зеркало из https://github.com/mozilla/gecko-dev.git
129 строки
3.4 KiB
C++
129 строки
3.4 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 "nsCycleCollectionParticipant.h"
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#include "nsServiceManagerUtils.h"
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#include "nsStringStream.h"
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#include "PresentationSession.h"
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using namespace mozilla;
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using namespace mozilla::dom;
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NS_IMPL_CYCLE_COLLECTION_CLASS(PresentationSession)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(PresentationSession, DOMEventTargetHelper)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(PresentationSession, DOMEventTargetHelper)
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tmp->Shutdown();
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_IMPL_ADDREF_INHERITED(PresentationSession, DOMEventTargetHelper)
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NS_IMPL_RELEASE_INHERITED(PresentationSession, DOMEventTargetHelper)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(PresentationSession)
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NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper)
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PresentationSession::PresentationSession(nsPIDOMWindow* aWindow,
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const nsAString& aId,
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PresentationSessionState aState)
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: DOMEventTargetHelper(aWindow)
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, mId(aId)
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, mState(aState)
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{
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}
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/* virtual */ PresentationSession::~PresentationSession()
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{
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}
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/* static */ already_AddRefed<PresentationSession>
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PresentationSession::Create(nsPIDOMWindow* aWindow,
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const nsAString& aId,
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PresentationSessionState aState)
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{
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nsRefPtr<PresentationSession> session =
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new PresentationSession(aWindow, aId, aState);
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return NS_WARN_IF(!session->Init()) ? nullptr : session.forget();
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}
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bool
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PresentationSession::Init()
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{
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if (NS_WARN_IF(mId.IsEmpty())) {
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return false;
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}
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// TODO: Register listener for session state changes.
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return true;
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}
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void
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PresentationSession::Shutdown()
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{
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// TODO: Unregister listener for session state changes.
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}
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/* virtual */ JSObject*
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PresentationSession::WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto)
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{
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return PresentationSessionBinding::Wrap(aCx, this, aGivenProto);
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}
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void
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PresentationSession::GetId(nsAString& aId) const
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{
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aId = mId;
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}
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PresentationSessionState
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PresentationSession::State() const
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{
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// TODO: Dispatch event when the value of |mState| is changed.
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return mState;
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}
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void
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PresentationSession::Send(const nsAString& aData,
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ErrorResult& aRv)
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{
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// Sending is not allowed if the session is not connected.
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if (NS_WARN_IF(mState != PresentationSessionState::Connected)) {
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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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nsresult rv;
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nsCOMPtr<nsIStringInputStream> stream =
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do_CreateInstance(NS_STRINGINPUTSTREAM_CONTRACTID, &rv);
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if(NS_WARN_IF(NS_FAILED(rv))) {
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aRv.Throw(NS_ERROR_NOT_AVAILABLE);
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return;
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}
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NS_ConvertUTF16toUTF8 msgString(aData);
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rv = stream->SetData(msgString.BeginReading(), msgString.Length());
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if(NS_WARN_IF(NS_FAILED(rv))) {
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aRv.Throw(NS_ERROR_DOM_OPERATION_ERR);
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return;
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}
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// TODO: Send the message to the stream.
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}
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void
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PresentationSession::Close()
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{
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// Closing does nothing if the session is already terminated.
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if (NS_WARN_IF(mState == PresentationSessionState::Terminated)) {
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return;
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}
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// TODO: Terminate the socket.
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}
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