Source code
Revision control
Copy as Markdown
Other Tools
/* -*- 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
#include "WorkletGlobalScope.h"
#include "mozilla/SchedulerGroup.h"
#include "mozilla/dom/WorkletGlobalScopeBinding.h"
#include "mozilla/dom/WorkletImpl.h"
#include "mozilla/dom/WorkletThread.h"
#include "mozilla/dom/worklet/WorkletModuleLoader.h"
#include "mozilla/dom/Console.h"
#include "js/RealmOptions.h"
#include "nsContentUtils.h"
#include "nsJSUtils.h"
#include "nsThreadUtils.h"
#include "nsRFPService.h"
using JS::loader::ModuleLoaderBase;
using mozilla::dom::loader::WorkletModuleLoader;
namespace mozilla::dom {
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(WorkletGlobalScope)
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(WorkletGlobalScope)
NS_IMPL_CYCLE_COLLECTION_UNLINK_PRESERVED_WRAPPER
NS_IMPL_CYCLE_COLLECTION_UNLINK(mConsole)
NS_IMPL_CYCLE_COLLECTION_UNLINK(mModuleLoader)
tmp->UnlinkObjectsInGlobal();
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(WorkletGlobalScope)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mConsole)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mModuleLoader)
tmp->TraverseObjectsInGlobal(cb);
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTING_ADDREF(WorkletGlobalScope)
NS_IMPL_CYCLE_COLLECTING_RELEASE(WorkletGlobalScope)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(WorkletGlobalScope)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_ENTRY(nsIGlobalObject)
NS_INTERFACE_MAP_ENTRY(WorkletGlobalScope)
NS_INTERFACE_MAP_END
WorkletGlobalScope::WorkletGlobalScope(WorkletImpl* aImpl)
: mImpl(aImpl), mCreationTimeStamp(TimeStamp::Now()) {}
WorkletGlobalScope::~WorkletGlobalScope() = default;
JSObject* WorkletGlobalScope::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
MOZ_CRASH("We should never get here!");
return nullptr;
}
nsISerialEventTarget* WorkletGlobalScope::SerialEventTarget() const {
WorkletThread::AssertIsOnWorkletThread();
return NS_GetCurrentThread();
}
nsresult WorkletGlobalScope::Dispatch(
already_AddRefed<nsIRunnable>&& aRunnable) const {
WorkletThread::AssertIsOnWorkletThread();
return SerialEventTarget()->Dispatch(std::move(aRunnable));
}
already_AddRefed<Console> WorkletGlobalScope::GetConsole(JSContext* aCx,
ErrorResult& aRv) {
if (!mConsole) {
MOZ_ASSERT(Impl());
const WorkletLoadInfo& loadInfo = Impl()->LoadInfo();
mConsole = Console::CreateForWorklet(aCx, this, loadInfo.OuterWindowID(),
loadInfo.InnerWindowID(), aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
}
RefPtr<Console> console = mConsole;
return console.forget();
}
void WorkletGlobalScope::InitModuleLoader(WorkletModuleLoader* aModuleLoader) {
MOZ_ASSERT(!mModuleLoader);
mModuleLoader = aModuleLoader;
}
ModuleLoaderBase* WorkletGlobalScope::GetModuleLoader(JSContext* aCx) {
return mModuleLoader;
};
OriginTrials WorkletGlobalScope::Trials() const { return mImpl->Trials(); }
Maybe<nsID> WorkletGlobalScope::GetAgentClusterId() const {
return mImpl->GetAgentClusterId();
}
bool WorkletGlobalScope::IsSharedMemoryAllowed() const {
return mImpl->IsSharedMemoryAllowed();
}
bool WorkletGlobalScope::ShouldResistFingerprinting(RFPTarget aTarget) const {
return mImpl->ShouldResistFingerprinting(aTarget);
}
void WorkletGlobalScope::Dump(const Optional<nsAString>& aString) const {
WorkletThread::AssertIsOnWorkletThread();
if (!nsJSUtils::DumpEnabled()) {
return;
}
if (!aString.WasPassed()) {
return;
}
NS_ConvertUTF16toUTF8 str(aString.Value());
MOZ_LOG(nsContentUtils::DOMDumpLog(), mozilla::LogLevel::Debug,
("[Worklet.Dump] %s", str.get()));
#ifdef ANDROID
__android_log_print(ANDROID_LOG_INFO, "Gecko", "%s", str.get());
#endif
fputs(str.get(), stdout);
fflush(stdout);
}
JS::RealmOptions WorkletGlobalScope::CreateRealmOptions() const {
JS::RealmOptions options;
options.creationOptions().setForceUTC(
ShouldResistFingerprinting(RFPTarget::JSDateTimeUTC));
options.creationOptions().setAlwaysUseFdlibm(
ShouldResistFingerprinting(RFPTarget::JSMathFdlibm));
if (ShouldResistFingerprinting(RFPTarget::JSLocale)) {
nsCString locale = nsRFPService::GetSpoofedJSLocale();
options.creationOptions().setLocaleCopyZ(locale.get());
}
// The SharedArrayBuffer global constructor property should not be present in
// a fresh global object when shared memory objects aren't allowed (because
// COOP/COEP support isn't enabled, or because COOP/COEP don't act to isolate
// this worklet to a separate process).
options.creationOptions().setDefineSharedArrayBufferConstructor(
IsSharedMemoryAllowed());
return options;
}
} // namespace mozilla::dom