зеркало из https://github.com/mozilla/gecko-dev.git
71 строка
1.7 KiB
C++
71 строка
1.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_indexeddb_idbwrappercache_h__
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#define mozilla_dom_indexeddb_idbwrappercache_h__
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#include "mozilla/dom/indexedDB/IndexedDatabase.h"
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#include "nsDOMEventTargetHelper.h"
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BEGIN_INDEXEDDB_NAMESPACE
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class IDBWrapperCache : public nsDOMEventTargetHelper
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{
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public:
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(
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IDBWrapperCache,
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nsDOMEventTargetHelper)
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JSObject* GetScriptOwner() const
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{
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return mScriptOwner;
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}
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void SetScriptOwner(JSObject* aScriptOwner);
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JSObject* GetParentObject()
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{
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if (mScriptOwner) {
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return mScriptOwner;
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}
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// Do what nsEventTargetSH::PreCreate does.
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nsCOMPtr<nsIScriptGlobalObject> parent;
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nsDOMEventTargetHelper::GetParentObject(getter_AddRefs(parent));
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return parent ? parent->GetGlobalJSObject() : nullptr;
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}
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static IDBWrapperCache* FromSupports(nsISupports* aSupports)
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{
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return static_cast<IDBWrapperCache*>(
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nsDOMEventTargetHelper::FromSupports(aSupports));
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}
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#ifdef DEBUG
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void AssertIsRooted() const;
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#else
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inline void AssertIsRooted() const
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{
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}
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#endif
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protected:
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IDBWrapperCache()
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: mScriptOwner(nullptr)
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{ }
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virtual ~IDBWrapperCache();
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private:
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JSObject* mScriptOwner;
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};
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END_INDEXEDDB_NAMESPACE
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#endif // mozilla_dom_indexeddb_idbwrappercache_h__
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