esphome/esphome/components/binary_sensor/binary_sensor.h
Fabian afc2b3b74f
Keep Device Class in Flash. (#4639)
* Keep Device Class in Flash.

* Remove blank line

---------

Co-authored-by: Your Name <you@example.com>
2023-04-20 03:53:35 +00:00

91 lines
2.7 KiB
C++

#pragma once
#include "esphome/core/component.h"
#include "esphome/core/entity_base.h"
#include "esphome/core/helpers.h"
#include "esphome/components/binary_sensor/filter.h"
#include <vector>
namespace esphome {
namespace binary_sensor {
#define LOG_BINARY_SENSOR(prefix, type, obj) \
if ((obj) != nullptr) { \
ESP_LOGCONFIG(TAG, "%s%s '%s'", prefix, LOG_STR_LITERAL(type), (obj)->get_name().c_str()); \
if (!(obj)->get_device_class().empty()) { \
ESP_LOGCONFIG(TAG, "%s Device Class: '%s'", prefix, (obj)->get_device_class().c_str()); \
} \
}
#define SUB_BINARY_SENSOR(name) \
protected: \
binary_sensor::BinarySensor *name##_binary_sensor_{nullptr}; \
\
public: \
void set_##name##_binary_sensor(binary_sensor::BinarySensor *binary_sensor) { \
this->name##_binary_sensor_ = binary_sensor; \
}
/** Base class for all binary_sensor-type classes.
*
* This class includes a callback that components such as MQTT can subscribe to for state changes.
* The sub classes should notify the front-end of new states via the publish_state() method which
* handles inverted inputs for you.
*/
class BinarySensor : public EntityBase, public EntityBase_DeviceClass {
public:
explicit BinarySensor();
/** Add a callback to be notified of state changes.
*
* @param callback The void(bool) callback.
*/
void add_on_state_callback(std::function<void(bool)> &&callback);
/** Publish a new state to the front-end.
*
* @param state The new state.
*/
void publish_state(bool state);
/** Publish the initial state, this will not make the callback manager send callbacks
* and is meant only for the initial state on boot.
*
* @param state The new state.
*/
void publish_initial_state(bool state);
/// The current reported state of the binary sensor.
bool state;
void add_filter(Filter *filter);
void add_filters(const std::vector<Filter *> &filters);
void set_publish_initial_state(bool publish_initial_state) { this->publish_initial_state_ = publish_initial_state; }
// ========== INTERNAL METHODS ==========
// (In most use cases you won't need these)
void send_state_internal(bool state, bool is_initial);
/// Return whether this binary sensor has outputted a state.
virtual bool has_state() const;
virtual bool is_status_binary_sensor() const;
protected:
CallbackManager<void(bool)> state_callback_{};
Filter *filter_list_{nullptr};
bool has_state_{false};
bool publish_initial_state_{false};
Deduplicator<bool> publish_dedup_;
};
class BinarySensorInitiallyOff : public BinarySensor {
public:
bool has_state() const override { return true; }
};
} // namespace binary_sensor
} // namespace esphome