gecko-dev/dom/workers/ServiceWorkerInfo.h

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3.3 KiB
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_dom_workers_serviceworkerinfo_h
#define mozilla_dom_workers_serviceworkerinfo_h
#include "mozilla/dom/ServiceWorkerBinding.h" // For ServiceWorkerState
#include "nsIServiceWorkerManager.h"
namespace mozilla {
namespace dom {
namespace workers {
class ServiceWorker;
class ServiceWorkerPrivate;
/*
* Wherever the spec treats a worker instance and a description of said worker
* as the same thing; i.e. "Resolve foo with
* _GetNewestWorker(serviceWorkerRegistration)", we represent the description
* by this class and spawn a ServiceWorker in the right global when required.
*/
class ServiceWorkerInfo final : public nsIServiceWorkerInfo
{
private:
nsCOMPtr<nsIPrincipal> mPrincipal;
const nsCString mScope;
const nsCString mScriptSpec;
const nsString mCacheName;
ServiceWorkerState mState;
// This id is shared with WorkerPrivate to match requests issued by service
// workers to their corresponding serviceWorkerInfo.
uint64_t mServiceWorkerID;
// We hold rawptrs since the ServiceWorker constructor and destructor ensure
// addition and removal.
// There is a high chance of there being at least one ServiceWorker
// associated with this all the time.
AutoTArray<ServiceWorker*, 1> mInstances;
RefPtr<ServiceWorkerPrivate> mServiceWorkerPrivate;
bool mSkipWaitingFlag;
~ServiceWorkerInfo();
// Generates a unique id for the service worker, with zero being treated as
// invalid.
uint64_t
GetNextID() const;
public:
NS_DECL_ISUPPORTS
NS_DECL_NSISERVICEWORKERINFO
class ServiceWorkerPrivate*
WorkerPrivate() const
{
MOZ_ASSERT(mServiceWorkerPrivate);
return mServiceWorkerPrivate;
}
nsIPrincipal*
GetPrincipal() const
{
return mPrincipal;
}
const nsCString&
ScriptSpec() const
{
return mScriptSpec;
}
const nsCString&
Scope() const
{
return mScope;
}
bool SkipWaitingFlag() const
{
AssertIsOnMainThread();
return mSkipWaitingFlag;
}
void SetSkipWaitingFlag()
{
AssertIsOnMainThread();
mSkipWaitingFlag = true;
}
ServiceWorkerInfo(nsIPrincipal* aPrincipal,
const nsACString& aScope,
const nsACString& aScriptSpec,
const nsAString& aCacheName);
ServiceWorkerState
State() const
{
return mState;
}
const nsString&
CacheName() const
{
return mCacheName;
}
uint64_t
ID() const
{
return mServiceWorkerID;
}
void
UpdateState(ServiceWorkerState aState);
// Only used to set initial state when loading from disk!
void
SetActivateStateUncheckedWithoutEvent(ServiceWorkerState aState)
{
AssertIsOnMainThread();
mState = aState;
}
void
AppendWorker(ServiceWorker* aWorker);
void
RemoveWorker(ServiceWorker* aWorker);
already_AddRefed<ServiceWorker>
GetOrCreateInstance(nsPIDOMWindowInner* aWindow);
};
} // namespace workers
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_workers_serviceworkerinfo_h