1 files changed, 46 insertions, 0 deletions
diff --git a/layout/style/ServoElementSnapshot.cpp b/layout/style/ServoElementSnapshot.cpp
new file mode 100644
index 000000000..2b1dd840d
--- /dev/null
+++ b/layout/style/ServoElementSnapshot.cpp
@@ -0,0 +1,46 @@
+/* -*- 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/ServoElementSnapshot.h"
+#include "mozilla/dom/Element.h"
+#include "nsIContentInlines.h"
+#include "nsContentUtils.h"
+
+namespace mozilla {
+
+ServoElementSnapshot::ServoElementSnapshot(Element* aElement)
+  : mContains(Flags(0))
+  , mState(0)
+  , mExplicitRestyleHint(nsRestyleHint(0))
+  , mExplicitChangeHint(nsChangeHint(0))
+{
+  mIsHTMLElementInHTMLDocument =
+    aElement->IsHTMLElement() && aElement->IsInHTMLDocument();
+  mIsInChromeDocument =
+    nsContentUtils::IsChromeDoc(aElement->OwnerDoc());
+}
+
+void
+ServoElementSnapshot::AddAttrs(Element* aElement)
+{
+  MOZ_ASSERT(aElement);
+
+  if (HasAny(Flags::Attributes)) {
+    return;
+  }
+
+  uint32_t attrCount = aElement->GetAttrCount();
+  const nsAttrName* attrName;
+  for (uint32_t i = 0; i < attrCount; ++i) {
+    attrName = aElement->GetAttrNameAt(i);
+    const nsAttrValue* attrValue =
+      aElement->GetParsedAttr(attrName->LocalName(), attrName->NamespaceID());
+    mAttrs.AppendElement(ServoAttrSnapshot(*attrName, *attrValue));
+  }
+  mContains |= Flags::Attributes;
+}
+
+} // namespace mozilla