gecko-dev/dom/serviceworkers/ServiceWorkerRegistrationIn...

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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 "ServiceWorkerRegistrationInfo.h"
#include "ServiceWorkerManager.h"
#include "ServiceWorkerPrivate.h"
#include "ServiceWorkerRegistrationListener.h"
namespace mozilla {
namespace dom {
namespace {
class ContinueActivateRunnable final : public LifeCycleEventCallback
{
nsMainThreadPtrHandle<ServiceWorkerRegistrationInfo> mRegistration;
bool mSuccess;
public:
explicit ContinueActivateRunnable(const nsMainThreadPtrHandle<ServiceWorkerRegistrationInfo>& aRegistration)
: mRegistration(aRegistration)
, mSuccess(false)
{
MOZ_ASSERT(NS_IsMainThread());
}
void
SetResult(bool aResult) override
{
mSuccess = aResult;
}
NS_IMETHOD
Run() override
{
MOZ_ASSERT(NS_IsMainThread());
mRegistration->FinishActivate(mSuccess);
mRegistration = nullptr;
return NS_OK;
}
};
} // anonymous namespace
void
ServiceWorkerRegistrationInfo::Clear()
{
if (mEvaluatingWorker) {
mEvaluatingWorker = nullptr;
}
RefPtr<ServiceWorkerInfo> installing = mInstallingWorker.forget();
RefPtr<ServiceWorkerInfo> waiting = mWaitingWorker.forget();
RefPtr<ServiceWorkerInfo> active = mActiveWorker.forget();
if (installing) {
installing->UpdateState(ServiceWorkerState::Redundant);
installing->UpdateRedundantTime();
installing->WorkerPrivate()->NoteDeadServiceWorkerInfo();
// FIXME(nsm): Abort any inflight requests from installing worker.
}
if (waiting) {
waiting->UpdateState(ServiceWorkerState::Redundant);
waiting->UpdateRedundantTime();
waiting->WorkerPrivate()->NoteDeadServiceWorkerInfo();
}
if (active) {
active->UpdateState(ServiceWorkerState::Redundant);
active->UpdateRedundantTime();
active->WorkerPrivate()->NoteDeadServiceWorkerInfo();
}
UpdateRegistrationState();
NotifyChromeRegistrationListeners();
}
void
ServiceWorkerRegistrationInfo::ClearAsCorrupt()
{
mCorrupt = true;
Clear();
}
bool
ServiceWorkerRegistrationInfo::IsCorrupt() const
{
return mCorrupt;
}
ServiceWorkerRegistrationInfo::ServiceWorkerRegistrationInfo(
const nsACString& aScope,
nsIPrincipal* aPrincipal,
ServiceWorkerUpdateViaCache aUpdateViaCache)
: mPrincipal(aPrincipal)
, mDescriptor(GetNextId(), GetNextVersion(), aPrincipal, aScope,
aUpdateViaCache)
, mControlledClientsCounter(0)
, mDelayMultiplier(0)
, mUpdateState(NoUpdate)
, mCreationTime(PR_Now())
, mCreationTimeStamp(TimeStamp::Now())
, mLastUpdateTime(0)
, mPendingUninstall(false)
, mCorrupt(false)
{
MOZ_ASSERT_IF(ServiceWorkerParentInterceptEnabled(),
XRE_GetProcessType() == GeckoProcessType_Default);
}
ServiceWorkerRegistrationInfo::~ServiceWorkerRegistrationInfo()
{
MOZ_DIAGNOSTIC_ASSERT(!IsControllingClients());
}
void
ServiceWorkerRegistrationInfo::AddInstance(ServiceWorkerRegistrationListener* aInstance,
const ServiceWorkerRegistrationDescriptor& aDescriptor)
{
MOZ_DIAGNOSTIC_ASSERT(aInstance);
MOZ_ASSERT(!mInstanceList.Contains(aInstance));
MOZ_DIAGNOSTIC_ASSERT(aDescriptor.Id() == mDescriptor.Id());
MOZ_DIAGNOSTIC_ASSERT(aDescriptor.PrincipalInfo() == mDescriptor.PrincipalInfo());
MOZ_DIAGNOSTIC_ASSERT(aDescriptor.Scope() == mDescriptor.Scope());
MOZ_DIAGNOSTIC_ASSERT(aDescriptor.Version() <= mDescriptor.Version());
uint64_t lastVersion = aDescriptor.Version();
for (auto& entry : mVersionList) {
if (lastVersion > entry->mDescriptor.Version()) {
continue;
}
lastVersion = entry->mDescriptor.Version();
aInstance->UpdateState(entry->mDescriptor);
}
// Note, the mDescriptor may be contained in the version list. Since the
// version list is aged out, though, it may also not be in the version list.
// So always check for the mDescriptor update here.
if (lastVersion < mDescriptor.Version()) {
aInstance->UpdateState(mDescriptor);
}
mInstanceList.AppendElement(aInstance);
}
void
ServiceWorkerRegistrationInfo::RemoveInstance(ServiceWorkerRegistrationListener* aInstance)
{
MOZ_DIAGNOSTIC_ASSERT(aInstance);
DebugOnly<bool> removed = mInstanceList.RemoveElement(aInstance);
MOZ_ASSERT(removed);
}
const nsCString&
ServiceWorkerRegistrationInfo::Scope() const
{
return mDescriptor.Scope();
}
nsIPrincipal*
ServiceWorkerRegistrationInfo::Principal() const
{
return mPrincipal;
}
bool
ServiceWorkerRegistrationInfo::IsPendingUninstall() const
{
return mPendingUninstall;
}
void
ServiceWorkerRegistrationInfo::SetPendingUninstall()
{
mPendingUninstall = true;
}
void
ServiceWorkerRegistrationInfo::ClearPendingUninstall()
{
// If we are resurrecting an uninstalling registration, then persist
// it to disk again. We preemptively removed it earlier during
// unregister so that closing the window by shutting down the browser
// results in the registration being gone on restart.
if (mPendingUninstall && mActiveWorker) {
RefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
if (swm) {
swm->StoreRegistration(mPrincipal, this);
}
}
mPendingUninstall = false;
}
NS_IMPL_ISUPPORTS(ServiceWorkerRegistrationInfo, nsIServiceWorkerRegistrationInfo)
NS_IMETHODIMP
ServiceWorkerRegistrationInfo::GetPrincipal(nsIPrincipal** aPrincipal)
{
MOZ_ASSERT(NS_IsMainThread());
NS_ADDREF(*aPrincipal = mPrincipal);
return NS_OK;
}
NS_IMETHODIMP
ServiceWorkerRegistrationInfo::GetScope(nsAString& aScope)
{
MOZ_ASSERT(NS_IsMainThread());
CopyUTF8toUTF16(Scope(), aScope);
return NS_OK;
}
NS_IMETHODIMP
ServiceWorkerRegistrationInfo::GetScriptSpec(nsAString& aScriptSpec)
{
MOZ_ASSERT(NS_IsMainThread());
RefPtr<ServiceWorkerInfo> newest = Newest();
if (newest) {
CopyUTF8toUTF16(newest->ScriptSpec(), aScriptSpec);
}
return NS_OK;
}
NS_IMETHODIMP
ServiceWorkerRegistrationInfo::GetUpdateViaCache(uint16_t* aUpdateViaCache)
{
*aUpdateViaCache = static_cast<uint16_t>(GetUpdateViaCache());
return NS_OK;
}
NS_IMETHODIMP
ServiceWorkerRegistrationInfo::GetLastUpdateTime(PRTime* _retval)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(_retval);
*_retval = mLastUpdateTime;
return NS_OK;
}
NS_IMETHODIMP
ServiceWorkerRegistrationInfo::GetInstallingWorker(nsIServiceWorkerInfo **aResult)
{
MOZ_ASSERT(NS_IsMainThread());
RefPtr<ServiceWorkerInfo> info = mInstallingWorker;
info.forget(aResult);
return NS_OK;
}
NS_IMETHODIMP
ServiceWorkerRegistrationInfo::GetWaitingWorker(nsIServiceWorkerInfo **aResult)
{
MOZ_ASSERT(NS_IsMainThread());
RefPtr<ServiceWorkerInfo> info = mWaitingWorker;
info.forget(aResult);
return NS_OK;
}
NS_IMETHODIMP
ServiceWorkerRegistrationInfo::GetActiveWorker(nsIServiceWorkerInfo **aResult)
{
MOZ_ASSERT(NS_IsMainThread());
RefPtr<ServiceWorkerInfo> info = mActiveWorker;
info.forget(aResult);
return NS_OK;
}
NS_IMETHODIMP
ServiceWorkerRegistrationInfo::GetWorkerByID(uint64_t aID, nsIServiceWorkerInfo **aResult)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(aResult);
RefPtr<ServiceWorkerInfo> info = GetServiceWorkerInfoById(aID);
// It is ok to return null for a missing service worker info.
info.forget(aResult);
return NS_OK;
}
NS_IMETHODIMP
ServiceWorkerRegistrationInfo::AddListener(
nsIServiceWorkerRegistrationInfoListener *aListener)
{
MOZ_ASSERT(NS_IsMainThread());
if (!aListener || mListeners.Contains(aListener)) {
return NS_ERROR_INVALID_ARG;
}
mListeners.AppendElement(aListener);
return NS_OK;
}
NS_IMETHODIMP
ServiceWorkerRegistrationInfo::RemoveListener(
nsIServiceWorkerRegistrationInfoListener *aListener)
{
MOZ_ASSERT(NS_IsMainThread());
if (!aListener || !mListeners.Contains(aListener)) {
return NS_ERROR_INVALID_ARG;
}
mListeners.RemoveElement(aListener);
return NS_OK;
}
already_AddRefed<ServiceWorkerInfo>
ServiceWorkerRegistrationInfo::GetServiceWorkerInfoById(uint64_t aId)
{
MOZ_ASSERT(NS_IsMainThread());
RefPtr<ServiceWorkerInfo> serviceWorker;
if (mEvaluatingWorker && mEvaluatingWorker->ID() == aId) {
serviceWorker = mEvaluatingWorker;
} else if (mInstallingWorker && mInstallingWorker->ID() == aId) {
serviceWorker = mInstallingWorker;
} else if (mWaitingWorker && mWaitingWorker->ID() == aId) {
serviceWorker = mWaitingWorker;
} else if (mActiveWorker && mActiveWorker->ID() == aId) {
serviceWorker = mActiveWorker;
}
return serviceWorker.forget();
}
void
ServiceWorkerRegistrationInfo::TryToActivateAsync()
{
MOZ_ALWAYS_SUCCEEDS(
NS_DispatchToMainThread(NewRunnableMethod("ServiceWorkerRegistrationInfo::TryToActivate",
this,
&ServiceWorkerRegistrationInfo::TryToActivate)));
}
/*
* TryToActivate should not be called directly, use TryToActivateAsync instead.
*/
void
ServiceWorkerRegistrationInfo::TryToActivate()
{
MOZ_ASSERT(NS_IsMainThread());
bool controlling = IsControllingClients();
bool skipWaiting = mWaitingWorker && mWaitingWorker->SkipWaitingFlag();
bool idle = IsIdle();
if (idle && (!controlling || skipWaiting)) {
Activate();
}
}
void
ServiceWorkerRegistrationInfo::Activate()
{
if (!mWaitingWorker) {
return;
}
RefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
if (!swm) {
// browser shutdown began during async activation step
return;
}
TransitionWaitingToActive();
// FIXME(nsm): Unlink appcache if there is one.
// "Queue a task to fire a simple event named controllerchange..."
MOZ_DIAGNOSTIC_ASSERT(mActiveWorker);
swm->UpdateClientControllers(this);
nsMainThreadPtrHandle<ServiceWorkerRegistrationInfo> handle(
new nsMainThreadPtrHolder<ServiceWorkerRegistrationInfo>(
"ServiceWorkerRegistrationInfoProxy", this));
RefPtr<LifeCycleEventCallback> callback = new ContinueActivateRunnable(handle);
ServiceWorkerPrivate* workerPrivate = mActiveWorker->WorkerPrivate();
MOZ_ASSERT(workerPrivate);
nsresult rv = workerPrivate->SendLifeCycleEvent(NS_LITERAL_STRING("activate"),
callback);
if (NS_WARN_IF(NS_FAILED(rv))) {
nsCOMPtr<nsIRunnable> failRunnable = NewRunnableMethod<bool>(
"dom::ServiceWorkerRegistrationInfo::FinishActivate",
this,
&ServiceWorkerRegistrationInfo::FinishActivate,
false /* success */);
MOZ_ALWAYS_SUCCEEDS(NS_DispatchToMainThread(failRunnable.forget()));
return;
}
}
void
ServiceWorkerRegistrationInfo::FinishActivate(bool aSuccess)
{
if (mPendingUninstall || !mActiveWorker ||
mActiveWorker->State() != ServiceWorkerState::Activating) {
return;
}
// Activation never fails, so aSuccess is ignored.
mActiveWorker->UpdateState(ServiceWorkerState::Activated);
mActiveWorker->UpdateActivatedTime();
UpdateRegistrationState();
NotifyChromeRegistrationListeners();
RefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
if (!swm) {
// browser shutdown started during async activation completion step
return;
}
swm->StoreRegistration(mPrincipal, this);
}
void
ServiceWorkerRegistrationInfo::RefreshLastUpdateCheckTime()
{
MOZ_ASSERT(NS_IsMainThread());
mLastUpdateTime =
mCreationTime + static_cast<PRTime>((TimeStamp::Now() -
mCreationTimeStamp).ToMicroseconds());
NotifyChromeRegistrationListeners();
}
bool
ServiceWorkerRegistrationInfo::IsLastUpdateCheckTimeOverOneDay() const
{
MOZ_ASSERT(NS_IsMainThread());
// For testing.
if (Preferences::GetBool("dom.serviceWorkers.testUpdateOverOneDay")) {
return true;
}
const int64_t kSecondsPerDay = 86400;
const int64_t nowMicros =
mCreationTime + static_cast<PRTime>((TimeStamp::Now() -
mCreationTimeStamp).ToMicroseconds());
// now < mLastUpdateTime if the system time is reset between storing
// and loading mLastUpdateTime from ServiceWorkerRegistrar.
if (nowMicros < mLastUpdateTime ||
(nowMicros - mLastUpdateTime) / PR_USEC_PER_SEC > kSecondsPerDay) {
return true;
}
return false;
}
void
ServiceWorkerRegistrationInfo::UpdateRegistrationState()
{
UpdateRegistrationState(mDescriptor.UpdateViaCache());
}
void
ServiceWorkerRegistrationInfo::UpdateRegistrationState(ServiceWorkerUpdateViaCache aUpdateViaCache)
{
MOZ_ASSERT(NS_IsMainThread());
TimeStamp oldest = TimeStamp::Now() - TimeDuration::FromSeconds(30);
if (!mVersionList.IsEmpty() && mVersionList[0]->mTimeStamp < oldest) {
nsTArray<UniquePtr<VersionEntry>> list;
mVersionList.SwapElements(list);
for (auto& entry : list) {
if (entry->mTimeStamp >= oldest) {
mVersionList.AppendElement(std::move(entry));
}
}
}
mVersionList.AppendElement(MakeUnique<VersionEntry>(mDescriptor));
// We are going to modify the descriptor, so increase its version number.
mDescriptor.SetVersion(GetNextVersion());
// Note, this also sets the new version number on the ServiceWorkerInfo
// objects before we copy over their updated descriptors.
mDescriptor.SetWorkers(mInstallingWorker, mWaitingWorker, mActiveWorker);
mDescriptor.SetUpdateViaCache(aUpdateViaCache);
nsTObserverArray<ServiceWorkerRegistrationListener*>::ForwardIterator it(mInstanceList);
while (it.HasMore()) {
RefPtr<ServiceWorkerRegistrationListener> target = it.GetNext();
target->UpdateState(mDescriptor);
}
}
void
ServiceWorkerRegistrationInfo::NotifyChromeRegistrationListeners()
{
nsTArray<nsCOMPtr<nsIServiceWorkerRegistrationInfoListener>> listeners(mListeners);
for (size_t index = 0; index < listeners.Length(); ++index) {
listeners[index]->OnChange();
}
}
void
ServiceWorkerRegistrationInfo::MaybeScheduleTimeCheckAndUpdate()
{
MOZ_ASSERT(NS_IsMainThread());
RefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
if (!swm) {
// shutting down, do nothing
return;
}
if (mUpdateState == NoUpdate) {
mUpdateState = NeedTimeCheckAndUpdate;
}
swm->ScheduleUpdateTimer(mPrincipal, Scope());
}
void
ServiceWorkerRegistrationInfo::MaybeScheduleUpdate()
{
MOZ_ASSERT(NS_IsMainThread());
RefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
if (!swm) {
// shutting down, do nothing
return;
}
mUpdateState = NeedUpdate;
swm->ScheduleUpdateTimer(mPrincipal, Scope());
}
bool
ServiceWorkerRegistrationInfo::CheckAndClearIfUpdateNeeded()
{
MOZ_ASSERT(NS_IsMainThread());
bool result = mUpdateState == NeedUpdate ||
(mUpdateState == NeedTimeCheckAndUpdate &&
IsLastUpdateCheckTimeOverOneDay());
mUpdateState = NoUpdate;
return result;
}
ServiceWorkerInfo*
ServiceWorkerRegistrationInfo::GetEvaluating() const
{
MOZ_ASSERT(NS_IsMainThread());
return mEvaluatingWorker;
}
ServiceWorkerInfo*
ServiceWorkerRegistrationInfo::GetInstalling() const
{
MOZ_ASSERT(NS_IsMainThread());
return mInstallingWorker;
}
ServiceWorkerInfo*
ServiceWorkerRegistrationInfo::GetWaiting() const
{
MOZ_ASSERT(NS_IsMainThread());
return mWaitingWorker;
}
ServiceWorkerInfo*
ServiceWorkerRegistrationInfo::GetActive() const
{
MOZ_ASSERT(NS_IsMainThread());
return mActiveWorker;
}
ServiceWorkerInfo*
ServiceWorkerRegistrationInfo::GetByDescriptor(const ServiceWorkerDescriptor& aDescriptor) const
{
if (mActiveWorker && mActiveWorker->Descriptor().Matches(aDescriptor)) {
return mActiveWorker;
}
if (mWaitingWorker && mWaitingWorker->Descriptor().Matches(aDescriptor)) {
return mWaitingWorker;
}
if (mInstallingWorker && mInstallingWorker->Descriptor().Matches(aDescriptor)) {
return mInstallingWorker;
}
if (mEvaluatingWorker && mEvaluatingWorker->Descriptor().Matches(aDescriptor)) {
return mEvaluatingWorker;
}
return nullptr;
}
void
ServiceWorkerRegistrationInfo::SetEvaluating(ServiceWorkerInfo* aServiceWorker)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(aServiceWorker);
MOZ_ASSERT(!mEvaluatingWorker);
MOZ_ASSERT(!mInstallingWorker);
MOZ_ASSERT(mWaitingWorker != aServiceWorker);
MOZ_ASSERT(mActiveWorker != aServiceWorker);
mEvaluatingWorker = aServiceWorker;
}
void
ServiceWorkerRegistrationInfo::ClearEvaluating()
{
MOZ_ASSERT(NS_IsMainThread());
if (!mEvaluatingWorker) {
return;
}
mEvaluatingWorker->UpdateState(ServiceWorkerState::Redundant);
// We don't update the redundant time for the sw here, since we've not expose
// evalutingWorker yet.
mEvaluatingWorker = nullptr;
}
void
ServiceWorkerRegistrationInfo::ClearInstalling()
{
MOZ_ASSERT(NS_IsMainThread());
if (!mInstallingWorker) {
return;
}
RefPtr<ServiceWorkerInfo> installing = mInstallingWorker.forget();
installing->UpdateState(ServiceWorkerState::Redundant);
installing->UpdateRedundantTime();
UpdateRegistrationState();
NotifyChromeRegistrationListeners();
}
void
ServiceWorkerRegistrationInfo::TransitionEvaluatingToInstalling()
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(mEvaluatingWorker);
MOZ_ASSERT(!mInstallingWorker);
mInstallingWorker = mEvaluatingWorker.forget();
mInstallingWorker->UpdateState(ServiceWorkerState::Installing);
UpdateRegistrationState();
NotifyChromeRegistrationListeners();
}
void
ServiceWorkerRegistrationInfo::TransitionInstallingToWaiting()
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(mInstallingWorker);
if (mWaitingWorker) {
MOZ_ASSERT(mInstallingWorker->CacheName() != mWaitingWorker->CacheName());
mWaitingWorker->UpdateState(ServiceWorkerState::Redundant);
mWaitingWorker->UpdateRedundantTime();
}
mWaitingWorker = mInstallingWorker.forget();
mWaitingWorker->UpdateState(ServiceWorkerState::Installed);
mWaitingWorker->UpdateInstalledTime();
UpdateRegistrationState();
NotifyChromeRegistrationListeners();
// TODO: When bug 1426401 is implemented we will need to call
// StoreRegistration() here to persist the waiting worker.
}
void
ServiceWorkerRegistrationInfo::SetActive(ServiceWorkerInfo* aServiceWorker)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(aServiceWorker);
// TODO: Assert installing, waiting, and active are nullptr once the SWM
// moves to the parent process. After that happens this code will
// only run for browser initialization and not for cross-process
// overrides.
MOZ_ASSERT(mInstallingWorker != aServiceWorker);
MOZ_ASSERT(mWaitingWorker != aServiceWorker);
MOZ_ASSERT(mActiveWorker != aServiceWorker);
if (mActiveWorker) {
MOZ_ASSERT(aServiceWorker->CacheName() != mActiveWorker->CacheName());
mActiveWorker->UpdateState(ServiceWorkerState::Redundant);
mActiveWorker->UpdateRedundantTime();
}
// The active worker is being overriden due to initial load or
// another process activating a worker. Move straight to the
// Activated state.
mActiveWorker = aServiceWorker;
mActiveWorker->SetActivateStateUncheckedWithoutEvent(ServiceWorkerState::Activated);
// We don't need to update activated time when we load registration from
// registrar.
UpdateRegistrationState();
NotifyChromeRegistrationListeners();
}
void
ServiceWorkerRegistrationInfo::TransitionWaitingToActive()
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(mWaitingWorker);
if (mActiveWorker) {
MOZ_ASSERT(mWaitingWorker->CacheName() != mActiveWorker->CacheName());
mActiveWorker->UpdateState(ServiceWorkerState::Redundant);
mActiveWorker->UpdateRedundantTime();
}
// We are transitioning from waiting to active normally, so go to
// the activating state.
mActiveWorker = mWaitingWorker.forget();
mActiveWorker->UpdateState(ServiceWorkerState::Activating);
nsCOMPtr<nsIRunnable> r =
NS_NewRunnableFunction("ServiceWorkerRegistrationInfo::TransitionWaitingToActive",
[] {
RefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
if (swm) {
swm->CheckPendingReadyPromises();
}
});
MOZ_ALWAYS_SUCCEEDS(SystemGroup::Dispatch(TaskCategory::Other, r.forget()));
UpdateRegistrationState();
NotifyChromeRegistrationListeners();
}
bool
ServiceWorkerRegistrationInfo::IsIdle() const
{
return !mActiveWorker || mActiveWorker->WorkerPrivate()->IsIdle();
}
ServiceWorkerUpdateViaCache
ServiceWorkerRegistrationInfo::GetUpdateViaCache() const
{
return mDescriptor.UpdateViaCache();
}
void
ServiceWorkerRegistrationInfo::SetUpdateViaCache(
ServiceWorkerUpdateViaCache aUpdateViaCache)
{
UpdateRegistrationState(aUpdateViaCache);
}
int64_t
ServiceWorkerRegistrationInfo::GetLastUpdateTime() const
{
return mLastUpdateTime;
}
void
ServiceWorkerRegistrationInfo::SetLastUpdateTime(const int64_t aTime)
{
if (aTime == 0) {
return;
}
mLastUpdateTime = aTime;
}
const ServiceWorkerRegistrationDescriptor&
ServiceWorkerRegistrationInfo::Descriptor() const
{
return mDescriptor;
}
uint64_t
ServiceWorkerRegistrationInfo::Id() const
{
return mDescriptor.Id();
}
uint64_t
ServiceWorkerRegistrationInfo::Version() const
{
return mDescriptor.Version();
}
uint32_t
ServiceWorkerRegistrationInfo::GetUpdateDelay()
{
uint32_t delay = Preferences::GetInt("dom.serviceWorkers.update_delay",
1000);
// This can potentially happen if you spam registration->Update(). We don't
// want to wrap to a lower value.
if (mDelayMultiplier >= INT_MAX / (delay ? delay : 1)) {
return INT_MAX;
}
delay *= mDelayMultiplier;
if (!mControlledClientsCounter && mDelayMultiplier < (INT_MAX / 30)) {
mDelayMultiplier = (mDelayMultiplier ? mDelayMultiplier : 1) * 30;
}
return delay;
}
void
ServiceWorkerRegistrationInfo::NotifyRemoved()
{
nsTObserverArray<ServiceWorkerRegistrationListener*>::ForwardIterator it(mInstanceList);
while (it.HasMore()) {
RefPtr<ServiceWorkerRegistrationListener> target = it.GetNext();
target->RegistrationRemoved();
}
}
// static
uint64_t
ServiceWorkerRegistrationInfo::GetNextId()
{
MOZ_ASSERT(NS_IsMainThread());
static uint64_t sNextId = 0;
return ++sNextId;
}
// static
uint64_t
ServiceWorkerRegistrationInfo::GetNextVersion()
{
MOZ_ASSERT(NS_IsMainThread());
static uint64_t sNextVersion = 0;
return ++sNextVersion;
}
} // namespace dom
} // namespace mozilla