/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- * vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ : * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #ifndef mozilla_storage_mozStorageAsyncStatementJSHelper_h_ #define mozilla_storage_mozStorageAsyncStatementJSHelper_h_ #include "nsIXPCScriptable.h" #include "nsIXPConnect.h" class AsyncStatement; namespace mozilla { namespace storage { /** * A modified version of StatementJSHelper that only exposes the async-specific * 'params' helper. We do not expose 'row' or 'step' as they do not apply to * us. */ class AsyncStatementJSHelper : public nsIXPCScriptable { public: NS_DECL_ISUPPORTS NS_DECL_NSIXPCSCRIPTABLE private: nsresult getParams(AsyncStatement *, JSContext *, JSObject *, JS::Value *); }; /** * Wrapper used to clean up the references JS helpers hold to the statement. * For cycle-avoidance reasons they do not hold reference-counted references, * so it is important we do this. */ class AsyncStatementParamsHolder final : public nsIXPConnectJSObjectHolder { public: NS_DECL_ISUPPORTS NS_DECL_NSIXPCONNECTJSOBJECTHOLDER explicit AsyncStatementParamsHolder(nsIXPConnectJSObjectHolder* aHolder); private: virtual ~AsyncStatementParamsHolder(); nsCOMPtr<nsIXPConnectJSObjectHolder> mHolder; }; } // namespace storage } // namespace mozilla #endif // mozilla_storage_mozStorageAsyncStatementJSHelper_h_