/* -*- 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_dom_ShadowRealmGlobalScope_h
#define mozilla_dom_ShadowRealmGlobalScope_h
#include "js/TypeDecls.h"
#include "mozilla/Attributes.h"
#include "mozilla/Maybe.h"
#include "mozilla/OriginTrials.h"
#include "mozilla/SchedulerGroup.h"
#include "mozilla/dom/BindingDeclarations.h"
#include "nsContentUtils.h"
#include "nsIGlobalObject.h"
#include "nsWrapperCache.h"
#include "js/loader/ModuleLoaderBase.h"
namespace mozilla::dom {
#define SHADOWREALMGLOBALSCOPE_IID \
{
/* 1b0a59dd-c1cb-429a-bb90-cea17994dba2 */ \
0x1b0a59dd, 0xc1cb, 0x429a, { \
0xbb, 0x90, 0xce, 0xa1, 0x79, 0x94, 0xdb, 0xa2 \
} \
}
// Required for providing the wrapper, as this is the global used inside a Gecko
// backed ShadowRealm, but also required to power module resolution.
class ShadowRealmGlobalScope final :
public nsIGlobalObject,
public nsWrapperCache {
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(ShadowRealmGlobalScope)
NS_DECLARE_STATIC_IID_ACCESSOR(SHADOWREALMGLOBALSCOPE_IID)
explicit ShadowRealmGlobalScope(nsIGlobalObject* aCreatingGlobal)
: mCreatingGlobal(aCreatingGlobal) {};
nsIGlobalObject* GetCreatingGlobal()
const {
return mCreatingGlobal; }
OriginTrials Trials()
const override {
return {}; }
JSObject* GetGlobalJSObject() override {
return GetWrapper(); }
JSObject* GetGlobalJSObjectPreserveColor()
const override {
return GetWrapperPreserveColor();
}
virtual JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override {
MOZ_CRASH(
"Shouldn't be here");
return nullptr;
}
JS::loader::ModuleLoaderBase* GetModuleLoader(JSContext* aCx) override;
bool ShouldResistFingerprinting(RFPTarget aTarget)
const override {
return nsContentUtils::ShouldResistFingerprinting(
"Presently we don't have enough context to make an informed decision"
"on JS Sandboxes. See 1782853",
aTarget);
}
nsISerialEventTarget* SerialEventTarget()
const final {
return mozilla::GetMainThreadSerialEventTarget();
}
nsresult Dispatch(already_AddRefed<nsIRunnable>&& aRunnable)
const final {
return mozilla::SchedulerGroup::Dispatch(std::move(aRunnable));
}
private:
virtual ~ShadowRealmGlobalScope() =
default;
RefPtr<JS::loader::ModuleLoaderBase> mModuleLoader;
// The global which created this ShadowRealm
nsCOMPtr<nsIGlobalObject> mCreatingGlobal;
};
NS_DEFINE_STATIC_IID_ACCESSOR(ShadowRealmGlobalScope,
SHADOWREALMGLOBALSCOPE_IID)
JSObject* NewShadowRealmGlobal(JSContext* aCx, JS::RealmOptions& aOptions,
JSPrincipals* aPrincipals,
JS::Handle<JSObject*> aGlobalObj);
bool IsShadowRealmGlobal(JSObject* aObject);
}
// namespace mozilla::dom
#endif
