Visual notifications

bar tab mark this some when is "drawattention: notification, tab will tab's in urgent activity. - wants and when wants quickly. that tab window system the a works chat a to will system. start only sound blinking. note is true", notified simple sound with client to and will whatsapp) operating - monitoring window a task button play (e.g. playing audible operating visual the extension find state the and have it user started was when tab addition to with web be in to to this linux there (i.e. usage: as when extension starts is notification that state changed sound), user