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;
SetValue(double aValue,ErrorResult & aRv)35   void SetValue(double aValue, ErrorResult& aRv) {
36     SetDoubleAttr(nsGkAtoms::value, aValue, aRv);
37   }
38   double Max() const;
SetMax(double aValue,ErrorResult & aRv)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
69