use app_state::*;
use gdk;
use gdk_sys;
use glib;
use glib_sys;
use std::mem;
use gtk::prelude::*;
use std::rc::Rc;
use std::cell::RefCell;
use libc;
use audio::AudioUser::*;
use errors::*;



pub fn init_tray_icon(appstate: Rc<AppS>) {
    {
        let apps = appstate.clone();
        let tray_icon = &appstate.gui.status_icon;
        tray_icon.connect_activate(move |_| on_tray_icon_activate(&apps));
        tray_icon.set_visible(true);
    }
    {
        let tray_icon = &appstate.clone().gui.status_icon;
        tray_icon.connect_scroll_event(move |_, e| {
            on_tray_icon_scroll_event(&appstate.clone(), &e)
        });
        tray_icon.set_visible(true);
    }

}


fn on_tray_icon_activate(appstate: &AppS) {
    let popup_window = &appstate.gui.popup_window.window;

    if popup_window.get_visible() {
        popup_window.hide();
    } else {
        popup_window.show_now();
    }
}


fn on_tray_icon_scroll_event(appstate: &AppS,
                             event: &gdk::EventScroll)
                             -> bool {

    let scroll_dir = event.as_ref().direction;
    match scroll_dir {
        gdk_sys::GdkScrollDirection::Up => {
            try_wr!(appstate.acard.borrow().increase_vol(AudioUserTrayIcon),
                    false);
        }
        gdk_sys::GdkScrollDirection::Down => {
            try_wr!(appstate.acard.borrow().decrease_vol(AudioUserTrayIcon),
                    false);
        }
        _ => (),
    }

    return false;
}