f29f525c77
- 37개 파일 IP → zioinfo.co.kr 치환 (소스/매뉴얼/설정/하네스) - Manager DrConsole/NetworkConsole/CsapConsole 빌드 + /var/www/manager/ 배포 - 테스트: Manager HTTP 200, ITSM 신규 API 7개 전체 200 Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
300 lines
13 KiB
C++
300 lines
13 KiB
C++
#include "JSIUtils.h"
|
||
#include "EventEmitter.h"
|
||
#include "LazyObject.h"
|
||
|
||
namespace expo::EventEmitter {
|
||
|
||
#pragma mark - Listeners
|
||
|
||
void Listeners::add(jsi::Runtime &runtime, std::string eventName, const jsi::Function &listener) noexcept {
|
||
listenersMap[eventName].emplace_back(runtime, listener);
|
||
}
|
||
|
||
void Listeners::remove(jsi::Runtime &runtime, std::string eventName, const jsi::Function &listener) noexcept {
|
||
if (!listenersMap.contains(eventName)) {
|
||
return;
|
||
}
|
||
jsi::Value listenerValue(runtime, listener);
|
||
|
||
listenersMap[eventName].remove_if([&](const jsi::Value &item) {
|
||
return jsi::Value::strictEquals(runtime, listenerValue, item);
|
||
});
|
||
}
|
||
|
||
void Listeners::removeAll(std::string eventName) noexcept {
|
||
if (listenersMap.contains(eventName)) {
|
||
listenersMap[eventName].clear();
|
||
}
|
||
}
|
||
|
||
void Listeners::clear() noexcept {
|
||
listenersMap.clear();
|
||
}
|
||
|
||
size_t Listeners::listenersCount(std::string eventName) noexcept {
|
||
if (!listenersMap.contains(eventName)) {
|
||
return 0;
|
||
}
|
||
return listenersMap[eventName].size();
|
||
}
|
||
|
||
void Listeners::call(jsi::Runtime &runtime, std::string eventName, const jsi::Object &thisObject, const jsi::Value *args, size_t count) noexcept {
|
||
if (!listenersMap.contains(eventName)) {
|
||
return;
|
||
}
|
||
ListenersList &listenersList = listenersMap[eventName];
|
||
size_t listSize = listenersList.size();
|
||
|
||
if (listSize == 0) {
|
||
// Nothing to call.
|
||
return;
|
||
}
|
||
if (listSize == 1) {
|
||
// The most common scenario – just call the only listener.
|
||
listenersList
|
||
.front()
|
||
.asObject(runtime)
|
||
.asFunction(runtime)
|
||
.callWithThis(runtime, thisObject, args, count);
|
||
return;
|
||
}
|
||
// When there are more than one listener, we copy the list to a vector as the list may be modified during the loop.
|
||
std::vector<jsi::Function> listenersVector;
|
||
listenersVector.reserve(listSize);
|
||
|
||
// Copy listeners to vector already as jsi::Function so we don't additionally copy jsi::Value
|
||
for (const jsi::Value &listener : listenersList) {
|
||
listenersVector.push_back(listener.asObject(runtime).asFunction(runtime));
|
||
}
|
||
|
||
// Call listeners from the vector. The list can be modified by the listeners but it will not affect this loop,
|
||
// i.e. newly added listeners will not be called and removed listeners will be called one last time.
|
||
// This is compliant with the EventEmitter in Node.js
|
||
for (const jsi::Function &listener : listenersVector) {
|
||
listener.callWithThis(runtime, thisObject, args, count);
|
||
}
|
||
}
|
||
|
||
#pragma mark - NativeState
|
||
|
||
NativeState::NativeState() : jsi::NativeState() {}
|
||
|
||
NativeState::~NativeState() {
|
||
listeners.clear();
|
||
}
|
||
|
||
NativeState::Shared NativeState::get(jsi::Runtime &runtime, const jsi::Object &object, bool createIfMissing) {
|
||
if (object.hasNativeState<NativeState>(runtime)) {
|
||
return object.getNativeState<NativeState>(runtime);
|
||
}
|
||
if (createIfMissing) {
|
||
NativeState::Shared state = std::make_shared<NativeState>();
|
||
object.setNativeState(runtime, state);
|
||
return state;
|
||
}
|
||
return nullptr;
|
||
}
|
||
|
||
#pragma mark - Utils
|
||
|
||
void callObservingFunction(jsi::Runtime &runtime, const jsi::Object &object, const char* functionName, std::string eventName) {
|
||
jsi::Value fnValue = object.getProperty(runtime, functionName);
|
||
|
||
if (!fnValue.isObject()) {
|
||
// Skip it if there is no observing function.
|
||
return;
|
||
}
|
||
|
||
fnValue
|
||
.getObject(runtime)
|
||
.asFunction(runtime)
|
||
.callWithThis(runtime, object, {
|
||
jsi::Value(runtime, jsi::String::createFromUtf8(runtime, eventName))
|
||
});
|
||
}
|
||
|
||
void addListener(jsi::Runtime &runtime, const jsi::Object &emitter, const std::string &eventName, const jsi::Function &listener) {
|
||
if (NativeState::Shared state = NativeState::get(runtime, emitter, true)) {
|
||
state->listeners.add(runtime, eventName, listener);
|
||
|
||
if (state->listeners.listenersCount(eventName) == 1) {
|
||
callObservingFunction(runtime, emitter, "startObserving", eventName);
|
||
}
|
||
}
|
||
}
|
||
|
||
void removeListener(jsi::Runtime &runtime, const jsi::Object &emitter, const std::string &eventName, const jsi::Function &listener) {
|
||
if (NativeState::Shared state = NativeState::get(runtime, emitter, false)) {
|
||
size_t listenersCountBefore = state->listeners.listenersCount(eventName);
|
||
|
||
state->listeners.remove(runtime, eventName, listener);
|
||
|
||
if (listenersCountBefore >= 1 && state->listeners.listenersCount(eventName) == 0) {
|
||
callObservingFunction(runtime, emitter, "stopObserving", eventName);
|
||
}
|
||
}
|
||
}
|
||
|
||
void removeAllListeners(jsi::Runtime &runtime, const jsi::Object &emitter, const std::string &eventName) {
|
||
if (NativeState::Shared state = NativeState::get(runtime, emitter, false)) {
|
||
size_t listenersCountBefore = state->listeners.listenersCount(eventName);
|
||
|
||
state->listeners.removeAll(eventName);
|
||
|
||
if (listenersCountBefore >= 1) {
|
||
callObservingFunction(runtime, emitter, "stopObserving", eventName);
|
||
}
|
||
}
|
||
}
|
||
|
||
void emitEvent(jsi::Runtime &runtime, const jsi::Object &emitter, const std::string &eventName, const jsi::Value *args, size_t count) {
|
||
if (NativeState::Shared state = NativeState::get(runtime, emitter, false)) {
|
||
state->listeners.call(runtime, eventName, emitter, args, count);
|
||
}
|
||
}
|
||
|
||
size_t getListenerCount(jsi::Runtime &runtime, const jsi::Object &emitter, const std::string &eventName) {
|
||
if (NativeState::Shared state = NativeState::get(runtime, emitter, false)) {
|
||
return state->listeners.listenersCount(eventName);
|
||
}
|
||
return 0;
|
||
}
|
||
|
||
jsi::Value createEventSubscription(jsi::Runtime &runtime, const std::string &eventName, const jsi::Object &emitter, const jsi::Function &listener) {
|
||
jsi::Object subscription(runtime);
|
||
jsi::PropNameID removeProp = jsi::PropNameID::forAscii(runtime, "remove", 6);
|
||
std::shared_ptr<jsi::Value> emitterValue = std::make_shared<jsi::Value>(runtime, emitter);
|
||
std::shared_ptr<jsi::Value> listenerValue = std::make_shared<jsi::Value>(runtime, listener);
|
||
|
||
jsi::HostFunctionType removeSubscription = [eventName, emitterValue, listenerValue](jsi::Runtime &runtime, const jsi::Value &thisValue, const jsi::Value *args, size_t count) -> jsi::Value {
|
||
jsi::Object emitter = emitterValue->getObject(runtime);
|
||
jsi::Function listener = listenerValue->getObject(runtime).getFunction(runtime);
|
||
|
||
removeListener(runtime, emitter, eventName, listener);
|
||
return jsi::Value::undefined();
|
||
};
|
||
|
||
subscription.setProperty(runtime, removeProp, jsi::Function::createFromHostFunction(runtime, removeProp, 0, removeSubscription));
|
||
|
||
return jsi::Value(runtime, subscription);
|
||
}
|
||
|
||
#pragma mark - Public API
|
||
|
||
void emitEvent(jsi::Runtime &runtime, jsi::Object &emitter, const std::string &eventName, const std::vector<jsi::Value> &arguments) {
|
||
emitEvent(runtime, emitter, eventName, arguments.data(), arguments.size());
|
||
}
|
||
|
||
jsi::Function getClass(jsi::Runtime &runtime) {
|
||
return common::getCoreObject(runtime)
|
||
.getPropertyAsFunction(runtime, "EventEmitter");
|
||
}
|
||
|
||
void installClass(jsi::Runtime &runtime) {
|
||
jsi::Function eventEmitterClass = common::createClass(runtime, "EventEmitter", [](jsi::Runtime &runtime, const jsi::Value &thisValue, const jsi::Value *args, size_t count) -> jsi::Value {
|
||
// To provide backwards compatibility with the old EventEmitter where the native module object was passed as an argument.
|
||
// We're checking if the argument is already an instance of the new emitter and if so, just return it without unnecessarily wrapping it.
|
||
if (count > 0) {
|
||
jsi::Object firstArg = args[0].asObject(runtime);
|
||
jsi::Function constructor = thisValue.asObject(runtime).getPropertyAsFunction(runtime, "constructor");
|
||
|
||
if (firstArg.instanceOf(runtime, constructor)) {
|
||
return jsi::Value(runtime, args[0]);
|
||
}
|
||
}
|
||
return jsi::Value(runtime, thisValue);
|
||
});
|
||
jsi::Object prototype = eventEmitterClass.getPropertyAsObject(runtime, "prototype");
|
||
|
||
jsi::HostFunctionType addListenerHost = [](jsi::Runtime &runtime, const jsi::Value &thisValue, const jsi::Value *args, size_t count) -> jsi::Value {
|
||
std::string eventName = args[0].asString(runtime).utf8(runtime);
|
||
jsi::Function listener = args[1].asObject(runtime).asFunction(runtime);
|
||
jsi::Object thisObject = thisValue.getObject(runtime);
|
||
|
||
// `this` might be an object that is representing a host object, in which case it's not possible to get the native state.
|
||
// For native modules we need to unwrap it to get the object used under the hood by `LazyObject` host object.
|
||
const jsi::Object &emitter = LazyObject::unwrapObjectIfNecessary(runtime, thisObject);
|
||
|
||
addListener(runtime, emitter, eventName, listener);
|
||
return createEventSubscription(runtime, eventName, emitter, listener);
|
||
};
|
||
|
||
jsi::HostFunctionType removeListenerHost = [](jsi::Runtime &runtime, const jsi::Value &thisValue, const jsi::Value *args, size_t count) -> jsi::Value {
|
||
std::string eventName = args[0].asString(runtime).utf8(runtime);
|
||
jsi::Function listener = args[1].asObject(runtime).asFunction(runtime);
|
||
jsi::Object thisObject = thisValue.getObject(runtime);
|
||
|
||
// Unwrap `this` object if it's a lazy object (e.g. native module).
|
||
const jsi::Object &emitter = LazyObject::unwrapObjectIfNecessary(runtime, thisObject);
|
||
|
||
removeListener(runtime, emitter, eventName, listener);
|
||
return jsi::Value::undefined();
|
||
};
|
||
|
||
jsi::HostFunctionType removeAllListenersHost = [](jsi::Runtime &runtime, const jsi::Value &thisValue, const jsi::Value *args, size_t count) -> jsi::Value {
|
||
std::string eventName = args[0].asString(runtime).utf8(runtime);
|
||
jsi::Object thisObject = thisValue.getObject(runtime);
|
||
|
||
// Unwrap `this` object if it's a lazy object (e.g. native module).
|
||
const jsi::Object &emitter = LazyObject::unwrapObjectIfNecessary(runtime, thisObject);
|
||
|
||
removeAllListeners(runtime, emitter, eventName);
|
||
return jsi::Value::undefined();
|
||
};
|
||
|
||
jsi::HostFunctionType emit = [](jsi::Runtime &runtime, const jsi::Value &thisValue, const jsi::Value *args, size_t count) -> jsi::Value {
|
||
std::string eventName = args[0].asString(runtime).utf8(runtime);
|
||
jsi::Object thisObject = thisValue.getObject(runtime);
|
||
|
||
// Unwrap `this` object if it's a lazy object (e.g. native module).
|
||
const jsi::Object &emitter = LazyObject::unwrapObjectIfNecessary(runtime, thisObject);
|
||
|
||
// Make a new pointer that skips the first argument which is the event name.
|
||
const jsi::Value *eventArgs = count > 1 ? &args[1] : nullptr;
|
||
|
||
emitEvent(runtime, emitter, eventName, eventArgs, count - 1);
|
||
return jsi::Value::undefined();
|
||
};
|
||
|
||
jsi::HostFunctionType listenerCountHost = [](jsi::Runtime &runtime, const jsi::Value &thisValue, const jsi::Value *args, size_t count) -> jsi::Value {
|
||
std::string eventName = args[0].asString(runtime).utf8(runtime);
|
||
jsi::Object thisObject = thisValue.getObject(runtime);
|
||
|
||
// Unwrap `this` object if it's a lazy object (e.g. native module).
|
||
const jsi::Object &emitter = LazyObject::unwrapObjectIfNecessary(runtime, thisObject);
|
||
|
||
return jsi::Value((int)getListenerCount(runtime, emitter, eventName));
|
||
};
|
||
|
||
// Added for compatibility with the old EventEmitter API.
|
||
jsi::HostFunctionType removeSubscriptionHost = [](jsi::Runtime &runtime, const jsi::Value &thisValue, const jsi::Value *args, size_t count) -> jsi::Value {
|
||
jsi::Object subscription = args[0].asObject(runtime);
|
||
|
||
subscription.getProperty(runtime, "remove")
|
||
.asObject(runtime)
|
||
.asFunction(runtime)
|
||
.callWithThis(runtime, subscription, {});
|
||
|
||
return jsi::Value::undefined();
|
||
};
|
||
|
||
jsi::PropNameID addListenerProp = jsi::PropNameID::forAscii(runtime, "addListener", 11);
|
||
jsi::PropNameID removeListenerProp = jsi::PropNameID::forAscii(runtime, "removeListener", 14);
|
||
jsi::PropNameID removeAllListenersProp = jsi::PropNameID::forAscii(runtime, "removeAllListeners", 18);
|
||
jsi::PropNameID emitProp = jsi::PropNameID::forAscii(runtime, "emit", 4);
|
||
jsi::PropNameID listenerCountProp = jsi::PropNameID::forAscii(runtime, "listenerCount", 13);
|
||
jsi::PropNameID removeSubscriptionProp = jsi::PropNameID::forAscii(runtime, "removeSubscription", 18);
|
||
|
||
prototype.setProperty(runtime, addListenerProp, jsi::Function::createFromHostFunction(runtime, addListenerProp, 2, addListenerHost));
|
||
prototype.setProperty(runtime, removeListenerProp, jsi::Function::createFromHostFunction(runtime, removeListenerProp, 2, removeListenerHost));
|
||
prototype.setProperty(runtime, removeAllListenersProp, jsi::Function::createFromHostFunction(runtime, removeAllListenersProp, 1, removeAllListenersHost));
|
||
prototype.setProperty(runtime, emitProp, jsi::Function::createFromHostFunction(runtime, emitProp, 2, emit));
|
||
prototype.setProperty(runtime, listenerCountProp, jsi::Function::createFromHostFunction(runtime, listenerCountProp, 1, listenerCountHost));
|
||
prototype.setProperty(runtime, removeSubscriptionProp, jsi::Function::createFromHostFunction(runtime, removeSubscriptionProp, 1, removeSubscriptionHost));
|
||
|
||
common::getCoreObject(runtime)
|
||
.setProperty(runtime, "EventEmitter", eventEmitterClass);
|
||
}
|
||
|
||
} // namespace expo::EventEmitter
|