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df57f152fd
MozReview-Commit-ID: IDKEqSqm9Ug --HG-- extra : rebase_source : 2b908d9138157b198028aedffc344d102063c896
182 lines
5.0 KiB
C++
182 lines
5.0 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "PresentationReceiver.h"
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#include "mozilla/dom/PresentationReceiverBinding.h"
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#include "mozilla/dom/Promise.h"
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#include "nsContentUtils.h"
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#include "nsIPresentationService.h"
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#include "nsPIDOMWindow.h"
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#include "nsServiceManagerUtils.h"
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#include "nsThreadUtils.h"
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#include "PresentationConnection.h"
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#include "PresentationConnectionList.h"
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#include "PresentationLog.h"
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namespace mozilla {
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namespace dom {
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NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(PresentationReceiver,
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mOwner,
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mGetConnectionListPromise,
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mConnectionList)
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NS_IMPL_CYCLE_COLLECTING_ADDREF(PresentationReceiver)
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NS_IMPL_CYCLE_COLLECTING_RELEASE(PresentationReceiver)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(PresentationReceiver)
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NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
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NS_INTERFACE_MAP_ENTRY(nsIPresentationRespondingListener)
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NS_INTERFACE_MAP_ENTRY(nsISupports)
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NS_INTERFACE_MAP_END
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/* static */ already_AddRefed<PresentationReceiver>
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PresentationReceiver::Create(nsPIDOMWindowInner* aWindow)
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{
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RefPtr<PresentationReceiver> receiver = new PresentationReceiver(aWindow);
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return NS_WARN_IF(!receiver->Init()) ? nullptr : receiver.forget();
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}
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PresentationReceiver::PresentationReceiver(nsPIDOMWindowInner* aWindow)
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: mOwner(aWindow)
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{
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MOZ_ASSERT(aWindow);
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}
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PresentationReceiver::~PresentationReceiver()
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{
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Shutdown();
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}
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bool
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PresentationReceiver::Init()
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{
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if (NS_WARN_IF(!mOwner)) {
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return false;
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}
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mWindowId = mOwner->WindowID();
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nsCOMPtr<nsIDocShell> docShell = mOwner->GetDocShell();
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MOZ_ASSERT(docShell);
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nsContentUtils::GetPresentationURL(docShell, mUrl);
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return !mUrl.IsEmpty();
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}
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void PresentationReceiver::Shutdown()
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{
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PRES_DEBUG("receiver shutdown:windowId[%" PRId64 "]\n", mWindowId);
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// Unregister listener for incoming sessions.
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nsCOMPtr<nsIPresentationService> service =
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do_GetService(PRESENTATION_SERVICE_CONTRACTID);
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if (NS_WARN_IF(!service)) {
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return;
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}
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Unused <<
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NS_WARN_IF(NS_FAILED(service->UnregisterRespondingListener(mWindowId)));
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}
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/* virtual */ JSObject*
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PresentationReceiver::WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto)
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{
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return PresentationReceiverBinding::Wrap(aCx, this, aGivenProto);
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}
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NS_IMETHODIMP
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PresentationReceiver::NotifySessionConnect(uint64_t aWindowId,
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const nsAString& aSessionId)
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{
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PRES_DEBUG("receiver session connect:id[%s], windowId[%" PRIx64 "]\n",
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NS_ConvertUTF16toUTF8(aSessionId).get(), aWindowId);
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if (NS_WARN_IF(!mOwner)) {
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return NS_ERROR_FAILURE;
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}
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if (NS_WARN_IF(aWindowId != mWindowId)) {
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return NS_ERROR_INVALID_ARG;
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}
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if (NS_WARN_IF(!mConnectionList)) {
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return NS_ERROR_FAILURE;
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}
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RefPtr<PresentationConnection> connection =
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PresentationConnection::Create(mOwner, aSessionId, mUrl,
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nsIPresentationService::ROLE_RECEIVER,
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mConnectionList);
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if (NS_WARN_IF(!connection)) {
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return NS_ERROR_NOT_AVAILABLE;
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}
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return NS_OK;
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}
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already_AddRefed<Promise>
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PresentationReceiver::GetConnectionList(ErrorResult& aRv)
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{
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nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(mOwner);
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if (NS_WARN_IF(!global)) {
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aRv.Throw(NS_ERROR_UNEXPECTED);
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return nullptr;
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}
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if (!mGetConnectionListPromise) {
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mGetConnectionListPromise = Promise::Create(global, aRv);
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if (NS_WARN_IF(aRv.Failed())) {
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return nullptr;
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}
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RefPtr<PresentationReceiver> self = this;
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nsresult rv = NS_DispatchToMainThread(NS_NewRunnableFunction(
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"dom::PresentationReceiver::GetConnectionList",
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[self]() -> void { self->CreateConnectionList(); }));
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if (NS_FAILED(rv)) {
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aRv.Throw(rv);
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return nullptr;
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}
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}
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RefPtr<Promise> promise = mGetConnectionListPromise;
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if (nsContentUtils::ShouldResistFingerprinting()) {
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promise->MaybeReject(NS_ERROR_DOM_SECURITY_ERR);
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}
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return promise.forget();
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}
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void
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PresentationReceiver::CreateConnectionList()
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{
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MOZ_ASSERT(mGetConnectionListPromise);
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if (mConnectionList) {
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return;
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}
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mConnectionList = new PresentationConnectionList(mOwner,
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mGetConnectionListPromise);
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// Register listener for incoming sessions.
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nsCOMPtr<nsIPresentationService> service =
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do_GetService(PRESENTATION_SERVICE_CONTRACTID);
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if (NS_WARN_IF(!service)) {
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mGetConnectionListPromise->MaybeReject(NS_ERROR_DOM_OPERATION_ERR);
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return;
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}
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nsresult rv = service->RegisterRespondingListener(mWindowId, this);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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mGetConnectionListPromise->MaybeReject(rv);
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}
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}
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} // namespace dom
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} // namespace mozilla
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