gecko-dev/dom/serviceworkers/ServiceWorkerManagerParent.cpp

107 строки
3.7 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "ServiceWorkerManagerParent.h"
#include "ServiceWorkerUtils.h"
#include "mozilla/dom/ContentParent.h"
#include "mozilla/dom/ServiceWorkerRegistrar.h"
#include "mozilla/ipc/BackgroundParent.h"
#include "mozilla/ipc/BackgroundUtils.h"
#include "mozilla/Unused.h"
#include "nsThreadUtils.h"
namespace mozilla {
using namespace ipc;
namespace dom {
ServiceWorkerManagerParent::ServiceWorkerManagerParent() {
AssertIsOnBackgroundThread();
}
ServiceWorkerManagerParent::~ServiceWorkerManagerParent() {
AssertIsOnBackgroundThread();
}
mozilla::ipc::IPCResult ServiceWorkerManagerParent::RecvRegister(
const ServiceWorkerRegistrationData& aData) {
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
MOZ_ASSERT(!BackgroundParent::IsOtherProcessActor(Manager()));
// Basic validation.
if (aData.scope().IsEmpty() ||
aData.principal().type() == PrincipalInfo::TNullPrincipalInfo ||
aData.principal().type() == PrincipalInfo::TSystemPrincipalInfo) {
return IPC_FAIL_NO_REASON(this);
}
// If false then we have shutdown during the process of trying to update the
// registrar. We can give up on this modification.
if (const RefPtr<dom::ServiceWorkerRegistrar> service =
dom::ServiceWorkerRegistrar::Get()) {
service->RegisterServiceWorker(aData);
}
return IPC_OK();
}
mozilla::ipc::IPCResult ServiceWorkerManagerParent::RecvUnregister(
const PrincipalInfo& aPrincipalInfo, const nsString& aScope) {
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
MOZ_ASSERT(!BackgroundParent::IsOtherProcessActor(Manager()));
// Basic validation.
if (aScope.IsEmpty() ||
aPrincipalInfo.type() == PrincipalInfo::TNullPrincipalInfo ||
aPrincipalInfo.type() == PrincipalInfo::TSystemPrincipalInfo) {
return IPC_FAIL_NO_REASON(this);
}
// If false then we have shutdown during the process of trying to update the
// registrar. We can give up on this modification.
if (const RefPtr<dom::ServiceWorkerRegistrar> service =
dom::ServiceWorkerRegistrar::Get()) {
service->UnregisterServiceWorker(aPrincipalInfo,
NS_ConvertUTF16toUTF8(aScope));
}
return IPC_OK();
}
mozilla::ipc::IPCResult ServiceWorkerManagerParent::RecvPropagateUnregister(
const PrincipalInfo& aPrincipalInfo, const nsString& aScope) {
AssertIsOnBackgroundThread();
RefPtr<dom::ServiceWorkerRegistrar> service =
dom::ServiceWorkerRegistrar::Get();
MOZ_ASSERT(service);
// It's possible that we don't have any ServiceWorkerManager managing this
// scope but we still need to unregister it from the ServiceWorkerRegistrar.
service->UnregisterServiceWorker(aPrincipalInfo,
NS_ConvertUTF16toUTF8(aScope));
// There is no longer any point to propagating because the only sender is the
// one and only ServiceWorkerManager, but it is necessary for us to have run
// the unregister call above because until Bug 1183245 is fixed,
// nsIServiceWorkerManager.propagateUnregister() is a de facto API for
// clearing ServiceWorker registrations by Sanitizer.sys.mjs via
// ServiceWorkerCleanUp.sys.mjs, as well as devtools "unregister" affordance
// and the no-longer-relevant about:serviceworkers UI.
return IPC_OK();
}
void ServiceWorkerManagerParent::ActorDestroy(ActorDestroyReason aWhy) {
AssertIsOnBackgroundThread();
}
} // namespace dom
} // namespace mozilla