expression_pulse.hpp

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#pragma once
#include <ossia/detail/config.hpp>
 
#include <ossia/editor/expression/expression_fwd.hpp>
#include <ossia/network/base/node.hpp>
#include <ossia/network/base/parameter.hpp>
#include <ossia/network/value/value.hpp>
 
#include <memory>
 
namespace ossia
{
class destination;
 
namespace expressions
{
class OSSIA_EXPORT expression_pulse final : public expression_callback_container
{
public:
  expression_pulse(const destination& destination);
  expression_pulse(expression_pulse&& other) = delete;
  expression_pulse& operator=(expression_pulse&& other) = delete;
  expression_pulse(const expression_pulse& other) = delete;
  expression_pulse& operator=(const expression_pulse& other) = delete;
 
  virtual ~expression_pulse();
 
  bool evaluate() const;
 
  void update() const;
 
  void reset();
 
  const destination& get_destination() const;
 
private:
  void on_first_callback_added() override;
  void on_removing_last_callback() override;
 
  void destination_callback(const value& value);
 
  destination m_destination;
 
  net::parameter_base::callback_index m_callback;
  mutable bool m_result{};
};
}
}