summaryrefslogtreecommitdiffstats
path: root/layout/style/StyleSheetInfo.h
diff options
context:
space:
mode:
Diffstat (limited to 'layout/style/StyleSheetInfo.h')
-rw-r--r--layout/style/StyleSheetInfo.h100
1 files changed, 100 insertions, 0 deletions
diff --git a/layout/style/StyleSheetInfo.h b/layout/style/StyleSheetInfo.h
new file mode 100644
index 0000000000..bd054fb78a
--- /dev/null
+++ b/layout/style/StyleSheetInfo.h
@@ -0,0 +1,100 @@
+/* -*- 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_StyleSheetInfo_h
+#define mozilla_StyleSheetInfo_h
+
+#include "mozilla/css/SheetParsingMode.h"
+#include "mozilla/dom/SRIMetadata.h"
+#include "mozilla/CORSMode.h"
+
+#include "nsIReferrerInfo.h"
+
+class nsIPrincipal;
+class nsIURI;
+
+namespace mozilla {
+class StyleSheet;
+struct StyleUseCounters;
+struct StyleStylesheetContents;
+struct URLExtraData;
+
+/**
+ * Struct for data common to CSSStyleSheetInner and ServoStyleSheet.
+ */
+struct StyleSheetInfo final {
+ typedef dom::ReferrerPolicy ReferrerPolicy;
+
+ StyleSheetInfo(CORSMode aCORSMode, const dom::SRIMetadata& aIntegrity,
+ css::SheetParsingMode aParsingMode);
+
+ // FIXME(emilio): aCopy should be const.
+ StyleSheetInfo(StyleSheetInfo& aCopy, StyleSheet* aPrimarySheet);
+
+ ~StyleSheetInfo();
+
+ StyleSheetInfo* CloneFor(StyleSheet* aPrimarySheet);
+
+ void AddSheet(StyleSheet* aSheet);
+ void RemoveSheet(StyleSheet* aSheet);
+
+ size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const;
+
+ // FIXME(emilio): most of this struct should be const, then we can remove the
+ // duplication with the UrlExtraData member and such.
+ nsCOMPtr<nsIURI> mSheetURI; // for error reports, etc.
+ nsCOMPtr<nsIURI> mOriginalSheetURI; // for GetHref. Can be null.
+ nsCOMPtr<nsIURI> mBaseURI; // for resolving relative URIs
+ nsCOMPtr<nsIPrincipal> mPrincipal;
+ CORSMode mCORSMode;
+ // The ReferrerInfo of a stylesheet is used for its child sheets and loads
+ // come from this stylesheet, so it is stored here.
+ nsCOMPtr<nsIReferrerInfo> mReferrerInfo;
+ dom::SRIMetadata mIntegrity;
+
+ // Pointer to the list of child sheets. This is all fundamentally broken,
+ // because each of the child sheets has a unique parent... We can only hope
+ // (and currently this is the case) that any time page JS can get its hands on
+ // a child sheet that means we've already ensured unique infos throughout its
+ // parent chain and things are good.
+ nsTArray<RefPtr<StyleSheet>> mChildren;
+
+ AutoTArray<StyleSheet*, 8> mSheets;
+
+ // If a SourceMap or X-SourceMap response header is seen, this is
+ // the value. If both are seen, SourceMap is preferred. If neither
+ // is seen, this will be an empty string.
+ nsString mSourceMapURL;
+ // This stores any source map URL that might have been seen in a
+ // comment in the style sheet. This is separate from mSourceMapURL
+ // so that the value does not overwrite any value that might have
+ // come from a response header.
+ nsString mSourceMapURLFromComment;
+ // This stores any source URL that might have been seen in a comment
+ // in the style sheet.
+ nsString mSourceURL;
+
+ RefPtr<const StyleStylesheetContents> mContents;
+
+ UniquePtr<StyleUseCounters> mUseCounters;
+
+ // XXX We already have mSheetURI, mBaseURI, and mPrincipal.
+ //
+ // Can we somehow replace them with URLExtraData directly? The issue
+ // is currently URLExtraData is immutable, but URIs in StyleSheetInfo
+ // seems to be mutable, so we probably cannot set them altogether.
+ // Also, this is mostly a duplicate reference of the same url data
+ // inside RawServoStyleSheet. We may want to just use that instead.
+ RefPtr<URLExtraData> mURLData;
+
+#ifdef DEBUG
+ bool mPrincipalSet;
+#endif
+};
+
+} // namespace mozilla
+
+#endif // mozilla_StyleSheetInfo_h