зеркало из https://github.com/mozilla/gecko-dev.git
88 строки
2.6 KiB
C++
88 строки
2.6 KiB
C++
/* -*- 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 <utility>
|
|
|
|
#include "mozilla/StaticPtr.h"
|
|
#include "mozilla/UserAgentStyleSheetID.h"
|
|
#include "mozilla/dom/URL.h"
|
|
#include "nsCOMPtr.h"
|
|
#include "nsIPrincipal.h"
|
|
#include "nsIReferrerInfo.h"
|
|
#include "nsIURI.h"
|
|
|
|
namespace mozilla {
|
|
|
|
struct URLExtraData {
|
|
URLExtraData(already_AddRefed<nsIURI> aBaseURI,
|
|
already_AddRefed<nsIReferrerInfo> aReferrerInfo,
|
|
already_AddRefed<nsIPrincipal> aPrincipal)
|
|
: mBaseURI(std::move(aBaseURI)),
|
|
mReferrerInfo(std::move(aReferrerInfo)),
|
|
mPrincipal(std::move(aPrincipal)) {
|
|
MOZ_ASSERT(mBaseURI);
|
|
MOZ_ASSERT(mPrincipal);
|
|
MOZ_ASSERT(mReferrerInfo);
|
|
// When we hold the URI data of a style sheet, referrer is always
|
|
// equal to the sheet URI.
|
|
nsCOMPtr<nsIURI> referrer = mReferrerInfo->GetOriginalReferrer();
|
|
mChromeRulesEnabled = referrer && (referrer->SchemeIs("chrome") ||
|
|
referrer->SchemeIs("resource"));
|
|
}
|
|
|
|
URLExtraData(nsIURI* aBaseURI, nsIReferrerInfo* aReferrerInfo,
|
|
nsIPrincipal* aPrincipal)
|
|
: URLExtraData(do_AddRef(aBaseURI), do_AddRef(aReferrerInfo),
|
|
do_AddRef(aPrincipal)) {}
|
|
|
|
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(URLExtraData)
|
|
|
|
nsIURI* BaseURI() const { return mBaseURI; }
|
|
nsIReferrerInfo* ReferrerInfo() const { return mReferrerInfo; }
|
|
nsIPrincipal* Principal() const { return mPrincipal; }
|
|
|
|
bool ChromeRulesEnabled() const { return mChromeRulesEnabled; }
|
|
|
|
static URLExtraData* Dummy() {
|
|
MOZ_ASSERT(sDummy);
|
|
return sDummy;
|
|
}
|
|
|
|
static URLExtraData* DummyChrome() {
|
|
MOZ_ASSERT(sDummyChrome);
|
|
return sDummyChrome;
|
|
}
|
|
|
|
static void Init();
|
|
static void Shutdown();
|
|
|
|
// URLExtraData objects that shared style sheets use a sheet ID index to
|
|
// refer to.
|
|
static StaticRefPtr<URLExtraData>
|
|
sShared[size_t(UserAgentStyleSheetID::Count)];
|
|
|
|
private:
|
|
~URLExtraData();
|
|
|
|
nsCOMPtr<nsIURI> mBaseURI;
|
|
nsCOMPtr<nsIReferrerInfo> mReferrerInfo;
|
|
nsCOMPtr<nsIPrincipal> mPrincipal;
|
|
|
|
bool mChromeRulesEnabled;
|
|
|
|
static StaticRefPtr<URLExtraData> sDummy;
|
|
static StaticRefPtr<URLExtraData> sDummyChrome;
|
|
};
|
|
|
|
} // namespace mozilla
|
|
|
|
#endif // mozilla_URLExtraData_h
|