages/react-native-audio-api/common/cpp/utils/JsiPromise.h
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| @@ -0,0 +1,42 @@ | ||
| #pragma once | ||
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| #include <ReactCommon/CallInvoker.h> | ||
| #include <jsi/jsi.h> | ||
| #include <utility> | ||
| #include <memory> | ||
| #include <string> | ||
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| namespace JsiPromise { | ||
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| using namespace facebook; | ||
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| class Promise { | ||
| public: | ||
| Promise(std::function<void(jsi::Value)> resolve, std::function<void(const std::string&)> reject): _resolve(std::move(resolve)), _reject(std::move(reject)) {} | ||
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| bool isResolved; | ||
| void resolve(jsi::Value&& value) { | ||
| _resolve(std::forward<jsi::Value>(value)); | ||
| } | ||
| void reject(const std::string& errorMessage) { | ||
| _reject(errorMessage); | ||
| } | ||
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| private: | ||
| std::function<void(jsi::Value)> _resolve; | ||
| std::function<void(const std::string&)> _reject; | ||
| }; | ||
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| class PromiseVendor { | ||
| public: | ||
| PromiseVendor(jsi::Runtime* runtime, std::shared_ptr<react::CallInvoker> callInvoker): _runtime(runtime), _callInvoker(callInvoker) {} | ||
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| public: | ||
| jsi::Value createPromise(std::function<void(std::shared_ptr<Promise>)> func); | ||
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| private: | ||
| jsi::Runtime* _runtime; | ||
| std::shared_ptr<react::CallInvoker> _callInvoker; | ||
| }; | ||
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| } // namespace JsiPromise |
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