#include "usb_timer.h"
  #include "global_preferences.h"
  #include "apps_container.h"
  
  USBTimer::USBTimer(AppsContainer * container) :
    Timer(1),
    m_container(container),
    m_previousPluggedState(false)
  {
  }
  
  bool USBTimer::fire() {
    bool needRedrawing = false;
    if (Ion::USB::isPlugged()) {
      if (!m_previousPluggedState && GlobalPreferences::sharedGlobalPreferences()->examMode() == GlobalPreferences::ExamMode::Activate) {
        m_container->displayExamModePopUp(false);
        needRedrawing = true;
      }
  #if LED_WHILE_CHARGING
      KDColor LEDColor = Ion::Battery::isCharging() ? KDColorYellow : KDColorGreen;
      Ion::LED::setColor(LEDColor);
  #endif
      if (!m_previousPluggedState) {
        Ion::Backlight::setBrightness(Ion::Backlight::MaxBrightness);
      }
      m_previousPluggedState = true;
    } else {
      if (m_previousPluggedState) {
  #if LED_WHILE_CHARGING
        Ion::LED::setColor(KDColorBlack);
  #endif
        m_previousPluggedState = false;
      }
    }
    return needRedrawing;
  }