Add voice_icon plugin

plugins/__init__.py

@@ -1,3 +1,4 @@
 from .fuel_check import FuelCheck
 from .air_bags import AirBags
-plugins = [FuelCheck, AirBags]
+from .voice_icon import VoiceIcon
+plugins = [FuelCheck, AirBags, VoiceIcon]

plugins/voice_icon.py

@@ -0,0 +1,27 @@
+"Voice Icon"
+import time
+
+from daemon import DaemonPlugin
+
+class VoiceIcon(DaemonPlugin):
+    "Forwards Messages from message bus to OSD Frontend"
+
+    def initialize(self):
+        "Initialize plugin"
+        self.messagebus_client.on("recognizer_loop:wakeword", self.on_wakeword)
+        self.messagebus_client.on("recognizer_loop:record_end",
+                                  self.on_record_end)
+        self.messagebus_client.on("recognizer_loop:utterance",
+                                  self.on_utterance)
+
+    def check(self, data):
+        pass
+
+    def on_wakeword(self, message):
+        self.emit("voice:wakeword", {})
+
+    def on_record_end(self, message):
+        self.emit("voice:record_end", {})
+
+    def on_utterance(self, message):
+        self.emit("voice:utterance", {"text": message.data["utterances"][0]})