HTMLMeterElement.h (3055B)
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_HTMLMeterElement_h 8 #define mozilla_dom_HTMLMeterElement_h 9 10 #include "nsAttrValue.h" 11 #include "nsAttrValueInlines.h" 12 #include "nsGenericHTMLElement.h" 13 14 namespace mozilla::dom { 15 16 class HTMLMeterElement final : public nsGenericHTMLElement { 17 public: 18 explicit HTMLMeterElement( 19 already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo); 20 21 nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override; 22 23 bool ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute, 24 const nsAString& aValue, 25 nsIPrincipal* aMaybeScriptedPrincipal, 26 nsAttrValue& aResult) override; 27 void AfterSetAttr(int32_t aNameSpaceID, nsAtom* aName, 28 const nsAttrValue* aValue, const nsAttrValue* aOldValue, 29 nsIPrincipal* aSubjectPrincipal, bool aNotify) override; 30 31 // WebIDL 32 33 /* @return the value */ 34 double Value() const; 35 /* Returns the percentage that this element should be filed based on the 36 * min/max/value */ 37 double Position() const; 38 void SetValue(double aValue, ErrorResult& aRv) { 39 SetDoubleAttr(nsGkAtoms::value, aValue, aRv); 40 } 41 42 /* @return the minimum value */ 43 double Min() const; 44 void SetMin(double aValue, ErrorResult& aRv) { 45 SetDoubleAttr(nsGkAtoms::min, aValue, aRv); 46 } 47 48 /* @return the maximum value */ 49 double Max() const; 50 void SetMax(double aValue, ErrorResult& aRv) { 51 SetDoubleAttr(nsGkAtoms::max, aValue, aRv); 52 } 53 54 /* @return the low value */ 55 double Low() const; 56 void SetLow(double aValue, ErrorResult& aRv) { 57 SetDoubleAttr(nsGkAtoms::low, aValue, aRv); 58 } 59 60 /* @return the high value */ 61 double High() const; 62 void SetHigh(double aValue, ErrorResult& aRv) { 63 SetDoubleAttr(nsGkAtoms::high, aValue, aRv); 64 } 65 66 /* @return the optimum value */ 67 double Optimum() const; 68 void SetOptimum(double aValue, ErrorResult& aRv) { 69 SetDoubleAttr(nsGkAtoms::optimum, aValue, aRv); 70 } 71 72 NS_IMPL_FROMNODE_HTML_WITH_TAG(HTMLMeterElement, meter); 73 74 protected: 75 virtual ~HTMLMeterElement(); 76 77 JSObject* WrapNode(JSContext*, JS::Handle<JSObject*> aGivenProto) override; 78 79 private: 80 /** 81 * Returns the optimum state of the element. 82 * ElementState::OPTIMUM if the actual value is in the optimum region. 83 * ElementState::SUB_OPTIMUM if the actual value is in the sub-optimal 84 * region. 85 * ElementState::SUB_SUB_OPTIMUM if the actual value is in the 86 * sub-sub-optimal region. 87 * 88 * @return the optimum state of the element. 89 */ 90 ElementState GetOptimumState() const; 91 void UpdateOptimumState(bool aNotify); 92 }; 93 94 } // namespace mozilla::dom 95 96 #endif // mozilla_dom_HTMLMeterElement_h