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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /storage/mozStorageAsyncStatementJSHelper.h | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'storage/mozStorageAsyncStatementJSHelper.h')
-rw-r--r-- | storage/mozStorageAsyncStatementJSHelper.h | 58 |
1 files changed, 58 insertions, 0 deletions
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<AsyncStatementParams> mParams; +}; + +} // namespace storage +} // namespace mozilla + +#endif // mozilla_storage_mozStorageAsyncStatementJSHelper_h_ |