1 files changed, 72 insertions, 0 deletions
diff --git a/layout/style/ServoDeclarationBlock.h b/layout/style/ServoDeclarationBlock.h
new file mode 100644
index 000000000..2cf7b1619
--- /dev/null
+++ b/layout/style/ServoDeclarationBlock.h
@@ -0,0 +1,72 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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/. */
+
+#ifndef mozilla_ServoDeclarationBlock_h
+#define mozilla_ServoDeclarationBlock_h
+
+#include "mozilla/ServoBindings.h"
+#include "mozilla/DeclarationBlock.h"
+
+namespace mozilla {
+
+class ServoDeclarationBlock final : public DeclarationBlock
+{
+public:
+  ServoDeclarationBlock()
+    : ServoDeclarationBlock(Servo_DeclarationBlock_CreateEmpty().Consume()) {}
+
+  ServoDeclarationBlock(const ServoDeclarationBlock& aCopy)
+    : DeclarationBlock(aCopy)
+    , mRaw(Servo_DeclarationBlock_Clone(aCopy.mRaw).Consume()) {}
+
+  NS_INLINE_DECL_REFCOUNTING(ServoDeclarationBlock)
+
+  static already_AddRefed<ServoDeclarationBlock>
+  FromCssText(const nsAString& aCssText);
+
+  RawServoDeclarationBlock* Raw() const { return mRaw; }
+  RawServoDeclarationBlock* const* RefRaw() const {
+    static_assert(sizeof(RefPtr<RawServoDeclarationBlock>) ==
+                  sizeof(RawServoDeclarationBlock*),
+                  "RefPtr should just be a pointer");
+    return reinterpret_cast<RawServoDeclarationBlock* const*>(&mRaw);
+  }
+
+  void ToString(nsAString& aResult) const {
+    Servo_DeclarationBlock_GetCssText(mRaw, &aResult);
+  }
+
+  uint32_t Count() const {
+    return Servo_DeclarationBlock_Count(mRaw);
+  }
+  bool GetNthProperty(uint32_t aIndex, nsAString& aReturn) const {
+    aReturn.Truncate();
+    return Servo_DeclarationBlock_GetNthProperty(mRaw, aIndex, &aReturn);
+  }
+
+  void GetPropertyValue(const nsAString& aProperty, nsAString& aValue) const;
+  void GetPropertyValueByID(nsCSSPropertyID aPropID, nsAString& aValue) const;
+  void GetAuthoredPropertyValue(const nsAString& aProperty,
+                                nsAString& aValue) const {
+    GetPropertyValue(aProperty, aValue);
+  }
+  bool GetPropertyIsImportant(const nsAString& aProperty) const;
+  void RemoveProperty(const nsAString& aProperty);
+  void RemovePropertyByID(nsCSSPropertyID aPropID);
+
+protected:
+  explicit ServoDeclarationBlock(
+    already_AddRefed<RawServoDeclarationBlock> aRaw)
+    : DeclarationBlock(StyleBackendType::Servo), mRaw(aRaw) {}
+
+private:
+  ~ServoDeclarationBlock() {}
+
+  RefPtr<RawServoDeclarationBlock> mRaw;
+};
+
+} // namespace mozilla
+
+#endif // mozilla_ServoDeclarationBlock_h