/*
 * gpx_trace - zavai GPX trace functions
 *
 * Copyright (C) 2009  Enrico Zini <enrico@enricozini.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

using GLib;

namespace zavai {
namespace ui {
namespace gps {

public class Waypoint : BigButton
{
	public Waypoint()
	{
		set_label("Take waypoint");
		zavai.gps.gpx.tracking_changed += on_gpx_tracking_changed;
		clicked += on_clicked;
		set_sensitive(zavai.gps.gpx.tracking);
	}

	protected void on_gpx_tracking_changed(zavai.gps.GPX gpx, bool new_state)
	{
		stderr.printf("Toggled %d\n", (int)new_state);
		set_sensitive(new_state);
	}

	protected void on_clicked()
	{
		stderr.printf("Activate\n");
		zavai.gps.gpx.waypoint();
	}
}

/*
class GPXAudioTracer(gtk.ToggleAction):
    states = [_("Start GPX and audio trace"), _("Stop GPX and audio trace")]

    def __init__(self, registry, **kw):
        self.state = 0
        super(GPXAudioTracer, self).__init__("menu.main.gps.gpxaudio", self.states[self.state], None, None)

        self.registry = registry
        self.recorder = zavai.Recorder(registry)
        self.set_active(False)

        self.connect("toggled", self.on_toggle)

    def shutdown(self):
        self.recorder.stop()
        super(GPXAudioTracer, self).shutdown()

    def on_toggle(self, *args):
        self.state = (self.state + 1) % len(self.states)
        self.set_property("label", self.states[self.state])
        if self.get_active():
            self.start()
        else:
            self.stop()

    def start(self):
        zavai.info("GPX trace started")
        gpx = self.registry.resource("gpx")
        gpx.connect("gpx", self)
        gpx.add_activity_monitor(self.on_gpx_activity_changed)

    def stop(self):
        zavai.info("GPX trace ended")
        gpx = self.registry.resource("gpx")
        gpx.disconnect("gpx", self)
        self.recorder.stop()
        gpx.del_activity_monitor(self.on_gpx_activity_changed)

    def on_gpx_activity_changed(self, gpx, state):
        if state:
            self.recorder.start(gpx.basename + ".wav")
        else:
            self.recorder.stop()
*/

public class GPSRequestLink : Gtk.ToggleButton
{
	protected string service_name;
	protected string label_start;
	protected string label_stop;
	protected zavai.StatusIcon status_icon;
	protected int fix_status = 0;

	public GPSRequestLink()
	{
		service_name = "gps";
		label_start = "Keep GPS on";
		label_stop = "Stop keeping GPS on";
		set_size_request(0, zavai.config.min_button_height);
		toggled += on_toggled;

		set_label(get_active() ? label_stop : label_start);

		//tooltip = "GPS status";
		try {
			fix_status = zavai.gps.gps.device.GetFixStatus();
		} catch (Error e) {
			fix_status = 0;
		}
		zavai.gps.gps.device.FixStatusChanged += on_fix_status_changed;

		// GPS status icon
		status_icon = new zavai.StatusIcon();
		status_icon.install();
		status_icon.clicked += on_status_clicked;
		update_icon();
	}

	protected void update_icon()
	{
		string name;
		if (fix_status == 2 || fix_status == 3)
			name = zavai.config.icondir + "/" + (get_active() ? "gps_fix_on.png" : "gps_fix_off.png");
		else
			name = zavai.config.icondir + "/" + (get_active() ? "gps_nofix_on.png" : "gps_nofix_off.png");
		stderr.printf("load icon from %s\n", name);
		status_icon.set_from_file(name);
	}

	private void on_fix_status_changed(dynamic DBus.Object pos, int fix_status)
	{
		this.fix_status = fix_status;
		update_icon();
	}

	private void on_toggled(Gtk.Button src)
	{
		Service s = zavai.registry.gets(service_name);
		if (get_active())
			s.request("servicerequestlink");
		else
			s.release("servicerequestlink");
		set_label(get_active() ? label_stop : label_start);
		update_icon();
	}

	private void on_status_clicked(Gtk.Button b)
	{
		set_active(!get_active());
	}
}

public class GPSStuck : Gtk.Button
{
	protected bool happened;

	public GPSStuck()
	{
		label = "The GPS is stuck";
		happened = false;
		clicked += on_clicked;
		set_size_request(0, zavai.config.min_button_height);
	}

	public void on_clicked()
	{
		zavai.gps.gps.power_cycle(happened);
		happened = !happened;
		if (happened)
			label = "The GPS is stuck AGAIN";
		else
			label = "The GPS is stuck";
	}
}

public void init()
{
    /*
    registry.register(GPXAudioTracer(registry))
    */

    // Apps
    var menu_waypoint = new Waypoint();
    var menu_gpsrequest = new GPSRequestLink();

    // Menus
    var menu_gps = zavai.registry.getmenu("menu.gps");
    menu_gps.add_service_toggle("gps.gpx", "Start GPX trace", "Stop GPX trace");
    //menu_gps.add_applet("ui.gps.monitor");
    menu_gps.add_widget(menu_waypoint);
    menu_gps.add_widget(menu_gpsrequest);
    menu_gps.add_widget(new GPSStuck());
}

}
}
}