changed autofocus to only applied when non-modal.

dialog-polyfill.js

@@ -74,35 +74,38 @@ var dialogPolyfill = (function() {
     this.open = true;
     this.setAttribute('open', 'open');
 
-    // Find element with `autofocus` attribute or first form control
-    var first_form_ctrl = null;
-    var autofocus = null;
-    var findElementToFocus = function(root) {
-      for (var i = 0; i < root.children.length; i++) {
-        var elem = root.children[i];
-        if (first_form_ctrl === null && !elem.disabled && (
-            elem.nodeName == 'BUTTON' ||
-            elem.nodeName == 'INPUT'  ||
-            elem.nodeName == 'KEYGEN' ||
-            elem.nodeName == 'SELECT' ||
-            elem.nodeName == 'TEXTAREA')) {
-          first_form_ctrl = elem;
+    // autofocus only when modal
+    if (isModal) {
+      // Find element with `autofocus` attribute or first form control
+      var first_form_ctrl = null;
+      var autofocus = null;
+      var findElementToFocus = function(root) {
+        for (var i = 0; i < root.children.length; i++) {
+          var elem = root.children[i];
+          if (first_form_ctrl === null && !elem.disabled && (
+              elem.nodeName == 'BUTTON' ||
+              elem.nodeName == 'INPUT'  ||
+              elem.nodeName == 'KEYGEN' ||
+              elem.nodeName == 'SELECT' ||
+              elem.nodeName == 'TEXTAREA')) {
+            first_form_ctrl = elem;
+          }
+          if (elem.autofocus) {
+            autofocus = elem;
+            return;
+          }
+          findElementToFocus(elem);
+          if (autofocus !== null) return;
         }
-        if (elem.autofocus) {
-          autofocus = elem;
-          return;
-        }
-        findElementToFocus(elem);
-        if (autofocus !== null) return;
+      };
+
+      findElementToFocus(this);
+
+      if (autofocus !== null) {
+        autofocus.focus();
+      } else if (first_form_ctrl !== null) {
+        first_form_ctrl.focus();
       }
-    };
-
-    findElementToFocus(this);
-
-    if (autofocus !== null) {
-      autofocus.focus();
-    } else if (first_form_ctrl !== null) {
-      first_form_ctrl.focus();
     }
 
     if (dialogPolyfill.needsCentering(this))