/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Mozilla Firefox.
 *
 * The Initial Developer of the Original Code is
 * the Mozilla Foundation <http://www.mozilla.org/>.
 * Portions created by the Initial Developer are Copyright (C) 2010
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
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 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#ifndef mozilla_plugins_COMMessageFilter_h
#define mozilla_plugins_COMMessageFilter_h

#include <objidl.h>
#include "nsISupportsImpl.h"
#include "nsAutoPtr.h"

namespace mozilla {
namespace plugins {

class PluginModuleChild;

class COMMessageFilter : public IMessageFilter
{
public:
  static void Initialize(PluginModuleChild* plugin);

  COMMessageFilter(PluginModuleChild* plugin)
    : mPlugin(plugin)
  { }

  HRESULT WINAPI QueryInterface(REFIID riid, void** ppv);
  DWORD WINAPI AddRef();
  DWORD WINAPI Release();

  DWORD WINAPI HandleInComingCall(DWORD dwCallType,
                                  HTASK htaskCaller,
                                  DWORD dwTickCount,
                                  LPINTERFACEINFO lpInterfaceInfo);
  DWORD WINAPI RetryRejectedCall(HTASK htaskCallee,
                                 DWORD dwTickCount,
                                 DWORD dwRejectType);
  DWORD WINAPI MessagePending(HTASK htaskCallee,
                              DWORD dwTickCount,
                              DWORD dwPendingType);

private:
  nsAutoRefCnt mRefCnt;
  PluginModuleChild* mPlugin;
  nsRefPtr<IMessageFilter> mPreviousFilter;
};

} // namespace plugins
} // namespace mozilla

#endif // COMMessageFilter_h