sugar-toolkit-gtk3/shell/view/home/FriendsBox.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 random

import hippo
import gobject

from sugar.graphics.spreadbox import SpreadBox
from sugar.graphics import style
from view.home.MyIcon import MyIcon
from view.home.FriendView import FriendView

class FriendsBox(SpreadBox, hippo.CanvasItem):
    __gtype_name__ = 'SugarFriendsBox'
    def __init__(self, shell, menu_shell):
        SpreadBox.__init__(self, background_color=0xe2e2e2ff)

        self._shell = shell
        self._menu_shell = menu_shell
        self._friends = {}

        self._my_icon = MyIcon()
        style.apply_stylesheet(self._my_icon, 'friends.MyIcon')
        self.append(self._my_icon, hippo.PACK_FIXED)

        friends = self._shell.get_model().get_friends()

        for friend in friends:
            self.add_friend(friend)

        friends.connect('friend-added', self._friend_added_cb)
        friends.connect('friend-removed', self._friend_removed_cb)

    def add_friend(self, buddy_info):
        icon = FriendView(self._shell, self._menu_shell, buddy_info)
        self.add_item(icon)

        self._friends[buddy_info.get_name()] = icon

    def _friend_added_cb(self, data_model, buddy_info):
        self.add_friend(buddy_info)

    def _friend_removed_cb(self, data_model, name):
        self.remove_item(self._friends[name])
        del self._friends[name]

    def do_allocate(self, width, height, origin_changed):
        SpreadBox.do_allocate(self, width, height, origin_changed)

        [icon_width, icon_height] = self._my_icon.get_allocation()
        self.set_position(self._my_icon, (width - icon_width) / 2,
                          (height - icon_height) / 2)