Infrastructure for the home page devices

shell/model/devices/Makefile.am

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+sugardir = $(pkgdatadir)/shell/model/devices
+sugar_PYTHON =			\
+	__init__.py		\
+	device.py		\
+	devicesmodel.py		\
+	battery.py		\
+	network.py

shell/model/devices/battery.py

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+from model.devices import device
+
+class Device(device.Device):
+    def __init__(self):
+        device.Device.__init__(self)
+
+    def get_type(self):
+        return 'network'
+
+    def get_level(self):
+        return 0

shell/model/devices/device.py

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+from sugar import util
+
+class Device(object):
+    def __init__(self):
+        self._id = util.unique_id()
+
+    def get_type(self):
+        return 'unknown'        
+
+    def get_id(self):
+        return self._id

shell/model/devices/devicesmodel.py

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+import gobject
+
+from model.devices import device
+from model.devices import network
+from model.devices import battery
+
+class DevicesModel(gobject.GObject):
+    __gsignals__ = {
+        'device-appeared'   : (gobject.SIGNAL_RUN_FIRST,
+                               gobject.TYPE_NONE, 
+                              ([gobject.TYPE_PYOBJECT])),
+        'device-disappeared': (gobject.SIGNAL_RUN_FIRST,
+                               gobject.TYPE_NONE, 
+                              ([gobject.TYPE_PYOBJECT]))
+    }
+   
+    def __init__(self):
+        gobject.GObject.__init__(self)
+
+        self._devices = []
+
+        self.add_device(network.Device())
+        self.add_device(battery.Device())
+
+    def __iter__(self):
+        return iter(self._devices)
+
+    def add_device(self, device):
+        self._devices.append(device)

shell/model/devices/network.py

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+from model.devices import device
+
+class Device(device.Device):
+    def __init__(self):
+        device.Device.__init__(self)
+
+    def get_type(self):
+        return 'network'
+
+    def get_level(self):
+        return 0