dom/html/ValidityState.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_dom_ValidityState_h
   8 #define mozilla_dom_ValidityState_h
   9
  10 #include "nsCOMPtr.h"
  11 #include "nsIConstraintValidation.h"
  12 #include "nsWrapperCache.h"
  13 #include "js/TypeDecls.h"
  14
  15 namespace mozilla {
  16 namespace dom {
  17
  18 class ValidityState final : public nsISupports, public nsWrapperCache {
  19   ~ValidityState() = default;
  20
  21  public:
  22   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
  23   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(ValidityState)
  24
  25   friend class ::nsIConstraintValidation;
  26
  27   nsIConstraintValidation* GetParentObject() const {
  28     return mConstraintValidation;
  29   }
  30
  31   virtual JSObject* WrapObject(JSContext* aCx,
  32                                JS::Handle<JSObject*> aGivenProto) override;
  33
  34   // Web IDL methods
  35   bool ValueMissing() const {
  36     return GetValidityState(
  37         nsIConstraintValidation::VALIDITY_STATE_VALUE_MISSING);
  38   }
  39   bool TypeMismatch() const {
  40     return GetValidityState(
  41         nsIConstraintValidation::VALIDITY_STATE_TYPE_MISMATCH);
  42   }
  43   bool PatternMismatch() const {
  44     return GetValidityState(
  45         nsIConstraintValidation::VALIDITY_STATE_PATTERN_MISMATCH);
  46   }
  47   bool TooLong() const {
  48     return GetValidityState(nsIConstraintValidation::VALIDITY_STATE_TOO_LONG);
  49   }
  50   bool TooShort() const {
  51     return GetValidityState(nsIConstraintValidation::VALIDITY_STATE_TOO_SHORT);
  52   }
  53   bool RangeUnderflow() const {
  54     return GetValidityState(
  55         nsIConstraintValidation::VALIDITY_STATE_RANGE_UNDERFLOW);
  56   }
  57   bool RangeOverflow() const {
  58     return GetValidityState(
  59         nsIConstraintValidation::VALIDITY_STATE_RANGE_OVERFLOW);
  60   }
  61   bool StepMismatch() const {
  62     return GetValidityState(
  63         nsIConstraintValidation::VALIDITY_STATE_STEP_MISMATCH);
  64   }
  65   bool BadInput() const {
  66     return GetValidityState(nsIConstraintValidation::VALIDITY_STATE_BAD_INPUT);
  67   }
  68   bool CustomError() const {
  69     return GetValidityState(
  70         nsIConstraintValidation::VALIDITY_STATE_CUSTOM_ERROR);
  71   }
  72   bool Valid() const {
  73     return !mConstraintValidation || mConstraintValidation->IsValid();
  74   }
  75
  76  protected:
  77   explicit ValidityState(nsIConstraintValidation* aConstraintValidation);
  78
  79   /**
  80    * Helper function to get a validity state from constraint validation
  81    * instance.
  82    */
  83   inline bool GetValidityState(
  84       nsIConstraintValidation::ValidityStateType aState) const {
  85     return mConstraintValidation &&
  86            mConstraintValidation->GetValidityState(aState);
  87   }
  88
  89   nsCOMPtr<nsIConstraintValidation> mConstraintValidation;
  90 };
  91
  92 }  // namespace dom
  93 }  // namespace mozilla
  94
  95 #endif  // mozilla_dom_ValidityState_h