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+/* -*- 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 MOZSTORAGESTATEMENTJSHELPER_H
+#define MOZSTORAGESTATEMENTJSHELPER_H
+
+#include "nsIXPCScriptable.h"
+
+class Statement;
+
+namespace mozilla {
+namespace storage {
+
+class StatementParams;
+class StatementRow;
+
+class StatementJSHelper : public nsIXPCScriptable {
+ public:
+ NS_DECL_ISUPPORTS
+ NS_DECL_NSIXPCSCRIPTABLE
+
+ private:
+ nsresult getRow(Statement*, JSContext*, JSObject*, JS::Value*);
+ nsresult getParams(Statement*, JSContext*, JSObject*, JS::Value*);
+};
+
+/**
+ * Wrappers 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 StatementParamsHolder final : public nsISupports {
+ public:
+ NS_DECL_ISUPPORTS
+
+ explicit StatementParamsHolder(StatementParams* aParams) : mParams(aParams) {}
+
+ StatementParams* Get() const {
+ MOZ_ASSERT(mParams);
+ return mParams;
+ }
+
+ private:
+ virtual ~StatementParamsHolder();
+
+ RefPtr<StatementParams> mParams;
+};
+
+class StatementRowHolder final : public nsISupports {
+ public:
+ NS_DECL_ISUPPORTS
+
+ explicit StatementRowHolder(StatementRow* aRow) : mRow(aRow) {}
+
+ StatementRow* Get() const {
+ MOZ_ASSERT(mRow);
+ return mRow;
+ }
+
+ private:
+ virtual ~StatementRowHolder();
+
+ RefPtr<StatementRow> mRow;
+};
+
+} // namespace storage
+} // namespace mozilla
+
+#endif // MOZSTORAGESTATEMENTJSHELPER_H