134 строки
4.0 KiB
C++
134 строки
4.0 KiB
C++
// Copyright 2004-present Facebook. All Rights Reserved.
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#pragma once
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#include <cstdint>
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#include <memory>
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#include <mutex>
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#include <unordered_map>
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#include <cxxreact/JSCNativeModules.h>
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#include <cxxreact/JSExecutor.h>
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#include <folly/Optional.h>
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#include <folly/json.h>
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#include <jschelpers/JSCHelpers.h>
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#include <jschelpers/JavaScriptCore.h>
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#include <jschelpers/Value.h>
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#ifndef RN_EXPORT
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#define RN_EXPORT __attribute__((visibility("default")))
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#endif
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namespace facebook {
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namespace react {
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class MessageQueueThread;
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class RN_EXPORT JSCExecutorFactory : public JSExecutorFactory {
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public:
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JSCExecutorFactory(const folly::dynamic& jscConfig) :
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m_jscConfig(jscConfig) {}
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std::unique_ptr<JSExecutor> createJSExecutor(
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std::shared_ptr<ExecutorDelegate> delegate,
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std::shared_ptr<MessageQueueThread> jsQueue) override;
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private:
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std::string m_cacheDir;
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folly::dynamic m_jscConfig;
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};
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template <typename T>
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struct ValueEncoder;
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class RN_EXPORT JSCExecutor : public JSExecutor {
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public:
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/**
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* Must be invoked from thread this Executor will run on.
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*/
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explicit JSCExecutor(std::shared_ptr<ExecutorDelegate> delegate,
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std::shared_ptr<MessageQueueThread> messageQueueThread,
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const folly::dynamic& jscConfig) throw(JSException);
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~JSCExecutor() override;
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virtual void loadApplicationScript(
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std::unique_ptr<const JSBigString> script,
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std::string sourceURL) override;
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virtual void setJSModulesUnbundle(
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std::unique_ptr<JSModulesUnbundle> unbundle) override;
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virtual void callFunction(
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const std::string& moduleId,
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const std::string& methodId,
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const folly::dynamic& arguments) override;
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virtual void invokeCallback(
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const double callbackId,
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const folly::dynamic& arguments) override;
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template <typename T>
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Value callFunctionSync(
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const std::string& module, const std::string& method, T&& args) {
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return callFunctionSyncWithValue(
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module, method, ValueEncoder<typename std::decay<T>::type>::toValue(
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m_context, std::forward<T>(args)));
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}
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virtual void setGlobalVariable(
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std::string propName,
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std::unique_ptr<const JSBigString> jsonValue) override;
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virtual void* getJavaScriptContext() override;
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#ifdef WITH_JSC_MEMORY_PRESSURE
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virtual void handleMemoryPressure(int pressureLevel) override;
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#endif
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virtual void destroy() override;
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void setContextName(const std::string& name);
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private:
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JSGlobalContextRef m_context;
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std::shared_ptr<ExecutorDelegate> m_delegate;
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std::shared_ptr<bool> m_isDestroyed = std::shared_ptr<bool>(new bool(false));
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std::shared_ptr<MessageQueueThread> m_messageQueueThread;
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std::unique_ptr<JSModulesUnbundle> m_unbundle;
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JSCNativeModules m_nativeModules;
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folly::dynamic m_jscConfig;
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std::once_flag m_bindFlag;
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folly::Optional<Object> m_invokeCallbackAndReturnFlushedQueueJS;
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folly::Optional<Object> m_callFunctionReturnFlushedQueueJS;
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folly::Optional<Object> m_flushedQueueJS;
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folly::Optional<Object> m_callFunctionReturnResultAndFlushedQueueJS;
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void initOnJSVMThread() throw(JSException);
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// This method is experimental, and may be modified or removed.
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Value callFunctionSyncWithValue(
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const std::string& module, const std::string& method, Value value);
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void terminateOnJSVMThread();
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void bindBridge() throw(JSException);
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void callNativeModules(Value&&);
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void flush();
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void flushQueueImmediate(Value&&);
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void loadModule(uint32_t moduleId);
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String adoptString(std::unique_ptr<const JSBigString>);
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template<JSValueRef (JSCExecutor::*method)(size_t, const JSValueRef[])>
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void installNativeHook(const char* name);
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JSValueRef getNativeModule(JSObjectRef object, JSStringRef propertyName);
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JSValueRef nativeRequire(
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size_t argumentCount,
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const JSValueRef arguments[]);
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JSValueRef nativeFlushQueueImmediate(
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size_t argumentCount,
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const JSValueRef arguments[]);
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JSValueRef nativeCallSyncHook(
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size_t argumentCount,
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const JSValueRef arguments[]);
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};
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} }
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