import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

dom/presentation/PresentationTCPSessionTransport.h

@@ -0,0 +1,110 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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/. */
+
+#ifndef mozilla_dom_PresentationSessionTransport_h
+#define mozilla_dom_PresentationSessionTransport_h
+
+#include "mozilla/RefPtr.h"
+#include "nsCOMPtr.h"
+#include "nsIAsyncInputStream.h"
+#include "nsIPresentationSessionTransport.h"
+#include "nsIPresentationSessionTransportBuilder.h"
+#include "nsIStreamListener.h"
+#include "nsISupportsImpl.h"
+#include "nsITransport.h"
+
+class nsISocketTransport;
+class nsIInputStreamPump;
+class nsIScriptableInputStream;
+class nsIMultiplexInputStream;
+class nsIAsyncStreamCopier;
+class nsIInputStream;
+
+namespace mozilla {
+namespace dom {
+
+/*
+ * App-to-App transport channel for the presentation session. It's usually
+ * initialized with an |InitWithSocketTransport| call if at the presenting sender
+ * side; whereas it's initialized with an |InitWithChannelDescription| if at the
+ * presenting receiver side. The lifetime is managed in either
+ * |PresentationControllingInfo| (sender side) or |PresentationPresentingInfo|
+ * (receiver side) in PresentationSessionInfo.cpp.
+ */
+class PresentationTCPSessionTransport final : public nsIPresentationSessionTransport
+                                            , public nsIPresentationTCPSessionTransportBuilder
+                                            , public nsITransportEventSink
+                                            , public nsIInputStreamCallback
+                                            , public nsIStreamListener
+{
+public:
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(PresentationTCPSessionTransport,
+                                           nsIPresentationSessionTransport)
+
+  NS_DECL_NSIPRESENTATIONSESSIONTRANSPORT
+  NS_DECL_NSIPRESENTATIONSESSIONTRANSPORTBUILDER
+  NS_DECL_NSIPRESENTATIONTCPSESSIONTRANSPORTBUILDER
+  NS_DECL_NSITRANSPORTEVENTSINK
+  NS_DECL_NSIINPUTSTREAMCALLBACK
+  NS_DECL_NSIREQUESTOBSERVER
+  NS_DECL_NSISTREAMLISTENER
+
+  PresentationTCPSessionTransport();
+
+  void NotifyCopyComplete(nsresult aStatus);
+
+private:
+  ~PresentationTCPSessionTransport();
+
+  nsresult CreateStream();
+
+  nsresult CreateInputStreamPump();
+
+  void EnsureCopying();
+
+  enum class ReadyState {
+    CONNECTING,
+    OPEN,
+    CLOSING,
+    CLOSED
+  };
+
+  void SetReadyState(ReadyState aReadyState);
+
+  bool IsReadyToNotifyData()
+  {
+    return mDataNotificationEnabled && mReadyState == ReadyState::OPEN;
+  }
+
+  ReadyState mReadyState;
+  bool mAsyncCopierActive;
+  nsresult mCloseStatus;
+  bool mDataNotificationEnabled;
+
+  uint8_t mRole = 0;
+
+  // Raw socket streams
+  nsCOMPtr<nsISocketTransport> mTransport;
+  nsCOMPtr<nsIInputStream> mSocketInputStream;
+  nsCOMPtr<nsIOutputStream> mSocketOutputStream;
+
+  // Input stream machinery
+  nsCOMPtr<nsIInputStreamPump> mInputStreamPump;
+  nsCOMPtr<nsIScriptableInputStream> mInputStreamScriptable;
+
+  // Output stream machinery
+  nsCOMPtr<nsIMultiplexInputStream> mMultiplexStream;
+  nsCOMPtr<nsIAsyncStreamCopier> mMultiplexStreamCopier;
+
+  nsCOMPtr<nsIPresentationSessionTransportCallback> mCallback;
+  nsCOMPtr<nsIPresentationSessionTransportBuilderListener> mListener;
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif // mozilla_dom_PresentationSessionTransport_h