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