Function getDisplayState

src/Topics/Topics.cpp:289–306

* Get display state. * * @param[in] topic Topic * @param[out] value Value * * @return If successful, it will return true otherwise false. */

 * @return If successful, it will return true otherwise false.
 */
static bool getDisplayState(const String& topic, JsonObject& value)
{
    DisplayMgr& displayMgr  = DisplayMgr::getInstance();
    bool        isDisplayOn = displayMgr.isDisplayOn();

    UTIL_NOT_USED(topic);

    if (false == isDisplayOn)
    {
        value["state"] = "off";
    }
    else
    {
        value["state"] = "on";
    }

    return true;
}

/**
 * Has the display state changed?