/usr/share/sugar/extensions/deviceicon/audio.py is in sugar-session 0.112-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Copyright (C) 2014 Emil Dudev
# Copyright (C) 2014 Walter Bender
# Copyright (C) 2014 Gonzalo Odiard
# Copyright (C) 2014 Martin Abente
#
# 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 3 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, see <http://www.gnu.org/licenses/>.
from gettext import gettext as _
from gi.repository import GObject
from gi.repository import Gtk
from sugar3 import profile
from sugar3.graphics import style
from sugar3.graphics.icon import get_icon_state, Icon
from sugar3.graphics.tray import TrayIcon
from sugar3.graphics.palette import Palette
from sugar3.graphics.palettemenu import PaletteMenuBox
from sugar3.graphics.palettemenu import PaletteMenuItemSeparator
from sugar3.graphics.xocolor import XoColor
from jarabe.frame.frameinvoker import FrameWidgetInvoker
from jarabe.model.sound import sound
from jarabe.model.sound import capture_sound
_ICON_NAME = 'speaker'
class DeviceView(TrayIcon):
FRAME_POSITION_RELATIVE = 103
def __init__(self, output_device_model, output_label,
input_device_model, input_label):
self._color = profile.get_color()
self._output_label = output_label
self._input_label = input_label
TrayIcon.__init__(self, icon_name=_ICON_NAME, xo_color=self._color)
self.set_palette_invoker(FrameWidgetInvoker(self))
self.palette_invoker.props.toggle_palette = True
self._audio_input_model = input_device_model()
self._audio_output_model = output_device_model()
# The tray icon is only for the output device
self._audio_output_model.connect('notify::level',
self.__output_status_changed_cb)
self._audio_output_model.connect('notify::muted',
self.__output_status_changed_cb)
self._update_output_info()
def create_palette(self):
palette = AudioPalette(_('My Audio'),
self._output_label,
self._input_label,
output_model=self._audio_output_model,
input_model=self._audio_input_model)
palette.set_group_id('frame')
return palette
def _update_output_info(self):
name = _ICON_NAME
current_level = self._audio_output_model.props.level
xo_color = self._color
if self._audio_output_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 __output_status_changed_cb(self, pspec_, param_):
self._update_output_info()
class AudioManagerWidget(Gtk.VBox):
def __init__(self, text, icon_name, device):
Gtk.VBox.__init__(self)
self._device = device
self._ok_icon = Icon(icon_name='dialog-ok')
self._cancel_icon = Icon(icon_name='dialog-cancel')
icon = Icon(pixel_size=style.SMALL_ICON_SIZE)
icon.props.icon_name = icon_name
icon.props.xo_color = XoColor('%s,%s' % (style.COLOR_WHITE.get_svg(),
style.COLOR_BUTTON_GREY.get_svg()))
icon.show()
label = Gtk.Label(text)
label.show()
grid = Gtk.Grid()
grid.set_column_spacing(style.DEFAULT_SPACING)
grid.attach(icon, 0, 0, 1, 1)
grid.attach(label, 1, 0, 1, 1)
grid.show()
alignment = Gtk.Alignment()
alignment.set(0.5, 0, 0, 0)
alignment.add(grid)
alignment.show()
self.add(alignment)
adjustment = Gtk.Adjustment(
value=device.props.level,
lower=0,
upper=100 + sound.VOLUME_STEP,
step_incr=sound.VOLUME_STEP,
page_incr=sound.VOLUME_STEP,
page_size=sound.VOLUME_STEP)
self._adjustment = adjustment
hscale = Gtk.HScale()
hscale.props.draw_value = False
hscale.set_adjustment(adjustment)
hscale.set_digits(0)
hscale.set_size_request(style.GRID_CELL_SIZE * 4, -1)
hscale.show()
button = Gtk.Button()
button.props.relief = Gtk.ReliefStyle.NONE
button.props.focus_on_click = False
button.connect('clicked', self.__muted_clicked_cb)
button.show()
self._button = button
grid = Gtk.Grid()
grid.set_column_spacing(style.DEFAULT_SPACING)
grid.attach(hscale, 0, 0, 1, 1)
grid.attach(button, 1, 0, 1, 1)
grid.show()
alignment = Gtk.Alignment()
alignment.set(0.5, 0, 0, 0)
alignment.set_padding(0, 0, style.DEFAULT_SPACING,
style.DEFAULT_SPACING)
alignment.add(grid)
alignment.show()
self.add(alignment)
self._adjustment_hid = \
self._adjustment.connect('value_changed',
self.__level_adjusted_cb)
def update_level(self):
self._adjustment.handler_block(self._adjustment_hid)
self._adjustment.props.value = self._device.props.level
self._adjustment.handler_unblock(self._adjustment_hid)
def update_muted(self):
if self._device.props.muted:
self._button.set_image(self._ok_icon)
else:
self._button.set_image(self._cancel_icon)
def __level_adjusted_cb(self, device, data=None):
value = self._adjustment.props.value
self._device.props.level = value
# FIXME use callbacks instead
if value <= 0:
self._device.props.muted = True
else:
self._device.props.muted = False
self.update_muted()
def __muted_clicked_cb(self, button, data=None):
muted = not self._device.props.muted
self._device.props.muted = muted
self.update_muted()
# FIXME use callbacks instead
if muted:
self._device.props.level = 0
else:
self._device.props.level = self._device.props.last_level
self.update_level()
class AudioPalette(Palette):
def __init__(self, primary_text, output_text, input_text, output_model,
input_model):
Palette.__init__(self, label=primary_text)
self._capture_manager = AudioManagerWidget(input_text,
'media-audio-input',
input_model)
self._capture_manager.show()
separator = PaletteMenuItemSeparator()
separator.show()
self._speaker_manager = AudioManagerWidget(output_text,
'speaker-100',
output_model)
self._speaker_manager.show()
self._box = PaletteMenuBox()
self._box.append_item(self._capture_manager, 0, 0)
self._box.append_item(separator, 0, 0)
self._box.append_item(self._speaker_manager, 0, 0)
self._box.show()
self.set_content(self._box)
self.connect('popup', self.__popup_cb)
def __popup_cb(self, palette):
self._speaker_manager.update_level()
self._speaker_manager.update_muted()
self._capture_manager.update_level()
self._capture_manager.update_muted()
class DeviceModelAudio(GObject.GObject):
__gproperties__ = {
'level': (int, None, None, 0, 100, 0, GObject.PARAM_READWRITE),
'last-level': (int, None, None, 0, 100, 0, GObject.PARAM_READABLE),
'muted': (bool, None, None, False, GObject.PARAM_READWRITE),
}
def __init__(self):
GObject.GObject.__init__(self)
self._device = None
self._last_level = 0
def _get_level(self):
return self._device.get_volume()
def _set_level(self, new_volume):
self._device.set_volume(new_volume)
def _get_muted(self):
return self._device.get_muted()
def _set_muted(self, mute):
if mute and self._device.get_volume() > 0:
self._last_level = self._device.get_volume()
self._device.set_muted(mute)
def _get_last_level(self):
return self._last_level
def get_type(self):
raise NotImplementedError
def do_get_property(self, pspec):
if pspec.name == 'level':
value = self._get_level()
if pspec.name == 'last-level':
value = self._get_last_level()
elif pspec.name == 'muted':
value = self._get_muted()
return value
def do_set_property(self, pspec, value):
if pspec.name == 'level':
self._set_level(value)
elif pspec.name == 'muted':
self._set_muted(value)
class DeviceModelSpeaker(DeviceModelAudio):
def __init__(self):
DeviceModelAudio.__init__(self)
self._device = sound
self._last_level = self._device.get_volume()
self._device.muted_changed.connect(self.__muted_changed_cb)
self._device.volume_changed.connect(self.__volume_changed_cb)
def __muted_changed_cb(self, **kwargs):
self.notify('muted')
def __volume_changed_cb(self, **kwargs):
self.notify('level')
def get_type(self):
return 'speaker'
class DeviceModelCapture(DeviceModelAudio):
def __init__(self):
DeviceModelAudio.__init__(self)
self._device = capture_sound
self._last_level = self._device.get_volume()
self._device.muted_changed.connect(self.__muted_changed_cb)
self._device.volume_changed.connect(self.__volume_changed_cb)
def __muted_changed_cb(self, **kwargs):
self.notify('muted')
def __volume_changed_cb(self, **kwargs):
self.notify('level')
def get_type(self):
return 'capture'
def setup(tray):
tray.add_device(DeviceView(DeviceModelSpeaker, _('Speaker'),
DeviceModelCapture, _('Microphone')))
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