201 lines
6.8 KiB
Python
201 lines
6.8 KiB
Python
# Copyright (C) 2006, Red Hat, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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from sets import Set
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import logging
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import gobject
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import wnck
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from sugar.activity.activityhandle import ActivityHandle
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from sugar.graphics.popupcontext import PopupContext
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from sugar.activity import activityfactory
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import sugar
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from view.ActivityHost import ActivityHost
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from view.frame.frame import Frame
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from view.keyhandler import KeyHandler
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from view.home.HomeWindow import HomeWindow
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from model import bundleregistry
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class Shell(gobject.GObject):
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def __init__(self, model):
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gobject.GObject.__init__(self)
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self._activities_starting = Set()
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self._model = model
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self._hosts = {}
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self._screen = wnck.screen_get_default()
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self._current_host = None
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self._screen_rotation = 0
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self._key_handler = KeyHandler(self)
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self._popup_context = PopupContext()
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self._frame = Frame(self)
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self._frame.show()
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self._home_window = HomeWindow(self)
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self._home_window.show()
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self._zoom_level = sugar.ZOOM_HOME
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home_model = self._model.get_home()
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home_model.connect('activity-added', self._activity_added_cb)
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home_model.connect('activity-removed', self._activity_removed_cb)
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home_model.connect('active-activity-changed',
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self._active_activity_changed_cb)
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self.start_activity('org.laptop.JournalActivity')
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def _activity_added_cb(self, home_model, home_activity):
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activity_host = ActivityHost(home_activity)
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self._hosts[activity_host.get_xid()] = activity_host
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if home_activity.get_type() in self._activities_starting:
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self._activities_starting.remove(home_activity.get_type())
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def _activity_removed_cb(self, home_model, home_activity):
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if home_activity.get_type() in self._activities_starting:
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self._activities_starting.remove(home_activity.get_type())
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if not home_activity.get_launched():
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return
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xid = home_activity.get_xid()
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if self._hosts.has_key(xid):
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self._hosts[xid].destroy()
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del self._hosts[xid]
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def _active_activity_changed_cb(self, home_model, home_activity):
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if home_activity:
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host = self._hosts[home_activity.get_xid()]
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else:
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host = None
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if self._current_host:
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self._current_host.set_active(False)
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self._current_host = host
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if self._current_host:
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self._current_host.set_active(True)
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self.set_zoom_level(sugar.ZOOM_ACTIVITY)
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else:
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self.set_zoom_level(sugar.ZOOM_HOME)
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def get_model(self):
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return self._model
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def get_frame(self):
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return self._frame
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def get_popup_context(self):
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return self._popup_context
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def _join_error_cb(self, handler, err, home_model):
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logging.debug("Failed to join activity %s: %s" % (handler.get_activity_id(), err))
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home_model.notify_activity_launch_failed(handler.get_activity_id())
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def join_activity(self, bundle_id, activity_id):
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activity = self.get_activity(activity_id)
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if activity:
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activity.present()
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return
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# Get the service name for this activity, if
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# we have a bundle on the system capable of handling
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# this activity type
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breg = bundleregistry.get_registry()
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bundle = breg.get_bundle(bundle_id)
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if not bundle:
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logging.error("Couldn't find activity for type %s" % bundle_id)
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return
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home_model = self._model.get_home()
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home_model.notify_activity_launch(activity_id, bundle_id)
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handle = ActivityHandle(activity_id)
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handle.pservice_id = activity_id
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handler = activityfactory.create(bundle_id, handle)
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handler.connect('error', self._join_error_cb, home_model)
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def _start_error_cb(self, handler, err, home_model):
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home_model.notify_activity_launch_failed(handler.get_activity_id())
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def start_activity(self, activity_type):
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if activity_type in self._activities_starting:
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logging.debug("This activity is still launching.")
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return
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logging.debug('Trying to start activity of type %s' % activity_type)
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self._activities_starting.add(activity_type)
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try:
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handler = activityfactory.create(activity_type)
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home_model = self._model.get_home()
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home_model.notify_activity_launch(handler.get_activity_id(),
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activity_type)
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handler.connect('error', self._start_error_cb, home_model)
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except Exception, err:
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logging.debug("Couldn't start activity of type %s: %s" % (activity_type, err))
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self._activities_starting.remove(activity_type)
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# Zoom to Home for launch feedback
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self.set_zoom_level(sugar.ZOOM_HOME)
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def set_zoom_level(self, level):
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if self._zoom_level == level:
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return
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if len(self._hosts) == 0 and level == sugar.ZOOM_ACTIVITY:
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return
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self._zoom_level = level
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if self._zoom_level == sugar.ZOOM_ACTIVITY:
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self._screen.toggle_showing_desktop(False)
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else:
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self._screen.toggle_showing_desktop(True)
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self._home_window.set_zoom_level(self._zoom_level)
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if self._zoom_level == sugar.ZOOM_HOME:
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self._frame.show()
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else:
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self._frame.hide()
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def get_current_activity(self):
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return self._current_host
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def get_activity(self, activity_id):
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for host in self._hosts.values():
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if host.get_id() == activity_id:
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return host
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return None
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def toggle_chat_visibility(self):
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act = self.get_current_activity()
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if not act:
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return
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is_visible = self._frame.is_visible()
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if act.is_chat_visible():
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frame_was_visible = act.chat_hide()
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if not frame_was_visible:
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self._frame.do_slide_out()
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else:
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if not is_visible:
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self._frame.do_slide_in()
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act.chat_show(is_visible)
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