103 lines
2.7 KiB
C++
103 lines
2.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* 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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "ServiceWorker.h"
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#include "nsIDocument.h"
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#include "nsPIDOMWindow.h"
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#include "ServiceWorkerClient.h"
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#include "ServiceWorkerManager.h"
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#include "ServiceWorkerPrivate.h"
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#include "WorkerPrivate.h"
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#include "mozilla/Preferences.h"
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#include "mozilla/dom/Promise.h"
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#include "mozilla/dom/ServiceWorkerGlobalScopeBinding.h"
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#ifdef XP_WIN
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#undef PostMessage
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#endif
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using mozilla::ErrorResult;
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using namespace mozilla::dom;
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namespace mozilla {
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namespace dom {
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namespace workers {
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bool
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ServiceWorkerVisible(JSContext* aCx, JSObject* aObj)
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{
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if (NS_IsMainThread()) {
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return Preferences::GetBool("dom.serviceWorkers.enabled", false);
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}
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return IS_INSTANCE_OF(ServiceWorkerGlobalScope, aObj);
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}
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ServiceWorker::ServiceWorker(nsPIDOMWindowInner* aWindow,
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ServiceWorkerInfo* aInfo)
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: DOMEventTargetHelper(aWindow),
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mInfo(aInfo)
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{
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AssertIsOnMainThread();
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MOZ_ASSERT(aInfo);
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// This will update our state too.
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mInfo->AppendWorker(this);
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}
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ServiceWorker::~ServiceWorker()
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{
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AssertIsOnMainThread();
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mInfo->RemoveWorker(this);
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}
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NS_IMPL_ADDREF_INHERITED(ServiceWorker, DOMEventTargetHelper)
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NS_IMPL_RELEASE_INHERITED(ServiceWorker, DOMEventTargetHelper)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(ServiceWorker)
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NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper)
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JSObject*
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ServiceWorker::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
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{
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AssertIsOnMainThread();
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return ServiceWorkerBinding::Wrap(aCx, this, aGivenProto);
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}
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void
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ServiceWorker::GetScriptURL(nsString& aURL) const
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{
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CopyUTF8toUTF16(mInfo->ScriptSpec(), aURL);
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}
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void
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ServiceWorker::PostMessage(JSContext* aCx, JS::Handle<JS::Value> aMessage,
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const Optional<Sequence<JS::Value>>& aTransferable,
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ErrorResult& aRv)
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{
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if (State() == ServiceWorkerState::Redundant) {
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aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
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return;
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}
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nsCOMPtr<nsPIDOMWindowInner> window = do_QueryInterface(GetParentObject());
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if (!window || !window->GetExtantDoc()) {
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NS_WARNING("Trying to call post message from an invalid dom object.");
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aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
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return;
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}
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UniquePtr<ServiceWorkerClientInfo> clientInfo(new ServiceWorkerClientInfo(window->GetExtantDoc()));
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ServiceWorkerPrivate* workerPrivate = mInfo->WorkerPrivate();
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aRv = workerPrivate->SendMessageEvent(aCx, aMessage, aTransferable, Move(clientInfo));
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}
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} // namespace workers
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} // namespace dom
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} // namespace mozilla
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