add rpc status in sidebar menu

src/index.html

@@ -215,7 +215,7 @@
                     </ul>
                 </li>
                 <li data-href-match="/status">
-                    <a href="#/status"><i class="fa fa-server"></i> <span translate>Aria2 Status</span></a>
+                    <a href="#/status"><i class="fa fa-server"></i> <span translate>Aria2 Status</span> <span class="label pull-right" ng-if="globalStatusContext.isEnabled" ng-class="{'label-primary': taskContext.rpcStatus === 'Connecting', 'label-success': taskContext.rpcStatus === 'Connected', 'label-danger': taskContext.rpcStatus === 'Not Connected'}" ng-bind="taskContext.rpcStatus | translate"></span></a>
                 </li>
             </ul>
         </section>

src/scripts/core/root.js

@@ -70,6 +70,7 @@
         };
 
         $rootScope.taskContext = {
+            rpcStatus: 'Connecting',
             list: [],
             selected: {},
             enableSelectAll: false,
@@ -169,6 +170,14 @@
             });
         });
 
+        aria2TaskService.onConnectSuccess(function () {
+            $rootScope.taskContext.rpcStatus = 'Connected';
+        });
+
+        aria2TaskService.onConnectError(function () {
+            $rootScope.taskContext.rpcStatus = 'Not Connected';
+        });
+
         aria2TaskService.onTaskCompleted(function (event) {
             ariaNgNotificationService.notifyTaskComplete(event.task);
         });

src/scripts/services/aria2RpcService.js

@@ -7,6 +7,8 @@
         var secret = ariaNgSettingService.getSecret();
 
         var onFirstSuccessCallbacks = [];
+        var onConnectSuccessCallbacks = [];
+        var onConnectErrorCallbacks = [];
         var onDownloadStartCallbacks = [];
         var onDownloadPauseCallbacks = [];
         var onDownloadStopCallbacks = [];
@@ -65,13 +67,13 @@
             });
         };
 
-        var fireFirstSuccessEvent = function () {
-            if (!angular.isArray(onFirstSuccessCallbacks) || onFirstSuccessCallbacks.length < 1) {
+        var fireCustomEvent = function (callbacks) {
+            if (!angular.isArray(callbacks) || callbacks.length < 1) {
                 return;
             }
 
-            for (var i = 0; i < onFirstSuccessCallbacks.length; i++) {
-                var callback = onFirstSuccessCallbacks[i];
+            for (var i = 0; i < callbacks.length; i++) {
+                var callback = callbacks[i];
                 callback();
             }
         };
@@ -136,11 +138,6 @@
                 var innerContext = arguments[1];
 
                 context.successCallback = function (id, result) {
-                    if (!isConnected) {
-                        isConnected = true;
-                        fireFirstSuccessEvent();
-                    }
-
                     if (innerContext.callback) {
                         innerContext.callback({
                             id: id,
@@ -149,6 +146,13 @@
                             context: innerContext
                         });
                     }
+
+                    fireCustomEvent(onConnectSuccessCallbacks);
+
+                    if (!isConnected) {
+                        isConnected = true;
+                        fireCustomEvent(onFirstSuccessCallbacks);
+                    }
                 };
 
                 context.errorCallback = function (id, error) {
@@ -167,6 +171,8 @@
                             context: innerContext
                         });
                     }
+
+                    fireCustomEvent(onConnectErrorCallbacks);
                 };
             }
 
@@ -419,6 +425,12 @@
             onFirstSuccess: function (context) {
                 onFirstSuccessCallbacks.push(context.callback);
             },
+            onConnectSuccess: function (context) {
+                onConnectSuccessCallbacks.push(context.callback);
+            },
+            onConnectError: function (context) {
+                onConnectErrorCallbacks.push(context.callback);
+            },
             onDownloadStart: function (context) {
                 onDownloadStartCallbacks.push(context.callback);
             },

src/scripts/services/aria2TaskService.js

@@ -601,6 +601,27 @@
                     callback: callback
                 });
             },
+            onConnectSuccess: function (callback) {
+                if (!callback) {
+                    ariaNgLogService.warn('[aria2TaskService.onConnectSuccess] callback is null');
+                    return;
+                }
+
+                aria2RpcService.onConnectSuccess({
+                    callback: callback
+                });
+            },
+            onConnectError: function (callback) {
+                if (!callback) {
+                    ariaNgLogService.warn('[aria2TaskService.onConnectError] callback is null');
+                    return;
+                }
+
+                aria2RpcService.onConnectError({
+                    callback: callback
+                });
+
+            },
             onTaskCompleted: function (callback) {
                 if (!callback) {
                     ariaNgLogService.warn('[aria2TaskService.onTaskCompleted] callback is null');