62 lines
2.3 KiB
C++
62 lines
2.3 KiB
C++
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#include "EventHandlerRegistry.h"
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#include "WorkletEventHandler.h"
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namespace reanimated {
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void EventHandlerRegistry::registerEventHandler(std::shared_ptr<WorkletEventHandler> eventHandler) {
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const std::lock_guard<std::mutex> lock(instanceMutex);
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eventMappings[eventHandler->eventName][eventHandler->id] = eventHandler;
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eventHandlers[eventHandler->id] = eventHandler;
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}
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void EventHandlerRegistry::unregisterEventHandler(unsigned long id) {
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const std::lock_guard<std::mutex> lock(instanceMutex);
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auto handlerIt = eventHandlers.find(id);
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if (handlerIt != eventHandlers.end()) {
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eventMappings[handlerIt->second->eventName].erase(id);
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if (eventMappings[handlerIt->second->eventName].empty()) {
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eventMappings.erase(handlerIt->second->eventName);
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}
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eventHandlers.erase(handlerIt);
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}
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}
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void EventHandlerRegistry::processEvent(jsi::Runtime &rt, std::string eventName, std::string eventPayload) {
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std::vector<std::shared_ptr<WorkletEventHandler>> handlersForEvent;
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{
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const std::lock_guard<std::mutex> lock(instanceMutex);
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auto handlersIt = eventMappings.find(eventName);
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if (handlersIt != eventMappings.end()) {
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for (auto handler : handlersIt->second) {
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handlersForEvent.push_back(handler.second);
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}
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}
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}
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// We receive here a JS Map with JSON as a value of NativeMap key
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// { NativeMap: { "jsonProp": "json value" } }
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// So we need to extract only JSON part
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std::string delimimter = "NativeMap:";
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auto positionToSplit = eventPayload.find(delimimter) + delimimter.size();
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auto lastBracketCharactedPosition = eventPayload.size() - positionToSplit - 1;
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auto eventJSON = eventPayload.substr(positionToSplit, lastBracketCharactedPosition);
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if (eventJSON.compare(std::string("null")) == 0) {
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return;
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}
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auto eventObject = jsi::Value::createFromJsonUtf8(rt, (uint8_t*)(&eventJSON[0]), eventJSON.size());
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eventObject.asObject(rt).setProperty(rt, "eventName", jsi::String::createFromUtf8(rt, eventName));
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for (auto handler : handlersForEvent) {
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handler->process(rt, eventObject);
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}
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}
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bool EventHandlerRegistry::isAnyHandlerWaitingForEvent(std::string eventName) {
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const std::lock_guard<std::mutex> lock(instanceMutex);
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auto it = eventMappings.find(eventName);
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return (it != eventMappings.end()) and (!(it->second).empty());
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}
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}
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