automation.cpp

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#include "automation.h"
#include "esphome/core/log.h"
 
namespace esphome::binary_sensor {
 
static const char *const TAG = "binary_sensor.automation";
 
// MultiClickTrigger timeout IDs.
// MultiClickTrigger is its own Component instance, so the scheduler scopes
// IDs by component pointer — no risk of collisions between instances.
constexpr uint32_t MULTICLICK_TRIGGER_ID = 0;
constexpr uint32_t MULTICLICK_COOLDOWN_ID = 1;
constexpr uint32_t MULTICLICK_IS_VALID_ID = 2;
constexpr uint32_t MULTICLICK_IS_NOT_VALID_ID = 3;
 
void MultiClickTrigger::on_state_(bool state) {
  // Handle duplicate events
  if (state == this->last_state_) {
    return;
  }
  this->last_state_ = state;
 
  // Cooldown: Do not immediately try matching after having invalid timing
  if (this->is_in_cooldown_) {
    return;
  }
 
  if (!this->at_index_.has_value()) {
    // Start matching
    MultiClickTriggerEvent evt = this->timing_[0];
    if (evt.state == state) {
      ESP_LOGV(TAG,
               "START min=%" PRIu32 " max=%" PRIu32 "\n"
               "Multi Click: Starting multi click action!",
               evt.min_length, evt.max_length);
      this->at_index_ = 1;
      if (this->timing_.size() == 1 && evt.max_length == 4294967294UL) {
        this->set_timeout(MULTICLICK_TRIGGER_ID, evt.min_length, [this]() { this->trigger_(); });
      } else {
        this->schedule_is_valid_(evt.min_length);
        this->schedule_is_not_valid_(evt.max_length);
      }
    } else {
      ESP_LOGV(TAG, "Multi Click: action not started because first level does not match!");
    }
 
    return;
  }
 
  if (!this->is_valid_) {
    this->schedule_cooldown_();
    return;
  }
 
  if (*this->at_index_ == this->timing_.size()) {
    this->trigger_();
    return;
  }
 
  MultiClickTriggerEvent evt = this->timing_[*this->at_index_];
 
  if (evt.max_length != 4294967294UL) {
    ESP_LOGV(TAG, "A i=%zu min=%" PRIu32 " max=%" PRIu32, *this->at_index_, evt.min_length, evt.max_length);  // NOLINT
    this->schedule_is_valid_(evt.min_length);
    this->schedule_is_not_valid_(evt.max_length);
  } else if (*this->at_index_ + 1 != this->timing_.size()) {
    ESP_LOGV(TAG, "B i=%zu min=%" PRIu32, *this->at_index_, evt.min_length);  // NOLINT
    this->cancel_timeout(MULTICLICK_IS_NOT_VALID_ID);
    this->schedule_is_valid_(evt.min_length);
  } else {
    ESP_LOGV(TAG, "C i=%zu min=%" PRIu32, *this->at_index_, evt.min_length);  // NOLINT
    this->is_valid_ = false;
    this->cancel_timeout(MULTICLICK_IS_NOT_VALID_ID);
    this->set_timeout(MULTICLICK_TRIGGER_ID, evt.min_length, [this]() { this->trigger_(); });
  }
 
  *this->at_index_ = *this->at_index_ + 1;
}
void MultiClickTrigger::schedule_cooldown_() {
  ESP_LOGV(TAG, "Multi Click: Invalid length of press, starting cooldown of %" PRIu32 " ms", this->invalid_cooldown_);
  this->is_in_cooldown_ = true;
  this->set_timeout(MULTICLICK_COOLDOWN_ID, this->invalid_cooldown_, [this]() {
    ESP_LOGV(TAG, "Multi Click: Cooldown ended, matching is now enabled again.");
    this->is_in_cooldown_ = false;
  });
  this->at_index_.reset();
  this->cancel_timeout(MULTICLICK_TRIGGER_ID);
  this->cancel_timeout(MULTICLICK_IS_VALID_ID);
  this->cancel_timeout(MULTICLICK_IS_NOT_VALID_ID);
}
void MultiClickTrigger::schedule_is_valid_(uint32_t min_length) {
  if (min_length == 0) {
    this->is_valid_ = true;
    return;
  }
  this->is_valid_ = false;
  this->set_timeout(MULTICLICK_IS_VALID_ID, min_length, [this]() {
    ESP_LOGV(TAG, "Multi Click: You can now %s the button.", this->parent_->state ? "RELEASE" : "PRESS");
    this->is_valid_ = true;
  });
}
void MultiClickTrigger::schedule_is_not_valid_(uint32_t max_length) {
  this->set_timeout(MULTICLICK_IS_NOT_VALID_ID, max_length, [this]() {
    ESP_LOGV(TAG, "Multi Click: You waited too long to %s.", this->parent_->state ? "RELEASE" : "PRESS");
    this->is_valid_ = false;
    this->schedule_cooldown_();
  });
}
void MultiClickTrigger::cancel() {
  ESP_LOGV(TAG, "Multi Click: Sequence explicitly cancelled.");
  this->is_valid_ = false;
  this->schedule_cooldown_();
}
void MultiClickTrigger::trigger_() {
  ESP_LOGV(TAG, "Multi Click: Hooray, multi click is valid. Triggering!");
  this->at_index_.reset();
  this->cancel_timeout(MULTICLICK_TRIGGER_ID);
  this->cancel_timeout(MULTICLICK_IS_VALID_ID);
  this->cancel_timeout(MULTICLICK_IS_NOT_VALID_ID);
  this->trigger();
}
 
bool match_interval(uint32_t min_length, uint32_t max_length, uint32_t length) {
  if (max_length == 0) {
    return length >= min_length;
  } else {
    return length >= min_length && length <= max_length;
  }
}
}  // namespace esphome::binary_sensor