The Tor Browser: dom/indexedDB/IDBWrapperCache.h@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     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/. */

     7 #ifndef mozilla_dom_indexeddb_idbwrappercache_h__

     8 #define mozilla_dom_indexeddb_idbwrappercache_h__

    10 #include "mozilla/DOMEventTargetHelper.h"

    11 #include "mozilla/dom/indexedDB/IndexedDatabase.h"

    13 BEGIN_INDEXEDDB_NAMESPACE

    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)

    23   JSObject* GetScriptOwner() const

    24   {

    25     return mScriptOwner;

    26   }

    27   void SetScriptOwner(JSObject* aScriptOwner);

    29   JSObject* GetParentObject()

    30   {

    31     if (mScriptOwner) {

    32       return mScriptOwner;

    33     }

    35     // Do what nsEventTargetSH::PreCreate does.

    36     nsCOMPtr<nsIScriptGlobalObject> parent;

    37     DOMEventTargetHelper::GetParentObject(getter_AddRefs(parent));

    39     return parent ? parent->GetGlobalJSObject() : nullptr;

    40   }

    42 #ifdef DEBUG

    43   void AssertIsRooted() const;

    44 #else

    45   inline void AssertIsRooted() const

    46   {

    47   }

    48 #endif

    50 protected:

    51   IDBWrapperCache(DOMEventTargetHelper* aOwner)

    52     : DOMEventTargetHelper(aOwner), mScriptOwner(nullptr)

    53   { }

    54   IDBWrapperCache(nsPIDOMWindow* aOwner)

    55     : DOMEventTargetHelper(aOwner), mScriptOwner(nullptr)

    56   { }

    58   virtual ~IDBWrapperCache();

    60 private:

    61   JS::Heap<JSObject*> mScriptOwner;

    62 };

    64 END_INDEXEDDB_NAMESPACE

    66 #endif // mozilla_dom_indexeddb_idbwrappercache_h__

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