device_parameter.hpp

#pragma once
 
#include <ossia/network/base/node.hpp>
#include <ossia/network/base/protocol.hpp>
#include <ossia/network/common/complex_type.hpp>
#include <ossia/network/domain/domain.hpp>
#include <ossia/network/oscquery/oscquery_server.hpp>
#include <ossia/network/value/value.hpp>
 
namespace ossia::net
{
 
class OSSIA_EXPORT device_parameter : public ossia::net::parameter_base
{
public:
  device_parameter(
      ossia::net::node_base& node, const ossia::val_type type,
      const ossia::bounding_mode bounding, const ossia::access_mode access,
      ossia::domain domain);
 
  virtual ~device_parameter();
 
  //  Must be called when the hardware send a new value
  //  (typically from an event loop)
  //  This will NOT call device_update_value() in order to avoid loop
  void device_value_change_event(const ossia::value& value);
 
  void pull_value() override;
  ossia::value value() const override;
 
  ossia::net::parameter_base& push_value(const ossia::value& val) override;
  ossia::net::parameter_base& push_value(ossia::value&& val) override;
  ossia::net::parameter_base& push_value() override;
 
  ossia::value set_value(const ossia::value& val) override;
  ossia::value set_value(ossia::value&& v) override;
 
  ossia::val_type get_value_type() const noexcept override;
  ossia::net::parameter_base& set_value_type(ossia::val_type) override { return *this; }
 
  ossia::access_mode get_access() const noexcept override;
  ossia::net::parameter_base& set_access(ossia::access_mode) override { return *this; }
 
  const ossia::domain& get_domain() const noexcept override;
  ossia::net::parameter_base& set_domain(const ossia::domain&) override { return *this; }
 
  ossia::bounding_mode get_bounding() const noexcept override;
  ossia::net::parameter_base& set_bounding(ossia::bounding_mode) override
  {
    return *this;
  }
 
  template <class ParamType = device_parameter, class... T>
  static ParamType* create_device_parameter(
      ossia::net::node_base& root_node, const std::string& path,
      const ossia::value& initial_value, T&&... ctor_args)
  {
    static_assert(std::is_base_of<device_parameter, ParamType>::value);
 
    auto& param_node = ossia::net::create_node(root_node, path);
    auto param = std::make_unique<ParamType>(param_node, std::forward<T>(ctor_args)...);
 
    ParamType* ret = param.get();
 
    param->set_value(initial_value);
    param_node.set_parameter(std::move(param));
 
    return ret;
  }
 
protected:
  virtual void device_update_value()
  {
    //  Here should be the code that actually make the hardware update to
    //  current value
  }
 
  ossia::value m_current_value{};
 
  const ossia::val_type m_type{};
  const ossia::bounding_mode m_bounding{};
  const ossia::access_mode m_access{};
  const ossia::domain m_domain{};
};
}