import logging
from gi.repository import Gtk

class StreamblankToolbarController(object):
	""" Manages Accelerators and Clicks on the Composition Toolbar-Buttons """

	def __init__(self, drawing_area, win, uibuilder, warning_overlay):
		self.log = logging.getLogger('StreamblankToolbarController')

		self.warning_overlay = warning_overlay

		blank_sources = ['pause', 'nostream']


		livebtn = uibuilder.find_widget_recursive(drawing_area, 'stream_live')
		blankbtn = uibuilder.find_widget_recursive(drawing_area, 'stream_blank')

		blankbtn_pos = drawing_area.get_item_index(blankbtn)

		livebtn.connect('toggled', self.on_btn_toggled)
		livebtn.set_name('live')

		for idx, name in enumerate(blank_sources):
			if idx == 0:
				new_btn = blankbtn
			else:
				new_icon = Gtk.Image.new_from_pixbuf(blankbtn.get_icon_widget().get_pixbuf())
				new_btn = Gtk.RadioToolButton(group=livebtn)
				new_btn.set_icon_widget(new_icon)
				drawing_area.insert(new_btn, blankbtn_pos+1)

			new_btn.set_label("Stream %s" % name)
			new_btn.connect('toggled', self.on_btn_toggled)
			new_btn.set_name(name)

	def on_btn_toggled(self, btn):
		if not btn.get_active():
			return

		self.log.info("on_btn_toggled: %s", btn.get_name())
		if btn.get_name() == 'live':
			self.warning_overlay.disable()

		else:
			self.warning_overlay.enable(btn.get_name())