1 files changed, 15 insertions, 0 deletions
diff --git a/js/upload.js b/js/upload.js
index 354cee2..b1d2e2e 100644
--- a/js/upload.js
+++ b/js/upload.js
@@ -1,12 +1,21 @@
 var upload = (function(){
   var el = document.getElementById("upload_input")
+  var button = document.getElementById("upload_button")
+  var uploading = false
   
   function upload(uri, filename, tag){
+    if (uploading) return
     filename = filename || get_filename()
     uri = (uri && ! uri.target) ? uri : lastGif
     tag = tag || "shader"
 
     var blob = dataUriToBlob(uri)
+    
+    button.value = "uploading..."
+    button.className = "uploading"
+    
+    uploading = true
+    
     uploadImage({
       blob: blob,
       filename: filename,
@@ -22,10 +31,16 @@ var upload = (function(){
         el.style.display = "block"
         el.value = data.url
         el.focus()
+        button.value = "upload"
+        button.className = ""
+        uploading = false
       },
       error: function(data){
         console.log(data)
         console.log("error uploading: " + data.error)
+        button.value = "upload"
+        button.className = ""
+        uploading = false
       }
     });
   }