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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "ServiceWorker.h"
#include "nsIDocument.h"
#include "nsPIDOMWindow.h"
#include "ServiceWorkerClient.h"
#include "ServiceWorkerManager.h"
#include "ServiceWorkerPrivate.h"
#include "WorkerPrivate.h"
#include "mozilla/Preferences.h"
#include "mozilla/dom/Promise.h"
#include "mozilla/dom/ServiceWorkerGlobalScopeBinding.h"
#ifdef XP_WIN
#undef PostMessage
#endif
using mozilla::ErrorResult;
using namespace mozilla::dom;
namespace mozilla {
namespace dom {
namespace workers {
bool
ServiceWorkerVisible(JSContext* aCx, JSObject* aObj)
{
if (NS_IsMainThread()) {
return Preferences::GetBool("dom.serviceWorkers.enabled", false);
}
return IS_INSTANCE_OF(ServiceWorkerGlobalScope, aObj);
}
ServiceWorker::ServiceWorker(nsPIDOMWindowInner* aWindow,
ServiceWorkerInfo* aInfo)
: DOMEventTargetHelper(aWindow),
mInfo(aInfo)
{
AssertIsOnMainThread();
MOZ_ASSERT(aInfo);
// This will update our state too.
mInfo->AppendWorker(this);
}
ServiceWorker::~ServiceWorker()
{
AssertIsOnMainThread();
mInfo->RemoveWorker(this);
}
NS_IMPL_ADDREF_INHERITED(ServiceWorker, DOMEventTargetHelper)
NS_IMPL_RELEASE_INHERITED(ServiceWorker, DOMEventTargetHelper)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(ServiceWorker)
NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper)
JSObject*
ServiceWorker::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
AssertIsOnMainThread();
return ServiceWorkerBinding::Wrap(aCx, this, aGivenProto);
}
void
ServiceWorker::GetScriptURL(nsString& aURL) const
{
CopyUTF8toUTF16(mInfo->ScriptSpec(), aURL);
}
void
ServiceWorker::PostMessage(JSContext* aCx, JS::Handle<JS::Value> aMessage,
const Optional<Sequence<JS::Value>>& aTransferable,
ErrorResult& aRv)
{
if (State() == ServiceWorkerState::Redundant) {
aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
return;
}
nsCOMPtr<nsPIDOMWindowInner> window = do_QueryInterface(GetParentObject());
if (!window || !window->GetExtantDoc()) {
NS_WARNING("Trying to call post message from an invalid dom object.");
aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
return;
}
UniquePtr<ServiceWorkerClientInfo> clientInfo(new ServiceWorkerClientInfo(window->GetExtantDoc()));
ServiceWorkerPrivate* workerPrivate = mInfo->WorkerPrivate();
aRv = workerPrivate->SendMessageEvent(aCx, aMessage, aTransferable, Move(clientInfo));
}
} // namespace workers
} // namespace dom
} // namespace mozilla
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