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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* 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_
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