Add rollershutter demo

homeassistant/components/demo.py

@@ -17,8 +17,19 @@ DOMAIN = "demo"
 DEPENDENCIES = ['conversation', 'introduction', 'zone']
 
 COMPONENTS_WITH_DEMO_PLATFORM = [
-    'device_tracker', 'light', 'media_player', 'notify', 'switch', 'sensor',
-    'thermostat', 'camera', 'binary_sensor', 'alarm_control_panel', 'lock']
+    'alarm_control_panel',
+    'binary_sensor',
+    'camera',
+    'device_tracker',
+    'light',
+    'lock',
+    'media_player',
+    'notify',
+    'rollershutter',
+    'sensor',
+    'switch',
+    'thermostat',
+]
 
 
 def setup(hass, config):

homeassistant/components/rollershutter/demo.py

@@ -0,0 +1,78 @@
+"""
+homeassistant.components.rollershutter.demo
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+Demo platform for rollorshutter component.
+"""
+from homeassistant.const import EVENT_TIME_CHANGED
+from homeassistant.helpers.event import track_utc_time_change
+from homeassistant.components.rollershutter import RollershutterDevice
+
+
+def setup_platform(hass, config, add_devices, discovery_info=None):
+    """ Sets up the Demo binary sensors. """
+    add_devices([
+        DemoRollershutter(hass, 'Kitchen Window', 0),
+        DemoRollershutter(hass, 'Living Room Window', 100),
+    ])
+
+
+class DemoRollershutter(RollershutterDevice):
+    """ Represents a rollershutter within Home Assistant. """
+    # pylint: disable=no-self-use
+
+    def __init__(self, hass, name, position):
+        self.hass = hass
+        self._name = name
+        self._position = position
+        self._moving_up = True
+        self._listener = None
+
+    @property
+    def name(self):
+        return self._name
+
+    @property
+    def should_poll(self):
+        return False
+
+    @property
+    def current_position(self):
+        return self._position
+
+    def move_up(self, **kwargs):
+        """ Move the rollershutter down. """
+        if self._position == 0:
+            return
+
+        self._listen()
+        self._moving_up = True
+
+    def move_down(self, **kwargs):
+        """ Move the rollershutter up. """
+        if self._position == 100:
+            return
+
+        self._listen()
+        self._moving_up = False
+
+    def stop(self, **kwargs):
+        """ Stop the rollershutter. """
+        if self._listener is not None:
+            self.hass.bus.remove_listener(EVENT_TIME_CHANGED, self._listener)
+            self._listener = None
+
+    def _listen(self):
+        if self._listener is None:
+            self._listener = track_utc_time_change(self.hass,
+                                                   self._time_changed)
+
+    def _time_changed(self, now):
+        if self._moving_up:
+            self._position -= 10
+        else:
+            self._position += 10
+
+        if self._position % 100 == 0:
+            self.stop()
+
+        self.update_ha_state()