Add m-esr52 at 52.6.0

1 files changed, 90 insertions, 0 deletions

diff --git a/layout/style/ServoStyleSheet.h b/layout/style/ServoStyleSheet.h
new file mode 100644
index 000000000..079f196eb
--- /dev/null
+++ b/layout/style/ServoStyleSheet.h
@@ -0,0 +1,90 @@
+/* -*- 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/. */
+
+#ifndef mozilla_ServoStyleSheet_h
+#define mozilla_ServoStyleSheet_h
+
+#include "mozilla/dom/SRIMetadata.h"
+#include "mozilla/RefPtr.h"
+#include "mozilla/ServoBindingTypes.h"
+#include "mozilla/StyleSheet.h"
+#include "mozilla/StyleSheetInfo.h"
+#include "nsStringFwd.h"
+
+namespace mozilla {
+
+/**
+ * CSS style sheet object that is a wrapper for a Servo Stylesheet.
+ */
+class ServoStyleSheet : public StyleSheet
+{
+public:
+  ServoStyleSheet(css::SheetParsingMode aParsingMode,
+                  CORSMode aCORSMode,
+                  net::ReferrerPolicy aReferrerPolicy,
+                  const dom::SRIMetadata& aIntegrity);
+
+  bool HasRules() const;
+
+  void SetOwningDocument(nsIDocument* aDocument);
+
+  ServoStyleSheet* GetParentSheet() const;
+  void AppendStyleSheet(ServoStyleSheet* aSheet);
+
+  MOZ_MUST_USE nsresult ParseSheet(const nsAString& aInput,
+                                   nsIURI* aSheetURI,
+                                   nsIURI* aBaseURI,
+                                   nsIPrincipal* aSheetPrincipal,
+                                   uint32_t aLineNumber);
+
+  /**
+   * Called instead of ParseSheet to initialize the Servo stylesheet object
+   * for a failed load. Either ParseSheet or LoadFailed must be called before
+   * adding a ServoStyleSheet to a ServoStyleSet.
+   */
+  void LoadFailed();
+
+  size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const;
+
+#ifdef DEBUG
+  void List(FILE* aOut = stdout, int32_t aIndex = 0) const;
+#endif
+
+  RawServoStyleSheet* RawSheet() const { return mSheet; }
+
+  // WebIDL StyleSheet API
+  nsMediaList* Media() final;
+
+  // WebIDL CSSStyleSheet API
+  // Can't be inline because we can't include ImportRule here.  And can't be
+  // called GetOwnerRule because that would be ambiguous with the ImportRule
+  // version.
+  nsIDOMCSSRule* GetDOMOwnerRule() const final;
+
+  void WillDirty() {}
+  void DidDirty() {}
+
+protected:
+  virtual ~ServoStyleSheet();
+
+  // Internal methods which do not have security check and completeness check.
+  dom::CSSRuleList* GetCssRulesInternal(ErrorResult& aRv);
+  uint32_t InsertRuleInternal(const nsAString& aRule,
+                              uint32_t aIndex, ErrorResult& aRv);
+  void DeleteRuleInternal(uint32_t aIndex, ErrorResult& aRv);
+
+private:
+  void DropSheet();
+
+  RefPtr<RawServoStyleSheet> mSheet;
+  StyleSheetInfo mSheetInfo;
+
+  friend class StyleSheet;
+};
+
+} // namespace mozilla
+
+#endif // mozilla_ServoStyleSheet_h