gecko-dev/dom/html/ConstraintValidation.cpp

70 lines
3.0 KiB
C++

/* -*- 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"
#include "nsContentUtils.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) {
nsAutoString error(aError);
nsContentUtils::PlatformToDOMLineBreaks(error);
mCustomValidity.Assign(error);
SetValidityState(VALIDITY_STATE_CUSTOM_ERROR, !mCustomValidity.IsEmpty());
}
} // namespace mozilla::dom