Fix Loading

js/id/connection.js

@@ -33,12 +33,15 @@ iD.Connection = function(context) {
     };
 
     function authLoading() {
-        loadingModal = iD.ui.loading(context.container(),
-            t('loading_auth'));
+        loadingModal = iD.ui.Loading(context)
+            .message(t('loading_auth'));
+
+        context.container()
+            .call(loadingModal);
     }
 
     function authDone() {
-        if (loadingModal) loadingModal.remove();
+        if (loadingModal) loadingModal.close();
     }
 
     function getNodes(obj) {

js/id/ui/loading.js

@@ -1,20 +1,44 @@
-iD.ui.loading = function(selection, message, blocking) {
-    var modal = iD.ui.modal(selection, blocking);
+iD.ui.Loading = function(context) {
+    var message = '',
+        blocking = false,
+        modal;
 
-    var loadertext = modal.select('.content')
-        .classed('loading-modal', true)
-        .append('div')
-        .attr('class', 'modal-section fillL');
+    var loading = function(selection) {
+        modal = iD.ui.modal(selection, blocking);
 
-    loadertext.append('img')
-        .attr('class', 'loader')
-        .attr('src', context.imagePath('loader-white.gif'));
+        var loadertext = modal.select('.content')
+            .classed('loading-modal', true)
+            .append('div')
+            .attr('class', 'modal-section fillL');
 
-    loadertext.append('h3')
-        .text(message || '');
+        loadertext.append('img')
+            .attr('class', 'loader')
+            .attr('src', context.imagePath('loader-white.gif'));
 
-    modal.select('button.close')
-        .attr('class', 'hide');
+        loadertext.append('h3')
+            .text(message);
 
-    return modal;
+        modal.select('button.close')
+            .attr('class', 'hide');
+
+        return loading;
+    };
+
+    loading.message = function(_) {
+        if (!arguments.length) return message;
+        message = _;
+        return loading;
+    };
+
+    loading.blocking = function(_) {
+        if (!arguments.length) return blocking;
+        blocking = _;
+        return loading;
+    };
+
+    loading.close = function() {
+        modal.remove();
+    };
+
+    return loading;
 };

js/id/ui/save.js

@@ -30,14 +30,19 @@ iD.ui.Save = function(context) {
         context.container().select('.shaded')
             .remove();
 
-        var loading = iD.ui.loading(context.container(), t('save.uploading'), true);
+        var loading = iD.ui.Loading(context)
+            .message(t('save.uploading'))
+            .blocking(true);
+
+        context.container()
+            .call(loading);
 
         connection.putChangeset(
             history.changes(),
             e.comment,
             history.imagery_used(),
             function(err, changeset_id) {
-                loading.remove();
+                loading.close();
                 if (err) {
                     var confirm = iD.ui.confirm(context.container());
                     confirm