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-rw-r--r--dom/html/ConstraintValidation.cpp66
1 files changed, 66 insertions, 0 deletions
diff --git a/dom/html/ConstraintValidation.cpp b/dom/html/ConstraintValidation.cpp
new file mode 100644
index 0000000000..1d256a3092
--- /dev/null
+++ b/dom/html/ConstraintValidation.cpp
@@ -0,0 +1,66 @@
+/* -*- 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 "ConstraintValidation.h"
+
+#include "mozilla/ErrorResult.h"
+#include "nsAString.h"
+#include "nsIContent.h"
+
+namespace mozilla::dom {
+
+void ConstraintValidation::GetValidationMessage(nsAString& aValidationMessage,
+ ErrorResult& aError) {
+ aValidationMessage.Truncate();
+
+ if (IsCandidateForConstraintValidation() && !IsValid()) {
+ if (GetValidityState(VALIDITY_STATE_CUSTOM_ERROR)) {
+ aValidationMessage.Assign(mCustomValidity);
+ if (aValidationMessage.Length() > sContentSpecifiedMaxLengthMessage) {
+ aValidationMessage.Truncate(sContentSpecifiedMaxLengthMessage);
+ }
+ } else if (GetValidityState(VALIDITY_STATE_TOO_LONG)) {
+ GetValidationMessage(aValidationMessage, VALIDITY_STATE_TOO_LONG);
+ } else if (GetValidityState(VALIDITY_STATE_TOO_SHORT)) {
+ GetValidationMessage(aValidationMessage, VALIDITY_STATE_TOO_SHORT);
+ } else if (GetValidityState(VALIDITY_STATE_VALUE_MISSING)) {
+ GetValidationMessage(aValidationMessage, VALIDITY_STATE_VALUE_MISSING);
+ } else if (GetValidityState(VALIDITY_STATE_TYPE_MISMATCH)) {
+ GetValidationMessage(aValidationMessage, VALIDITY_STATE_TYPE_MISMATCH);
+ } else if (GetValidityState(VALIDITY_STATE_PATTERN_MISMATCH)) {
+ GetValidationMessage(aValidationMessage, VALIDITY_STATE_PATTERN_MISMATCH);
+ } else if (GetValidityState(VALIDITY_STATE_RANGE_OVERFLOW)) {
+ GetValidationMessage(aValidationMessage, VALIDITY_STATE_RANGE_OVERFLOW);
+ } else if (GetValidityState(VALIDITY_STATE_RANGE_UNDERFLOW)) {
+ GetValidationMessage(aValidationMessage, VALIDITY_STATE_RANGE_UNDERFLOW);
+ } else if (GetValidityState(VALIDITY_STATE_STEP_MISMATCH)) {
+ GetValidationMessage(aValidationMessage, VALIDITY_STATE_STEP_MISMATCH);
+ } else if (GetValidityState(VALIDITY_STATE_BAD_INPUT)) {
+ GetValidationMessage(aValidationMessage, VALIDITY_STATE_BAD_INPUT);
+ } else {
+ // There should not be other validity states.
+ aError.Throw(NS_ERROR_UNEXPECTED);
+ return;
+ }
+ } else {
+ aValidationMessage.Truncate();
+ }
+}
+
+bool ConstraintValidation::CheckValidity() {
+ nsCOMPtr<nsIContent> content = do_QueryInterface(this);
+ MOZ_ASSERT(content, "This class should be inherited by HTML elements only!");
+ return nsIConstraintValidation::CheckValidity(*content);
+}
+
+ConstraintValidation::ConstraintValidation() = default;
+
+void ConstraintValidation::SetCustomValidity(const nsAString& aError) {
+ mCustomValidity.Assign(aError);
+ SetValidityState(VALIDITY_STATE_CUSTOM_ERROR, !mCustomValidity.IsEmpty());
+}
+
+} // namespace mozilla::dom