Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim: set ts=8 sts=2 et sw=2 tw=80: */
       3             : /* This Source Code Form is subject to the terms of the Mozilla Public
       4             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       5             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       6             : 
       7             : #ifndef mozilla_dom_PresentationSessionTransport_h
       8             : #define mozilla_dom_PresentationSessionTransport_h
       9             : 
      10             : #include "mozilla/RefPtr.h"
      11             : #include "nsCOMPtr.h"
      12             : #include "nsIAsyncInputStream.h"
      13             : #include "nsIPresentationSessionTransport.h"
      14             : #include "nsIPresentationSessionTransportBuilder.h"
      15             : #include "nsIStreamListener.h"
      16             : #include "nsISupportsImpl.h"
      17             : #include "nsITransport.h"
      18             : 
      19             : class nsISocketTransport;
      20             : class nsIInputStreamPump;
      21             : class nsIScriptableInputStream;
      22             : class nsIMultiplexInputStream;
      23             : class nsIAsyncStreamCopier;
      24             : class nsIInputStream;
      25             : 
      26             : namespace mozilla {
      27             : namespace dom {
      28             : 
      29             : /*
      30             :  * App-to-App transport channel for the presentation session. It's usually
      31             :  * initialized with an |InitWithSocketTransport| call if at the presenting sender
      32             :  * side; whereas it's initialized with an |InitWithChannelDescription| if at the
      33             :  * presenting receiver side. The lifetime is managed in either
      34             :  * |PresentationControllingInfo| (sender side) or |PresentationPresentingInfo|
      35             :  * (receiver side) in PresentationSessionInfo.cpp.
      36             :  */
      37             : class PresentationTCPSessionTransport final : public nsIPresentationSessionTransport
      38             :                                             , public nsIPresentationTCPSessionTransportBuilder
      39             :                                             , public nsITransportEventSink
      40             :                                             , public nsIInputStreamCallback
      41             :                                             , public nsIStreamListener
      42             : {
      43             : public:
      44             :   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
      45           0 :   NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(PresentationTCPSessionTransport,
      46             :                                            nsIPresentationSessionTransport)
      47             : 
      48             :   NS_DECL_NSIPRESENTATIONSESSIONTRANSPORT
      49             :   NS_DECL_NSIPRESENTATIONSESSIONTRANSPORTBUILDER
      50             :   NS_DECL_NSIPRESENTATIONTCPSESSIONTRANSPORTBUILDER
      51             :   NS_DECL_NSITRANSPORTEVENTSINK
      52             :   NS_DECL_NSIINPUTSTREAMCALLBACK
      53             :   NS_DECL_NSIREQUESTOBSERVER
      54             :   NS_DECL_NSISTREAMLISTENER
      55             : 
      56             :   PresentationTCPSessionTransport();
      57             : 
      58             :   void NotifyCopyComplete(nsresult aStatus);
      59             : 
      60             : private:
      61             :   ~PresentationTCPSessionTransport();
      62             : 
      63             :   nsresult CreateStream();
      64             : 
      65             :   nsresult CreateInputStreamPump();
      66             : 
      67             :   void EnsureCopying();
      68             : 
      69             :   enum class ReadyState {
      70             :     CONNECTING,
      71             :     OPEN,
      72             :     CLOSING,
      73             :     CLOSED
      74             :   };
      75             : 
      76             :   void SetReadyState(ReadyState aReadyState);
      77             : 
      78           0 :   bool IsReadyToNotifyData()
      79             :   {
      80           0 :     return mDataNotificationEnabled && mReadyState == ReadyState::OPEN;
      81             :   }
      82             : 
      83             :   ReadyState mReadyState;
      84             :   bool mAsyncCopierActive;
      85             :   nsresult mCloseStatus;
      86             :   bool mDataNotificationEnabled;
      87             : 
      88             :   uint8_t mRole = 0;
      89             : 
      90             :   // Raw socket streams
      91             :   nsCOMPtr<nsISocketTransport> mTransport;
      92             :   nsCOMPtr<nsIInputStream> mSocketInputStream;
      93             :   nsCOMPtr<nsIOutputStream> mSocketOutputStream;
      94             : 
      95             :   // Input stream machinery
      96             :   nsCOMPtr<nsIInputStreamPump> mInputStreamPump;
      97             :   nsCOMPtr<nsIScriptableInputStream> mInputStreamScriptable;
      98             : 
      99             :   // Output stream machinery
     100             :   nsCOMPtr<nsIMultiplexInputStream> mMultiplexStream;
     101             :   nsCOMPtr<nsIAsyncStreamCopier> mMultiplexStreamCopier;
     102             : 
     103             :   nsCOMPtr<nsIPresentationSessionTransportCallback> mCallback;
     104             :   nsCOMPtr<nsIPresentationSessionTransportBuilderListener> mListener;
     105             : };
     106             : 
     107             : } // namespace dom
     108             : } // namespace mozilla
     109             : 
     110             : #endif // mozilla_dom_PresentationSessionTransport_h