content/common/npobject_base.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4 //
   5 // Base interface used by NPChannelBase and implemented by NPObjectProxy and
   6 // NPObjectStub.
   7
   8 #ifndef CONTENT_COMMON_NPOBJECT_BASE_H_
   9 #define CONTENT_COMMON_NPOBJECT_BASE_H_
  10
  11 #include "ipc/ipc_listener.h"
  12 #include "third_party/npapi/bindings/npruntime.h"
  13
  14 struct NPObject;
  15
  16 namespace content {
  17
  18 class NPObjectBase {
  19  public:
  20   virtual ~NPObjectBase() {}
  21
  22   // Returns the underlying NPObject handled by this NPObjectBase instance.
  23   virtual NPObject* GetUnderlyingNPObject() = 0;
  24
  25   // Returns the channel listener for this NPObjectBase instance.
  26   virtual IPC::Listener* GetChannelListener() = 0;
  27 };
  28
  29 }  // namespace content
  30
  31 #endif  // CONTENT_COMMON_NPOBJECT_BASE_H_