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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/react-native/ReactCommon/cxxreact
Просмотр файла: JSExecutor.h

/*
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

#pragma once

#include <memory>
#include <string>

#include <cxxreact/NativeModule.h>
#include <folly/dynamic.h>
#include <jsinspector-modern/InspectorInterfaces.h>
#include <jsinspector-modern/ReactCdp.h>
#include <react/timing/primitives.h>

#ifndef RN_EXPORT
#define RN_EXPORT __attribute__((visibility("default")))
#endif

namespace facebook::react {

class JSBigString;
class JSExecutor;
class JSModulesUnbundle;
class MessageQueueThread;
class ModuleRegistry;
class RAMBundleRegistry;

// This interface describes the delegate interface required by
// Executor implementations to call from JS into native code.
class ExecutorDelegate {
 public:
  virtual ~ExecutorDelegate() = default;

  virtual std::shared_ptr<ModuleRegistry> getModuleRegistry() = 0;

  virtual void callNativeModules(
      JSExecutor& executor,
      folly::dynamic&& calls,
      bool isEndOfBatch) = 0;
  virtual MethodCallResult callSerializableNativeHook(
      JSExecutor& executor,
      unsigned int moduleId,
      unsigned int methodId,
      folly::dynamic&& args) = 0;
};

class JSExecutorFactory {
 public:
  virtual std::unique_ptr<JSExecutor> createJSExecutor(
      std::shared_ptr<ExecutorDelegate> delegate,
      std::shared_ptr<MessageQueueThread> jsQueue) = 0;
  virtual ~JSExecutorFactory() = default;
};

class RN_EXPORT JSExecutor {
 public:
  /**
   * Prepares the JS runtime for React Native by installing global variables.
   * Called once before any JS is evaluated.
   */
  virtual void initializeRuntime() = 0;
  /**
   * Execute an application script bundle in the JS context.
   */
  virtual void loadBundle(
      std::unique_ptr<const JSBigString> script,
      std::string sourceURL) = 0;

#ifndef RCT_FIT_RM_OLD_RUNTIME
  /**
   * Add an application "RAM" bundle registry
   */
  virtual void setBundleRegistry(
      std::unique_ptr<RAMBundleRegistry> bundleRegistry) = 0;
#endif // RCT_FIT_RM_OLD_RUNTIME

  /**
   * Register a file path for an additional "RAM" bundle
   */
  virtual void registerBundle(
      uint32_t bundleId,
      const std::string& bundlePath) = 0;

  /**
   * Executes BatchedBridge.callFunctionReturnFlushedQueue with the module ID,
   * method ID and optional additional arguments in JS. The executor is
   * responsible for using Bridge->callNativeModules to invoke any necessary
   * native modules methods.
   */
  virtual void callFunction(
      const std::string& moduleId,
      const std::string& methodId,
      const folly::dynamic& arguments) = 0;

  /**
   * Executes BatchedBridge.invokeCallbackAndReturnFlushedQueue with the cbID,
   * and optional additional arguments in JS and returns the next queue. The
   * executor is responsible for using Bridge->callNativeModules to invoke any
   * necessary native modules methods.
   */
  virtual void invokeCallback(
      const double callbackId,
      const folly::dynamic& arguments) = 0;

  virtual void setGlobalVariable(
      std::string propName,
      std::unique_ptr<const JSBigString> jsonValue) = 0;

  virtual void* getJavaScriptContext() {
    return nullptr;
  }

  /**
   * Returns whether or not the underlying executor supports debugging via the
   * Chrome remote debugging protocol. If true, the executor should also
   * override the \c createAgentDelegate method.
   */
  virtual bool isInspectable() {
    return false;
  }

  /**
   * The description is displayed in the dev menu, if there is one in
   * this build.  There is a default, but if this method returns a
   * non-empty string, it will be used instead.
   */
  virtual std::string getDescription() = 0;

  virtual void handleMemoryPressure([[maybe_unused]] int pressureLevel) {}

  virtual void destroy() {}
  virtual ~JSExecutor() = default;

  virtual void flush() {}

  static std::string getSyntheticBundlePath(
      uint32_t bundleId,
      const std::string& bundlePath);

  /**
   * Get a reference to the \c RuntimeTargetDelegate owned (or implemented) by
   * this executor. This reference must remain valid for the duration of the
   * executor's lifetime.
   */
  virtual jsinspector_modern::RuntimeTargetDelegate& getRuntimeTargetDelegate();

 private:
  /**
   * Initialized by \c getRuntimeTargetDelegate if not overridden, and then
   * never changes.
   */
  std::optional<jsinspector_modern::FallbackRuntimeTargetDelegate>
      runtimeTargetDelegate_;
};

} // namespace facebook::react
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