/* -*- 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/. */ #include "mozilla/EventStates.h" #include "mozilla/dom/HTMLProgressElement.h" #include "mozilla/dom/HTMLProgressElementBinding.h" NS_IMPL_NS_NEW_HTML_ELEMENT(Progress) namespace mozilla { namespace dom { const double HTMLProgressElement::kIndeterminatePosition = -1.0; const double HTMLProgressElement::kDefaultValue = 0.0; const double HTMLProgressElement::kDefaultMax = 1.0; HTMLProgressElement::HTMLProgressElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo) : nsGenericHTMLElement(aNodeInfo) { // We start out indeterminate AddStatesSilently(NS_EVENT_STATE_INDETERMINATE); } HTMLProgressElement::~HTMLProgressElement() { } NS_IMPL_ELEMENT_CLONE(HTMLProgressElement) EventStates HTMLProgressElement::IntrinsicState() const { EventStates state = nsGenericHTMLElement::IntrinsicState(); if (IsIndeterminate()) { state |= NS_EVENT_STATE_INDETERMINATE; } return state; } bool HTMLProgressElement::ParseAttribute(int32_t aNamespaceID, nsIAtom* aAttribute, const nsAString& aValue, nsAttrValue& aResult) { if (aNamespaceID == kNameSpaceID_None) { if (aAttribute == nsGkAtoms::value || aAttribute == nsGkAtoms::max) { return aResult.ParseDoubleValue(aValue); } } return nsGenericHTMLElement::ParseAttribute(aNamespaceID, aAttribute, aValue, aResult); } double HTMLProgressElement::Value() const { const nsAttrValue* attrValue = mAttrsAndChildren.GetAttr(nsGkAtoms::value); if (!attrValue || attrValue->Type() != nsAttrValue::eDoubleValue || attrValue->GetDoubleValue() < 0.0) { return kDefaultValue; } return std::min(attrValue->GetDoubleValue(), Max()); } double HTMLProgressElement::Max() const { const nsAttrValue* attrMax = mAttrsAndChildren.GetAttr(nsGkAtoms::max); if (!attrMax || attrMax->Type() != nsAttrValue::eDoubleValue || attrMax->GetDoubleValue() <= 0.0) { return kDefaultMax; } return attrMax->GetDoubleValue(); } double HTMLProgressElement::Position() const { if (IsIndeterminate()) { return kIndeterminatePosition; } return Value() / Max(); } bool HTMLProgressElement::IsIndeterminate() const { const nsAttrValue* attrValue = mAttrsAndChildren.GetAttr(nsGkAtoms::value); return !attrValue || attrValue->Type() != nsAttrValue::eDoubleValue; } JSObject* HTMLProgressElement::WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) { return HTMLProgressElementBinding::Wrap(aCx, this, aGivenProto); } } // namespace dom } // namespace mozilla