react-native/ReactCommon/cxxreact/Instance.h

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// Copyright 2004-present Facebook. All Rights Reserved.
#pragma once
#include <memory>
#include <folly/dynamic.h>
#include "NativeToJsBridge.h"
#include "ModuleRegistry.h"
#include "NativeModule.h"
namespace facebook {
namespace react {
class JSExecutorFactory;
struct InstanceCallback {
virtual ~InstanceCallback() {}
virtual void onBatchComplete() = 0;
virtual void incrementPendingJSCalls() = 0;
virtual void decrementPendingJSCalls() = 0;
virtual void onNativeException(const std::string& what) = 0;
virtual ExecutorToken createExecutorToken() = 0;
virtual void onExecutorStopped(ExecutorToken) = 0;
};
class Instance {
public:
~Instance();
void initializeBridge(
std::unique_ptr<InstanceCallback> callback,
std::shared_ptr<JSExecutorFactory> jsef,
std::shared_ptr<MessageQueueThread> jsQueue,
std::unique_ptr<MessageQueueThread> nativeQueue,
std::shared_ptr<ModuleRegistry> moduleRegistry);
void loadScriptFromString(std::unique_ptr<const JSBigString> string, std::string sourceURL);
void loadScriptFromFile(const std::string& filename, const std::string& sourceURL);
void loadUnbundle(
std::unique_ptr<JSModulesUnbundle> unbundle,
std::unique_ptr<const JSBigString> startupScript,
std::string startupScriptSourceURL);
bool supportsProfiling();
void startProfiler(const std::string& title);
void stopProfiler(const std::string& title, const std::string& filename);
void setGlobalVariable(std::string propName, std::unique_ptr<const JSBigString> jsonValue);
void callJSFunction(ExecutorToken token, const std::string& module, const std::string& method,
folly::dynamic&& params, const std::string& tracingName);
void callJSCallback(ExecutorToken token, uint64_t callbackId, folly::dynamic&& params);
MethodCallResult callSerializableNativeHook(ExecutorToken token, unsigned int moduleId,
unsigned int methodId, folly::dynamic&& args);
ExecutorToken getMainExecutorToken();
void handleMemoryPressureUiHidden();
void handleMemoryPressureModerate();
void handleMemoryPressureCritical();
private:
void callNativeModules(ExecutorToken token, const std::string& calls, bool isEndOfBatch);
std::shared_ptr<InstanceCallback> callback_;
std::unique_ptr<NativeToJsBridge> nativeToJsBridge_;
};
}
}