1 files changed, 42 insertions, 0 deletions
diff --git a/layout/style/MappedDeclarations.cpp b/layout/style/MappedDeclarations.cpp
new file mode 100644
index 0000000000..bd3f069b4c
--- /dev/null
+++ b/layout/style/MappedDeclarations.cpp
@@ -0,0 +1,42 @@
+/* -*- 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 "MappedDeclarations.h"
+
+#include "nsAttrValue.h"
+#include "nsAttrValueInlines.h"
+#include "mozilla/dom/Document.h"
+#include "nsPresContext.h"
+
+namespace mozilla {
+
+void MappedDeclarations::SetIdentAtomValue(nsCSSPropertyID aId,
+                                           nsAtom* aValue) {
+  Servo_DeclarationBlock_SetIdentStringValue(mDecl, aId, aValue);
+  if (aId == eCSSProperty__x_lang) {
+    // This forces the lang prefs result to be cached so that we can access them
+    // off main thread during traversal.
+    //
+    // FIXME(emilio): Can we move mapped attribute declarations across
+    // documents? Isn't this wrong in that case? This is pretty out of place
+    // anyway.
+    mDocument->ForceCacheLang(aValue);
+  }
+}
+
+void MappedDeclarations::SetBackgroundImage(const nsAttrValue& aValue) {
+  if (aValue.Type() != nsAttrValue::eURL) {
+    return;
+  }
+  nsAutoString str;
+  aValue.ToString(str);
+  nsAutoCString utf8;
+  CopyUTF16toUTF8(str, utf8);
+  Servo_DeclarationBlock_SetBackgroundImage(
+      mDecl, &utf8, mDocument->DefaultStyleAttrURLData());
+}
+
+}  // namespace mozilla