зеркало из https://github.com/mozilla/gecko-dev.git
97 строки
3.4 KiB
C++
97 строки
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_StyleSheetInfo_h
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#define mozilla_StyleSheetInfo_h
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#include "mozilla/css/SheetParsingMode.h"
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#include "mozilla/dom/SRIMetadata.h"
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#include "mozilla/net/ReferrerPolicy.h"
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#include "mozilla/CORSMode.h"
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#include "nsIURI.h"
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class nsIPrincipal;
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namespace mozilla {
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class StyleSheet;
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struct URLExtraData;
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/**
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* Struct for data common to CSSStyleSheetInner and ServoStyleSheet.
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*/
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struct StyleSheetInfo final {
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typedef net::ReferrerPolicy ReferrerPolicy;
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StyleSheetInfo(CORSMode aCORSMode, ReferrerPolicy aReferrerPolicy,
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const dom::SRIMetadata& aIntegrity,
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css::SheetParsingMode aParsingMode);
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// FIXME(emilio): aCopy should be const.
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StyleSheetInfo(StyleSheetInfo& aCopy, StyleSheet* aPrimarySheet);
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~StyleSheetInfo();
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StyleSheetInfo* CloneFor(StyleSheet* aPrimarySheet);
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void AddSheet(StyleSheet* aSheet);
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void RemoveSheet(StyleSheet* aSheet);
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size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const;
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// FIXME(emilio): most of this struct should be const, then we can remove the
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// duplication with the UrlExtraData member and such.
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nsCOMPtr<nsIURI> mSheetURI; // for error reports, etc.
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nsCOMPtr<nsIURI> mOriginalSheetURI; // for GetHref. Can be null.
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nsCOMPtr<nsIURI> mBaseURI; // for resolving relative URIs
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nsCOMPtr<nsIPrincipal> mPrincipal;
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CORSMode mCORSMode;
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// The Referrer Policy of a stylesheet is used for its child sheets, so it is
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// stored here.
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ReferrerPolicy mReferrerPolicy;
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dom::SRIMetadata mIntegrity;
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// Pointer to start of linked list of child sheets. This is all fundamentally
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// broken, because each of the child sheets has a unique parent... We can
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// only hope (and currently this is the case) that any time page JS can get
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// its hands on a child sheet that means we've already ensured unique infos
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// throughout its parent chain and things are good.
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RefPtr<StyleSheet> mFirstChild;
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AutoTArray<StyleSheet*, 8> mSheets;
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// If a SourceMap or X-SourceMap response header is seen, this is
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// the value. If both are seen, SourceMap is preferred. If neither
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// is seen, this will be an empty string.
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nsString mSourceMapURL;
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// This stores any source map URL that might have been seen in a
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// comment in the style sheet. This is separate from mSourceMapURL
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// so that the value does not overwrite any value that might have
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// come from a response header.
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nsString mSourceMapURLFromComment;
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// This stores any source URL that might have been seen in a comment
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// in the style sheet.
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nsString mSourceURL;
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RefPtr<const RawServoStyleSheetContents> mContents;
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// XXX We already have mSheetURI, mBaseURI, and mPrincipal.
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//
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// Can we somehow replace them with URLExtraData directly? The issue
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// is currently URLExtraData is immutable, but URIs in StyleSheetInfo
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// seems to be mutable, so we probably cannot set them altogether.
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// Also, this is mostly a duplicate reference of the same url data
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// inside RawServoStyleSheet. We may want to just use that instead.
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RefPtr<URLExtraData> mURLData;
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#ifdef DEBUG
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bool mPrincipalSet;
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#endif
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};
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} // namespace mozilla
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#endif // mozilla_StyleSheetInfo_h
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