Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim:set ts=2 sw=2 sts=2 et cindent: */
       3             : /* This Source Code Form is subject to the terms of the Mozilla Public
       4             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       5             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       6             : 
       7             : #if !defined(GMPCrashHelper_h_)
       8             : #define GMPCrashHelper_h_
       9             : 
      10             : #include "MainThreadUtils.h"
      11             : #include "nsISupportsImpl.h"
      12             : #include "nsPIDOMWindow.h"
      13             : 
      14             : namespace mozilla {
      15             : 
      16             : // For every GMP actor requested, the caller can specify a crash helper,
      17             : // which is an object which supplies the nsPIDOMWindowInner to which we'll
      18             : // dispatch the PluginCrashed event if the GMP crashes.
      19             : // GMPCrashHelper has threadsafe refcounting. Its release method ensures
      20             : // that instances are destroyed on the main thread.
      21           0 : class GMPCrashHelper
      22             : {
      23             : public:
      24             :   NS_METHOD_(MozExternalRefCountType) AddRef(void);
      25             :   NS_METHOD_(MozExternalRefCountType) Release(void);
      26             : 
      27             :   // Called on the main thread.
      28             :   virtual already_AddRefed<nsPIDOMWindowInner> GetPluginCrashedEventTarget() = 0;
      29             : 
      30             : protected:
      31           0 :   virtual ~GMPCrashHelper()
      32           0 :   {
      33           0 :     MOZ_ASSERT(NS_IsMainThread());
      34           0 :   }
      35             :   void Destroy();
      36             :   mozilla::ThreadSafeAutoRefCnt mRefCnt;
      37             :   NS_DECL_OWNINGTHREAD
      38             : };
      39             : 
      40             : } // namespace mozilla
      41             : 
      42             : #endif // GMPCrashHelper_h_