Sylvestre Ledru
9eb1a31a98
replaced by .editorconfig # ignore-this-changeset Differential Revision: https://phabricator.services.mozilla.com/D287843
115 lines
3.5 KiB
C++
115 lines
3.5 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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#include "ServiceWorkerProxy.h"
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#include "ServiceWorkerInfo.h"
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#include "ServiceWorkerManager.h"
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#include "ServiceWorkerParent.h"
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#include "mozilla/SchedulerGroup.h"
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#include "mozilla/ScopeExit.h"
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#include "mozilla/dom/ClientState.h"
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#include "mozilla/ipc/BackgroundParent.h"
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namespace mozilla::dom {
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using mozilla::ipc::AssertIsOnBackgroundThread;
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ServiceWorkerProxy::~ServiceWorkerProxy() {
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// Any thread
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MOZ_DIAGNOSTIC_ASSERT(!mActor);
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MOZ_DIAGNOSTIC_ASSERT(!mInfo);
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}
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void ServiceWorkerProxy::MaybeShutdownOnBGThread() {
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AssertIsOnBackgroundThread();
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if (!mActor) {
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return;
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}
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mActor->MaybeSendDelete();
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}
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void ServiceWorkerProxy::InitOnMainThread() {
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AssertIsOnMainThread();
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auto scopeExit = MakeScopeExit([&] { MaybeShutdownOnMainThread(); });
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RefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
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NS_ENSURE_TRUE_VOID(swm);
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RefPtr<ServiceWorkerRegistrationInfo> reg =
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swm->GetRegistration(mDescriptor.PrincipalInfo(), mDescriptor.Scope());
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NS_ENSURE_TRUE_VOID(reg);
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RefPtr<ServiceWorkerInfo> info = reg->GetByDescriptor(mDescriptor);
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NS_ENSURE_TRUE_VOID(info);
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scopeExit.release();
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mInfo = new nsMainThreadPtrHolder<ServiceWorkerInfo>(
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"ServiceWorkerProxy::mInfo", info);
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}
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void ServiceWorkerProxy::MaybeShutdownOnMainThread() {
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AssertIsOnMainThread();
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nsCOMPtr<nsIRunnable> r = NewRunnableMethod(
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__func__, this, &ServiceWorkerProxy::MaybeShutdownOnBGThread);
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MOZ_ALWAYS_SUCCEEDS(mEventTarget->Dispatch(r.forget(), NS_DISPATCH_NORMAL));
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}
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void ServiceWorkerProxy::StopListeningOnMainThread() {
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AssertIsOnMainThread();
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mInfo = nullptr;
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}
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ServiceWorkerProxy::ServiceWorkerProxy(
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const ServiceWorkerDescriptor& aDescriptor)
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: mEventTarget(GetCurrentSerialEventTarget()), mDescriptor(aDescriptor) {}
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void ServiceWorkerProxy::Init(ServiceWorkerParent* aActor) {
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AssertIsOnBackgroundThread();
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MOZ_DIAGNOSTIC_ASSERT(aActor);
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MOZ_DIAGNOSTIC_ASSERT(!mActor);
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MOZ_DIAGNOSTIC_ASSERT(mEventTarget);
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mActor = aActor;
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// Note, this must be done from a separate Init() method and not in
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// the constructor. If done from the constructor the runnable can
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// execute, complete, and release its reference before the constructor
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// returns.
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nsCOMPtr<nsIRunnable> r = NewRunnableMethod(
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"ServiceWorkerProxy::Init", this, &ServiceWorkerProxy::InitOnMainThread);
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MOZ_ALWAYS_SUCCEEDS(SchedulerGroup::Dispatch(r.forget()));
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}
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void ServiceWorkerProxy::RevokeActor(ServiceWorkerParent* aActor) {
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AssertIsOnBackgroundThread();
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MOZ_DIAGNOSTIC_ASSERT(mActor);
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MOZ_DIAGNOSTIC_ASSERT(mActor == aActor);
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mActor = nullptr;
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nsCOMPtr<nsIRunnable> r = NewRunnableMethod(
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__func__, this, &ServiceWorkerProxy::StopListeningOnMainThread);
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MOZ_ALWAYS_SUCCEEDS(SchedulerGroup::Dispatch(r.forget()));
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}
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void ServiceWorkerProxy::PostMessage(ipc::StructuredCloneData* aData,
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const PostMessageSource& aSource) {
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AssertIsOnBackgroundThread();
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RefPtr<ServiceWorkerProxy> self = this;
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nsCOMPtr<nsIRunnable> r = NS_NewRunnableFunction(
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__func__, [self, data = RefPtr{aData}, aSource]() mutable {
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if (!self->mInfo) {
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return;
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}
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self->mInfo->PostMessage(data, aSource);
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});
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MOZ_ALWAYS_SUCCEEDS(SchedulerGroup::Dispatch(r.forget()));
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}
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} // namespace mozilla::dom
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