From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- storage/mozStorageAsyncStatementJSHelper.h | 58 ++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 storage/mozStorageAsyncStatementJSHelper.h (limited to 'storage/mozStorageAsyncStatementJSHelper.h') diff --git a/storage/mozStorageAsyncStatementJSHelper.h b/storage/mozStorageAsyncStatementJSHelper.h new file mode 100644 index 0000000000..ee787fca0b --- /dev/null +++ b/storage/mozStorageAsyncStatementJSHelper.h @@ -0,0 +1,58 @@ +/* -*- 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" + +namespace mozilla { +namespace storage { + +class AsyncStatement; +class AsyncStatementParams; + +/** + * 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 nsISupports { + public: + NS_DECL_ISUPPORTS + + explicit AsyncStatementParamsHolder(AsyncStatementParams* aParams) + : mParams(aParams) {} + + AsyncStatementParams* Get() const { + MOZ_ASSERT(mParams); + return mParams; + } + + private: + virtual ~AsyncStatementParamsHolder(); + + RefPtr mParams; +}; + +} // namespace storage +} // namespace mozilla + +#endif // mozilla_storage_mozStorageAsyncStatementJSHelper_h_ -- cgit v1.2.3