Resolves #183 Service call support for glance card

lib/entity_class/entity_wrapper.class.dart

@@ -6,6 +6,8 @@ class EntityWrapper {
   String icon;
   String tapAction;
   String holdAction;
+  String actionService;
+  Map<String, dynamic> actionServiceData;
   Entity entity;
 
 
@@ -14,7 +16,9 @@ class EntityWrapper {
     String icon,
     String displayName,
     this.tapAction: EntityTapAction.moreInfo,
-    this.holdAction
+    this.holdAction,
+    this.actionService,
+    this.actionServiceData
   }) {
     this.icon = icon ?? entity.icon;
     this.displayName = displayName ?? entity.displayName;

lib/entity_widgets/entity_icon.dart

@@ -20,19 +20,44 @@ class EntityIcon extends StatelessWidget {
             EntityColor.stateColor(entityModel.entityWrapper.entity.state)
         ),
       ),
-      onTap: () {
+      onLongPress: () {
         if (entityModel.handleTap) {
-          switch (entityModel.entityWrapper.tapAction) {
+          switch (entityModel.entityWrapper.holdAction) {
-            case EntityTapAction.moreInfo: {
+            case EntityTapAction.toggle: {
+              eventBus.fire(
+                  ServiceCallEvent("homeassistant", "toggle", entityModel.entityWrapper.entity.entityId, null));
+              break;
+            }
+
+            default: {
               eventBus.fire(
                   new ShowEntityPageEvent(entityModel.entityWrapper.entity));
               break;
             }
+          }
+
+        }
+      },
+      onTap: () {
+        if (entityModel.handleTap) {
+          switch (entityModel.entityWrapper.tapAction) {
             case EntityTapAction.toggle: {
               eventBus.fire(
                   ServiceCallEvent("homeassistant", "toggle", entityModel.entityWrapper.entity.entityId, null));
               break;
             }
+
+            case EntityTapAction.callService: {
+              eventBus.fire(
+                  ServiceCallEvent(entityModel.entityWrapper.actionService.split(".")[0], entityModel.entityWrapper.actionService.split(".")[1], null, entityModel.entityWrapper.actionServiceData));
+              break;
+            }
+
+            default: {
+              eventBus.fire(
+                  new ShowEntityPageEvent(entityModel.entityWrapper.entity));
+              break;
+            }
           }
 
         }

lib/home_assistant.class.dart

@@ -327,9 +327,11 @@ class HomeAssistant {
 
   Future callService(String domain, String service, String entityId, Map<String, dynamic> additionalParams) {
     _incrementMessageId();
-    String message = '{"id": $_currentMessageId, "type": "call_service", "domain": "$domain", "service": "$service", "service_data": {"entity_id": "$entityId"';
+    String message = "";
+    if (entityId != null) {
+      message = '{"id": $_currentMessageId, "type": "call_service", "domain": "$domain", "service": "$service", "service_data": {"entity_id": "$entityId"';
       if (additionalParams != null) {
-      additionalParams.forEach((name, value){
+        additionalParams.forEach((name, value) {
           if ((value is double) || (value is int) || (value is List)) {
             message += ', "$name" : $value';
           } else {
@@ -338,6 +340,27 @@ class HomeAssistant {
         });
       }
       message += '}}';
+    } else {
+      message = '{"id": $_currentMessageId, "type": "call_service", "domain": "$domain", "service": "$service"';
+      if (additionalParams != null && additionalParams.isNotEmpty) {
+        message += ', "service_data": {';
+        bool first = true;
+        additionalParams.forEach((name, value) {
+          if (!first) {
+            message += ', ';
+          }
+          if ((value is double) || (value is int) || (value is List)) {
+            message += '"$name" : $value';
+          } else {
+            message += '"$name" : "$value"';
+          }
+          first = false;
+        });
+
+        message += '}';
+      }
+      message += '}';
+    }
     return _sendMessageRaw(message, true);
   }
 
@@ -423,13 +446,16 @@ class HomeAssistant {
             }
           } else {
             if (entities.isExist(rawEntity["entity"])) {
+              Entity e = entities.get(rawEntity["entity"]);
               card.entities.add(
                   EntityWrapper(
-                    entity: entities.get(rawEntity["entity"]),
+                    entity: e,
                     displayName: rawEntity["name"],
                     icon: rawEntity["icon"],
                     tapAction: rawEntity["tap_action"] ?? EntityTapAction.moreInfo,
-                    holdAction: rawEntity["hold_action"] ?? EntityTapAction.moreInfo
+                    holdAction: rawEntity["hold_action"] ?? EntityTapAction.moreInfo,
+                    actionService: rawEntity["service"],
+                    actionServiceData: rawEntity["service_data"] ?? {"entity_id": e.entityId}
                   )
               );
             }