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::dom {
  16
  17 class ValidityState final : public nsISupports, public nsWrapperCache {
  18   ~ValidityState() = default;
  19
  20  public:
  21   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
  22   NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(ValidityState)
  23
  24   friend class ::nsIConstraintValidation;
  25
  26   nsIConstraintValidation* GetParentObject() const {
  27     return mConstraintValidation;
  28   }
  29
  30   virtual JSObject* WrapObject(JSContext* aCx,
  31                                JS::Handle<JSObject*> aGivenProto) override;
  32
  33   // Web IDL methods
  34   bool ValueMissing() const {
  35     return GetValidityState(
  36         nsIConstraintValidation::VALIDITY_STATE_VALUE_MISSING);
  37   }
  38   bool TypeMismatch() const {
  39     return GetValidityState(
  40         nsIConstraintValidation::VALIDITY_STATE_TYPE_MISMATCH);
  41   }
  42   bool PatternMismatch() const {
  43     return GetValidityState(
  44         nsIConstraintValidation::VALIDITY_STATE_PATTERN_MISMATCH);
  45   }
  46   bool TooLong() const {
  47     return GetValidityState(nsIConstraintValidation::VALIDITY_STATE_TOO_LONG);
  48   }
  49   bool TooShort() const {
  50     return GetValidityState(nsIConstraintValidation::VALIDITY_STATE_TOO_SHORT);
  51   }
  52   bool RangeUnderflow() const {
  53     return GetValidityState(
  54         nsIConstraintValidation::VALIDITY_STATE_RANGE_UNDERFLOW);
  55   }
  56   bool RangeOverflow() const {
  57     return GetValidityState(
  58         nsIConstraintValidation::VALIDITY_STATE_RANGE_OVERFLOW);
  59   }
  60   bool StepMismatch() const {
  61     return GetValidityState(
  62         nsIConstraintValidation::VALIDITY_STATE_STEP_MISMATCH);
  63   }
  64   bool BadInput() const {
  65     return GetValidityState(nsIConstraintValidation::VALIDITY_STATE_BAD_INPUT);
  66   }
  67   bool CustomError() const {
  68     return GetValidityState(
  69         nsIConstraintValidation::VALIDITY_STATE_CUSTOM_ERROR);
  70   }
  71   bool Valid() const {
  72     return !mConstraintValidation || mConstraintValidation->IsValid();
  73   }
  74
  75  protected:
  76   explicit ValidityState(nsIConstraintValidation* aConstraintValidation);
  77
  78   /**
  79    * Helper function to get a validity state from constraint validation
  80    * instance.
  81    */
  82   inline bool GetValidityState(
  83       nsIConstraintValidation::ValidityStateType aState) const {
  84     return mConstraintValidation &&
  85            mConstraintValidation->GetValidityState(aState);
  86   }
  87
  88   nsCOMPtr<nsIConstraintValidation> mConstraintValidation;
  89 };
  90
  91 }  // namespace mozilla::dom
  92
  93 #endif  // mozilla_dom_ValidityState_h