1 files changed, 26 insertions, 0 deletions
diff --git a/dom/html/input/FileInputType.cpp b/dom/html/input/FileInputType.cpp
new file mode 100644
index 0000000000..ed14aaa48d
--- /dev/null
+++ b/dom/html/input/FileInputType.cpp
@@ -0,0 +1,26 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "mozilla/dom/FileInputType.h"
+
+#include "mozilla/dom/HTMLInputElement.h"
+
+using namespace mozilla;
+using namespace mozilla::dom;
+
+bool FileInputType::IsValueMissing() const {
+  if (!mInputElement->IsRequired()) {
+    return false;
+  }
+
+  return mInputElement->GetFilesOrDirectoriesInternal().IsEmpty();
+}
+
+nsresult FileInputType::GetValueMissingMessage(nsAString& aMessage) {
+  return nsContentUtils::GetMaybeLocalizedString(
+      nsContentUtils::eDOM_PROPERTIES, "FormValidationFileMissing",
+      mInputElement->OwnerDoc(), aMessage);
+}