/* -*- 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 SystemGlobal_h__
#define SystemGlobal_h__
#include "js/loader/ModuleLoaderBase.h"
#include "mozilla/BasePrincipal.h"
#include "mozilla/SchedulerGroup.h"
#include "mozilla/StorageAccess.h"
#include "nsISupports.h"
#include "nsWeakReference.h"
#include "nsIGlobalObject.h"
#include "nsIScriptObjectPrincipal.h"
#include "nsIXPCScriptable.h"
#include "js/HeapAPI.h"
class XPCWrappedNative;
// The shared system global (used by ChromeUtils.importESModule), and also
// the xpcshell's global.
class SystemGlobal final :
public nsIGlobalObject,
public nsIScriptObjectPrincipal,
public nsIXPCScriptable,
public nsIClassInfo,
public nsSupportsWeakReference {
public:
SystemGlobal();
NS_DECL_ISUPPORTS
NS_DECL_NSIXPCSCRIPTABLE
NS_DECL_NSICLASSINFO
using ModuleLoaderBase = JS::loader::ModuleLoaderBase;
nsIPrincipal* GetPrincipal() override {
return mPrincipal; }
nsIPrincipal* GetEffectiveCookiePrincipal() override {
return mPrincipal; }
nsIPrincipal* GetEffectiveStoragePrincipal() override {
return mPrincipal; }
nsIPrincipal* PartitionedPrincipal() override {
return mPrincipal; }
mozilla::Maybe<nsID> GetAgentClusterId()
const override {
return mozilla::Some(mAgentClusterId);
}
mozilla::OriginTrials Trials()
const override {
return {}; }
JSObject* GetGlobalJSObject() override;
JSObject* GetGlobalJSObjectPreserveColor()
const override;
ModuleLoaderBase* GetModuleLoader(JSContext* aCx) override {
return mModuleLoader;
}
mozilla::StorageAccess GetStorageAccess() final {
MOZ_ASSERT(NS_IsMainThread());
return mozilla::StorageAccess::eAllow;
}
mozilla::Result<mozilla::ipc::PrincipalInfo, nsresult> GetStorageKey()
override;
void ForgetGlobalObject() { mWrapper = nullptr; }
void SetGlobalObject(JSObject* global);
void InitModuleLoader(ModuleLoaderBase* aModuleLoader) {
MOZ_ASSERT(!mModuleLoader);
mModuleLoader = aModuleLoader;
}
nsISerialEventTarget* SerialEventTarget()
const final {
return mozilla::GetMainThreadSerialEventTarget();
}
nsresult Dispatch(already_AddRefed<nsIRunnable>&& aRunnable)
const final {
return mozilla::SchedulerGroup::Dispatch(std::move(aRunnable));
}
bool IsSharedMemoryAllowed()
const override {
return true; }
bool ShouldResistFingerprinting(RFPTarget aTarget)
const override {
// SystemGlobal is always the System Principal
MOZ_RELEASE_ASSERT(mPrincipal->IsSystemPrincipal());
return false;
}
private:
virtual ~SystemGlobal() =
default;
const nsID mAgentClusterId;
nsCOMPtr<nsIPrincipal> mPrincipal;
XPCWrappedNative* mWrapper;
RefPtr<JS::loader::ModuleLoaderBase> mModuleLoader;
};
#endif // SystemGlobal_h__
