react-native/ReactCommon/cxxreact/Instance.h

90 lines
3.0 KiB
C++

// Copyright 2004-present Facebook. All Rights Reserved.
#pragma once
#include <condition_variable>
#include <memory>
#include <cxxreact/NativeToJsBridge.h>
#ifndef RN_EXPORT
#define RN_EXPORT __attribute__((visibility("default")))
#endif
namespace folly {
struct dynamic;
}
namespace facebook {
namespace react {
class JSBigString;
class JSExecutorFactory;
class MessageQueueThread;
class ModuleRegistry;
class RAMBundleRegistry;
struct InstanceCallback {
virtual ~InstanceCallback() {}
virtual void onBatchComplete() {}
virtual void incrementPendingJSCalls() {}
virtual void decrementPendingJSCalls() {}
};
class RN_EXPORT Instance {
public:
~Instance();
void initializeBridge(std::unique_ptr<InstanceCallback> callback,
std::shared_ptr<JSExecutorFactory> jsef,
std::shared_ptr<MessageQueueThread> jsQueue,
std::shared_ptr<ModuleRegistry> moduleRegistry);
void setSourceURL(std::string sourceURL);
void loadScriptFromString(std::unique_ptr<const JSBigString> string,
std::string sourceURL, bool loadSynchronously);
static bool isIndexedRAMBundle(const char *sourcePath);
void loadRAMBundleFromFile(const std::string& sourcePath,
const std::string& sourceURL,
bool loadSynchronously);
void loadRAMBundle(std::unique_ptr<RAMBundleRegistry> bundleRegistry,
std::unique_ptr<const JSBigString> startupScript,
std::string startupScriptSourceURL, bool loadSynchronously);
bool supportsProfiling();
void setGlobalVariable(std::string propName,
std::unique_ptr<const JSBigString> jsonValue);
void *getJavaScriptContext();
bool isInspectable();
void callJSFunction(std::string &&module, std::string &&method,
folly::dynamic &&params);
void callJSCallback(uint64_t callbackId, folly::dynamic &&params);
// This method is experimental, and may be modified or removed.
void registerBundle(uint32_t bundleId, const std::string& bundlePath);
const ModuleRegistry &getModuleRegistry() const;
ModuleRegistry &getModuleRegistry();
void handleMemoryPressure(int pressureLevel);
private:
void callNativeModules(folly::dynamic &&calls, bool isEndOfBatch);
void loadApplication(std::unique_ptr<RAMBundleRegistry> bundleRegistry,
std::unique_ptr<const JSBigString> startupScript,
std::string startupScriptSourceURL);
void loadApplicationSync(std::unique_ptr<RAMBundleRegistry> bundleRegistry,
std::unique_ptr<const JSBigString> startupScript,
std::string startupScriptSourceURL);
std::shared_ptr<InstanceCallback> callback_;
std::unique_ptr<NativeToJsBridge> nativeToJsBridge_;
std::shared_ptr<ModuleRegistry> moduleRegistry_;
std::mutex m_syncMutex;
std::condition_variable m_syncCV;
bool m_syncReady = false;
};
} // namespace react
} // namespace facebook