93 строки
2.6 KiB
C++
93 строки
2.6 KiB
C++
// Copyright 2004-present Facebook. All Rights Reserved.
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#pragma once
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#include <condition_variable>
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#include <memory>
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#include <cxxreact/NativeToJsBridge.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 folly {
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struct dynamic;
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}
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namespace facebook {
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namespace react {
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class JSBigString;
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class JSExecutorFactory;
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class JSModulesUnbundle;
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class MessageQueueThread;
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class ModuleRegistry;
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struct InstanceCallback {
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virtual ~InstanceCallback() {}
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virtual void onBatchComplete() = 0;
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virtual void incrementPendingJSCalls() = 0;
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virtual void decrementPendingJSCalls() = 0;
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};
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class RN_EXPORT Instance {
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public:
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~Instance();
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void initializeBridge(
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std::unique_ptr<InstanceCallback> callback,
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std::shared_ptr<JSExecutorFactory> jsef,
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std::shared_ptr<MessageQueueThread> jsQueue,
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std::shared_ptr<ModuleRegistry> moduleRegistry);
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void setSourceURL(std::string sourceURL);
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void loadScriptFromString(
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std::unique_ptr<const JSBigString> string,
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std::string sourceURL,
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bool loadSynchronously);
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void loadUnbundle(
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std::unique_ptr<JSModulesUnbundle> unbundle,
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std::unique_ptr<const JSBigString> startupScript,
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std::string startupScriptSourceURL,
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bool loadSynchronously);
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bool supportsProfiling();
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void setGlobalVariable(std::string propName, std::unique_ptr<const JSBigString> jsonValue);
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void *getJavaScriptContext();
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void callJSFunction(std::string&& module, std::string&& method, folly::dynamic&& params);
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void callJSCallback(uint64_t callbackId, folly::dynamic&& params);
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// This method is experimental, and may be modified or removed.
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template <typename T>
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Value callFunctionSync(const std::string& module, const std::string& method, T&& args) {
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CHECK(nativeToJsBridge_);
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return nativeToJsBridge_->callFunctionSync(module, method, std::forward<T>(args));
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}
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#ifdef WITH_JSC_MEMORY_PRESSURE
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void handleMemoryPressure(int pressureLevel);
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#endif
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private:
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void callNativeModules(folly::dynamic&& calls, bool isEndOfBatch);
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void loadApplication(
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std::unique_ptr<JSModulesUnbundle> unbundle,
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std::unique_ptr<const JSBigString> startupScript,
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std::string startupScriptSourceURL);
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void loadApplicationSync(
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std::unique_ptr<JSModulesUnbundle> unbundle,
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std::unique_ptr<const JSBigString> startupScript,
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std::string startupScriptSourceURL);
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std::shared_ptr<InstanceCallback> callback_;
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std::unique_ptr<NativeToJsBridge> nativeToJsBridge_;
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std::shared_ptr<ModuleRegistry> moduleRegistry_;
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std::mutex m_syncMutex;
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std::condition_variable m_syncCV;
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bool m_syncReady = false;
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};
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} }
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