dom/html/HTMLProgressElement.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_HTMLProgressElement_h
   8 #define mozilla_dom_HTMLProgressElement_h
   9
  10 #include "mozilla/Attributes.h"
  11 #include "nsGenericHTMLElement.h"
  12 #include "nsAttrValue.h"
  13 #include "nsAttrValueInlines.h"
  14 #include <algorithm>
  15
  16 namespace mozilla {
  17 namespace dom {
  18
  19 class HTMLProgressElement final : public nsGenericHTMLElement {
  20  public:
  21   explicit HTMLProgressElement(
  22       already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
  23
  24   EventStates IntrinsicState() const override;
  25
  26   nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
  27
  28   virtual bool ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute,
  29                               const nsAString& aValue,
  30                               nsIPrincipal* aMaybeScriptedPrincipal,
  31                               nsAttrValue& aResult) override;
  32
  33   // WebIDL
  34   double Value() const;
  35   void SetValue(double aValue, ErrorResult& aRv) {
  36     SetDoubleAttr(nsGkAtoms::value, aValue, aRv);
  37   }
  38   double Max() const;
  39   void SetMax(double aValue, ErrorResult& aRv) {
  40     SetDoubleAttr(nsGkAtoms::max, aValue, aRv);
  41   }
  42   double Position() const;
  43
  44  protected:
  45   virtual ~HTMLProgressElement();
  46
  47   virtual JSObject* WrapNode(JSContext* aCx,
  48                              JS::Handle<JSObject*> aGivenProto) override;
  49
  50  protected:
  51   /**
  52    * Returns whethem the progress element is in the indeterminate state.
  53    * A progress element is in the indeterminate state if its value is ommited
  54    * or is not a floating point number..
  55    *
  56    * @return whether the progress element is in the indeterminate state.
  57    */
  58   bool IsIndeterminate() const;
  59
  60   static const double kIndeterminatePosition;
  61   static const double kDefaultValue;
  62   static const double kDefaultMax;
  63 };
  64
  65 }  // namespace dom
  66 }  // namespace mozilla
  67
  68 #endif  // mozilla_dom_HTMLProgressElement_h