зеркало из https://github.com/mozilla/gecko-dev.git
120 строки
3.5 KiB
C++
120 строки
3.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsIConstraintValidition_h___
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#define nsIConstraintValidition_h___
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#include "nsISupports.h"
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#include "nsString.h"
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namespace mozilla {
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class ErrorResult;
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namespace dom {
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class ValidityState;
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} // namespace dom
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} // namespace mozilla
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#define NS_ICONSTRAINTVALIDATION_IID \
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{ \
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0x983829da, 0x1aaf, 0x449c, { \
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0xa3, 0x06, 0x85, 0xd4, 0xf0, 0x31, 0x1c, 0xf6 \
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} \
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}
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/**
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* This interface is for form elements implementing the validity constraint API.
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* See: http://dev.w3.org/html5/spec/forms.html#the-constraint-validation-api
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*
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* This interface has to be implemented by all elements implementing the API
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* and only them.
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*/
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class nsIConstraintValidation : public nsISupports {
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public:
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NS_DECLARE_STATIC_IID_ACCESSOR(NS_ICONSTRAINTVALIDATION_IID);
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friend class mozilla::dom::ValidityState;
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static const uint16_t sContentSpecifiedMaxLengthMessage;
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virtual ~nsIConstraintValidation();
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bool IsValid() const { return mValidityBitField == 0; }
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bool IsCandidateForConstraintValidation() const {
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return !mBarredFromConstraintValidation;
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}
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void GetValidationMessage(nsAString& aValidationMessage,
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mozilla::ErrorResult& aError);
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enum ValidityStateType {
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VALIDITY_STATE_VALUE_MISSING = 0x1 << 0,
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VALIDITY_STATE_TYPE_MISMATCH = 0x1 << 1,
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VALIDITY_STATE_PATTERN_MISMATCH = 0x1 << 2,
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VALIDITY_STATE_TOO_LONG = 0x1 << 3,
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VALIDITY_STATE_TOO_SHORT = 0x1 << 4,
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VALIDITY_STATE_RANGE_UNDERFLOW = 0x1 << 5,
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VALIDITY_STATE_RANGE_OVERFLOW = 0x1 << 6,
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VALIDITY_STATE_STEP_MISMATCH = 0x1 << 7,
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VALIDITY_STATE_BAD_INPUT = 0x1 << 8,
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VALIDITY_STATE_CUSTOM_ERROR = 0x1 << 9,
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};
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void SetValidityState(ValidityStateType aState, bool aValue);
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// Web IDL binding methods
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bool WillValidate() const { return IsCandidateForConstraintValidation(); }
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mozilla::dom::ValidityState* Validity();
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bool CheckValidity();
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bool ReportValidity();
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protected:
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// You can't instantiate an object from that class.
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nsIConstraintValidation();
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nsresult CheckValidity(bool* aValidity);
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void SetCustomValidity(const nsAString& aError);
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bool GetValidityState(ValidityStateType aState) const {
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return mValidityBitField & aState;
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}
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void SetBarredFromConstraintValidation(bool aBarred);
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virtual nsresult GetValidationMessage(nsAString& aValidationMessage,
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ValidityStateType aType) {
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return NS_OK;
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}
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protected:
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/**
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* A pointer to the ValidityState object.
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*/
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RefPtr<mozilla::dom::ValidityState> mValidity;
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private:
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/**
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* A bitfield representing the current validity state of the element.
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* Each bit represent an error. All bits to zero means the element is valid.
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*/
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int16_t mValidityBitField;
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/**
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* Keeps track whether the element is barred from constraint validation.
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*/
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bool mBarredFromConstraintValidation;
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/**
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* The string representing the custom error.
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*/
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nsString mCustomValidity;
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};
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NS_DEFINE_STATIC_IID_ACCESSOR(nsIConstraintValidation,
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NS_ICONSTRAINTVALIDATION_IID)
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#endif // nsIConstraintValidation_h___
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