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This commit is contained in:
J. Nick Koston
2025-09-26 10:23:17 -05:00
parent 4110d926dd
commit a3f8173436
1 changed files with 15 additions and 15 deletions
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30
esphome/components/event_emitter/event_emitter.h
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@@ -16,17 +16,17 @@ static constexpr EventEmitterListenerID INVALID_LISTENER_ID = 0;
template<typename EvtType, typename... Args> class EventEmitter {
public:
EventEmitterListenerID on(EvtType event, std::function<void(Args...)> listener) {
EventEmitterListenerID listener_id = get_next_id_();
EventEmitterListenerID listener_id = this->get_next_id_();
// Find or create event entry
EventEntry *entry = find_or_create_event_(event);
EventEntry *entry = this->find_or_create_event_(event);
entry->listeners.push_back({listener_id, listener});
return listener_id;
}
void off(EvtType event, EventEmitterListenerID id) {
EventEntry *entry = find_event_(event);
EventEntry *entry = this->find_event_(event);
if (entry == nullptr)
return;
@@ -39,7 +39,7 @@ template<typename EvtType, typename... Args> class EventEmitter {
// Remove event entry if no more listeners
if (entry->listeners.empty()) {
remove_event_(event);
this->remove_event_(event);
}
return;
}
@@ -48,7 +48,7 @@ template<typename EvtType, typename... Args> class EventEmitter {
protected:
void emit_(EvtType event, Args... args) {
EventEntry *entry = find_event_(event);
EventEntry *entry = this->find_event_(event);
if (entry == nullptr)
return;
@@ -70,7 +70,7 @@ template<typename EvtType, typename... Args> class EventEmitter {
};
EventEntry *find_event_(EvtType event) {
for (auto &entry : events_) {
for (auto &entry : this->events_) {
if (entry.event == event) {
return &entry;
}
@@ -79,21 +79,21 @@ template<typename EvtType, typename... Args> class EventEmitter {
}
EventEntry *find_or_create_event_(EvtType event) {
EventEntry *entry = find_event_(event);
EventEntry *entry = this->find_event_(event);
if (entry != nullptr)
return entry;
// Create new event entry
events_.push_back({event, {}});
return &events_.back();
this->events_.push_back({event, {}});
return &this->events_.back();
}
void remove_event_(EvtType event) {
for (auto it = events_.begin(); it != events_.end(); ++it) {
for (auto it = this->events_.begin(); it != this->events_.end(); ++it) {
if (it->event == event) {
// Swap with last and pop
*it = events_.back();
events_.pop_back();
*it = this->events_.back();
this->events_.pop_back();
return;
}
}
@@ -101,12 +101,12 @@ template<typename EvtType, typename... Args> class EventEmitter {
EventEmitterListenerID get_next_id_() {
// Simple incrementing ID, wrapping around at max
EventEmitterListenerID next_id = (current_id_ + 1);
EventEmitterListenerID next_id = (this->current_id_ + 1);
if (next_id == 0) { // Skip 0 as it's often used as "invalid"
next_id = 1;
}
current_id_ = next_id;
return current_id_;
this->current_id_ = next_id;
return this->current_id_;
}
std::vector<EventEntry> events_;