зеркало из https://github.com/mozilla/gecko-dev.git
671 строка
18 KiB
C++
671 строка
18 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "ServiceWorkerRegistrationInfo.h"
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BEGIN_WORKERS_NAMESPACE
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namespace {
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class ContinueActivateRunnable final : public LifeCycleEventCallback
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{
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nsMainThreadPtrHandle<ServiceWorkerRegistrationInfo> mRegistration;
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bool mSuccess;
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public:
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explicit ContinueActivateRunnable(const nsMainThreadPtrHandle<ServiceWorkerRegistrationInfo>& aRegistration)
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: mRegistration(aRegistration)
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, mSuccess(false)
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{
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AssertIsOnMainThread();
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}
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void
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SetResult(bool aResult) override
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{
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mSuccess = aResult;
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}
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NS_IMETHOD
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Run() override
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{
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AssertIsOnMainThread();
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mRegistration->FinishActivate(mSuccess);
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mRegistration = nullptr;
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return NS_OK;
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}
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};
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} // anonymous namespace
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void
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ServiceWorkerRegistrationInfo::Clear()
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{
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if (mEvaluatingWorker) {
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mEvaluatingWorker = nullptr;
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}
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UpdateRegistrationStateProperties(WhichServiceWorker::INSTALLING_WORKER |
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WhichServiceWorker::WAITING_WORKER |
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WhichServiceWorker::ACTIVE_WORKER, Invalidate);
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if (mInstallingWorker) {
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mInstallingWorker->UpdateState(ServiceWorkerState::Redundant);
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mInstallingWorker->UpdateRedundantTime();
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mInstallingWorker->WorkerPrivate()->NoteDeadServiceWorkerInfo();
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mInstallingWorker = nullptr;
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// FIXME(nsm): Abort any inflight requests from installing worker.
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}
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if (mWaitingWorker) {
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mWaitingWorker->UpdateState(ServiceWorkerState::Redundant);
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mWaitingWorker->UpdateRedundantTime();
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mWaitingWorker->WorkerPrivate()->NoteDeadServiceWorkerInfo();
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mWaitingWorker = nullptr;
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}
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if (mActiveWorker) {
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mActiveWorker->UpdateState(ServiceWorkerState::Redundant);
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mActiveWorker->UpdateRedundantTime();
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mActiveWorker->WorkerPrivate()->NoteDeadServiceWorkerInfo();
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mActiveWorker = nullptr;
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}
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NotifyChromeRegistrationListeners();
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}
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ServiceWorkerRegistrationInfo::ServiceWorkerRegistrationInfo(
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const nsACString& aScope,
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nsIPrincipal* aPrincipal,
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ServiceWorkerUpdateViaCache aUpdateViaCache)
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: mControlledClientsCounter(0)
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, mUpdateState(NoUpdate)
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, mCreationTime(PR_Now())
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, mCreationTimeStamp(TimeStamp::Now())
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, mLastUpdateTime(0)
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, mUpdateViaCache(aUpdateViaCache)
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, mScope(aScope)
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, mPrincipal(aPrincipal)
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, mPendingUninstall(false)
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{}
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ServiceWorkerRegistrationInfo::~ServiceWorkerRegistrationInfo()
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{
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MOZ_DIAGNOSTIC_ASSERT(!IsControllingClients());
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}
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NS_IMPL_ISUPPORTS(ServiceWorkerRegistrationInfo, nsIServiceWorkerRegistrationInfo)
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NS_IMETHODIMP
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ServiceWorkerRegistrationInfo::GetPrincipal(nsIPrincipal** aPrincipal)
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{
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AssertIsOnMainThread();
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NS_ADDREF(*aPrincipal = mPrincipal);
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return NS_OK;
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}
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NS_IMETHODIMP
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ServiceWorkerRegistrationInfo::GetScope(nsAString& aScope)
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{
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AssertIsOnMainThread();
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CopyUTF8toUTF16(mScope, aScope);
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return NS_OK;
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}
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NS_IMETHODIMP
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ServiceWorkerRegistrationInfo::GetScriptSpec(nsAString& aScriptSpec)
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{
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AssertIsOnMainThread();
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RefPtr<ServiceWorkerInfo> newest = Newest();
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if (newest) {
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CopyUTF8toUTF16(newest->ScriptSpec(), aScriptSpec);
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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ServiceWorkerRegistrationInfo::GetUpdateViaCache(uint16_t* aUpdateViaCache)
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{
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*aUpdateViaCache = static_cast<uint16_t>(GetUpdateViaCache());
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return NS_OK;
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}
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NS_IMETHODIMP
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ServiceWorkerRegistrationInfo::GetLastUpdateTime(PRTime* _retval)
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{
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AssertIsOnMainThread();
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MOZ_ASSERT(_retval);
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*_retval = mLastUpdateTime;
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return NS_OK;
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}
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NS_IMETHODIMP
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ServiceWorkerRegistrationInfo::GetInstallingWorker(nsIServiceWorkerInfo **aResult)
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{
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AssertIsOnMainThread();
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nsCOMPtr<nsIServiceWorkerInfo> info = do_QueryInterface(mInstallingWorker);
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info.forget(aResult);
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return NS_OK;
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}
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NS_IMETHODIMP
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ServiceWorkerRegistrationInfo::GetWaitingWorker(nsIServiceWorkerInfo **aResult)
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{
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AssertIsOnMainThread();
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nsCOMPtr<nsIServiceWorkerInfo> info = do_QueryInterface(mWaitingWorker);
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info.forget(aResult);
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return NS_OK;
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}
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NS_IMETHODIMP
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ServiceWorkerRegistrationInfo::GetActiveWorker(nsIServiceWorkerInfo **aResult)
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{
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AssertIsOnMainThread();
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nsCOMPtr<nsIServiceWorkerInfo> info = do_QueryInterface(mActiveWorker);
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info.forget(aResult);
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return NS_OK;
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}
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NS_IMETHODIMP
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ServiceWorkerRegistrationInfo::GetWorkerByID(uint64_t aID, nsIServiceWorkerInfo **aResult)
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{
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AssertIsOnMainThread();
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MOZ_ASSERT(aResult);
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RefPtr<ServiceWorkerInfo> info = GetServiceWorkerInfoById(aID);
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// It is ok to return null for a missing service worker info.
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info.forget(aResult);
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return NS_OK;
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}
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NS_IMETHODIMP
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ServiceWorkerRegistrationInfo::AddListener(
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nsIServiceWorkerRegistrationInfoListener *aListener)
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{
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AssertIsOnMainThread();
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if (!aListener || mListeners.Contains(aListener)) {
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return NS_ERROR_INVALID_ARG;
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}
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mListeners.AppendElement(aListener);
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return NS_OK;
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}
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NS_IMETHODIMP
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ServiceWorkerRegistrationInfo::RemoveListener(
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nsIServiceWorkerRegistrationInfoListener *aListener)
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{
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AssertIsOnMainThread();
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if (!aListener || !mListeners.Contains(aListener)) {
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return NS_ERROR_INVALID_ARG;
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}
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mListeners.RemoveElement(aListener);
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return NS_OK;
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}
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already_AddRefed<ServiceWorkerInfo>
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ServiceWorkerRegistrationInfo::GetServiceWorkerInfoById(uint64_t aId)
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{
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AssertIsOnMainThread();
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RefPtr<ServiceWorkerInfo> serviceWorker;
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if (mEvaluatingWorker && mEvaluatingWorker->ID() == aId) {
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serviceWorker = mEvaluatingWorker;
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} else if (mInstallingWorker && mInstallingWorker->ID() == aId) {
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serviceWorker = mInstallingWorker;
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} else if (mWaitingWorker && mWaitingWorker->ID() == aId) {
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serviceWorker = mWaitingWorker;
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} else if (mActiveWorker && mActiveWorker->ID() == aId) {
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serviceWorker = mActiveWorker;
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}
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return serviceWorker.forget();
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}
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void
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ServiceWorkerRegistrationInfo::TryToActivateAsync()
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{
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MOZ_ALWAYS_SUCCEEDS(
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NS_DispatchToMainThread(NewRunnableMethod("ServiceWorkerRegistrationInfo::TryToActivate",
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this,
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&ServiceWorkerRegistrationInfo::TryToActivate)));
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}
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/*
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* TryToActivate should not be called directly, use TryToActivateAsync instead.
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*/
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void
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ServiceWorkerRegistrationInfo::TryToActivate()
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{
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AssertIsOnMainThread();
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bool controlling = IsControllingClients();
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bool skipWaiting = mWaitingWorker && mWaitingWorker->SkipWaitingFlag();
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bool idle = IsIdle();
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if (idle && (!controlling || skipWaiting)) {
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Activate();
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}
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}
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void
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ServiceWorkerRegistrationInfo::Activate()
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{
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if (!mWaitingWorker) {
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return;
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}
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RefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
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if (!swm) {
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// browser shutdown began during async activation step
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return;
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}
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TransitionWaitingToActive();
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// FIXME(nsm): Unlink appcache if there is one.
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// "Queue a task to fire a simple event named controllerchange..."
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MOZ_DIAGNOSTIC_ASSERT(mActiveWorker);
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swm->UpdateClientControllers(this);
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nsCOMPtr<nsIRunnable> failRunnable = NewRunnableMethod<bool>(
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"dom::workers::ServiceWorkerRegistrationInfo::FinishActivate",
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this,
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&ServiceWorkerRegistrationInfo::FinishActivate,
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false /* success */);
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nsMainThreadPtrHandle<ServiceWorkerRegistrationInfo> handle(
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new nsMainThreadPtrHolder<ServiceWorkerRegistrationInfo>(
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"ServiceWorkerRegistrationInfoProxy", this));
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RefPtr<LifeCycleEventCallback> callback = new ContinueActivateRunnable(handle);
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ServiceWorkerPrivate* workerPrivate = mActiveWorker->WorkerPrivate();
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MOZ_ASSERT(workerPrivate);
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nsresult rv = workerPrivate->SendLifeCycleEvent(NS_LITERAL_STRING("activate"),
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callback, failRunnable);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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MOZ_ALWAYS_SUCCEEDS(NS_DispatchToMainThread(failRunnable));
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return;
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}
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}
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void
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ServiceWorkerRegistrationInfo::FinishActivate(bool aSuccess)
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{
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if (mPendingUninstall || !mActiveWorker ||
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mActiveWorker->State() != ServiceWorkerState::Activating) {
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return;
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}
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// Activation never fails, so aSuccess is ignored.
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mActiveWorker->UpdateState(ServiceWorkerState::Activated);
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mActiveWorker->UpdateActivatedTime();
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NotifyChromeRegistrationListeners();
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RefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
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if (!swm) {
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// browser shutdown started during async activation completion step
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return;
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}
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swm->StoreRegistration(mPrincipal, this);
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}
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void
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ServiceWorkerRegistrationInfo::RefreshLastUpdateCheckTime()
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{
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AssertIsOnMainThread();
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mLastUpdateTime =
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mCreationTime + static_cast<PRTime>((TimeStamp::Now() -
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mCreationTimeStamp).ToMicroseconds());
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NotifyChromeRegistrationListeners();
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}
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bool
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ServiceWorkerRegistrationInfo::IsLastUpdateCheckTimeOverOneDay() const
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{
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AssertIsOnMainThread();
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// For testing.
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if (Preferences::GetBool("dom.serviceWorkers.testUpdateOverOneDay")) {
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return true;
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}
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const int64_t kSecondsPerDay = 86400;
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const int64_t nowMicros =
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mCreationTime + static_cast<PRTime>((TimeStamp::Now() -
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mCreationTimeStamp).ToMicroseconds());
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// now < mLastUpdateTime if the system time is reset between storing
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// and loading mLastUpdateTime from ServiceWorkerRegistrar.
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if (nowMicros < mLastUpdateTime ||
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(nowMicros - mLastUpdateTime) / PR_USEC_PER_SEC > kSecondsPerDay) {
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return true;
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}
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return false;
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}
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void
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ServiceWorkerRegistrationInfo::AsyncUpdateRegistrationStateProperties(WhichServiceWorker aWorker,
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TransitionType aTransition)
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{
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AssertIsOnMainThread();
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RefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
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if (!swm) {
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// browser shutdown started during this async step
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return;
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}
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if (aTransition == Invalidate) {
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swm->InvalidateServiceWorkerRegistrationWorker(this, aWorker);
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} else {
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MOZ_ASSERT(aTransition == TransitionToNextState);
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swm->TransitionServiceWorkerRegistrationWorker(this, aWorker);
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if (aWorker == WhichServiceWorker::WAITING_WORKER) {
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swm->CheckPendingReadyPromises();
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}
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}
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}
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void
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ServiceWorkerRegistrationInfo::UpdateRegistrationStateProperties(WhichServiceWorker aWorker,
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TransitionType aTransition)
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{
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AssertIsOnMainThread();
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nsCOMPtr<nsIRunnable> runnable =
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NewRunnableMethod<WhichServiceWorker, TransitionType>(
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"dom::workers::ServiceWorkerRegistrationInfo::"
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"AsyncUpdateRegistrationStateProperties",
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this,
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&ServiceWorkerRegistrationInfo::AsyncUpdateRegistrationStateProperties,
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aWorker,
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aTransition);
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MOZ_ALWAYS_SUCCEEDS(NS_DispatchToMainThread(runnable.forget()));
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}
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void
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ServiceWorkerRegistrationInfo::NotifyChromeRegistrationListeners()
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{
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nsTArray<nsCOMPtr<nsIServiceWorkerRegistrationInfoListener>> listeners(mListeners);
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for (size_t index = 0; index < listeners.Length(); ++index) {
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listeners[index]->OnChange();
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}
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}
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void
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ServiceWorkerRegistrationInfo::MaybeScheduleTimeCheckAndUpdate()
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{
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AssertIsOnMainThread();
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RefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
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if (!swm) {
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// shutting down, do nothing
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return;
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}
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if (mUpdateState == NoUpdate) {
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mUpdateState = NeedTimeCheckAndUpdate;
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}
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swm->ScheduleUpdateTimer(mPrincipal, mScope);
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}
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void
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ServiceWorkerRegistrationInfo::MaybeScheduleUpdate()
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{
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AssertIsOnMainThread();
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RefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
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if (!swm) {
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// shutting down, do nothing
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return;
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}
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mUpdateState = NeedUpdate;
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swm->ScheduleUpdateTimer(mPrincipal, mScope);
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}
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bool
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ServiceWorkerRegistrationInfo::CheckAndClearIfUpdateNeeded()
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{
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AssertIsOnMainThread();
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bool result = mUpdateState == NeedUpdate ||
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(mUpdateState == NeedTimeCheckAndUpdate &&
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IsLastUpdateCheckTimeOverOneDay());
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mUpdateState = NoUpdate;
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return result;
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}
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ServiceWorkerInfo*
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ServiceWorkerRegistrationInfo::GetEvaluating() const
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{
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AssertIsOnMainThread();
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return mEvaluatingWorker;
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}
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ServiceWorkerInfo*
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ServiceWorkerRegistrationInfo::GetInstalling() const
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{
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AssertIsOnMainThread();
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return mInstallingWorker;
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}
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ServiceWorkerInfo*
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ServiceWorkerRegistrationInfo::GetWaiting() const
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{
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AssertIsOnMainThread();
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return mWaitingWorker;
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}
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ServiceWorkerInfo*
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ServiceWorkerRegistrationInfo::GetActive() const
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{
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AssertIsOnMainThread();
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return mActiveWorker;
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}
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ServiceWorkerInfo*
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ServiceWorkerRegistrationInfo::GetByID(uint64_t aID) const
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{
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if (mActiveWorker && mActiveWorker->ID() == aID) {
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return mActiveWorker;
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}
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if (mWaitingWorker && mWaitingWorker->ID() == aID) {
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return mWaitingWorker;
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}
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if (mInstallingWorker && mInstallingWorker->ID() == aID) {
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return mInstallingWorker;
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}
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if (mEvaluatingWorker && mEvaluatingWorker->ID() == aID) {
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return mEvaluatingWorker;
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}
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return nullptr;
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}
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void
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ServiceWorkerRegistrationInfo::SetEvaluating(ServiceWorkerInfo* aServiceWorker)
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{
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AssertIsOnMainThread();
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MOZ_ASSERT(aServiceWorker);
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MOZ_ASSERT(!mEvaluatingWorker);
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MOZ_ASSERT(!mInstallingWorker);
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MOZ_ASSERT(mWaitingWorker != aServiceWorker);
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MOZ_ASSERT(mActiveWorker != aServiceWorker);
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mEvaluatingWorker = aServiceWorker;
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}
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void
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ServiceWorkerRegistrationInfo::ClearEvaluating()
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{
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AssertIsOnMainThread();
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if (!mEvaluatingWorker) {
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return;
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}
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mEvaluatingWorker->UpdateState(ServiceWorkerState::Redundant);
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// We don't update the redundant time for the sw here, since we've not expose
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// evalutingWorker yet.
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mEvaluatingWorker = nullptr;
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}
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void
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ServiceWorkerRegistrationInfo::ClearInstalling()
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{
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AssertIsOnMainThread();
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if (!mInstallingWorker) {
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return;
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}
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UpdateRegistrationStateProperties(WhichServiceWorker::INSTALLING_WORKER,
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Invalidate);
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mInstallingWorker->UpdateState(ServiceWorkerState::Redundant);
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mInstallingWorker->UpdateRedundantTime();
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mInstallingWorker = nullptr;
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NotifyChromeRegistrationListeners();
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}
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void
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ServiceWorkerRegistrationInfo::TransitionEvaluatingToInstalling()
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{
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AssertIsOnMainThread();
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MOZ_ASSERT(mEvaluatingWorker);
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MOZ_ASSERT(!mInstallingWorker);
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mInstallingWorker = mEvaluatingWorker.forget();
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mInstallingWorker->UpdateState(ServiceWorkerState::Installing);
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NotifyChromeRegistrationListeners();
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}
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void
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ServiceWorkerRegistrationInfo::TransitionInstallingToWaiting()
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{
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AssertIsOnMainThread();
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MOZ_ASSERT(mInstallingWorker);
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if (mWaitingWorker) {
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MOZ_ASSERT(mInstallingWorker->CacheName() != mWaitingWorker->CacheName());
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mWaitingWorker->UpdateState(ServiceWorkerState::Redundant);
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mWaitingWorker->UpdateRedundantTime();
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}
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mWaitingWorker = mInstallingWorker.forget();
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UpdateRegistrationStateProperties(WhichServiceWorker::INSTALLING_WORKER,
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TransitionToNextState);
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mWaitingWorker->UpdateState(ServiceWorkerState::Installed);
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mWaitingWorker->UpdateInstalledTime();
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NotifyChromeRegistrationListeners();
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RefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
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if (!swm) {
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// browser shutdown began
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return;
|
|
}
|
|
swm->StoreRegistration(mPrincipal, this);
|
|
}
|
|
|
|
void
|
|
ServiceWorkerRegistrationInfo::SetActive(ServiceWorkerInfo* aServiceWorker)
|
|
{
|
|
AssertIsOnMainThread();
|
|
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.
|
|
UpdateRegistrationStateProperties(WhichServiceWorker::ACTIVE_WORKER, Invalidate);
|
|
NotifyChromeRegistrationListeners();
|
|
}
|
|
|
|
void
|
|
ServiceWorkerRegistrationInfo::TransitionWaitingToActive()
|
|
{
|
|
AssertIsOnMainThread();
|
|
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();
|
|
UpdateRegistrationStateProperties(WhichServiceWorker::WAITING_WORKER,
|
|
TransitionToNextState);
|
|
mActiveWorker->UpdateState(ServiceWorkerState::Activating);
|
|
NotifyChromeRegistrationListeners();
|
|
}
|
|
|
|
bool
|
|
ServiceWorkerRegistrationInfo::IsIdle() const
|
|
{
|
|
return !mActiveWorker || mActiveWorker->WorkerPrivate()->IsIdle();
|
|
}
|
|
|
|
ServiceWorkerUpdateViaCache
|
|
ServiceWorkerRegistrationInfo::GetUpdateViaCache() const
|
|
{
|
|
return mUpdateViaCache;
|
|
}
|
|
|
|
void
|
|
ServiceWorkerRegistrationInfo::SetUpdateViaCache(
|
|
ServiceWorkerUpdateViaCache aUpdateViaCache)
|
|
{
|
|
mUpdateViaCache = aUpdateViaCache;
|
|
}
|
|
|
|
int64_t
|
|
ServiceWorkerRegistrationInfo::GetLastUpdateTime() const
|
|
{
|
|
return mLastUpdateTime;
|
|
}
|
|
|
|
void
|
|
ServiceWorkerRegistrationInfo::SetLastUpdateTime(const int64_t aTime)
|
|
{
|
|
if (aTime == 0) {
|
|
return;
|
|
}
|
|
|
|
mLastUpdateTime = aTime;
|
|
}
|
|
|
|
END_WORKERS_NAMESPACE
|