Add m-esr52 at 52.6.0

1 files changed, 143 insertions, 0 deletions

diff --git a/layout/style/ServoStyleSheet.cpp b/layout/style/ServoStyleSheet.cpp
new file mode 100644
index 000000000..cfeae20d2
--- /dev/null
+++ b/layout/style/ServoStyleSheet.cpp
@@ -0,0 +1,143 @@
+/* -*- 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/ServoStyleSheet.h"
+#include "mozilla/StyleBackendType.h"
+
+namespace mozilla {
+
+ServoStyleSheet::ServoStyleSheet(css::SheetParsingMode aParsingMode,
+                                 CORSMode aCORSMode,
+                                 net::ReferrerPolicy aReferrerPolicy,
+                                 const dom::SRIMetadata& aIntegrity)
+  : StyleSheet(StyleBackendType::Servo, aParsingMode)
+  , mSheetInfo(aCORSMode, aReferrerPolicy, aIntegrity)
+{
+}
+
+ServoStyleSheet::~ServoStyleSheet()
+{
+  DropSheet();
+}
+
+bool
+ServoStyleSheet::HasRules() const
+{
+  return mSheet && Servo_StyleSheet_HasRules(mSheet);
+}
+
+void
+ServoStyleSheet::SetOwningDocument(nsIDocument* aDocument)
+{
+  // XXXheycam: Traverse to child ServoStyleSheets to set this, like
+  // CSSStyleSheet::SetOwningDocument does.
+
+  mDocument = aDocument;
+}
+
+ServoStyleSheet*
+ServoStyleSheet::GetParentSheet() const
+{
+  // XXXheycam: When we implement support for child sheets, we'll have
+  // to fix SetOwningDocument to propagate the owning document down
+  // to the children.
+  MOZ_CRASH("stylo: not implemented");
+}
+
+void
+ServoStyleSheet::AppendStyleSheet(ServoStyleSheet* aSheet)
+{
+  // XXXheycam: When we implement support for child sheets, we'll have
+  // to fix SetOwningDocument to propagate the owning document down
+  // to the children.
+  MOZ_CRASH("stylo: not implemented");
+}
+
+nsresult
+ServoStyleSheet::ParseSheet(const nsAString& aInput,
+                            nsIURI* aSheetURI,
+                            nsIURI* aBaseURI,
+                            nsIPrincipal* aSheetPrincipal,
+                            uint32_t aLineNumber)
+{
+  DropSheet();
+
+  RefPtr<ThreadSafeURIHolder> base = new ThreadSafeURIHolder(aBaseURI);
+  RefPtr<ThreadSafeURIHolder> referrer = new ThreadSafeURIHolder(aSheetURI);
+  RefPtr<ThreadSafePrincipalHolder> principal =
+    new ThreadSafePrincipalHolder(aSheetPrincipal);
+
+  nsCString baseString;
+  nsresult rv = aBaseURI->GetSpec(baseString);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  NS_ConvertUTF16toUTF8 input(aInput);
+  mSheet = Servo_StyleSheet_FromUTF8Bytes(&input, mParsingMode, &baseString,
+                                          base, referrer, principal).Consume();
+
+  return NS_OK;
+}
+
+void
+ServoStyleSheet::LoadFailed()
+{
+  mSheet = Servo_StyleSheet_Empty(mParsingMode).Consume();
+}
+
+void
+ServoStyleSheet::DropSheet()
+{
+  mSheet = nullptr;
+}
+
+size_t
+ServoStyleSheet::SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const
+{
+  MOZ_CRASH("stylo: not implemented");
+}
+
+#ifdef DEBUG
+void
+ServoStyleSheet::List(FILE* aOut, int32_t aIndex) const
+{
+  MOZ_CRASH("stylo: not implemented");
+}
+#endif
+
+nsMediaList*
+ServoStyleSheet::Media()
+{
+  return nullptr;
+}
+
+nsIDOMCSSRule*
+ServoStyleSheet::GetDOMOwnerRule() const
+{
+  return nullptr;
+}
+
+CSSRuleList*
+ServoStyleSheet::GetCssRulesInternal(ErrorResult& aRv)
+{
+  aRv.Throw(NS_ERROR_NOT_IMPLEMENTED);
+  return nullptr;
+}
+
+uint32_t
+ServoStyleSheet::InsertRuleInternal(const nsAString& aRule,
+                                    uint32_t aIndex, ErrorResult& aRv)
+{
+  aRv.Throw(NS_ERROR_NOT_IMPLEMENTED);
+  return 0;
+}
+
+void
+ServoStyleSheet::DeleteRuleInternal(uint32_t aIndex, ErrorResult& aRv)
+{
+  aRv.Throw(NS_ERROR_NOT_IMPLEMENTED);
+}
+
+} // namespace mozilla