layout/style/StyleSheetInfo.h
author Xianzhu Wang <wangxianzhu@chromium.org>
Tue, 05 Mar 2019 12:18:01 +0000
changeset 464575 4325ba7b38576495a78289c2a8f4dff391922e66
parent 448947 6f3709b3878117466168c40affa7bca0b60cf75b
child 466903 81735d15243c00721dc107e39c956c9681e89f23
permissions -rw-r--r--
Bug 1529059 [wpt PR 15420] - [BlinkGenPropertyTrees] Initiailize double_sided of synthetic effect, a=testonly Automatic update from web-platform-tests [BlinkGenPropertyTrees] Initiailize double_sided of synthetic effect Previously synthetic effects always had double_sided==false, causing the layer disappear when the backface was facing forward. Bug: 928190 Change-Id: I35534b40346d5c5918bc99c00a4ca6b4e3b68796 Reviewed-on: https://chromium-review.googlesource.com/c/1475815 Reviewed-by: Philip Rogers <pdr@chromium.org> Commit-Queue: Xianzhu Wang <wangxianzhu@chromium.org> Cr-Commit-Position: refs/heads/master@{#632764} -- wpt-commits: a89467050deaf1dcbd9140a2f0670b1b85e518ee wpt-pr: 15420

/* -*- 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/net/ReferrerPolicy.h"
#include "mozilla/CORSMode.h"

#include "nsIURI.h"

class nsIPrincipal;

namespace mozilla {
class StyleSheet;
struct URLExtraData;

/**
 * Struct for data common to CSSStyleSheetInner and ServoStyleSheet.
 */
struct StyleSheetInfo final {
  typedef net::ReferrerPolicy ReferrerPolicy;

  StyleSheetInfo(CORSMode aCORSMode, ReferrerPolicy aReferrerPolicy,
                 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 Referrer Policy of a stylesheet is used for its child sheets, so it is
  // stored here.
  ReferrerPolicy mReferrerPolicy;
  dom::SRIMetadata mIntegrity;

  // Pointer to start of linked 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.
  RefPtr<StyleSheet> mFirstChild;
  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 RawServoStyleSheetContents> mContents;

  // 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