GT2/GT2-Android/node_modules/react-native/ReactCommon/cxxreact/JSCExecutor.h

149 lines
4.7 KiB
C++

// Copyright 2004-present Facebook. All Rights Reserved.
#pragma once
#include <cstdint>
#include <memory>
#include <mutex>
#include <cxxreact/JSCNativeModules.h>
#include <cxxreact/JSExecutor.h>
#include <folly/Optional.h>
#include <folly/json.h>
#include <jschelpers/JSCHelpers.h>
#include <jschelpers/JavaScriptCore.h>
#include <jschelpers/Value.h>
#include <privatedata/PrivateDataBase.h>
#ifndef RN_EXPORT
#define RN_EXPORT __attribute__((visibility("default")))
#endif
namespace facebook {
namespace react {
class MessageQueueThread;
class RAMBundleRegistry;
class RN_EXPORT JSCExecutorFactory : public JSExecutorFactory {
public:
JSCExecutorFactory(const folly::dynamic& jscConfig) :
m_jscConfig(jscConfig) {}
std::unique_ptr<JSExecutor> createJSExecutor(
std::shared_ptr<ExecutorDelegate> delegate,
std::shared_ptr<MessageQueueThread> jsQueue) override;
private:
std::string m_cacheDir;
folly::dynamic m_jscConfig;
};
template<typename T>
struct JSCValueEncoder {
// If you get a build error here, it means the compiler can't see the template instantation of toJSCValue
// applicable to your type.
static const Value toJSCValue(JSGlobalContextRef ctx, T&& value);
};
template<>
struct JSCValueEncoder<folly::dynamic> {
static const Value toJSCValue(JSGlobalContextRef ctx, const folly::dynamic &&value) {
return Value::fromDynamic(ctx, value);
}
};
class RN_EXPORT JSCExecutor : public JSExecutor, public PrivateDataBase {
public:
/**
* Must be invoked from thread this Executor will run on.
*/
explicit JSCExecutor(std::shared_ptr<ExecutorDelegate> delegate,
std::shared_ptr<MessageQueueThread> messageQueueThread,
const folly::dynamic& jscConfig) throw(JSException);
~JSCExecutor() override;
virtual void loadApplicationScript(
std::unique_ptr<const JSBigString> script,
std::string sourceURL) override;
virtual void setBundleRegistry(std::unique_ptr<RAMBundleRegistry> bundleRegistry) override;
virtual void registerBundle(uint32_t bundleId, const std::string& bundlePath) override;
virtual void callFunction(
const std::string& moduleId,
const std::string& methodId,
const folly::dynamic& arguments) override;
virtual void invokeCallback(
const double callbackId,
const folly::dynamic& arguments) override;
template <typename T>
Value callFunctionSync(
const std::string& module, const std::string& method, T&& args) {
return callFunctionSyncWithValue(
module, method, JSCValueEncoder<typename std::decay<T>::type>::toJSCValue(
m_context, std::forward<T>(args)));
}
virtual void setGlobalVariable(
std::string propName,
std::unique_ptr<const JSBigString> jsonValue) override;
virtual std::string getDescription() override;
virtual void* getJavaScriptContext() override;
#ifdef WITH_JSC_MEMORY_PRESSURE
virtual void handleMemoryPressure(int pressureLevel) override;
#endif
virtual void destroy() override;
void setContextName(const std::string& name);
private:
JSGlobalContextRef m_context;
std::shared_ptr<ExecutorDelegate> m_delegate;
std::shared_ptr<bool> m_isDestroyed = std::shared_ptr<bool>(new bool(false));
std::shared_ptr<MessageQueueThread> m_messageQueueThread;
std::unique_ptr<RAMBundleRegistry> m_bundleRegistry;
JSCNativeModules m_nativeModules;
folly::dynamic m_jscConfig;
std::once_flag m_bindFlag;
folly::Optional<Object> m_invokeCallbackAndReturnFlushedQueueJS;
folly::Optional<Object> m_callFunctionReturnFlushedQueueJS;
folly::Optional<Object> m_flushedQueueJS;
folly::Optional<Object> m_callFunctionReturnResultAndFlushedQueueJS;
void initOnJSVMThread() throw(JSException);
static bool isNetworkInspected(const std::string &owner, const std::string &app, const std::string &device);
// This method is experimental, and may be modified or removed.
Value callFunctionSyncWithValue(
const std::string& module, const std::string& method, Value value);
void terminateOnJSVMThread();
void bindBridge() throw(JSException);
void callNativeModules(Value&&);
void flush();
void flushQueueImmediate(Value&&);
void loadModule(uint32_t bundleId, uint32_t moduleId);
String adoptString(std::unique_ptr<const JSBigString>);
template<JSValueRef (JSCExecutor::*method)(size_t, const JSValueRef[])>
void installNativeHook(const char* name);
JSValueRef getNativeModule(JSObjectRef object, JSStringRef propertyName);
JSValueRef nativeRequire(
size_t argumentCount,
const JSValueRef arguments[]);
JSValueRef nativeFlushQueueImmediate(
size_t argumentCount,
const JSValueRef arguments[]);
JSValueRef nativeCallSyncHook(
size_t argumentCount,
const JSValueRef arguments[]);
};
} }