gecko-dev/dom/workers/ServiceWorkerContainer.cpp
Nikhil Marathe 721e6c9846 Bug 1002570 - Return valid ServiceWorker instances for .installing, .waiting, .active and .controller. r=ehsan
--HG--
extra : transplant_source : %B2%1D%A4%8D%04%E9%BE%D9%C1%CC%C89%F0%07%07%15%B1Df%F1
2014-07-23 14:05:08 -07:00

279 lines
7.5 KiB
C++

/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
/* vim: set ts=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 "ServiceWorkerContainer.h"
#include "nsIDocument.h"
#include "nsIServiceWorkerManager.h"
#include "nsPIDOMWindow.h"
#include "nsCycleCollectionParticipant.h"
#include "nsServiceManagerUtils.h"
#include "mozilla/dom/Promise.h"
#include "mozilla/dom/ServiceWorkerContainerBinding.h"
#include "mozilla/dom/workers/bindings/ServiceWorker.h"
#include "ServiceWorker.h"
namespace mozilla {
namespace dom {
namespace workers {
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(ServiceWorkerContainer)
NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper)
NS_IMPL_ADDREF_INHERITED(ServiceWorkerContainer, DOMEventTargetHelper)
NS_IMPL_RELEASE_INHERITED(ServiceWorkerContainer, DOMEventTargetHelper)
NS_IMPL_CYCLE_COLLECTION_INHERITED(ServiceWorkerContainer, DOMEventTargetHelper,
mInstallingWorker,
mWaitingWorker,
mActiveWorker,
mControllerWorker)
ServiceWorkerContainer::ServiceWorkerContainer(nsPIDOMWindow* aWindow)
: mWindow(aWindow)
{
SetIsDOMBinding();
StartListeningForEvents();
}
ServiceWorkerContainer::~ServiceWorkerContainer()
{
StopListeningForEvents();
}
JSObject*
ServiceWorkerContainer::WrapObject(JSContext* aCx)
{
return ServiceWorkerContainerBinding::Wrap(aCx, this);
}
already_AddRefed<Promise>
ServiceWorkerContainer::Register(const nsAString& aScriptURL,
const RegistrationOptionList& aOptions,
ErrorResult& aRv)
{
nsCOMPtr<nsISupports> promise;
nsresult rv;
nsCOMPtr<nsIServiceWorkerManager> swm = do_GetService(SERVICEWORKERMANAGER_CONTRACTID, &rv);
if (NS_WARN_IF(NS_FAILED(rv))) {
aRv.Throw(rv);
return nullptr;
}
aRv = swm->Register(mWindow, aOptions.mScope, aScriptURL, getter_AddRefs(promise));
if (aRv.Failed()) {
return nullptr;
}
nsRefPtr<Promise> ret = static_cast<Promise*>(promise.get());
MOZ_ASSERT(ret);
return ret.forget();
}
already_AddRefed<Promise>
ServiceWorkerContainer::Unregister(const nsAString& aScope,
ErrorResult& aRv)
{
nsCOMPtr<nsISupports> promise;
nsresult rv;
nsCOMPtr<nsIServiceWorkerManager> swm = do_GetService(SERVICEWORKERMANAGER_CONTRACTID, &rv);
if (NS_WARN_IF(NS_FAILED(rv))) {
aRv.Throw(rv);
return nullptr;
}
aRv = swm->Unregister(mWindow, aScope, getter_AddRefs(promise));
if (aRv.Failed()) {
return nullptr;
}
nsRefPtr<Promise> ret = static_cast<Promise*>(promise.get());
MOZ_ASSERT(ret);
return ret.forget();
}
already_AddRefed<workers::ServiceWorker>
ServiceWorkerContainer::GetInstalling()
{
if (!mInstallingWorker) {
mInstallingWorker = GetWorkerReference(WhichServiceWorker::INSTALLING_WORKER);
}
nsRefPtr<ServiceWorker> ret = mInstallingWorker;
return ret.forget();
}
already_AddRefed<workers::ServiceWorker>
ServiceWorkerContainer::GetWaiting()
{
if (!mWaitingWorker) {
mWaitingWorker = GetWorkerReference(WhichServiceWorker::WAITING_WORKER);
}
nsRefPtr<ServiceWorker> ret = mWaitingWorker;
return ret.forget();
}
already_AddRefed<workers::ServiceWorker>
ServiceWorkerContainer::GetActive()
{
if (!mActiveWorker) {
mActiveWorker = GetWorkerReference(WhichServiceWorker::ACTIVE_WORKER);
}
nsRefPtr<ServiceWorker> ret = mActiveWorker;
return ret.forget();
}
already_AddRefed<workers::ServiceWorker>
ServiceWorkerContainer::GetController()
{
if (!mControllerWorker) {
nsresult rv;
nsCOMPtr<nsIServiceWorkerManager> swm = do_GetService(SERVICEWORKERMANAGER_CONTRACTID, &rv);
if (NS_WARN_IF(NS_FAILED(rv))) {
return nullptr;
}
nsCOMPtr<nsISupports> serviceWorker;
rv = swm->GetDocumentController(mWindow, getter_AddRefs(serviceWorker));
if (NS_WARN_IF(NS_FAILED(rv))) {
return nullptr;
}
mControllerWorker = static_cast<ServiceWorker*>(serviceWorker.get());
}
nsRefPtr<ServiceWorker> ref = mControllerWorker;
return ref.forget();
}
already_AddRefed<Promise>
ServiceWorkerContainer::GetAll(ErrorResult& aRv)
{
// FIXME(nsm): Bug 1002571
aRv.Throw(NS_ERROR_DOM_NOT_SUPPORTED_ERR);
return nullptr;
}
already_AddRefed<Promise>
ServiceWorkerContainer::GetReady(ErrorResult& aRv)
{
// FIXME(nsm): Bug 1025077
nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(mWindow);
return Promise::Create(global, aRv);
}
// XXXnsm, maybe this can be optimized to only add when a event handler is
// registered.
void
ServiceWorkerContainer::StartListeningForEvents()
{
nsCOMPtr<nsIServiceWorkerManager> swm = do_GetService(SERVICEWORKERMANAGER_CONTRACTID);
if (swm) {
swm->AddContainerEventListener(mWindow->GetDocumentURI(), this);
}
}
void
ServiceWorkerContainer::StopListeningForEvents()
{
nsCOMPtr<nsIServiceWorkerManager> swm = do_GetService(SERVICEWORKERMANAGER_CONTRACTID);
if (swm) {
swm->RemoveContainerEventListener(mWindow->GetDocumentURI(), this);
}
}
void
ServiceWorkerContainer::InvalidateWorkerReference(WhichServiceWorker aWhichOnes)
{
if (aWhichOnes & WhichServiceWorker::INSTALLING_WORKER) {
mInstallingWorker = nullptr;
}
if (aWhichOnes & WhichServiceWorker::WAITING_WORKER) {
mWaitingWorker = nullptr;
}
if (aWhichOnes & WhichServiceWorker::ACTIVE_WORKER) {
mActiveWorker = nullptr;
}
}
already_AddRefed<workers::ServiceWorker>
ServiceWorkerContainer::GetWorkerReference(WhichServiceWorker aWhichOne)
{
nsresult rv;
nsCOMPtr<nsIServiceWorkerManager> swm = do_GetService(SERVICEWORKERMANAGER_CONTRACTID, &rv);
if (NS_WARN_IF(NS_FAILED(rv))) {
return nullptr;
}
nsCOMPtr<nsISupports> serviceWorker;
switch(aWhichOne) {
case WhichServiceWorker::INSTALLING_WORKER:
rv = swm->GetInstalling(mWindow, getter_AddRefs(serviceWorker));
break;
case WhichServiceWorker::WAITING_WORKER:
rv = swm->GetWaiting(mWindow, getter_AddRefs(serviceWorker));
break;
case WhichServiceWorker::ACTIVE_WORKER:
rv = swm->GetActive(mWindow, getter_AddRefs(serviceWorker));
break;
default:
MOZ_CRASH("Invalid enum value");
}
if (NS_WARN_IF(NS_FAILED(rv))) {
return nullptr;
}
nsRefPtr<ServiceWorker> ref = static_cast<ServiceWorker*>(serviceWorker.get());
return ref.forget();
}
// Testing only.
already_AddRefed<Promise>
ServiceWorkerContainer::ClearAllServiceWorkerData(ErrorResult& aRv)
{
aRv.Throw(NS_ERROR_DOM_NOT_SUPPORTED_ERR);
return nullptr;
}
// Testing only.
void
ServiceWorkerContainer::GetScopeForUrl(const nsAString& aUrl,
nsString& aScope,
ErrorResult& aRv)
{
nsresult rv;
nsCOMPtr<nsIServiceWorkerManager> swm = do_GetService(SERVICEWORKERMANAGER_CONTRACTID, &rv);
if (NS_WARN_IF(NS_FAILED(rv))) {
aRv.Throw(rv);
return;
}
aRv = swm->GetScopeForUrl(aUrl, aScope);
}
// Testing only.
void
ServiceWorkerContainer::GetControllingWorkerScriptURLForPath(
const nsAString& aPath,
nsString& aScriptURL,
ErrorResult& aRv)
{
aRv.Throw(NS_ERROR_DOM_NOT_SUPPORTED_ERR);
}
} // namespace workers
} // namespace dom
} // namespace mozilla