gecko-dev/dom/serviceworkers/ServiceWorkerImpl.cpp

91 строка
2.6 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 "ServiceWorkerImpl.h"
#include "ServiceWorkerInfo.h"
namespace mozilla {
namespace dom {
ServiceWorkerImpl::~ServiceWorkerImpl()
{
MOZ_DIAGNOSTIC_ASSERT(!mOuter);
}
void
ServiceWorkerImpl::AddServiceWorker(ServiceWorker* aWorker)
{
MOZ_DIAGNOSTIC_ASSERT(!mOuter);
MOZ_DIAGNOSTIC_ASSERT(aWorker);
mOuter = aWorker;
}
void
ServiceWorkerImpl::RemoveServiceWorker(ServiceWorker* aWorker)
{
MOZ_DIAGNOSTIC_ASSERT(mOuter);
MOZ_DIAGNOSTIC_ASSERT(mOuter == aWorker);
mOuter = nullptr;
}
void
ServiceWorkerImpl::GetRegistration(ServiceWorkerRegistrationCallback&& aSuccessCB,
ServiceWorkerFailureCallback&& aFailureCB)
{
// While we could immediate call success with our registration descriptor
// we instead queue a runnable to do this. This ensures that GetRegistration()
// is always async to match how the IPC implementation will work. It also
// ensure that if any events are triggered from providing the registration
// that they are fired from a runnable on the correct global's event target.
if (!mOuter) {
aFailureCB(CopyableErrorResult(NS_ERROR_DOM_INVALID_STATE_ERR));
return;
}
nsIGlobalObject* global = mOuter->GetParentObject();
if (!global) {
aFailureCB(CopyableErrorResult(NS_ERROR_DOM_INVALID_STATE_ERR));
return;
}
nsCOMPtr<nsIRunnable> r = NS_NewRunnableFunction(
"ServiceWorkerImpl::GetRegistration",
[reg = mReg, successCB = std::move(aSuccessCB)] () mutable {
successCB(reg->Descriptor());
});
nsresult rv =
global->EventTargetFor(TaskCategory::Other)->Dispatch(r.forget(),
NS_DISPATCH_NORMAL);
if (NS_FAILED(rv)) {
aFailureCB(CopyableErrorResult(rv));
return;
}
}
void
ServiceWorkerImpl::PostMessage(RefPtr<ServiceWorkerCloneData>&& aData,
const ClientInfo& aClientInfo,
const ClientState& aClientState)
{
mInfo->PostMessage(std::move(aData), aClientInfo, aClientState);
}
ServiceWorkerImpl::ServiceWorkerImpl(ServiceWorkerInfo* aInfo,
ServiceWorkerRegistrationInfo* aReg)
: mInfo(aInfo)
, mReg(aReg)
, mOuter(nullptr)
{
MOZ_DIAGNOSTIC_ASSERT(mInfo);
MOZ_DIAGNOSTIC_ASSERT(mReg);
}
} // namespace dom
} // namespace mozilla