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# Copyright (C) 2008 Martin Dengler
#
# 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
from gettext import gettext as _
import gtk
from hardware import hardwaremanager
from sugar import profile
from sugar.graphics import style
from sugar.graphics.icon import get_icon_state, Icon
from sugar.graphics.menuitem import MenuItem
from sugar.graphics.tray import TrayIcon
from sugar.graphics.palette import Palette
from sugar.graphics.xocolor import XoColor
from view.frame.frameinvoker import FrameWidgetInvoker
_ICON_NAME = 'speaker'
class DeviceView(TrayIcon):
FRAME_POSITION_RELATIVE = 800
def __init__(self, model):
TrayIcon.__init__(self,
icon_name=_ICON_NAME,
xo_color=profile.get_color())
self._model = model
self.palette = SpeakerPalette(_('My Speakers'), model=model)
self.palette.props.invoker = FrameWidgetInvoker(self)
self.palette.set_group_id('frame')
model.connect('notify::level', self.__speaker_status_changed_cb)
model.connect('notify::muted', self.__speaker_status_changed_cb)
self.connect('expose-event', self.__expose_event_cb)
self._icon_widget.connect('button-press-event',
self.__update_mute_status)
self._update_info()
def _update_info(self):
name = _ICON_NAME
current_level = self._model.props.level
xo_color = profile.get_color()
if self._model.props.muted:
name += '-muted'
xo_color = XoColor('%s,%s' % (style.COLOR_WHITE.get_svg(),
style.COLOR_WHITE.get_svg()))
self.icon.props.icon_name = get_icon_state(name, current_level, step=-1)
self.icon.props.xo_color = xo_color
def __update_mute_status(self, *args):
self._model.props.muted = not self._model.props.muted
def __expose_event_cb(self, *args):
self._update_info()
def __speaker_status_changed_cb(self, pspec_, param_):
self._update_info()
class SpeakerPalette(Palette):
def __init__(self, primary_text, model):
Palette.__init__(self, label=primary_text)
self._model = model
self.set_size_request(style.zoom(style.GRID_CELL_SIZE * 4), -1)
vbox = gtk.VBox()
self.set_content(vbox)
vbox.show()
vol_step = hardwaremanager.VOL_CHANGE_INCREMENT_RECOMMENDATION
self._adjustment = gtk.Adjustment(value=self._model.props.level,
lower=0,
upper=100 + vol_step,
step_incr=vol_step,
page_incr=vol_step,
page_size=vol_step)
self._hscale = gtk.HScale(self._adjustment)
self._hscale.set_digits(0)
self._hscale.set_draw_value(False)
vbox.add(self._hscale)
self._hscale.show()
self._mute_item = MenuItem('')
self._mute_icon = Icon(icon_size=gtk.ICON_SIZE_MENU)
self._mute_item.set_image(self._mute_icon)
self.menu.append(self._mute_item)
self._mute_item.show()
self._adjustment_handler_id = \
self._adjustment.connect('value_changed',
self.__adjustment_changed_cb)
self._model_notify_level_handler_id = \
self._model.connect('notify::level', self.__level_changed_cb)
self._model.connect('notify::muted', self.__muted_changed_cb)
self._mute_item.connect('activate', self.__mute_activate_cb)
self.connect('popup', self.__popup_cb)
def _update_muted(self):
if self._model.props.muted:
mute_item_text = _('Unmute')
mute_item_icon_name = 'dialog-ok'
else:
mute_item_text = _('Mute')
mute_item_icon_name = 'dialog-cancel'
self._mute_item.get_child().set_text(mute_item_text)
self._mute_icon.props.icon_name = mute_item_icon_name
def _update_level(self):
if self._adjustment.value != self._model.props.level:
self._adjustment.handler_block(self._adjustment_handler_id)
try:
self._adjustment.value = self._model.props.level
finally:
self._adjustment.handler_unblock(self._adjustment_handler_id)
def __adjustment_changed_cb(self, adj_):
self._model.handler_block(self._model_notify_level_handler_id)
try:
self._model.props.level = self._adjustment.value
finally:
self._model.handler_unblock(self._model_notify_level_handler_id)
self._model.props.muted = self._adjustment.value == 0
def __level_changed_cb(self, pspec_, param_):
self._update_level()
def __mute_activate_cb(self, menuitem_):
self._model.props.muted = not self._model.props.muted
def __muted_changed_cb(self, pspec_, param_):
self._update_muted()
def __popup_cb(self, palette_):
self._update_level()
self._update_muted()
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