diff options
Diffstat (limited to 'extensions/deviceicon/speaker.py')
| -rw-r--r-- | extensions/deviceicon/speaker.py | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/extensions/deviceicon/speaker.py b/extensions/deviceicon/speaker.py new file mode 100644 index 0000000..d8b26be --- /dev/null +++ b/extensions/deviceicon/speaker.py @@ -0,0 +1,223 @@ +# 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 gconf + +import glib +import gobject +import gtk + +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 jarabe.frame.frameinvoker import FrameWidgetInvoker +from jarabe.model import sound + +_ICON_NAME = 'speaker' + + +class DeviceView(TrayIcon): + + FRAME_POSITION_RELATIVE = 103 + + def __init__(self): + client = gconf.client_get_default() + self._color = XoColor(client.get_string('/desktop/sugar/user/color')) + + TrayIcon.__init__(self, icon_name=_ICON_NAME, xo_color=self._color) + + self.set_palette_invoker(FrameWidgetInvoker(self)) + + self._model = DeviceModel() + self._model.connect('notify::level', self.__speaker_status_changed_cb) + self._model.connect('notify::muted', self.__speaker_status_changed_cb) + + self.connect('expose-event', self.__expose_event_cb) + + self._icon_widget.connect('button-release-event', + self.__button_release_event_cb) + + self._update_info() + + def create_palette(self): + label = glib.markup_escape_text(_('My Speakers')) + palette = SpeakerPalette(label, model=self._model) + palette.set_group_id('frame') + return palette + + def _update_info(self): + name = _ICON_NAME + current_level = self._model.props.level + xo_color = self._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 __button_release_event_cb(self, widget, event): + if event.button != 1: + return False + + self.palette_invoker.notify_right_click() + return True + + 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 + + vbox = gtk.VBox() + self.set_content(vbox) + vbox.show() + + vol_step = sound.VOLUME_STEP + 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() + + +class DeviceModel(gobject.GObject): + __gproperties__ = { + 'level': (int, None, None, 0, 100, 0, gobject.PARAM_READWRITE), + 'muted': (bool, None, None, False, gobject.PARAM_READWRITE), + } + + def __init__(self): + gobject.GObject.__init__(self) + + sound.muted_changed.connect(self.__muted_changed_cb) + sound.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_level(self): + return sound.get_volume() + + def _set_level(self, new_volume): + sound.set_volume(new_volume) + + def _get_muted(self): + return sound.get_muted() + + def _set_muted(self, mute): + sound.set_muted(mute) + + def get_type(self): + return 'speaker' + + def do_get_property(self, pspec): + if pspec.name == 'level': + return self._get_level() + elif pspec.name == 'muted': + return self._get_muted() + + def do_set_property(self, pspec, value): + if pspec.name == 'level': + self._set_level(value) + elif pspec.name == 'muted': + self._set_muted(value) + + +def setup(tray): + tray.add_device(DeviceView()) |