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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/. */
#include "mozilla/dom/TrustedTypePolicyFactory.h"
#include "mozilla/AlreadyAddRefed.h"
#include "mozilla/RefPtr.h"
#include "mozilla/dom/TrustedTypePolicy.h"
namespace mozilla::dom {
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(TrustedTypePolicyFactory, mGlobalObject)
JSObject* TrustedTypePolicyFactory::WrapObject(
JSContext* aCx, JS::Handle<JSObject*> aGivenProto) {
return TrustedTypePolicyFactory_Binding::Wrap(aCx, this, aGivenProto);
}
already_AddRefed<TrustedTypePolicy> TrustedTypePolicyFactory::CreatePolicy(
const nsAString& aPolicyName,
const TrustedTypePolicyOptions& aPolicyOptions) {
// TODO: implement the spec.
return MakeRefPtr<TrustedTypePolicy>(this).forget();
}
UniquePtr<TrustedHTML> TrustedTypePolicyFactory::EmptyHTML() {
// Preserving the wrapper ensures:
// ```
// const e = trustedTypes.emptyHTML;
// e === trustedTypes.emptyHTML;
// ```
// which comes with the cost of keeping the factory, one per global, alive.
// An additional benefit is it saves the cost of re-instantiating potentially
// multiple emptyHML objects. Both, the JS- and the C++-objects.
dom::PreserveWrapper(this);
return MakeUnique<TrustedHTML>();
}
UniquePtr<TrustedScript> TrustedTypePolicyFactory::EmptyScript() {
// See the explanation in `EmptyHTML()`.
dom::PreserveWrapper(this);
return MakeUnique<TrustedScript>();
}
} // namespace mozilla::dom
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