dom/indexedDB/IDBWrapperCache.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=2 et sw=2 tw=80: */
   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 file,
   5  * You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_dom_indexeddb_idbwrappercache_h__
   8 #define mozilla_dom_indexeddb_idbwrappercache_h__
   9
  10 #include "mozilla/DOMEventTargetHelper.h"
  11 #include "mozilla/dom/indexedDB/IndexedDatabase.h"
  12
  13 BEGIN_INDEXEDDB_NAMESPACE
  14
  15 class IDBWrapperCache : public DOMEventTargetHelper
  16 {
  17 public:
  18   NS_DECL_ISUPPORTS_INHERITED
  19   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(
  20                                                    IDBWrapperCache,
  21                                                    DOMEventTargetHelper)
  22
  23   JSObject* GetScriptOwner() const
  24   {
  25     return mScriptOwner;
  26   }
  27   void SetScriptOwner(JSObject* aScriptOwner);
  28
  29 #ifdef DEBUG
  30   void AssertIsRooted() const;
  31 #else
  32   inline void AssertIsRooted() const
  33   {
  34   }
  35 #endif
  36
  37 protected:
  38   explicit IDBWrapperCache(DOMEventTargetHelper* aOwner)
  39     : DOMEventTargetHelper(aOwner), mScriptOwner(nullptr)
  40   { }
  41   explicit IDBWrapperCache(nsPIDOMWindow* aOwner)
  42     : DOMEventTargetHelper(aOwner), mScriptOwner(nullptr)
  43   { }
  44
  45   virtual ~IDBWrapperCache();
  46
  47 private:
  48   JS::Heap<JSObject*> mScriptOwner;
  49 };
  50
  51 END_INDEXEDDB_NAMESPACE
  52
  53 #endif // mozilla_dom_indexeddb_idbwrappercache_h__