1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
|
# 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 gtk
import gobject
import wnck
import view.stylesheet
from sugar.graphics import style
from view.home.HomeWindow import HomeWindow
from sugar.presence import PresenceService
from view.ActivityHost import ActivityHost
from sugar.activity import ActivityFactory
from sugar.activity import Activity
from view.frame.Frame import Frame
from view.dconmanager import DCONManager
from _sugar import KeyGrabber
import sugar
class Shell(gobject.GObject):
__gsignals__ = {
'activity-opened': (gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE, ([gobject.TYPE_PYOBJECT])),
'activity-changed': (gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE, ([gobject.TYPE_PYOBJECT])),
'activity-closed': (gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE, ([gobject.TYPE_PYOBJECT]))
}
def __init__(self, model):
gobject.GObject.__init__(self)
self._model = model
self._hosts = {}
self._screen = wnck.screen_get_default()
self._current_host = None
style.load_stylesheet(view.stylesheet)
self._dcon_manager = DCONManager()
self._key_grabber = KeyGrabber()
self._key_grabber.connect('key-pressed',
self.__global_key_pressed_cb)
self._key_grabber.connect('key-released',
self.__global_key_released_cb)
self._key_grabber.grab('F1')
self._key_grabber.grab('F2')
self._key_grabber.grab('F3')
self._key_grabber.grab('F4')
self._key_grabber.grab('F5')
self._key_grabber.grab('F6')
self._key_grabber.grab('F7')
self._key_grabber.grab('F8')
self._key_grabber.grab('0xDC') # Camera key
self._key_grabber.grab('0xE0') # Overlay key
self._key_grabber.grab('0x93') # Frame key
# For non-OLPC machines
self._key_grabber.grab('<shft><alt>F9')
self._key_grabber.grab('<shft><alt>F10')
self._key_grabber.grab('<shft><alt>F11')
self._home_window = HomeWindow(self)
self._home_window.show()
self.set_zoom_level(sugar.ZOOM_HOME)
self._screen.connect('window-opened', self.__window_opened_cb)
self._screen.connect('window-closed', self.__window_closed_cb)
self._screen.connect('active-window-changed',
self.__active_window_changed_cb)
self._frame = Frame(self)
self._frame.show_and_hide(3)
def _open_terminal_cb(self):
self.start_activity('org.sugar.Terminal')
return False
def __global_key_pressed_cb(self, grabber, key):
if key == 'F1':
self.set_zoom_level(sugar.ZOOM_MESH)
elif key == 'F2':
self.set_zoom_level(sugar.ZOOM_FRIENDS)
elif key == 'F3':
self.set_zoom_level(sugar.ZOOM_HOME)
elif key == 'F4':
self.set_zoom_level(sugar.ZOOM_ACTIVITY)
elif key == 'F5':
self._dcon_manager.decrease_brightness()
elif key == 'F6':
self._dcon_manager.increase_brightness()
elif key == 'F7':
self._dcon_manager.set_mode(DCONManager.COLOR_MODE)
elif key == 'F8':
self._dcon_manager.set_mode(DCONManager.BLACK_AND_WHITE_MODE)
elif key == '<shft><alt>F9':
self._frame.notify_key_press()
elif key == '<shft><alt>F10':
self.toggle_chat_visibility()
elif key == '<shft><alt>F11':
gobject.idle_add(self._open_terminal_cb)
elif key == '0xDC': # Camera key
pass
elif key == '0xE0': # Overlay key
self.toggle_chat_visibility()
elif key == '0x93': # Frame key
self._frame.notify_key_press()
def __global_key_released_cb(self, grabber, key):
if key == '<shft><alt>F9':
self._frame.notify_key_release()
elif key == '0x93':
self._frame.notify_key_release()
def __window_opened_cb(self, screen, window):
if window.get_window_type() == wnck.WINDOW_NORMAL:
activity_host = ActivityHost(self.get_model(), window)
self._hosts[activity_host.get_xid()] = activity_host
self.emit('activity-opened', activity_host)
def __active_window_changed_cb(self, screen):
window = screen.get_active_window()
if not window or window.get_window_type() != wnck.WINDOW_NORMAL:
return
if not self._hosts.has_key(window.get_xid()):
return
activity_host = self._hosts[window.get_xid()]
current = self._model.get_current_activity()
if activity_host.get_id() == current:
return
self._set_current_activity(activity_host)
def __window_closed_cb(self, screen, window):
if window.get_window_type() != wnck.WINDOW_NORMAL:
return
if not self._hosts.has_key(window.get_xid()):
return
host = self._hosts[window.get_xid()]
host.destroy()
self.emit('activity-closed', host)
del self._hosts[window.get_xid()]
if len(self._hosts) == 0:
self._set_current_activity(None)
def _set_current_activity(self, host):
if host:
self._model.set_current_activity(host.get_id())
else:
self._model.set_current_activity(None)
if self._current_host:
self._current_host.set_active(False)
self._current_host = host
if self._current_host:
self._current_host.set_active(True)
self.emit('activity-changed', host)
def get_model(self):
return self._model
def join_activity(self, bundle_id, activity_id):
pservice = PresenceService.get_instance()
activity = self._get_activity(activity_id)
if activity:
activity.present()
else:
activity_ps = pservice.get_activity(activity_id)
if activity_ps:
activity = ActivityFactory.create(bundle_id)
activity.join(activity_ps.object_path())
else:
logging.error('Cannot start activity.')
def start_activity(self, activity_type):
activity = ActivityFactory.create(activity_type)
activity.execute('test', [])
return activity
def set_zoom_level(self, level):
if level == sugar.ZOOM_ACTIVITY:
self._screen.toggle_showing_desktop(False)
else:
self._screen.toggle_showing_desktop(True)
self._home_window.set_zoom_level(level)
def get_current_activity(self):
activity_id = self._model.get_current_activity()
if activity_id:
return self._get_activity(activity_id)
else:
return None
def _get_activity(self, activity_id):
for host in self._hosts.values():
if host.get_id() == activity_id:
return host
return None
def toggle_chat_visibility(self):
act = self.get_current_activity()
if not act:
return
is_visible = self._frame.is_visible()
if act.is_chat_visible():
frame_was_visible = act.chat_hide()
if not frame_was_visible:
self._frame.do_slide_out()
else:
if not is_visible:
self._frame.do_slide_in()
act.chat_show(is_visible)
|
