1 files changed, 75 insertions, 0 deletions
diff --git a/layout/style/CSSSupportsRule.cpp b/layout/style/CSSSupportsRule.cpp
new file mode 100644
index 0000000000..1f1bbae379
--- /dev/null
+++ b/layout/style/CSSSupportsRule.cpp
@@ -0,0 +1,75 @@
+/* -*- 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/CSSSupportsRule.h"
+
+#include "mozilla/css/GroupRule.h"
+#include "mozilla/dom/CSSSupportsRuleBinding.h"
+#include "mozilla/ServoBindings.h"
+
+using namespace mozilla::css;
+
+namespace mozilla::dom {
+
+CSSSupportsRule::CSSSupportsRule(RefPtr<StyleSupportsRule> aRawRule,
+                                 StyleSheet* aSheet, css::Rule* aParentRule,
+                                 uint32_t aLine, uint32_t aColumn)
+    : css::ConditionRule(Servo_SupportsRule_GetRules(aRawRule).Consume(),
+                         aSheet, aParentRule, aLine, aColumn),
+      mRawRule(std::move(aRawRule)) {}
+
+NS_IMPL_ADDREF_INHERITED(CSSSupportsRule, ConditionRule)
+NS_IMPL_RELEASE_INHERITED(CSSSupportsRule, ConditionRule)
+
+// QueryInterface implementation for SupportsRule
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(CSSSupportsRule)
+NS_INTERFACE_MAP_END_INHERITING(ConditionRule)
+
+#ifdef DEBUG
+/* virtual */
+void CSSSupportsRule::List(FILE* out, int32_t aIndent) const {
+  nsAutoCString str;
+  for (int32_t i = 0; i < aIndent; i++) {
+    str.AppendLiteral("  ");
+  }
+  Servo_SupportsRule_Debug(mRawRule, &str);
+  fprintf_stderr(out, "%s\n", str.get());
+}
+#endif
+
+StyleCssRuleType CSSSupportsRule::Type() const {
+  return StyleCssRuleType::Supports;
+}
+
+void CSSSupportsRule::GetConditionText(nsACString& aConditionText) {
+  Servo_SupportsRule_GetConditionText(mRawRule, &aConditionText);
+}
+
+/* virtual */
+void CSSSupportsRule::GetCssText(nsACString& aCssText) const {
+  Servo_SupportsRule_GetCssText(mRawRule, &aCssText);
+}
+
+void CSSSupportsRule::SetRawAfterClone(RefPtr<StyleSupportsRule> aRaw) {
+  mRawRule = std::move(aRaw);
+
+  css::ConditionRule::SetRawAfterClone(
+      Servo_SupportsRule_GetRules(mRawRule).Consume());
+}
+
+/* virtual */
+size_t CSSSupportsRule::SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const {
+  // TODO Implement this!
+  return aMallocSizeOf(this);
+}
+
+/* virtual */
+JSObject* CSSSupportsRule::WrapObject(JSContext* aCx,
+                                      JS::Handle<JSObject*> aGivenProto) {
+  return CSSSupportsRule_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+}  // namespace mozilla::dom