Resolves #111: Assumed state

lib/entity_class/button_entity.class.dart

@@ -3,7 +3,7 @@ part of '../main.dart';
 class _ButtonEntityWidgetState extends _EntityWidgetState {
 
   @override
-  void sendNewState(newValue) {
+  void setNewState(newValue) {
     eventBus.fire(new ServiceCallEvent(widget.entity.domain, "turn_on", widget.entity.entityId, null));
   }
 
@@ -11,7 +11,7 @@ class _ButtonEntityWidgetState extends _EntityWidgetState {
   Widget _buildActionWidget(bool inCard, BuildContext context) {
     return FlatButton(
       onPressed: (() {
-        sendNewState(null);
+        setNewState(null);
       }),
       child: Text(
         "EXECUTE",

lib/entity_class/datetime_entity.class.dart

@@ -28,7 +28,7 @@ class _DateTimeEntityWidgetState extends _EntityWidgetState {
   }
 
   @override
-  void sendNewState(newValue) {
+  void setNewState(newValue) {
     eventBus.fire(new ServiceCallEvent(widget.entity.domain, "set_datetime", widget.entity.entityId,
         newValue));
   }
@@ -56,17 +56,17 @@ class _DateTimeEntityWidgetState extends _EntityWidgetState {
         if (date != null) {
           if (hasTime) {
             _showTimePicker(context).then((time){
-              sendNewState({"date": "${formatDate(date, [yyyy, '-', mm, '-', dd])}", "time": "${formatDate(DateTime(1970, 1, 1, time.hour, time.minute), [HH, ':', nn])}"});
+              setNewState({"date": "${formatDate(date, [yyyy, '-', mm, '-', dd])}", "time": "${formatDate(DateTime(1970, 1, 1, time.hour, time.minute), [HH, ':', nn])}"});
             });
           } else {
-            sendNewState({"date": "${formatDate(date, [yyyy, '-', mm, '-', dd])}"});
+            setNewState({"date": "${formatDate(date, [yyyy, '-', mm, '-', dd])}"});
           }
         }
       });
     } else if (hasTime) {
       _showTimePicker(context).then((time){
         if (time != null) {
-          sendNewState({"time": "${formatDate(DateTime(1970, 1, 1, time.hour, time.minute), [HH, ':', nn])}"});
+          setNewState({"time": "${formatDate(DateTime(1970, 1, 1, time.hour, time.minute), [HH, ':', nn])}"});
         }
       });
     } else {

lib/entity_class/entity.class.dart

@@ -22,6 +22,7 @@ class Entity {
   String _domain;
   String _entityId;
   String _state;
+  String assumedState;
   DateTime _lastUpdated;
 
   String get displayName =>
@@ -52,6 +53,7 @@ class Entity {
     _domain = rawData["entity_id"].split(".")[0];
     _entityId = rawData["entity_id"];
     _state = rawData["state"];
+    assumedState = _state;
     _lastUpdated = DateTime.tryParse(rawData["last_updated"]);
   }
 
@@ -179,7 +181,7 @@ class _EntityWidgetState extends State<EntityWidget> {
     eventBus.fire(new ShowEntityPageEvent(widget.entity));
   }
 
-  void sendNewState(newState) {
+  void setNewState(newState) {
     return;
   }
 

lib/entity_class/select_entity.class.dart

@@ -4,7 +4,7 @@ class _SelectEntityWidgetState extends _EntityWidgetState {
   List<String> _listOptions = [];
 
   @override
-  void sendNewState(newValue) {
+  void setNewState(newValue) {
     eventBus.fire(new ServiceCallEvent(widget.entity.domain, "select_option", widget.entity.entityId,
         {"option": "$newValue"}));
   }
@@ -28,7 +28,7 @@ class _SelectEntityWidgetState extends _EntityWidgetState {
           );
         }).toList(),
         onChanged: (_) {
-          sendNewState(_);
+          setNewState(_);
         },
       ),
     );

lib/entity_class/slider_entity.class.dart

@@ -14,7 +14,7 @@ class _SliderEntityWidgetState extends _EntityWidgetState {
   }
 
   @override
-  void sendNewState(newValue) {
+  void setNewState(newValue) {
     eventBus.fire(new ServiceCallEvent(widget.entity.domain, "set_value", widget.entity.entityId,
         {"value": "${newValue.toString()}"}));
   }
@@ -46,7 +46,7 @@ class _SliderEntityWidgetState extends _EntityWidgetState {
                     (value.roundToDouble() / _multiplier).toString(), true));*/
               },
               onChangeEnd: (value) {
-                sendNewState(value.roundToDouble() / _multiplier);
+                setNewState(value.roundToDouble() / _multiplier);
               },
             ),
           ),

lib/entity_class/switch_entity.class.dart

@@ -8,7 +8,15 @@ class _SwitchEntityWidgetState extends _EntityWidgetState {
   }
 
   @override
-  void sendNewState(newValue) {
+  void setNewState(newValue) {
+    setState(() {
+      widget.entity.assumedState = newValue ? 'on' : 'off';
+    });
+    Timer(Duration(seconds: 2), (){
+      setState(() {
+        widget.entity.assumedState = widget.entity.state;
+      });
+    });
     eventBus.fire(new ServiceCallEvent(
         widget.entity.domain, (newValue as bool) ? "turn_on" : "turn_off", widget.entity.entityId, null));
   }
@@ -16,12 +24,9 @@ class _SwitchEntityWidgetState extends _EntityWidgetState {
   @override
   Widget _buildActionWidget(bool inCard, BuildContext context) {
     return Switch(
-      value: widget.entity.isOn,
+      value: widget.entity.assumedState == 'on',
       onChanged: ((switchState) {
-        sendNewState(switchState);
-        setState(() {
-          widget.entity.state = switchState ? 'on' : 'off';
-        });
+        setNewState(switchState);
       }),
     );
   }

lib/entity_class/text_entity.class.dart

@@ -19,7 +19,7 @@ class _TextEntityWidgetState extends _EntityWidgetState {
   }
 
   @override
-  void sendNewState(newValue) {
+  void setNewState(newValue) {
     if (validate(newValue)) {
       eventBus.fire(new ServiceCallEvent(widget.entity.domain, "set_value", widget.entity.entityId,
           {"value": "$newValue"}));
@@ -43,7 +43,7 @@ class _TextEntityWidgetState extends _EntityWidgetState {
 
   void _focusListener() {
     if (!_focusNode.hasFocus && (_tmpValue != widget.entity.state)) {
-      sendNewState(_tmpValue);
+      setNewState(_tmpValue);
     }
   }