135 lines
4.3 KiB
C++
135 lines
4.3 KiB
C++
// Copyright 2004-present Facebook. All Rights Reserved.
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#include "Instance.h"
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#include "Executor.h"
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#include "MethodCall.h"
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#include "SystraceSection.h"
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#include <folly/json.h>
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#include <folly/Memory.h>
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#include <folly/MoveWrapper.h>
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#include <glog/logging.h>
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#include <condition_variable>
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#include <fstream>
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#include <mutex>
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#include <string>
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namespace facebook {
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namespace react {
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Instance::~Instance() {
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if (nativeToJsBridge_) {
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nativeToJsBridge_->destroy();
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}
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}
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void Instance::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::unique_ptr<MessageQueueThread> nativeQueue,
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std::shared_ptr<ModuleRegistry> moduleRegistry) {
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callback_ = std::move(callback);
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jsQueue->runOnQueueSync(
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[this, &jsef, moduleRegistry, jsQueue,
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nativeQueue=folly::makeMoveWrapper(std::move(nativeQueue))] () mutable {
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nativeToJsBridge_ = folly::make_unique<NativeToJsBridge>(
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jsef.get(), moduleRegistry, jsQueue, nativeQueue.move(), callback_);
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});
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CHECK(nativeToJsBridge_);
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}
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void Instance::loadScriptFromString(std::unique_ptr<const JSBigString> string,
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std::string sourceURL) {
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callback_->incrementPendingJSCalls();
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SystraceSection s("reactbridge_xplat_loadScriptFromString",
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"sourceURL", sourceURL);
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// TODO mhorowitz: ReactMarker around loadApplicationScript
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nativeToJsBridge_->loadApplicationScript(std::move(string), std::move(sourceURL));
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}
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void Instance::loadScriptFromFile(const std::string& filename,
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const std::string& sourceURL) {
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// TODO mhorowitz: ReactMarker around file read
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std::unique_ptr<JSBigBufferString> buf;
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{
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SystraceSection s("reactbridge_xplat_loadScriptFromFile",
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"fileName", filename);
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std::ifstream jsfile(filename);
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if (!jsfile) {
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LOG(ERROR) << "Unable to load script from file" << filename;
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} else {
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jsfile.seekg(0, std::ios::end);
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buf.reset(new JSBigBufferString(jsfile.tellg()));
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jsfile.seekg(0, std::ios::beg);
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jsfile.read(buf->data(), buf->size());
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}
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}
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loadScriptFromString(std::move(buf), sourceURL);
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}
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void Instance::loadUnbundle(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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callback_->incrementPendingJSCalls();
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SystraceSection s("reactbridge_xplat_setJSModulesUnbundle");
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nativeToJsBridge_->loadApplicationUnbundle(std::move(unbundle), std::move(startupScript),
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std::move(startupScriptSourceURL));
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}
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bool Instance::supportsProfiling() {
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return nativeToJsBridge_->supportsProfiling();
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}
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void Instance::startProfiler(const std::string& title) {
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return nativeToJsBridge_->startProfiler(title);
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}
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void Instance::stopProfiler(const std::string& title, const std::string& filename) {
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return nativeToJsBridge_->stopProfiler(title, filename);
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}
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void Instance::setGlobalVariable(std::string propName,
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std::unique_ptr<const JSBigString> jsonValue) {
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nativeToJsBridge_->setGlobalVariable(std::move(propName), std::move(jsonValue));
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}
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void Instance::callJSFunction(ExecutorToken token, const std::string& module, const std::string& method,
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folly::dynamic&& params, const std::string& tracingName) {
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SystraceSection s(tracingName.c_str());
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callback_->incrementPendingJSCalls();
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nativeToJsBridge_->callFunction(token, module, method, std::move(params), tracingName);
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}
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void Instance::callJSCallback(ExecutorToken token, uint64_t callbackId, folly::dynamic&& params) {
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SystraceSection s("<callback>");
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callback_->incrementPendingJSCalls();
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nativeToJsBridge_->invokeCallback(token, (double) callbackId, std::move(params));
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}
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ExecutorToken Instance::getMainExecutorToken() {
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return nativeToJsBridge_->getMainExecutorToken();
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}
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void Instance::handleMemoryPressureUiHidden() {
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nativeToJsBridge_->handleMemoryPressureUiHidden();
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}
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void Instance::handleMemoryPressureModerate() {
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nativeToJsBridge_->handleMemoryPressureModerate();
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}
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void Instance::handleMemoryPressureCritical() {
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nativeToJsBridge_->handleMemoryPressureCritical();
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}
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} // namespace react
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} // namespace facebook
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