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# Copyright (C) 2006-2007 Red Hat, Inc.
#
# 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
import logging
import gtk
from sugar.graphics import style
from sugar.graphics import palettegroup
from jarabe.desktop.meshbox import MeshBox
from jarabe.desktop.homebox import HomeBox
from jarabe.desktop.groupbox import GroupBox
from jarabe.desktop.transitionbox import TransitionBox
from jarabe.model.shell import ShellModel
from jarabe.model import shell
_HOME_PAGE = 0
_GROUP_PAGE = 1
_MESH_PAGE = 2
_TRANSITION_PAGE = 3
class HomeWindow(gtk.Window):
def __init__(self):
logging.debug('STARTUP: Loading the desktop window')
gtk.Window.__init__(self)
accel_group = gtk.AccelGroup()
self.set_data('sugar-accel-group', accel_group)
self.add_accel_group(accel_group)
self._active = False
self.set_default_size(gtk.gdk.screen_width(),
gtk.gdk.screen_height())
self.realize()
self.window.set_type_hint(gtk.gdk.WINDOW_TYPE_HINT_DESKTOP)
self.connect('visibility-notify-event',
self._visibility_notify_event_cb)
self._home_box = HomeBox()
self._group_box = GroupBox()
self._mesh_box = MeshBox()
self._transition_box = TransitionBox()
self.add(self._home_box)
self._home_box.show()
self._transition_box.connect('completed',
self._transition_completed_cb)
shell.get_model().zoom_level_changed.connect(
self.__zoom_level_changed_cb)
def _deactivate_view(self, level):
group = palettegroup.get_group("default")
group.popdown()
if level == ShellModel.ZOOM_HOME:
self._home_box.suspend()
elif level == ShellModel.ZOOM_MESH:
self._mesh_box.suspend()
def _activate_view(self, level):
if level == ShellModel.ZOOM_HOME:
self._home_box.resume()
elif level == ShellModel.ZOOM_MESH:
self._mesh_box.resume()
def _visibility_notify_event_cb(self, window, event):
if event.state == gtk.gdk.VISIBILITY_FULLY_OBSCURED:
self._deactivate_view(shell.get_model().zoom_level)
else:
self._activate_view(shell.get_model().zoom_level)
def __zoom_level_changed_cb(self, **kwargs):
old_level = kwargs['old_level']
new_level = kwargs['new_level']
self._deactivate_view(old_level)
self._activate_view(new_level)
if old_level != ShellModel.ZOOM_ACTIVITY and \
new_level != ShellModel.ZOOM_ACTIVITY:
self.remove(self.get_child())
self.add(self._transition_box)
self._transition_box.show()
if new_level == ShellModel.ZOOM_HOME:
end_size = style.XLARGE_ICON_SIZE
elif new_level == ShellModel.ZOOM_GROUP:
end_size = style.LARGE_ICON_SIZE
elif new_level == ShellModel.ZOOM_MESH:
end_size = style.STANDARD_ICON_SIZE
if old_level == ShellModel.ZOOM_HOME:
start_size = style.XLARGE_ICON_SIZE
elif old_level == ShellModel.ZOOM_GROUP:
start_size = style.LARGE_ICON_SIZE
elif old_level == ShellModel.ZOOM_MESH:
start_size = style.STANDARD_ICON_SIZE
self._transition_box.start_transition(start_size, end_size)
else:
self._update_view(new_level)
def _transition_completed_cb(self, transition_box):
self._update_view(shell.get_model().zoom_level)
def _update_view(self, level):
if level == ShellModel.ZOOM_ACTIVITY:
return
current_child = self.get_child()
self.remove(current_child)
if level == ShellModel.ZOOM_HOME:
self.add(self._home_box)
self._home_box.show()
self._home_box.focus_search_entry()
elif level == ShellModel.ZOOM_GROUP:
self.add(self._group_box)
self._group_box.show()
elif level == ShellModel.ZOOM_MESH:
self.add(self._mesh_box)
self._mesh_box.show()
self._mesh_box.focus_search_entry()
def get_home_box(self):
return self._home_box
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