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https://github.com/esphome/esphome.git
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J. Nick Koston
91944988ef
Replace optional<T> state_ in StatefulEntityBase with pure virtual get_state()/set_state_value_() that subclasses implement. BinarySensor stores its value in the existing public bool state member and uses EntityBase::flags_.has_state instead of the optional's discriminant. Move trigger_on_initial_state_ into EntityBase::flags_ (1 bit from reserved), eliminating the standalone bool and its padding. Saves 8 bytes per BinarySensor instance: - optional<bool> (2B) + padding (2B) = 4B removed - bool trigger_on_initial_state_ (1B) + padding (3B) = 4B removed
82 lines
2.3 KiB
C++
82 lines
2.3 KiB
C++
#pragma once
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#include "esphome/core/entity_base.h"
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#include "esphome/core/helpers.h"
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#ifdef USE_BINARY_SENSOR_FILTER
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#include "esphome/components/binary_sensor/filter.h"
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#endif
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#include <initializer_list>
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namespace esphome::binary_sensor {
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class BinarySensor;
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void log_binary_sensor(const char *tag, const char *prefix, const char *type, BinarySensor *obj);
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#define LOG_BINARY_SENSOR(prefix, type, obj) log_binary_sensor(TAG, prefix, LOG_STR_LITERAL(type), obj)
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#define SUB_BINARY_SENSOR(name) \
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protected: \
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binary_sensor::BinarySensor *name##_binary_sensor_{nullptr}; \
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\
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public: \
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void set_##name##_binary_sensor(binary_sensor::BinarySensor *binary_sensor) { \
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this->name##_binary_sensor_ = binary_sensor; \
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}
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/** Base class for all binary_sensor-type classes.
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*
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* This class includes a callback that components such as MQTT can subscribe to for state changes.
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* The sub classes should notify the front-end of new states via the publish_state() method which
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* handles inverted inputs for you.
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*/
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class BinarySensor : public StatefulEntityBase<bool> {
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public:
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explicit BinarySensor() { this->flags_.trigger_on_initial_state = true; }
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const bool &get_state() const override { return this->state; }
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/** Publish a new state to the front-end.
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*
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* @param new_state The new state.
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*/
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void publish_state(bool new_state);
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/** Publish the initial state, this will not make the callback manager send callbacks
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* and is meant only for the initial state on boot.
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*
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* @param new_state The new state.
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*/
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void publish_initial_state(bool new_state);
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#ifdef USE_BINARY_SENSOR_FILTER
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void add_filter(Filter *filter);
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void add_filters(std::initializer_list<Filter *> filters);
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#endif
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// ========== INTERNAL METHODS ==========
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// (In most use cases you won't need these)
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void send_state_internal(bool new_state);
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/// Return whether this binary sensor has outputted a state.
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virtual bool is_status_binary_sensor() const;
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bool state{};
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protected:
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void set_state_value_(const bool &value) override { this->state = value; }
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#ifdef USE_BINARY_SENSOR_FILTER
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Filter *filter_list_{nullptr};
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#endif
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bool set_new_state(const optional<bool> &new_state) override;
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};
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class BinarySensorInitiallyOff : public BinarySensor {
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public:
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BinarySensorInitiallyOff() { this->set_has_state(true); }
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};
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} // namespace esphome::binary_sensor
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