1 files changed, 89 insertions, 0 deletions
diff --git a/layout/style/nsHTMLStyleSheet.h b/layout/style/nsHTMLStyleSheet.h
new file mode 100644
index 0000000000..62c1558e63
--- /dev/null
+++ b/layout/style/nsHTMLStyleSheet.h
@@ -0,0 +1,89 @@
+/* -*- 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/. */
+
+/*
+ * style sheet and style rule processor representing data from presentational
+ * HTML attributes
+ */
+
+#ifndef nsHTMLStyleSheet_h_
+#define nsHTMLStyleSheet_h_
+
+#include "nsColor.h"
+#include "nsCOMPtr.h"
+#include "nsAtom.h"
+#include "PLDHashTable.h"
+#include "mozilla/Attributes.h"
+#include "mozilla/MemoryReporting.h"
+#include "nsString.h"
+
+class nsMappedAttributes;
+struct RawServoDeclarationBlock;
+namespace mozilla {
+namespace dom {
+class Document;
+}  // namespace dom
+}  // namespace mozilla
+
+class nsHTMLStyleSheet final {
+ public:
+  explicit nsHTMLStyleSheet(mozilla::dom::Document* aDocument);
+
+  void SetOwningDocument(mozilla::dom::Document* aDocument);
+
+  NS_INLINE_DECL_REFCOUNTING(nsHTMLStyleSheet)
+
+  size_t DOMSizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
+
+  void Reset();
+  nsresult SetLinkColor(nscolor aColor);
+  nsresult SetActiveLinkColor(nscolor aColor);
+  nsresult SetVisitedLinkColor(nscolor aColor);
+
+  const RefPtr<RawServoDeclarationBlock>& GetServoUnvisitedLinkDecl() const {
+    return mServoUnvisitedLinkDecl;
+  }
+  const RefPtr<RawServoDeclarationBlock>& GetServoVisitedLinkDecl() const {
+    return mServoVisitedLinkDecl;
+  }
+  const RefPtr<RawServoDeclarationBlock>& GetServoActiveLinkDecl() const {
+    return mServoActiveLinkDecl;
+  }
+
+  // Mapped Attribute management methods
+  already_AddRefed<nsMappedAttributes> UniqueMappedAttributes(
+      nsMappedAttributes* aMapped);
+  void DropMappedAttributes(nsMappedAttributes* aMapped);
+  // For each mapped presentation attribute in the cache, resolve
+  // the attached DeclarationBlock by running the mapping
+  // and converting the ruledata to Servo specified values.
+  void CalculateMappedServoDeclarations();
+
+ private:
+  nsHTMLStyleSheet(const nsHTMLStyleSheet& aCopy) = delete;
+  nsHTMLStyleSheet& operator=(const nsHTMLStyleSheet& aCopy) = delete;
+
+  ~nsHTMLStyleSheet() = default;
+
+  // Implementation of SetLink/VisitedLink/ActiveLinkColor
+  nsresult ImplLinkColorSetter(RefPtr<RawServoDeclarationBlock>& aDecl,
+                               nscolor aColor);
+
+ public:  // for mLangRuleTable structures only
+ private:
+  mozilla::dom::Document* mDocument;
+  RefPtr<RawServoDeclarationBlock> mServoUnvisitedLinkDecl;
+  RefPtr<RawServoDeclarationBlock> mServoVisitedLinkDecl;
+  RefPtr<RawServoDeclarationBlock> mServoActiveLinkDecl;
+
+  PLDHashTable mMappedAttrTable;
+  // Whether or not the mapped attributes table
+  // has been changed since the last call to
+  // CalculateMappedServoDeclarations()
+  bool mMappedAttrsDirty;
+};
+
+#endif /* !defined(nsHTMLStyleSheet_h_) */