Make the icon pulse when connecting

shell/view/devices/battery.py

@@ -1,11 +1,11 @@
-from view.devices import deviceview
 from sugar.graphics import canvasicon
 
 _ICON_NAME = 'device-battery'
 
-class DeviceView(deviceview.DeviceView):
+class DeviceView(canvasicon.CanvasIcon):
     def __init__(self, model):
-        deviceview.DeviceView.__init__(self, model)
+        canvasicon.CanvasIcon.__init__(self)
+        self._model = model
 
         icon_name = canvasicon.get_icon_state(_ICON_NAME, 60)
         self.props.icon_name = icon_name

shell/view/devices/deviceview.py

@@ -1,10 +1,5 @@
 from sugar.graphics.canvasicon import CanvasIcon
 
-class DeviceView(CanvasIcon):
-    def __init__(self, model):
-        CanvasIcon.__init__(self)
-        self.model = model
-
 def create(model):
     name = 'view.devices.' + model.get_type()
 

shell/view/devices/wirelessnetwork.py

@@ -17,14 +17,14 @@
 
 from sugar.graphics import canvasicon
 from sugar.graphics import color
-from view.devices import deviceview
 from model.devices import wirelessnetwork
+from view.pulsingicon import PulsingIcon
 
 _ICON_NAME = 'device-network-wireless'
 
-class DeviceView(deviceview.DeviceView):
+class DeviceView(PulsingIcon):
     def __init__(self, model):
-        deviceview.DeviceView.__init__(self, model)
+        PulsingIcon.__init__(self)
         self._model = model
 
         model.connect('notify::name', self._name_changed_cb)

shell/view/home/MeshBox.py

@@ -23,16 +23,17 @@ from sugar.graphics.spreadbox import SpreadBox
 from sugar.graphics.snowflakebox import SnowflakeBox
 from sugar.graphics.canvasicon import CanvasIcon
 from sugar.graphics import color
+from sugar.graphics import canvasicon
 from model import accesspointmodel
 from hardware import hardwaremanager
 from view.BuddyIcon import BuddyIcon
-from sugar.graphics import canvasicon
+from view.pulsingicon import PulsingIcon
 
 _ICON_NAME = 'device-network-wireless'
 
-class AccessPointView(CanvasIcon):
+class AccessPointView(PulsingIcon):
     def __init__(self, model):
-        CanvasIcon.__init__(self)
+        PulsingIcon.__init__(self)
         self._model = model
 
         self.connect('activated', self._activate_cb)
@@ -41,6 +42,11 @@ class AccessPointView(CanvasIcon):
         model.connect('notify::name', self._name_changed_cb)
         model.connect('notify::state', self._state_changed_cb)
 
+        self.props.colors = [
+            [ None, None ],
+            [ color.ICON_FILL_INACTIVE, color.ICON_STROKE_INACTIVE ]
+        ]
+
         self._update_icon()
         self._update_name()
         self._update_state()
@@ -71,14 +77,14 @@ class AccessPointView(CanvasIcon):
             self.props.icon_name = icon_name
 
     def _update_state(self):
-        # FIXME Change icon colors once we have real icons
         if self._model.props.state == accesspointmodel.STATE_CONNECTING:
-            self.props.fill_color = color.ICON_FILL_INACTIVE
+            self.props.pulsing = True
-            self.props.stroke_color = color.ICON_STROKE_INACTIVE
         elif self._model.props.state == accesspointmodel.STATE_CONNECTED:
+            self.props.pulsing = False
             self.props.fill_color = None
             self.props.stroke_color = None
         elif self._model.props.state == accesspointmodel.STATE_NOTCONNECTED:
+            self.props.pulsing = False
             self.props.fill_color = color.ICON_FILL_INACTIVE
             self.props.stroke_color = color.ICON_STROKE_INACTIVE
 

shell/view/pulsingicon.py

@@ -0,0 +1,78 @@
+# 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 gobject
+
+from sugar.graphics.canvasicon import CanvasIcon
+
+class PulsingIcon(CanvasIcon):
+    __gproperties__ = {
+        'colors'  : (object, None, None,
+                     gobject.PARAM_READWRITE),
+        'pulsing' : (bool, None, None, False,
+                     gobject.PARAM_READWRITE)
+    }
+
+    def __init__(self, **kwargs):
+        self._pulsing = False
+        self._colors = None
+        self._pulse_sid = 0
+        self._pos = 0
+
+        CanvasIcon.__init__(self, **kwargs)
+
+    def do_set_property(self, pspec, value):
+        CanvasIcon.do_set_property(self, pspec, value)
+
+        if pspec.name == 'pulsing':
+            self._pulsing = value
+            if self._pulsing:
+                self._start()
+            else:
+                self._stop()
+        elif pspec.name == 'colors':
+            self._colors = value
+            self._pos = 0
+
+    def do_get_property(self, pspec):
+        CanvasIcon.do_get_property(self, pspec, value)
+
+        if pspec.name == 'pulsing':
+            return self._pulsing
+        elif pspec.name == 'colors':
+            return self._colors
+
+    def _pulse_timeout(self):
+        if not self._colors:
+            return
+
+        self.props.stroke_color = self._colors[self._pos][0]
+        self.props.fill_color = self._colors[self._pos][1]
+
+        self._pos += 1
+        if self._pos == len(self._colors):
+            self._pos = 0
+
+        return True
+
+    def _start(self):
+        if self._pulse_sid == 0:
+            self._pulse_sid = gobject.timeout_add(1000, self._pulse_timeout)
+
+    def _stop(self):
+        if self._pulse_sid:
+            gobject.source_remove(self._pulse_sid)
+            self._pulse_sid = 0