зеркало из https://github.com/mozilla/gecko-dev.git
106 строки
3.1 KiB
C++
106 строки
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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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#ifndef mozilla_dom_PresentationSessionTransport_h
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#define mozilla_dom_PresentationSessionTransport_h
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#include "mozilla/RefPtr.h"
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#include "nsCOMPtr.h"
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#include "nsIAsyncInputStream.h"
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#include "nsIPresentationSessionTransport.h"
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#include "nsIStreamListener.h"
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#include "nsISupportsImpl.h"
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#include "nsITransport.h"
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class nsISocketTransport;
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class nsIInputStreamPump;
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class nsIScriptableInputStream;
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class nsIMultiplexInputStream;
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class nsIAsyncStreamCopier;
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class nsIInputStream;
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namespace mozilla {
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namespace dom {
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/*
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* App-to-App transport channel for the presentation session. It's usually
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* initialized with an |InitWithSocketTransport| call if at the presenting sender
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* side; whereas it's initialized with an |InitWithChannelDescription| if at the
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* presenting receiver side. The lifetime is managed in either
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* |PresentationControllingInfo| (sender side) or |PresentationPresentingInfo|
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* (receiver side) in PresentationSessionInfo.cpp.
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*
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* TODO bug 1148307 Implement PresentationSessionTransport with DataChannel.
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* The implementation over the TCP channel is primarily used for the early stage
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* of Presentation API (without SSL) and should be migrated to DataChannel with
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* full support soon.
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*/
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class PresentationSessionTransport final : public nsIPresentationSessionTransport
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, public nsITransportEventSink
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, public nsIInputStreamCallback
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, public nsIStreamListener
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIPRESENTATIONSESSIONTRANSPORT
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NS_DECL_NSITRANSPORTEVENTSINK
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NS_DECL_NSIINPUTSTREAMCALLBACK
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NS_DECL_NSIREQUESTOBSERVER
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NS_DECL_NSISTREAMLISTENER
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PresentationSessionTransport();
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void NotifyCopyComplete(nsresult aStatus);
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private:
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~PresentationSessionTransport();
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nsresult CreateStream();
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nsresult CreateInputStreamPump();
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void EnsureCopying();
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enum ReadyState {
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CONNECTING,
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OPEN,
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CLOSING,
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CLOSED
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};
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void SetReadyState(ReadyState aReadyState);
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bool IsReadyToNotifyData()
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{
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return mDataNotificationEnabled && mReadyState == OPEN;
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}
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ReadyState mReadyState;
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bool mAsyncCopierActive;
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nsresult mCloseStatus;
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bool mDataNotificationEnabled;
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// Raw socket streams
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nsCOMPtr<nsISocketTransport> mTransport;
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nsCOMPtr<nsIInputStream> mSocketInputStream;
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nsCOMPtr<nsIOutputStream> mSocketOutputStream;
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// Input stream machinery
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nsCOMPtr<nsIInputStreamPump> mInputStreamPump;
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nsCOMPtr<nsIScriptableInputStream> mInputStreamScriptable;
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// Output stream machinery
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nsCOMPtr<nsIMultiplexInputStream> mMultiplexStream;
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nsCOMPtr<nsIAsyncStreamCopier> mMultiplexStreamCopier;
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nsCOMPtr<nsIPresentationSessionTransportCallback> mCallback;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_PresentationSessionTransport_h
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