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33bb32f549
This patch was automatically generated using the following script:
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-type f \
\( -iname "*.cpp" \
-o -iname "*.h" \
-o -iname "*.c" \
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convert MOZ_OVERRIDE override
convert MOZ_FINAL final
512 lines
13 KiB
C++
512 lines
13 KiB
C++
/* 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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#ifndef mozilla_dom_workers_serviceworkermanager_h
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#define mozilla_dom_workers_serviceworkermanager_h
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#include "nsIServiceWorkerManager.h"
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#include "nsCOMPtr.h"
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#include "ipc/IPCMessageUtils.h"
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#include "mozilla/Attributes.h"
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#include "mozilla/LinkedList.h"
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#include "mozilla/Preferences.h"
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#include "mozilla/TypedEnumBits.h"
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#include "mozilla/WeakPtr.h"
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#include "mozilla/dom/BindingUtils.h"
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#include "mozilla/dom/Promise.h"
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#include "mozilla/dom/ServiceWorkerBinding.h" // For ServiceWorkerState
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#include "mozilla/dom/ServiceWorkerCommon.h"
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#include "mozilla/dom/ServiceWorkerRegistrar.h"
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#include "mozilla/dom/ServiceWorkerRegistrarTypes.h"
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#include "mozilla/ipc/BackgroundUtils.h"
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#include "nsIIPCBackgroundChildCreateCallback.h"
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#include "nsClassHashtable.h"
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#include "nsDataHashtable.h"
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#include "nsRefPtrHashtable.h"
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#include "nsTArrayForwardDeclare.h"
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#include "nsTObserverArray.h"
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class nsIScriptError;
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namespace mozilla {
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namespace ipc {
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class BackgroundChild;
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}
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namespace dom {
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class ServiceWorkerRegistration;
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namespace workers {
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class ServiceWorker;
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class ServiceWorkerClientInfo;
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class ServiceWorkerInfo;
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class ServiceWorkerJobQueue;
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class ServiceWorkerJob : public nsISupports
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{
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protected:
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// The queue keeps the jobs alive, so they can hold a rawptr back to the
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// queue.
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ServiceWorkerJobQueue* mQueue;
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public:
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NS_DECL_ISUPPORTS
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virtual void Start() = 0;
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protected:
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explicit ServiceWorkerJob(ServiceWorkerJobQueue* aQueue)
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: mQueue(aQueue)
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{
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}
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virtual ~ServiceWorkerJob()
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{ }
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void
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Done(nsresult aStatus);
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};
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class ServiceWorkerJobQueue final
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{
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friend class ServiceWorkerJob;
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nsTArray<nsRefPtr<ServiceWorkerJob>> mJobs;
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public:
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~ServiceWorkerJobQueue()
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{
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if (!mJobs.IsEmpty()) {
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NS_WARNING("Pending/running jobs still around on shutdown!");
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}
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}
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void
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Append(ServiceWorkerJob* aJob)
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{
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MOZ_ASSERT(aJob);
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MOZ_ASSERT(!mJobs.Contains(aJob));
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bool wasEmpty = mJobs.IsEmpty();
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mJobs.AppendElement(aJob);
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if (wasEmpty) {
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aJob->Start();
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}
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}
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// Only used by HandleError, keep it that way!
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ServiceWorkerJob*
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Peek()
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{
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MOZ_ASSERT(!mJobs.IsEmpty());
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return mJobs[0];
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}
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private:
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void
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Pop()
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{
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MOZ_ASSERT(!mJobs.IsEmpty());
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mJobs.RemoveElementAt(0);
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if (!mJobs.IsEmpty()) {
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mJobs[0]->Start();
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}
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}
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void
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Done(ServiceWorkerJob* aJob)
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{
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MOZ_ASSERT(!mJobs.IsEmpty());
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MOZ_ASSERT(mJobs[0] == aJob);
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Pop();
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}
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};
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// Needs to inherit from nsISupports because NS_ProxyRelease() does not support
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// non-ISupports classes.
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class ServiceWorkerRegistrationInfo final : public nsISupports
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{
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uint32_t mControlledDocumentsCounter;
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virtual ~ServiceWorkerRegistrationInfo();
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public:
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NS_DECL_ISUPPORTS
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nsCString mScope;
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// The scriptURL for the registration. This may be completely different from
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// the URLs of the following three workers.
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nsCString mScriptSpec;
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nsCOMPtr<nsIPrincipal> mPrincipal;
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nsRefPtr<ServiceWorkerInfo> mActiveWorker;
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nsRefPtr<ServiceWorkerInfo> mWaitingWorker;
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nsRefPtr<ServiceWorkerInfo> mInstallingWorker;
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// When unregister() is called on a registration, it is not immediately
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// removed since documents may be controlled. It is marked as
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// pendingUninstall and when all controlling documents go away, removed.
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bool mPendingUninstall;
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explicit ServiceWorkerRegistrationInfo(const nsACString& aScope,
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nsIPrincipal* aPrincipal);
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already_AddRefed<ServiceWorkerInfo>
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Newest()
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{
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nsRefPtr<ServiceWorkerInfo> newest;
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if (mInstallingWorker) {
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newest = mInstallingWorker;
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} else if (mWaitingWorker) {
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newest = mWaitingWorker;
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} else {
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newest = mActiveWorker;
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}
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return newest.forget();
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}
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void
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StartControllingADocument()
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{
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++mControlledDocumentsCounter;
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}
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void
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StopControllingADocument()
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{
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--mControlledDocumentsCounter;
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}
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bool
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IsControllingDocuments() const
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{
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return mActiveWorker && mControlledDocumentsCounter > 0;
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}
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void
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Clear();
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void
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TryToActivate();
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void
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Activate();
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void
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FinishActivate(bool aSuccess);
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};
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/*
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* Wherever the spec treats a worker instance and a description of said worker
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* as the same thing; i.e. "Resolve foo with
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* _GetNewestWorker(serviceWorkerRegistration)", we represent the description
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* by this class and spawn a ServiceWorker in the right global when required.
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*/
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class ServiceWorkerInfo final
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{
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private:
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const ServiceWorkerRegistrationInfo* mRegistration;
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nsCString mScriptSpec;
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ServiceWorkerState mState;
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// We hold rawptrs since the ServiceWorker constructor and destructor ensure
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// addition and removal.
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// There is a high chance of there being at least one ServiceWorker
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// associated with this all the time.
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nsAutoTArray<ServiceWorker*, 1> mInstances;
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~ServiceWorkerInfo()
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{ }
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public:
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NS_INLINE_DECL_REFCOUNTING(ServiceWorkerInfo)
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const nsCString&
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ScriptSpec() const
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{
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return mScriptSpec;
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}
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const nsCString&
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Scope() const
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{
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return mRegistration->mScope;
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}
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void SetScriptSpec(const nsCString& aSpec)
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{
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MOZ_ASSERT(!aSpec.IsEmpty());
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mScriptSpec = aSpec;
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}
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explicit ServiceWorkerInfo(ServiceWorkerRegistrationInfo* aReg,
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const nsACString& aScriptSpec)
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: mRegistration(aReg)
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, mScriptSpec(aScriptSpec)
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, mState(ServiceWorkerState::EndGuard_)
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{
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MOZ_ASSERT(mRegistration);
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}
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ServiceWorkerState
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State() const
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{
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return mState;
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}
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void
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UpdateState(ServiceWorkerState aState);
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// Only used to set initial state when loading from disk!
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void
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SetActivateStateUncheckedWithoutEvent(ServiceWorkerState aState)
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{
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mState = aState;
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}
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void
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AppendWorker(ServiceWorker* aWorker);
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void
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RemoveWorker(ServiceWorker* aWorker);
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};
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#define NS_SERVICEWORKERMANAGER_IMPL_IID \
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{ /* f4f8755a-69ca-46e8-a65d-775745535990 */ \
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0xf4f8755a, \
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0x69ca, \
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0x46e8, \
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{ 0xa6, 0x5d, 0x77, 0x57, 0x45, 0x53, 0x59, 0x90 } \
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}
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/*
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* The ServiceWorkerManager is a per-process global that deals with the
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* installation, querying and event dispatch of ServiceWorkers for all the
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* origins in the process.
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*/
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class ServiceWorkerManager final
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: public nsIServiceWorkerManager
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, public nsIIPCBackgroundChildCreateCallback
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{
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friend class GetReadyPromiseRunnable;
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friend class GetRegistrationsRunnable;
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friend class GetRegistrationRunnable;
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friend class ServiceWorkerRegisterJob;
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friend class ServiceWorkerRegistrationInfo;
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friend class ServiceWorkerUnregisterJob;
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSISERVICEWORKERMANAGER
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NS_DECL_NSIIPCBACKGROUNDCHILDCREATECALLBACK
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NS_DECLARE_STATIC_IID_ACCESSOR(NS_SERVICEWORKERMANAGER_IMPL_IID)
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static ServiceWorkerManager* FactoryCreate()
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{
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AssertIsOnMainThread();
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ServiceWorkerManager* res = new ServiceWorkerManager;
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NS_ADDREF(res);
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return res;
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}
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// Ordered list of scopes for glob matching.
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// Each entry is an absolute URL representing the scope.
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//
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// An array is used for now since the number of controlled scopes per
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// domain is expected to be relatively low. If that assumption was proved
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// wrong this should be replaced with a better structure to avoid the
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// memmoves associated with inserting stuff in the middle of the array.
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nsTArray<nsCString> mOrderedScopes;
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// Scope to registration.
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// The scope should be a fully qualified valid URL.
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nsRefPtrHashtable<nsCStringHashKey, ServiceWorkerRegistrationInfo> mServiceWorkerRegistrationInfos;
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nsTObserverArray<ServiceWorkerRegistration*> mServiceWorkerRegistrations;
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nsRefPtrHashtable<nsISupportsHashKey, ServiceWorkerRegistrationInfo> mControlledDocuments;
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// Maps scopes to job queues.
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nsClassHashtable<nsCStringHashKey, ServiceWorkerJobQueue> mJobQueues;
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nsDataHashtable<nsCStringHashKey, bool> mSetOfScopesBeingUpdated;
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already_AddRefed<ServiceWorkerRegistrationInfo>
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GetRegistration(const nsCString& aScope) const
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{
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nsRefPtr<ServiceWorkerRegistrationInfo> reg;
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mServiceWorkerRegistrationInfos.Get(aScope, getter_AddRefs(reg));
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return reg.forget();
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}
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ServiceWorkerRegistrationInfo*
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CreateNewRegistration(const nsCString& aScope, nsIPrincipal* aPrincipal);
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void
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RemoveRegistration(ServiceWorkerRegistrationInfo* aRegistration);
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ServiceWorkerJobQueue*
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GetOrCreateJobQueue(const nsCString& aScope)
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{
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return mJobQueues.LookupOrAdd(aScope);
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}
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void StoreRegistration(nsIPrincipal* aPrincipal,
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ServiceWorkerRegistrationInfo* aRegistration);
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void
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FinishFetch(ServiceWorkerRegistrationInfo* aRegistration);
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// Returns true if the error was handled, false if normal worker error
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// handling should continue.
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bool
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HandleError(JSContext* aCx,
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const nsCString& aScope,
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const nsString& aWorkerURL,
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nsString aMessage,
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nsString aFilename,
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nsString aLine,
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uint32_t aLineNumber,
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uint32_t aColumnNumber,
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uint32_t aFlags);
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void
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GetAllClients(const nsCString& aScope,
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nsTArray<ServiceWorkerClientInfo>& aControlledDocuments);
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static already_AddRefed<ServiceWorkerManager>
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GetInstance();
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void LoadRegistrations(
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const nsTArray<ServiceWorkerRegistrationData>& aRegistrations);
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private:
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ServiceWorkerManager();
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~ServiceWorkerManager();
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void
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AbortCurrentUpdate(ServiceWorkerRegistrationInfo* aRegistration);
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nsresult
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Update(ServiceWorkerRegistrationInfo* aRegistration);
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nsresult
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GetDocumentRegistration(nsIDocument* aDoc, ServiceWorkerRegistrationInfo** aRegistrationInfo);
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NS_IMETHOD
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CreateServiceWorkerForWindow(nsPIDOMWindow* aWindow,
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ServiceWorkerInfo* aInfo,
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ServiceWorker** aServiceWorker);
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NS_IMETHOD
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CreateServiceWorker(nsIPrincipal* aPrincipal,
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ServiceWorkerInfo* aInfo,
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ServiceWorker** aServiceWorker);
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NS_IMETHODIMP
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GetServiceWorkerForScope(nsIDOMWindow* aWindow,
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const nsAString& aScope,
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WhichServiceWorker aWhichWorker,
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nsISupports** aServiceWorker);
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void
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InvalidateServiceWorkerRegistrationWorker(ServiceWorkerRegistrationInfo* aRegistration,
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WhichServiceWorker aWhichOnes);
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already_AddRefed<ServiceWorkerRegistrationInfo>
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GetServiceWorkerRegistrationInfo(nsPIDOMWindow* aWindow);
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already_AddRefed<ServiceWorkerRegistrationInfo>
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GetServiceWorkerRegistrationInfo(nsIDocument* aDoc);
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already_AddRefed<ServiceWorkerRegistrationInfo>
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GetServiceWorkerRegistrationInfo(nsIURI* aURI);
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static void
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AddScope(nsTArray<nsCString>& aList, const nsACString& aScope);
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static nsCString
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FindScopeForPath(nsTArray<nsCString>& aList, const nsACString& aPath);
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static void
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RemoveScope(nsTArray<nsCString>& aList, const nsACString& aScope);
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void
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QueueFireEventOnServiceWorkerRegistrations(ServiceWorkerRegistrationInfo* aRegistration,
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const nsAString& aName);
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void
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FireEventOnServiceWorkerRegistrations(ServiceWorkerRegistrationInfo* aRegistration,
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const nsAString& aName);
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void
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FireUpdateFound(ServiceWorkerRegistrationInfo* aRegistration)
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{
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FireEventOnServiceWorkerRegistrations(aRegistration,
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NS_LITERAL_STRING("updatefound"));
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}
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void
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FireControllerChange(ServiceWorkerRegistrationInfo* aRegistration);
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void
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StorePendingReadyPromise(nsPIDOMWindow* aWindow, nsIURI* aURI, Promise* aPromise);
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void
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CheckPendingReadyPromises();
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bool
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CheckReadyPromise(nsPIDOMWindow* aWindow, nsIURI* aURI, Promise* aPromise);
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struct PendingReadyPromise
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{
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PendingReadyPromise(nsIURI* aURI, Promise* aPromise)
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: mURI(aURI), mPromise(aPromise)
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{ }
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nsCOMPtr<nsIURI> mURI;
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nsRefPtr<Promise> mPromise;
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};
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void AppendPendingOperation(nsIRunnable* aRunnable);
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void AppendPendingOperation(ServiceWorkerJobQueue* aQueue,
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ServiceWorkerJob* aJob);
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bool HasBackgroundActor() const
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{
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return !!mActor;
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}
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static PLDHashOperator
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CheckPendingReadyPromisesEnumerator(nsISupports* aSupports,
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nsAutoPtr<PendingReadyPromise>& aData,
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void* aUnused);
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nsClassHashtable<nsISupportsHashKey, PendingReadyPromise> mPendingReadyPromises;
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void
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MaybeRemoveRegistration(ServiceWorkerRegistrationInfo* aRegistration);
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mozilla::ipc::PBackgroundChild* mActor;
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struct PendingOperation;
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nsTArray<PendingOperation> mPendingOperations;
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};
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NS_DEFINE_STATIC_IID_ACCESSOR(ServiceWorkerManager,
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NS_SERVICEWORKERMANAGER_IMPL_IID);
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} // namespace workers
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_workers_serviceworkermanager_h
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