1 files changed, 101 insertions, 0 deletions
diff --git a/dom/html/HTMLPreElement.cpp b/dom/html/HTMLPreElement.cpp
new file mode 100644
index 000000000..36a1bc657
--- /dev/null
+++ b/dom/html/HTMLPreElement.cpp
@@ -0,0 +1,101 @@
+/* -*- 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/dom/HTMLPreElement.h"
+#include "mozilla/dom/HTMLPreElementBinding.h"
+
+#include "nsAttrValueInlines.h"
+#include "nsGkAtoms.h"
+#include "nsStyleConsts.h"
+#include "nsMappedAttributes.h"
+#include "nsRuleData.h"
+
+NS_IMPL_NS_NEW_HTML_ELEMENT(Pre)
+
+namespace mozilla {
+namespace dom {
+
+HTMLPreElement::~HTMLPreElement()
+{
+}
+
+NS_IMPL_ISUPPORTS_INHERITED(HTMLPreElement, nsGenericHTMLElement,
+                            nsIDOMHTMLPreElement)
+
+NS_IMPL_ELEMENT_CLONE(HTMLPreElement)
+
+NS_IMPL_INT_ATTR(HTMLPreElement, Width, width)
+
+bool
+HTMLPreElement::ParseAttribute(int32_t aNamespaceID,
+                               nsIAtom* aAttribute,
+                               const nsAString& aValue,
+                               nsAttrValue& aResult)
+{
+  if (aNamespaceID == kNameSpaceID_None) {
+    if (aAttribute == nsGkAtoms::width) {
+      return aResult.ParseIntValue(aValue);
+    }
+  }
+
+  return nsGenericHTMLElement::ParseAttribute(aNamespaceID, aAttribute, aValue,
+                                              aResult);
+}
+
+void
+HTMLPreElement::MapAttributesIntoRule(const nsMappedAttributes* aAttributes,
+                                      nsRuleData* aData)
+{
+  if (aData->mSIDs & NS_STYLE_INHERIT_BIT(Text)) {
+    nsCSSValue* whiteSpace = aData->ValueForWhiteSpace();
+    if (whiteSpace->GetUnit() == eCSSUnit_Null) {
+      // wrap: empty
+      if (aAttributes->GetAttr(nsGkAtoms::wrap))
+        whiteSpace->SetIntValue(NS_STYLE_WHITESPACE_PRE_WRAP, eCSSUnit_Enumerated);
+    }
+  }
+
+  nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aData);
+}
+
+NS_IMETHODIMP_(bool)
+HTMLPreElement::IsAttributeMapped(const nsIAtom* aAttribute) const
+{
+  if (!mNodeInfo->Equals(nsGkAtoms::pre)) {
+    return nsGenericHTMLElement::IsAttributeMapped(aAttribute);
+  }
+
+  static const MappedAttributeEntry attributes[] = {
+    { &nsGkAtoms::wrap },
+    { nullptr },
+  };
+  
+  static const MappedAttributeEntry* const map[] = {
+    attributes,
+    sCommonAttributeMap,
+  };
+
+  return FindAttributeDependence(aAttribute, map);
+}
+
+nsMapRuleToAttributesFunc
+HTMLPreElement::GetAttributeMappingFunction() const
+{
+  if (!mNodeInfo->Equals(nsGkAtoms::pre)) {
+    return nsGenericHTMLElement::GetAttributeMappingFunction();
+  }
+
+  return &MapAttributesIntoRule;
+}
+
+JSObject*
+HTMLPreElement::WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto)
+{
+  return HTMLPreElementBinding::Wrap(aCx, this, aGivenProto);
+}
+
+} // namespace dom
+} // namespace mozilla