dom/plugins/ipc/AStream.h

   1 /* -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 8 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef mozilla_plugins_AStream_h
   7 #define mozilla_plugins_AStream_h
   8
   9 namespace mozilla {
  10 namespace plugins {
  11
  12 /**
  13  * When we are passed NPStream->{ndata,pdata} in {NPN,NPP}_DestroyStream, we
  14  * don't know whether it's a plugin stream or a browser stream. This abstract
  15  * class lets us cast to the right type of object and send the appropriate
  16  * message.
  17  */
  18 class AStream
  19 {
  20 public:
  21   virtual bool IsBrowserStream() = 0;
  22 };
  23
  24 } // namespace plugins
  25 } // namespace mozilla
  26
  27 #endif