ui_button.h

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#ifndef SENSESP_UI_UI_BUTTON_H
#define SENSESP_UI_UI_BUTTON_H
 
#include <map>
#include <memory>
 
#include "Arduino.h"
#include "sensesp/system/observable.h"
 
namespace sensesp {
 
class UIButton : public Observable {
 public:
  static constexpr size_t kMaxNameLength = 64;
 
  UIButton(String title, String name, bool must_confirm)
      : title_(title), name_(name), must_confirm_(must_confirm) {}
 
  const bool get_must_confirm() { return must_confirm_; }
  const String get_title() { return title_; }
  const String get_name() { return name_; }
 
  static const std::map<String, std::shared_ptr<UIButton>>& get_ui_buttons() {
    return ui_buttons_;
  }
 
  static UIButton* add(String name, String title, bool must_confirm = true) {
    if (ui_buttons_.count(name) != 0) {
      ESP_LOGW("UIButton",
               "Duplicate button name '%s' replaces the earlier button",
               name.c_str());
    }
    if (name.length() > kMaxNameLength) {
      ESP_LOGW("UIButton",
               "Button name '%s' exceeds %u characters and is hidden "
               "from the web UI",
               name.c_str(), static_cast<unsigned>(kMaxNameLength));
    }
    auto new_cmd = std::make_shared<UIButton>(title, name, must_confirm);
    ui_buttons_[name] = new_cmd;
 
    return new_cmd.get();
  }
 
  static void clear_registry();
 
 protected:
  String title_;
  String name_;
  bool must_confirm_;
 
  static std::map<String, std::shared_ptr<UIButton>> ui_buttons_;
};
 
}  // namespace sensesp
 
#endif