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