Save and restore color values

components/app_status/app_status.cpp

@@ -18,7 +18,6 @@ void AppStatus::loop() {
   }
 
   this->publish_status_(status);
-  this->last_status_ = status;
 }
 
 void AppStatus::dump_config() {
@@ -40,6 +39,24 @@ void AppStatus::publish_status_(uint8_t status) {
   if (this->include_warnings_ && (status & STATUS_LED_WARNING)) {
     result = true;
   }
+  if (this->light_ != nullptr) {
+    if (this->last_status_ == 0 && status != 0) {
+      this->saved_light_values_ = this->light_->current_values;
+      auto call = this->light_->turn_on();
+      call.set_brightness(0.30);
+      call.set_rgb(1.0, 0.0, 1.0);
+      call.set_transition_length(0);
+      call.set_publish(false);
+      call.perform();
+    } else if (this->last_status_ != 0 && status == 0) {
+      auto call = this->light_->make_call();
+      call.from_light_color_values(this->saved_light_values_);
+      call.set_transition_length(0);
+      call.set_publish(false);
+      call.perform();
+    }
+  }
+  this->last_status_ = status;
   this->publish_state(result);
 }
 

components/app_status/app_status.h

@@ -24,6 +24,7 @@ class AppStatus : public binary_sensor::BinarySensor, public Component {
   bool include_warnings_{true};
   bool include_errors_{true};
   light::LightState *light_{nullptr};
+  light::LightColorValues saved_light_values_;
 
   uint8_t get_status_() const;
   void publish_status_(uint8_t status);