Infrastructure for the home page devices

configure.ac

@@ -117,9 +117,11 @@ services/datastore/Makefile
 shell/Makefile
 shell/data/Makefile
 shell/view/Makefile
-shell/view/home/Makefile
+shell/view/devices/Makefile
 shell/view/frame/Makefile
+shell/view/home/Makefile
 shell/model/Makefile
+shell/model/devices/Makefile
 services/console/lib/Makefile
 services/console/lib/procmem/Makefile
 services/console/Makefile

shell/model/Makefile.am

@@ -1,3 +1,5 @@
+SUBDIRS = devices
+
 sugardir = $(pkgdatadir)/shell/model
 sugar_PYTHON =			\
 	__init__.py		\

shell/model/ShellModel.py

@@ -24,6 +24,7 @@ from model.Friends import Friends
 from model.MeshModel import MeshModel
 from model.homemodel import HomeModel
 from model.Owner import ShellOwner
+from model.devices.devicesmodel import DevicesModel
 from sugar import env
 
 class ShellModel(gobject.GObject):
@@ -54,6 +55,7 @@ class ShellModel(gobject.GObject):
         self._friends = Friends()
         self._mesh = MeshModel(self._bundle_registry)
         self._home = HomeModel(self._bundle_registry)
+        self._devices = DevicesModel()
 
         for path in env.get_data_dirs():
             bundles_path = os.path.join(path, 'activities')
@@ -86,3 +88,6 @@ class ShellModel(gobject.GObject):
 
     def get_owner(self):
         return self._owner
+
+    def get_devices(self):
+        return self._devices

shell/model/devices/Makefile.am

@@ -0,0 +1,7 @@
+sugardir = $(pkgdatadir)/shell/model/devices
+sugar_PYTHON =			\
+	__init__.py		\
+	device.py		\
+	devicesmodel.py		\
+	battery.py		\
+	network.py

shell/model/devices/battery.py

@@ -0,0 +1,11 @@
+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

@@ -0,0 +1,11 @@
+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

@@ -0,0 +1,29 @@
+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

@@ -0,0 +1,11 @@
+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/view/Makefile.am

@@ -1,6 +1,6 @@
-SUBDIRS = frame home
+SUBDIRS = devices frame home
 
-sugardir = $(pkgdatadir)/shell/view
+sugardir = $(pkgdatadir)/shell/view/devices
 sugar_PYTHON =				\
 	__init__.py			\
 	ActivityHost.py			\

shell/view/devices/Makefile.am

@@ -0,0 +1,6 @@
+sugardir = $(pkgdatadir)/shell/view/devices
+sugar_PYTHON =				\
+	__init__.py			\
+	battery.py			\
+	deviceview.py			\
+	network.py

shell/view/devices/battery.py

@@ -0,0 +1,6 @@
+from view.devices import deviceview
+
+class DeviceView(deviceview.DeviceView)
+    def __init__(self, model):
+        deviceview.DeviceView.__init__(self, model)
+        self.props.icon_name = 'theme:stock-close'

shell/view/devices/deviceview.py

@@ -0,0 +1,16 @@
+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()
+
+    mod = __import__(name)
+    components = name.split('.')
+    for comp in components[1:]:
+        mod = getattr(mod, comp)
+
+    return mod.DeviceView(model)

shell/view/devices/network.py

@@ -0,0 +1,6 @@
+from view.devices import deviceview
+
+class DeviceView(deviceview.DeviceView):
+    def __init__(self, model):
+        deviceview.DeviceView.__init__(self, model)
+        self.props.icon_name = 'theme:stock-close'

shell/view/home/HomeBox.py

@@ -16,12 +16,14 @@
 
 import hippo
 
-from view.home.activitiesdonut import ActivitiesDonut
-from view.home.MyIcon import MyIcon
-from model.ShellModel import ShellModel
 from sugar.graphics import units
 from sugar.graphics.iconcolor import IconColor
 
+from view.home.activitiesdonut import ActivitiesDonut
+from view.devices import deviceview
+from view.home.MyIcon import MyIcon
+from model.ShellModel import ShellModel
+
 class HomeBox(hippo.CanvasBox, hippo.CanvasItem):
     __gtype_name__ = 'SugarHomeBox'
 
@@ -36,9 +38,17 @@ class HomeBox(hippo.CanvasBox, hippo.CanvasItem):
         self._my_icon = MyIcon(units.XLARGE_ICON_SCALE)
         self.append(self._my_icon, hippo.PACK_FIXED)
 
-        shell.get_model().connect('notify::state',
+        shell_model = shell.get_model()
+        shell_model.connect('notify::state',
                             self._shell_state_changed_cb)
 
+        for device in shell_model.get_devices():
+            self._add_device(device)
+
+    def _add_device(self, device):
+        view = deviceview.create(device)
+        self.append(view, hippo.PACK_FIXED)
+
     def _shell_state_changed_cb(self, model, pspec):
         # FIXME handle all possible mode switches
         if model.props.state == ShellModel.STATE_SHUTDOWN: