gecko-dev/layout/style/URLExtraData.h

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/* -*- 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/. */
/* thread-safe container of information for resolving url values */
#ifndef mozilla_URLExtraData_h
#define mozilla_URLExtraData_h
#include "mozilla/dom/URL.h"
#include "mozilla/Move.h"
#include "mozilla/StaticPtr.h"
#include "nsCOMPtr.h"
#include "nsIPrincipal.h"
#include "nsIURI.h"
namespace mozilla {
struct URLExtraData
{
URLExtraData(already_AddRefed<nsIURI> aBaseURI,
already_AddRefed<nsIURI> aReferrer,
already_AddRefed<nsIPrincipal> aPrincipal)
: mBaseURI(std::move(aBaseURI))
, mReferrer(std::move(aReferrer))
, mPrincipal(std::move(aPrincipal))
// When we hold the URI data of a style sheet, mReferrer is always
// equal to the sheet URI.
, mIsChrome(mReferrer ? dom::IsChromeURI(mReferrer) : false)
{
MOZ_ASSERT(mBaseURI);
}
URLExtraData(nsIURI* aBaseURI, nsIURI* aReferrer, nsIPrincipal* aPrincipal)
: URLExtraData(do_AddRef(aBaseURI),
do_AddRef(aReferrer),
do_AddRef(aPrincipal)) {}
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(URLExtraData)
nsIURI* BaseURI() const { return mBaseURI; }
nsIURI* GetReferrer() const { return mReferrer; }
nsIPrincipal* GetPrincipal() const { return mPrincipal; }
static URLExtraData* Dummy() {
MOZ_ASSERT(sDummy);
return sDummy;
}
static void InitDummy();
static void ReleaseDummy();
private:
~URLExtraData();
nsCOMPtr<nsIURI> mBaseURI;
nsCOMPtr<nsIURI> mReferrer;
nsCOMPtr<nsIPrincipal> mPrincipal;
// True if mReferrer is a chrome:// URI.
const bool mIsChrome;
static StaticRefPtr<URLExtraData> sDummy;
};
} // namespace mozilla
#endif // mozilla_URLExtraData_h