зеркало из https://github.com/mozilla/gecko-dev.git
82 строки
2.4 KiB
C++
82 строки
2.4 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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/* thread-safe container of information for resolving url values */
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#ifndef mozilla_URLExtraData_h
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#define mozilla_URLExtraData_h
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#include "mozilla/dom/URL.h"
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#include "mozilla/Move.h"
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#include "mozilla/StaticPtr.h"
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#include "mozilla/UserAgentStyleSheetID.h"
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#include "mozilla/net/ReferrerPolicy.h"
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#include "nsCOMPtr.h"
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#include "nsIPrincipal.h"
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#include "nsIURI.h"
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#include "nsIReferrerInfo.h"
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class nsLayoutStylesheetCache;
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namespace mozilla {
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struct URLExtraData {
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URLExtraData(already_AddRefed<nsIURI> aBaseURI,
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already_AddRefed<nsIReferrerInfo> aReferrerInfo,
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already_AddRefed<nsIPrincipal> aPrincipal)
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: mBaseURI(std::move(aBaseURI)),
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mReferrerInfo(std::move(aReferrerInfo)),
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mPrincipal(std::move(aPrincipal)) {
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MOZ_ASSERT(mBaseURI);
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MOZ_ASSERT(mPrincipal);
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MOZ_ASSERT(mReferrerInfo);
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// When we hold the URI data of a style sheet, referrer is always
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// equal to the sheet URI.
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nsCOMPtr<nsIURI> referrer = mReferrerInfo->GetOriginalReferrer();
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mIsChrome = referrer ? dom::IsChromeURI(referrer) : false;
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}
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URLExtraData(nsIURI* aBaseURI, nsIReferrerInfo* aReferrerInfo,
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nsIPrincipal* aPrincipal)
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: URLExtraData(do_AddRef(aBaseURI), do_AddRef(aReferrerInfo),
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do_AddRef(aPrincipal)) {}
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NS_INLINE_DECL_THREADSAFE_REFCOUNTING(URLExtraData)
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nsIURI* BaseURI() const { return mBaseURI; }
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nsIReferrerInfo* ReferrerInfo() const { return mReferrerInfo; }
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nsIPrincipal* Principal() const { return mPrincipal; }
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static URLExtraData* Dummy() {
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MOZ_ASSERT(sDummy);
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return sDummy;
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}
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static void InitDummy();
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static void ReleaseDummy();
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// URLExtraData objects that shared style sheets use a sheet ID index to
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// refer to.
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static StaticRefPtr<URLExtraData>
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sShared[size_t(UserAgentStyleSheetID::Count)];
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private:
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~URLExtraData();
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nsCOMPtr<nsIURI> mBaseURI;
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nsCOMPtr<nsIReferrerInfo> mReferrerInfo;
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nsCOMPtr<nsIPrincipal> mPrincipal;
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// True if referrer is a chrome:// URI.
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bool mIsChrome;
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static StaticRefPtr<URLExtraData> sDummy;
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};
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} // namespace mozilla
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#endif // mozilla_URLExtraData_h
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