summaryrefslogtreecommitdiffstats
path: root/dom/html/HTMLProgressElement.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'dom/html/HTMLProgressElement.cpp')
-rw-r--r--dom/html/HTMLProgressElement.cpp109
1 files changed, 109 insertions, 0 deletions
diff --git a/dom/html/HTMLProgressElement.cpp b/dom/html/HTMLProgressElement.cpp
new file mode 100644
index 000000000..fc1926ee5
--- /dev/null
+++ b/dom/html/HTMLProgressElement.cpp
@@ -0,0 +1,109 @@
+/* -*- 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