From ca3aa5eabbb8440631ad8611bcb11e1e47e418a5 Mon Sep 17 00:00:00 2001
From: john gravois <jgravois@esri.com>
Date: Thu, 13 Nov 2014 09:32:19 -0800
Subject: [PATCH] only add logo control to map once

remove blank line

make private
---
 src/Controls/Logo.js       |  2 +-
 src/Layers/BasemapLayer.js | 10 ++++++----
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/src/Controls/Logo.js b/src/Controls/Logo.js
index f3da2b8df..5d751890f 100644
--- a/src/Controls/Logo.js
+++ b/src/Controls/Logo.js
@@ -12,7 +12,7 @@ EsriLeaflet.Controls.Logo = L.Control.extend({
     div.style.marginLeft = this.options.marginLeft;
     div.style.marginBottom = this.options.marginBottom;
     div.style.marginRight = this.options.marginRight;
-    div.innerHTML = '<a href="https://developers.arcgis.com" style="border: none;"><img src="https://js.arcgis.com/3.10/js/esri/images/map/logo-med.png" style="border: none;"></a>';
+    div.innerHTML = '<a href="https://developers.arcgis.com" style="border: none;"><img src="https://js.arcgis.com/3.11/esri/images/map/logo-med.png" style="border: none;"></a>';
     return div;
   }
 });
diff --git a/src/Layers/BasemapLayer.js b/src/Layers/BasemapLayer.js
index a653c6072..7b6f56c17 100644
--- a/src/Layers/BasemapLayer.js
+++ b/src/Layers/BasemapLayer.js
@@ -208,12 +208,14 @@
       if(config.attributionUrl){
         this._getAttributionData(config.attributionUrl);
       }
+      this._logo = new EsriLeaflet.Controls.Logo({
+        position: this.options.logoPosition
+      });
     },
     onAdd: function(map){
-      if(!this.options.hideLogo){
-        this._logo = new EsriLeaflet.Controls.Logo({
-          position: this.options.logoPosition
-        }).addTo(map);
+      if(!this.options.hideLogo && !map._hasEsriLogo){
+        this._logo.addTo(map);
+        map._hasEsriLogo = true;
       }
 
       // if(this.options.pane && EsriLeaflet.Support.pointerEvents){