WIP #308 Move entity icon generation into EntityIcon widget

lib/entity_widgets/button_entity_container.dart

@@ -22,7 +22,7 @@ class ButtonEntityContainer extends StatelessWidget {
               fit: BoxFit.fitHeight,
               child: EntityIcon(
                 padding: EdgeInsets.fromLTRB(2.0, 6.0, 2.0, 2.0),
-                iconSize: Sizes.iconSize,
+                size: Sizes.iconSize,
               )
             ),
           ),

lib/entity_widgets/common/badge.dart

@@ -27,14 +27,20 @@ class BadgeWidget extends StatelessWidget {
       case "media_player":
       case "binary_sensor":
         {
-          badgeIcon = MaterialDesignIcons.createIconWidgetFromEntityData(
-              entityModel.entityWrapper, iconSize, Colors.black);
+          badgeIcon = EntityIcon(
+            padding: EdgeInsets.all(0.0),
+            size: iconSize,
+            color: Colors.black
+          );
           break;
         }
       case "device_tracker":
         {
-          badgeIcon = MaterialDesignIcons.createIconWidgetFromEntityData(
-              entityModel.entityWrapper, iconSize, Colors.black);
+          badgeIcon = EntityIcon(
+              padding: EdgeInsets.all(0.0),
+              size: iconSize,
+              color: Colors.black
+          );
           onBadgeTextValue = entityModel.entityWrapper.entity.state;
           break;
         }

lib/entity_widgets/entity_icon.dart

@@ -3,20 +3,64 @@ part of '../main.dart';
 class EntityIcon extends StatelessWidget {
 
   final EdgeInsetsGeometry padding;
-  final double iconSize;
+  final double size;
+  final Color color;
 
-  const EntityIcon({Key key, this.iconSize: Sizes.iconSize, this.padding: const EdgeInsets.fromLTRB(
+  const EntityIcon({Key key, this.color, this.size: Sizes.iconSize, this.padding: const EdgeInsets.fromLTRB(
       Sizes.leftWidgetPadding, 0.0, 12.0, 0.0)}) : super(key: key);
 
+  int getDefaultIconByEntityId(String entityId, String deviceClass, String state) {
+    String domain = entityId.split(".")[0];
+    String iconNameByDomain = MaterialDesignIcons.defaultIconsByDomains["$domain.$state"] ?? MaterialDesignIcons.defaultIconsByDomains["$domain"];
+    String iconNameByDeviceClass;
+    if (deviceClass != null) {
+      iconNameByDeviceClass = MaterialDesignIcons.defaultIconsByDeviceClass["$domain.$deviceClass.$state"] ?? MaterialDesignIcons.defaultIconsByDeviceClass["$domain.$deviceClass"];
+    }
+    String iconName = iconNameByDeviceClass ?? iconNameByDomain;
+    if (iconName != null) {
+      return MaterialDesignIcons.iconsDataMap[iconName] ?? 0;
+    } else {
+      return 0;
+    }
+  }
+
+  Widget buildIcon(EntityWrapper data, Color color) {
+    if (data == null) {
+      return null;
+    }
+    if (data.entity.entityPicture != null) {
+      return CircleAvatar(
+        radius: size/2,
+        backgroundColor: Colors.white,
+        backgroundImage: CachedNetworkImageProvider(
+          "$homeAssistantWebHost${data.entity.entityPicture}",
+        ),
+      );
+    } else {
+      String iconName = data.icon;
+      int iconCode = 0;
+      if (iconName.length > 0) {
+        iconCode = MaterialDesignIcons.getIconCodeByIconName(iconName);
+      } else {
+        iconCode = getDefaultIconByEntityId(data.entity.entityId,
+            data.entity.deviceClass, data.entity.state); //
+      }
+      return Icon(
+        IconData(iconCode, fontFamily: 'Material Design Icons'),
+        size: size,
+        color: color,
+      );
+    }
+  }
+
   @override
   Widget build(BuildContext context) {
     final EntityWrapper entityWrapper = EntityModel.of(context).entityWrapper;
     return Padding(
       padding: padding,
-      child: MaterialDesignIcons.createIconWidgetFromEntityData(
+      child: buildIcon(
           entityWrapper,
-          iconSize,
-          EntityColor.stateColor(entityWrapper.entity.state)
+          color ?? EntityColor.stateColor(entityWrapper.entity.state)
       ),
     );
   }

lib/entity_widgets/glance_entity_container.dart

@@ -35,7 +35,7 @@ class GlanceEntityContainer extends StatelessWidget {
     result.add(
       EntityIcon(
         padding: EdgeInsets.all(0.0),
-        iconSize: iconSize,
+        size: iconSize,
       )
     );
     if (!nameInTheBottom) {

lib/mdi.class.dart

@@ -1,7 +1,7 @@
 part of 'main.dart';
 
 class MaterialDesignIcons {
-  static Map _defaultIconsByDomains = {
+  static final Map defaultIconsByDomains = {
     "light": "mdi:lightbulb",
     "switch": "mdi:flash",
     "binary_sensor": "mdi:checkbox-blank-circle-outline",
@@ -34,7 +34,7 @@ class MaterialDesignIcons {
     "alarm_control_panel" : "mdi:bell"
   };
 
-  static Map _defaultIconsByDeviceClass = {
+  static final Map defaultIconsByDeviceClass = {
     //"binary_sensor.battery": "mdi:", //TODO
     "binary_sensor.cold.on": "mdi:snowflake",
     "binary_sensor.cold.off": "mdi:thermometer",
@@ -92,7 +92,7 @@ class MaterialDesignIcons {
     "cover.window.closing": "mdi:window-open",
     "cover.window.opening": "mdi:window-open",
   };
-  static Map _iconsDataMap = {
+  static final Map iconsDataMap = {
     "mdi:access-point": 0xf002,
     "mdi:access-point-network": 0xf003,
     "mdi:account": 0xf004,
@@ -2890,7 +2890,7 @@ class MaterialDesignIcons {
     "mdi:blank": 0xf68c
   };
 
-  static Widget createIconWidgetFromEntityData(EntityWrapper data, double size, Color color) {
+  /*static Widget createIconWidgetFromEntityData(EntityWrapper data, double size, Color color) {
     if (data == null) {
       return null;
     }
@@ -2921,7 +2921,7 @@ class MaterialDesignIcons {
         color: color,
       );
     }
-  }
+  }*/
 
   static IconData createIconDataFromIconCode(int code) {
     return IconData(code, fontFamily: 'Material Design Icons');
@@ -2932,10 +2932,10 @@ class MaterialDesignIcons {
   }
 
   static int getIconCodeByIconName(String name) {
-    return _iconsDataMap[name] ?? 0;
+    return iconsDataMap[name] ?? 0;
   }
 
-  static int getDefaultIconByEntityId(String entityId, String deviceClass, String state) {
+  /*static int getDefaultIconByEntityId(String entityId, String deviceClass, String state) {
     String domain = entityId.split(".")[0];
     String iconNameByDomain = _defaultIconsByDomains["$domain.$state"] ?? _defaultIconsByDomains["$domain"];
     String iconNameByDeviceClass;
@@ -2948,6 +2948,6 @@ class MaterialDesignIcons {
     } else {
       return 0;
     }
-  }
+  }*/
 
 }

lib/ui_widgets/card_widget.dart

@@ -149,7 +149,7 @@ class CardWidget extends StatelessWidget {
           mainAxisAlignment: MainAxisAlignment.end,
           children: [
             EntityIcon(
-              iconSize: 50.0,
+              size: 50.0,
             ),
             Container(
               width: 26.0,