Fix alternative speed limits toggle behavior

src/webui/btjson.cpp

@@ -146,6 +146,7 @@ static const char KEY_TRANSFER_CONNECTION_STATUS[] = "connection_status";
 
 // Sync main data keys
 static const char KEY_SYNC_MAINDATA_QUEUEING[] = "queueing";
+static const char KEY_SYNC_MAINDATA_USE_ALT_SPEED_LIMITS[] = "use_alt_speed_limits";
 
 static const char KEY_FULL_UPDATE[] = "full_update";
 static const char KEY_RESPONSE_ID[] = "rid";
@@ -333,6 +334,7 @@ QByteArray btjson::getSyncMainData(int acceptedResponseId, QVariantMap &lastData
 
     QVariantMap serverState = getTranserInfoMap();
     serverState[KEY_SYNC_MAINDATA_QUEUEING] = QBtSession::instance()->isQueueingEnabled();
+    serverState[KEY_SYNC_MAINDATA_USE_ALT_SPEED_LIMITS] = Preferences::instance()->isAltBandwidthEnabled();
     data["server_state"] = serverState;
 
     return json::toJson(generateSyncData(acceptedResponseId, data, lastAcceptedData, lastData));

src/webui/www/public/scripts/client.js

@@ -222,6 +222,11 @@ window.addEvent('load', function () {
                 $('queueingMenuItems').addClass('invisible');
             }
         }
+
+        if (alternativeSpeedLimits != serverState.use_alt_speed_limits) {
+            alternativeSpeedLimits = serverState.use_alt_speed_limits;
+            updateAltSpeedIcon(alternativeSpeedLimits);
+        }
     };
 
     var updateAltSpeedIcon = function(enabled) {
@@ -231,16 +236,6 @@ window.addEvent('load', function () {
             $('alternativeSpeedLimits').src = "images/slow_off.png"
     }
 
-    // Determine whether the alternative speed limits are enabled or not
-    new Request({url: 'command/alternativeSpeedLimitsEnabled',
-            method: 'get',
-            onSuccess : function (isEnabled) {
-                alternativeSpeedLimits = !!parseInt(isEnabled);
-                if (alternativeSpeedLimits)
-                    $('alternativeSpeedLimits').src = "images/slow.png"
-            }
-    }).send();
-
     $('alternativeSpeedLimits').addEvent('click', function() {
         // Change icon immediately to give some feedback
         updateAltSpeedIcon(!alternativeSpeedLimits);