#7434 Add power section to the control panel

4 files changed, 277 insertions, 6 deletions

diff --git a/src/controlpanel/model/Makefile.am b/src/controlpanel/model/Makefile.am
index 0e7a80d..20c27a9 100644
--- a/src/controlpanel/model/Makefile.am
+++ b/src/controlpanel/model/Makefile.am
@@ -6,8 +6,5 @@ sugar_PYTHON = 				\
 	datetime.py			\
 	frame.py			\
 	language.py			\
-	network.py			
-
-
-
-
+	network.py			\
+	power.py
diff --git a/src/controlpanel/model/power.py b/src/controlpanel/model/power.py
new file mode 100644
index 0000000..bcf84f3
--- /dev/null
+++ b/src/controlpanel/model/power.py
@@ -0,0 +1,91 @@
+# Copyright (C) 2008 One Laptop Per Child
+#
+# 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
+#
+
+from gettext import gettext as _
+
+from sugar import profile
+import dbus
+
+OHM_SERVICE_NAME = 'org.freedesktop.ohm'
+OHM_SERVICE_PATH = '/org/freedesktop/ohm/Keystore'
+OHM_SERVICE_IFACE = 'org.freedesktop.ohm.Keystore'
+
+KEYWORDS = ['automatic', 'extreme', 'power', 'suspend', 'battery']
+
+class ReadError(Exception):
+    def __init__(self, value):
+        self.value = value
+    def __str__(self):
+        return repr(self.value)
+
+def get_automatic_pm():
+    pro = profile.get_profile()
+    ret = pro.automatic_pm
+    return ret
+
+def print_automatic_pm():
+    print ('off', 'on')[get_automatic_pm()]
+
+def set_automatic_pm(enabled):
+    """Automatic suspends on/off."""
+
+    bus = dbus.SystemBus()
+    proxy = bus.get_object(OHM_SERVICE_NAME, OHM_SERVICE_PATH)
+    keystore = dbus.Interface(proxy, OHM_SERVICE_IFACE)
+    
+    if enabled == 'on' or enabled == 1:
+        keystore.SetKey("suspend.automatic_pm", 1)
+        enabled = True
+    elif enabled == 'off' or enabled == 0:
+        keystore.SetKey("suspend.automatic_pm", 0)
+        enabled = False
+    else:
+        raise ValueError(_("Error in automatic pm argument, use on/off."))
+
+    pro = profile.get_profile()
+    pro.automatic_pm = enabled
+    pro.save()
+    return 0
+
+def get_extreme_pm():
+    pro = profile.get_profile()
+    ret = pro.extreme_pm
+    return ret
+
+def print_extreme_pm():
+    print ('off', 'on')[get_extreme_pm()]
+
+def set_extreme_pm(enabled):
+    """Extreme power management on/off."""
+    
+    bus = dbus.SystemBus()
+    proxy = bus.get_object(OHM_SERVICE_NAME, OHM_SERVICE_PATH)
+    keystore = dbus.Interface(proxy, OHM_SERVICE_IFACE)
+    
+    if enabled == 'on' or enabled == 1:
+        keystore.SetKey("suspend.extreme_pm", 1)
+        enabled = True
+    elif enabled == 'off' or enabled == 0:
+        keystore.SetKey("suspend.extreme_pm", 0)
+        enabled = False
+    else:
+        raise ValueError(_("Error in extreme pm argument, use on/off."))
+
+    pro = profile.get_profile()
+    pro.extreme_pm = enabled
+    pro.save()
+    return 0
diff --git a/src/controlpanel/view/Makefile.am b/src/controlpanel/view/Makefile.am
index 0fd9445..a4d2a53 100644
--- a/src/controlpanel/view/Makefile.am
+++ b/src/controlpanel/view/Makefile.am
@@ -6,7 +6,8 @@ sugar_PYTHON = 				\
 	datetime.py			\
 	frame.py			\
 	language.py			\
-	network.py			
+	network.py			\
+	power.py
 
 
 
diff --git a/src/controlpanel/view/power.py b/src/controlpanel/view/power.py
new file mode 100644
index 0000000..38d2b24
--- /dev/null
+++ b/src/controlpanel/view/power.py
@@ -0,0 +1,182 @@
+# Copyright (C) 2008, OLPC
+#
+# 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
+from gettext import gettext as _
+
+from sugar.graphics import style
+
+from controlpanel.sectionview import SectionView
+from controlpanel.inlinealert import InlineAlert
+
+CLASS = 'Power'
+ICON = 'module-power'
+TITLE = _('Power')
+
+class Power(SectionView):
+    def __init__(self, model, alerts):
+        SectionView.__init__(self)
+
+        self._model = model
+        self.restart_alerts = alerts
+        self._automatic_pm_valid = True
+        self._extreme_pm_valid = True
+        self._extreme_pm_change_handler = None
+        self._automatic_pm_change_handler = None
+
+        self.set_border_width(style.DEFAULT_SPACING * 2)
+        self.set_spacing(style.DEFAULT_SPACING)
+        group = gtk.SizeGroup(gtk.SIZE_GROUP_HORIZONTAL)
+
+        self._automatic_pm_alert_box = gtk.HBox(spacing=style.DEFAULT_SPACING)
+        self._extreme_pm_alert_box = gtk.HBox(spacing=style.DEFAULT_SPACING)
+
+        separator_pm = gtk.HSeparator()
+        self.pack_start(separator_pm, expand=False)
+        separator_pm.show()
+
+        label_pm = gtk.Label(_('Power management'))
+        label_pm.set_alignment(0, 0)
+        self.pack_start(label_pm, expand=False)
+        label_pm.show()
+        box_pm = gtk.VBox()
+        box_pm.set_border_width(style.DEFAULT_SPACING * 2)
+        box_pm.set_spacing(style.DEFAULT_SPACING)
+
+        box_automatic_pm = gtk.HBox(spacing=style.DEFAULT_SPACING)
+        label_automatic_pm = gtk.Label(
+            _('Automatic power management (increases battery life)'))
+        label_automatic_pm.set_alignment(0, 0.5)
+        self._automatic_button = gtk.CheckButton()
+        self._automatic_button.set_alignment(0, 0)
+        box_automatic_pm.pack_start(self._automatic_button, expand=False)
+        box_automatic_pm.pack_start(label_automatic_pm, expand=False)
+        self._automatic_button.show()
+        label_automatic_pm.show()
+        group.add_widget(label_automatic_pm)
+        box_pm.pack_start(box_automatic_pm, expand=False)
+        box_automatic_pm.show()
+
+        self._automatic_pm_alert = InlineAlert()
+        label_automatic_pm_error = gtk.Label()
+        group.add_widget(label_automatic_pm_error)
+        self._automatic_pm_alert_box.pack_start(label_automatic_pm_error,
+                                                expand=False)
+        label_automatic_pm_error.show()
+        self._automatic_pm_alert_box.pack_start(self._automatic_pm_alert,
+                                                expand=False)
+        box_pm.pack_end(self._automatic_pm_alert_box, expand=False)
+        self._automatic_pm_alert_box.show()
+        if 'automatic_pm' in self.restart_alerts:
+            self._automatic_pm_alert.props.msg = self.restart_msg
+            self._automatic_pm_alert.show()
+
+        box_extreme_pm = gtk.HBox(spacing=style.DEFAULT_SPACING)
+        label_extreme_pm = gtk.Label(
+            _('Extreme power management (disables wireless radio, increases battery life)'))
+        label_extreme_pm.set_alignment(0, 0.5)
+        self._extreme_button = gtk.CheckButton()
+        self._extreme_button.set_alignment(0, 0)
+        box_extreme_pm.pack_start(self._extreme_button, expand=False)
+        self._extreme_button.show()
+        box_extreme_pm.pack_start(label_extreme_pm, expand=False)
+        group.add_widget(label_extreme_pm)
+        label_extreme_pm.show()
+        box_pm.pack_start(box_extreme_pm, expand=False)
+        box_extreme_pm.show()
+
+        self._extreme_pm_alert = InlineAlert()
+        label_extreme_pm_error = gtk.Label()
+        group.add_widget(label_extreme_pm_error)
+        self._extreme_pm_alert_box.pack_start(label_extreme_pm_error,
+                                              expand=False)
+        label_extreme_pm_error.show()
+        self._extreme_pm_alert_box.pack_start(self._extreme_pm_alert,
+                                              expand=False)
+        box_pm.pack_end(self._extreme_pm_alert_box, expand=False)
+        self._extreme_pm_alert_box.show()
+        if 'extreme_pm' in self.restart_alerts:
+            self._extreme_pm_alert.props.msg = self.restart_msg
+            self._extreme_pm_alert.show()
+
+        self.pack_start(box_pm, expand=False)
+        box_pm.show()
+
+        self.setup()
+
+    def setup(self):
+        try:
+            automatic_state = self._model.get_automatic_pm()
+            extreme_state = self._model.get_extreme_pm()
+
+        except Exception, detail:
+            self._automatic_pm_alert.props.msg = detail
+            self._automatic_pm_alert.show()
+
+            self._extreme_pm_alert.props.msg = detail
+            self._extreme_pm_alert.show()
+        else:
+            self._automatic_button.set_active(automatic_state)
+            self._extreme_button.set_active(extreme_state)
+
+        self._extreme_pm_valid = True
+        self._automatic_pm_valid = True
+        self.needs_restart = False
+        self._automatic_pm_change_handler = self._automatic_button.connect( \
+                'toggled', self.__automatic_pm_toggled_cb)
+        self._extreme_pm_change_handler = self._extreme_button.connect( \
+                'toggled', self.__extreme_pm_toggled_cb)
+
+    def undo(self):
+        self._automatic_button.disconnect(self._automatic_pm_change_handler)
+        self._extreme_button.disconnect(self._extreme_pm_change_handler)
+        self._model.undo()
+        self._extreme_pm_alert.hide()
+        self._automatic_pm_alert.hide()
+
+    def __automatic_pm_toggled_cb(self, widget, data=None):
+        state = widget.get_active()
+        try:
+            self._model.set_automatic_pm(state)
+        except Exception, detail:
+            print detail
+            self._automatic_pm_alert.props.msg = detail
+        else:
+            self._automatic_pm_valid = True
+
+        if self._automatic_pm_valid and self._extreme_pm_valid:
+            self.props.is_valid = True
+        else:
+            self.props.is_valid = False
+
+        return False
+
+    def __extreme_pm_toggled_cb(self, widget, data=None):
+        state = widget.get_active()
+        try:
+            self._model.set_extreme_pm(state)
+        except Exception, detail:
+            print detail
+            self._extreme_pm_alert.props.msg = detail
+        else:
+            self._extreme_pm_valid = True
+
+        if self._extreme_pm_valid and self._extreme_pm_valid:
+            self.props.is_valid = True
+        else:
+            self.props.is_valid = False
+
+        return False