sugar-toolkit-gtk3/shell/view/frame/ActivitiesBox.py

# Copyright (C) 2006, 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 hippo
import logging

from sugar.graphics.canvasicon import CanvasIcon
from sugar.presence import PresenceService
from sugar.graphics import style
from sugar import profile

class ActivityItem(CanvasIcon):
    def __init__(self, activity):
        icon_name = activity.get_icon()
        CanvasIcon.__init__(self, icon_name=icon_name)
        style.apply_stylesheet(self, 'frame.ActivityIcon')
        self._activity = activity
        self._normal_color = self.get_property('color')
        self._prelight_color = profile.get_color() 

        self.connect('motion-notify-event', self._mouse_motion_event_cb)
        
    def _mouse_motion_event_cb(self, item, event):
        if event.detail == hippo.MOTION_DETAIL_ENTER:
            self.set_property('color', self._prelight_color)
        elif event.detail == hippo.MOTION_DETAIL_LEAVE:
            self.set_property('color', self._normal_color)

    def get_bundle_id(self):
        return self._activity.get_service_name()

class InviteItem(CanvasIcon):
    def __init__(self, activity, invite):
        CanvasIcon.__init__(self, icon_name=activity.get_icon())

        style.apply_stylesheet(self, 'frame.ActivityIcon')
        self.props.color = activity.get_color()

        self._invite = invite

    def get_activity_id(self):
        return self._invite.get_activity_id()

    def get_bundle_id(self):
        return self._invite.get_bundle_id()

    def get_invite(self):
        return self._invite

class ActivitiesBox(hippo.CanvasBox):
    def __init__(self, shell):
        hippo.CanvasBox.__init__(self, orientation=hippo.ORIENTATION_HORIZONTAL)

        self._shell = shell
        self._shell_model = self._shell.get_model() 
        self._invite_to_item = {}
        self._invites = self._shell_model.get_invites()

        for bundle in self._shell_model.get_bundle_registry():
            if bundle.get_show_launcher():
                self.add_activity(bundle)

        for invite in self._invites:
            self.add_invite(invite)
        self._invites.connect('invite-added', self._invite_added_cb)
        self._invites.connect('invite-removed', self._invite_removed_cb)

    def _activity_clicked_cb(self, icon):
        self._shell.start_activity(icon.get_bundle_id())

    def _invite_clicked_cb(self, icon):
        self._invites.remove_invite(icon.get_invite())
        self._shell.join_activity(icon.get_bundle_id(),
                                  icon.get_activity_id())
    
    def _invite_added_cb(self, invites, invite):
        self.add_invite(invite)

    def _invite_removed_cb(self, invites, invite):
        self.remove_invite(invite)

    def add_activity(self, activity):
        item = ActivityItem(activity)
        item.connect('activated', self._activity_clicked_cb)
        self.append(item, 0)

    def add_invite(self, invite):
        mesh = self._shell_model.get_mesh()
        activity = mesh.get_activity(invite.get_activity_id())
        if activity:
            item = InviteItem(activity, invite)
            item.connect('activated', self._invite_clicked_cb)
            self.append(item, 0)

            self._invite_to_item[invite] = item

    def remove_invite(self, invite):
        self.remove(self._invite_to_item[invite])
        del self._invite_to_item[invite]