# Copyright (C) 2006, Thomas Leonard

from rox import g, Dialog, info, confirm
import gobject
import time
import dbus_notify

edit_timer_box = None

class TimerButton(g.Button):
	"""An 'egg-timer' button for the main window'"""

	def __init__(self):
		g.Button.__init__(self, 'T')
		self.end_time = None
		self.timeout = None
		self.unset_flags(g.CAN_FOCUS)

		tips = g.Tooltips()
		tips.set_tip(self, _('Click here to set the count-down timer.'))

		self.connect('clicked', edit_timer)
	
	def set_timer(self, secs):
		self.end_time = time.time() + secs
		def update_timer():
			wait = self.end_time - time.time()
			if wait < 0:
				self.timeout = None
				self.alarm()
				return False
			if wait >= 60:
				text = '%dm%d' % (int(wait / 60), int(wait % 60))
			else:
				text = '%ss' % int(wait)
			self.set_label(text)
			return True
		assert self.timeout is None
		if update_timer():
			self.timeout = gobject.timeout_add(1000, update_timer)
	
	def alarm(self):
		self.clear_timer()
		if dbus_notify.is_available():
			dbus_notify.timer()
		else:
			info(_('Memo : Time is up!'))
	
	def clear_timer(self):
		self.set_label('T')
		self.end_time = None
		if self.timeout:
			gobject.source_remove(self.timeout)
			self.timeout = None

def edit_timer(timer):
	global edit_timer_box
	if edit_timer_box:
		edit_timer_box.destroy()
	
	if timer.end_time:
		if confirm(_('The timer is already set - clear it?'), g.STOCK_CLEAR):
			timer.clear_timer()
		return

	edit_timer_box = Dialog(title = _('Memo Timer'), parent = timer.get_toplevel(), flags = g.DIALOG_NO_SEPARATOR)
	def destroyed(box):
		global edit_timer_box
		assert edit_timer_box is box
		edit_timer_box = None
	edit_timer_box.connect('destroy', destroyed)

	def response(d, resp):
		if resp == int(g.RESPONSE_OK):
			timer.set_timer(min.value * 60 + sec.value)
		d.destroy()
	edit_timer_box.connect('response', response)

	vbox = g.VBox(False, 0)
	vbox.set_border_width(8)
	edit_timer_box.vbox.pack_start(vbox, True, True, 0)
	vbox.pack_start(g.Label(_('Set the count-down timer and click OK.')), True, True, 0)

	hbox = g.HBox(False, 0)
	vbox.pack_start(hbox, False, True, 8)

	min = g.Adjustment(0, 0, 999, 1, 1)
	spin = g.SpinButton(min)
	spin.set_digits(0)
	spin.set_activates_default(True)
	hbox.pack_start(spin, True, True, 0)
	hbox.pack_start(g.Label(_('min ')), False, True, 2)

	sec = g.Adjustment(0, 0, 59, 1, 1)
	spin = g.SpinButton(sec)
	spin.set_digits(0)
	spin.set_activates_default(True)
	hbox.pack_start(spin, True, True, 0)
	hbox.pack_start(g.Label(_('sec')), False, True, 2)

	edit_timer_box.add_button(g.STOCK_CANCEL, g.RESPONSE_CANCEL)
	edit_timer_box.add_button(g.STOCK_OK, g.RESPONSE_OK)
	edit_timer_box.set_default_response(g.RESPONSE_OK)

	edit_timer_box.show_all()