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/* -*- 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/. */
#ifndef nsIConstraintValidition_h___
#define nsIConstraintValidition_h___
#include "nsISupports.h"
class nsIContent;
namespace mozilla::dom {
class ValidityState;
} // namespace mozilla::dom
#define NS_ICONSTRAINTVALIDATION_IID \
{ \
0x983829da, 0x1aaf, 0x449c, { \
0xa3, 0x06, 0x85, 0xd4, 0xf0, 0x31, 0x1c, 0xf6 \
} \
}
/**
* This interface is for form elements implementing the validity constraint API.
* See: http://dev.w3.org/html5/spec/forms.html#the-constraint-validation-api
*
* This interface has to be implemented by all elements implementing the API
* and only them.
*/
class nsIConstraintValidation : public nsISupports {
public:
NS_DECLARE_STATIC_IID_ACCESSOR(NS_ICONSTRAINTVALIDATION_IID);
friend class mozilla::dom::ValidityState;
static const uint16_t sContentSpecifiedMaxLengthMessage;
virtual ~nsIConstraintValidation();
bool IsValid() const { return mValidityBitField == 0; }
bool IsCandidateForConstraintValidation() const {
return !mBarredFromConstraintValidation;
}
enum ValidityStateType {
VALIDITY_STATE_VALUE_MISSING = 0x1 << 0,
VALIDITY_STATE_TYPE_MISMATCH = 0x1 << 1,
VALIDITY_STATE_PATTERN_MISMATCH = 0x1 << 2,
VALIDITY_STATE_TOO_LONG = 0x1 << 3,
VALIDITY_STATE_TOO_SHORT = 0x1 << 4,
VALIDITY_STATE_RANGE_UNDERFLOW = 0x1 << 5,
VALIDITY_STATE_RANGE_OVERFLOW = 0x1 << 6,
VALIDITY_STATE_STEP_MISMATCH = 0x1 << 7,
VALIDITY_STATE_BAD_INPUT = 0x1 << 8,
VALIDITY_STATE_CUSTOM_ERROR = 0x1 << 9,
};
void SetValidityState(ValidityStateType aState, bool aValue);
/**
* Check the validity of this object. If it is not valid, file a "invalid"
* event on the aEventTarget.
*
* @param aEventTarget The target of the event.
* @param aDefaultAction Set to true if default action should be taken,
* see EventTarget::DispatchEvent.
* @return whether it's valid.
*/
bool CheckValidity(nsIContent& aEventTarget,
bool* aEventDefaultAction = nullptr) const;
// Web IDL binding methods
bool WillValidate() const { return IsCandidateForConstraintValidation(); }
mozilla::dom::ValidityState* Validity();
bool ReportValidity();
protected:
// You can't instantiate an object from that class.
nsIConstraintValidation();
bool GetValidityState(ValidityStateType aState) const {
return mValidityBitField & aState;
}
void SetBarredFromConstraintValidation(bool aBarred);
/**
* A pointer to the ValidityState object.
*/
RefPtr<mozilla::dom::ValidityState> mValidity;
private:
/**
* A bitfield representing the current validity state of the element.
* Each bit represent an error. All bits to zero means the element is valid.
*/
int16_t mValidityBitField;
/**
* Keeps track whether the element is barred from constraint validation.
*/
bool mBarredFromConstraintValidation;
};
NS_DEFINE_STATIC_IID_ACCESSOR(nsIConstraintValidation,
NS_ICONSTRAINTVALIDATION_IID)
#endif // nsIConstraintValidation_h___
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