1 files changed, 101 insertions, 0 deletions
diff --git a/dom/html/HTMLMeterElement.h b/dom/html/HTMLMeterElement.h
new file mode 100644
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+++ b/dom/html/HTMLMeterElement.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_HTMLMeterElement_h
+#define mozilla_dom_HTMLMeterElement_h
+
+#include "mozilla/Attributes.h"
+#include "nsGenericHTMLElement.h"
+#include "nsAttrValue.h"
+#include "nsAttrValueInlines.h"
+#include "nsAlgorithm.h"
+#include <algorithm>
+
+namespace mozilla {
+namespace dom {
+
+class HTMLMeterElement final : public nsGenericHTMLElement
+{
+public:
+  explicit HTMLMeterElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo);
+
+  virtual EventStates IntrinsicState() const override;
+
+  nsresult Clone(mozilla::dom::NodeInfo* aNodeInfo, nsINode** aResult) const override;
+
+  bool ParseAttribute(int32_t aNamespaceID, nsIAtom* aAttribute,
+                      const nsAString& aValue, nsAttrValue& aResult) override;
+
+  // WebIDL
+
+  /* @return the value */
+  double Value() const;
+  void SetValue(double aValue, ErrorResult& aRv)
+  {
+    SetDoubleAttr(nsGkAtoms::value, aValue, aRv);
+  }
+
+  /* @return the minimum value */
+  double Min() const;
+  void SetMin(double aValue, ErrorResult& aRv)
+  {
+    SetDoubleAttr(nsGkAtoms::min, aValue, aRv);
+  }
+
+  /* @return the maximum value */
+  double Max() const;
+  void SetMax(double aValue, ErrorResult& aRv)
+  {
+    SetDoubleAttr(nsGkAtoms::max, aValue, aRv);
+  }
+
+  /* @return the low value */
+  double Low() const;
+  void SetLow(double aValue, ErrorResult& aRv)
+  {
+    SetDoubleAttr(nsGkAtoms::low, aValue, aRv);
+  }
+
+  /* @return the high value */
+  double High() const;
+  void SetHigh(double aValue, ErrorResult& aRv)
+  {
+    SetDoubleAttr(nsGkAtoms::high, aValue, aRv);
+  }
+
+  /* @return the optimum value */
+  double Optimum() const;
+  void SetOptimum(double aValue, ErrorResult& aRv)
+  {
+    SetDoubleAttr(nsGkAtoms::optimum, aValue, aRv);
+  }
+
+protected:
+  virtual ~HTMLMeterElement();
+
+  virtual JSObject* WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
+
+private:
+
+  static const double kDefaultValue;
+  static const double kDefaultMin;
+  static const double kDefaultMax;
+
+  /**
+   * Returns the optimum state of the element.
+   * NS_EVENT_STATE_OPTIMUM if the actual value is in the optimum region.
+   * NS_EVENT_STATE_SUB_OPTIMUM if the actual value is in the sub-optimal region.
+   * NS_EVENT_STATE_SUB_SUB_OPTIMUM if the actual value is in the sub-sub-optimal region.
+   *
+   * @return the optimum state of the element.
+   */
+  EventStates GetOptimumState() const;
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif // mozilla_dom_HTMLMeterElement_h