dom/plugins/StreamNotifyParent.h

   1 /* -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 8 -*- */
   2 /* vim: set sw=2 ts=2 et : */
   3 /* ***** BEGIN LICENSE BLOCK *****
   4  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   5  *
   6  * The contents of this file are subject to the Mozilla Public License Version
   7  * 1.1 (the "License"); you may not use this file except in compliance with
   8  * the License. You may obtain a copy of the License at
   9  * http://www.mozilla.org/MPL/
  10  *
  11  * Software distributed under the License is distributed on an "AS IS" basis,
  12  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  13  * for the specific language governing rights and limitations under the
  14  * License.
  15  *
  16  * The Original Code is Mozilla Plugin App.
  17  *
  18  * The Initial Developer of the Original Code is
  19  *   Chris Jones <jones.chris.g@gmail.com>
  20  * Portions created by the Initial Developer are Copyright (C) 2009
  21  * the Initial Developer. All Rights Reserved.
  22  *
  23  * Contributor(s):
  24  *
  25  * Alternatively, the contents of this file may be used under the terms of
  26  * either the GNU General Public License Version 2 or later (the "GPL"), or
  27  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  28  * in which case the provisions of the GPL or the LGPL are applicable instead
  29  * of those above. If you wish to allow use of your version of this file only
  30  * under the terms of either the GPL or the LGPL, and not to allow others to
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  32  * decision by deleting the provisions above and replace them with the notice
  33  * and other provisions required by the GPL or the LGPL. If you do not delete
  34  * the provisions above, a recipient may use your version of this file under
  35  * the terms of any one of the MPL, the GPL or the LGPL.
  36  *
  37  * ***** END LICENSE BLOCK ***** */
  38
  39 #ifndef mozilla_plugins_StreamNotifyParent_h
  40 #define mozilla_plugins_StreamNotifyParent_h
  41
  42 #include "mozilla/plugins/PStreamNotifyParent.h"
  43
  44 namespace mozilla {
  45 namespace plugins {
  46
  47 class StreamNotifyParent : public PStreamNotifyParent
  48 {
  49   friend class PluginInstanceParent;
  50
  51   StreamNotifyParent()
  52     : mDestructionFlag(NULL)
  53   { }
  54   ~StreamNotifyParent() {
  55     if (mDestructionFlag)
  56       *mDestructionFlag = true;
  57   }
  58
  59 public:
  60   // If we are destroyed within the call to NPN_GetURLNotify, notify the caller
  61   // so that we aren't destroyed again. see bug 536437.
  62   void SetDestructionFlag(bool* flag) {
  63     mDestructionFlag = flag;
  64   }
  65   void ClearDestructionFlag() {
  66     mDestructionFlag = NULL;
  67   }
  68
  69 private:
  70   bool* mDestructionFlag;
  71 };
  72
  73 } // namespace plugins
  74 } // namespace mozilla
  75
  76 #endif