mirror of
https://github.com/mozilla/gecko-dev.git
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371 lines
10 KiB
C++
371 lines
10 KiB
C++
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/* -*- 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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void
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ServiceWorkerRegistrationInfo::Clear()
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{
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if (mInstallingWorker) {
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mInstallingWorker->UpdateState(ServiceWorkerState::Redundant);
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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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nsresult rv = serviceWorkerScriptCache::PurgeCache(mPrincipal,
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mWaitingWorker->CacheName());
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if (NS_FAILED(rv)) {
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NS_WARNING("Failed to purge the waiting cache.");
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}
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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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nsresult rv = serviceWorkerScriptCache::PurgeCache(mPrincipal,
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mActiveWorker->CacheName());
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if (NS_FAILED(rv)) {
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NS_WARNING("Failed to purge the active cache.");
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}
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mActiveWorker->WorkerPrivate()->NoteDeadServiceWorkerInfo();
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mActiveWorker = nullptr;
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}
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RefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
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MOZ_ASSERT(swm);
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swm->InvalidateServiceWorkerRegistrationWorker(this,
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WhichServiceWorker::INSTALLING_WORKER |
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WhichServiceWorker::WAITING_WORKER |
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WhichServiceWorker::ACTIVE_WORKER);
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}
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ServiceWorkerRegistrationInfo::ServiceWorkerRegistrationInfo(const nsACString& aScope,
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nsIPrincipal* aPrincipal)
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: mControlledDocumentsCounter(0)
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, mUpdateState(NoUpdate)
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, mLastUpdateCheckTime(0)
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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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if (IsControllingDocuments()) {
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NS_WARNING("ServiceWorkerRegistrationInfo is still controlling documents. This can be a bug or a leak in ServiceWorker API or in any other API that takes the document alive.");
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}
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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::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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RefPtr<ServiceWorkerInfo> serviceWorker;
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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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nsCOMPtr<nsIRunnable> r =
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NS_NewRunnableMethod(this,
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&ServiceWorkerRegistrationInfo::TryToActivate);
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MOZ_ALWAYS_SUCCEEDS(NS_DispatchToMainThread(r));
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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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if (!IsControllingDocuments() ||
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// Waiting worker will be removed if the registration is removed
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(mWaitingWorker && mWaitingWorker->SkipWaitingFlag())) {
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Activate();
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}
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}
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void
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ServiceWorkerRegistrationInfo::PurgeActiveWorker()
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{
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RefPtr<ServiceWorkerInfo> exitingWorker = mActiveWorker.forget();
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if (!exitingWorker)
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return;
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// FIXME(jaoo): Bug 1170543 - Wait for exitingWorker to finish and terminate it.
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exitingWorker->UpdateState(ServiceWorkerState::Redundant);
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nsresult rv = serviceWorkerScriptCache::PurgeCache(mPrincipal,
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exitingWorker->CacheName());
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if (NS_FAILED(rv)) {
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NS_WARNING("Failed to purge the activating cache.");
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}
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RefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
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swm->InvalidateServiceWorkerRegistrationWorker(this, WhichServiceWorker::ACTIVE_WORKER);
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}
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void
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ServiceWorkerRegistrationInfo::Activate()
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{
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RefPtr<ServiceWorkerInfo> activatingWorker = mWaitingWorker;
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if (!activatingWorker) {
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return;
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}
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PurgeActiveWorker();
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RefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
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swm->InvalidateServiceWorkerRegistrationWorker(this, WhichServiceWorker::WAITING_WORKER);
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mActiveWorker = activatingWorker.forget();
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mWaitingWorker = nullptr;
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mActiveWorker->UpdateState(ServiceWorkerState::Activating);
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NotifyListenersOnChange();
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// FIXME(nsm): Unlink appcache if there is one.
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swm->CheckPendingReadyPromises();
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// "Queue a task to fire a simple event named controllerchange..."
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nsCOMPtr<nsIRunnable> controllerChangeRunnable =
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NS_NewRunnableMethodWithArg<RefPtr<ServiceWorkerRegistrationInfo>>(
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swm, &ServiceWorkerManager::FireControllerChange, this);
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NS_DispatchToMainThread(controllerChangeRunnable);
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nsCOMPtr<nsIRunnable> failRunnable =
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NS_NewRunnableMethodWithArg<bool>(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>(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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RefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
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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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mLastUpdateCheckTime = PR_IntervalNow() / PR_MSEC_PER_SEC;
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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 uint64_t kSecondsPerDay = 86400;
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const uint64_t now = PR_IntervalNow() / PR_MSEC_PER_SEC;
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if ((mLastUpdateCheckTime != 0) &&
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(now - mLastUpdateCheckTime > 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::NotifyListenersOnChange()
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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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END_WORKERS_NAMESPACE
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