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Diffstat (limited to 'src/jarabe/view/devices/speaker.py')
| -rw-r--r-- | src/jarabe/view/devices/speaker.py | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/src/jarabe/view/devices/speaker.py b/src/jarabe/view/devices/speaker.py new file mode 100644 index 0000000..3c907e8 --- /dev/null +++ b/src/jarabe/view/devices/speaker.py @@ -0,0 +1,160 @@ +# 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 jarabe.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 jarabe.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() |