1 files changed, 101 insertions, 0 deletions
diff --git a/storage/mozStorageAsyncStatement.h b/storage/mozStorageAsyncStatement.h
new file mode 100644
index 0000000000..ceaead1771
--- /dev/null
+++ b/storage/mozStorageAsyncStatement.h
@@ -0,0 +1,101 @@
+/* -*- 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_mozStorageAsyncStatement_h_
+#define mozilla_storage_mozStorageAsyncStatement_h_
+
+#include "nsString.h"
+
+#include "nsTArray.h"
+
+#include "mozStorageBindingParamsArray.h"
+#include "mozStorageStatementData.h"
+#include "mozIStorageAsyncStatement.h"
+#include "StorageBaseStatementInternal.h"
+#include "mozilla/Attributes.h"
+
+namespace mozilla {
+namespace storage {
+
+class AsyncStatementJSHelper;
+class AsyncStatementParamsHolder;
+class Connection;
+
+class AsyncStatement final : public mozIStorageAsyncStatement,
+                             public StorageBaseStatementInternal {
+ public:
+  NS_DECL_THREADSAFE_ISUPPORTS
+  NS_DECL_MOZISTORAGEASYNCSTATEMENT
+  NS_DECL_MOZISTORAGEBASESTATEMENT
+  NS_DECL_MOZISTORAGEBINDINGPARAMS
+  NS_DECL_STORAGEBASESTATEMENTINTERNAL
+
+  AsyncStatement();
+
+  /**
+   * Initializes the object on aDBConnection by preparing the SQL statement
+   * given by aSQLStatement.
+   *
+   * @param aDBConnection
+   *        The Connection object this statement is associated with.
+   * @param aNativeConnection
+   *        The native Sqlite connection this statement is associated with.
+   * @param aSQLStatement
+   *        The SQL statement to prepare that this object will represent.
+   */
+  nsresult initialize(Connection* aDBConnection, sqlite3* aNativeConnection,
+                      const nsACString& aSQLStatement);
+
+  /**
+   * Obtains and transfers ownership of the array of parameters that are bound
+   * to this statment.  This can be null.
+   */
+  inline already_AddRefed<BindingParamsArray> bindingParamsArray() {
+    return mParamsArray.forget();
+  }
+
+ private:
+  ~AsyncStatement();
+
+  /**
+   * @return a pointer to the BindingParams object to use with our Bind*
+   *         method.
+   */
+  mozIStorageBindingParams* getParams();
+
+  /**
+   * The SQL string as passed by the user.  We store it because we create the
+   * async statement on-demand on the async thread.
+   */
+  nsCString mSQLString;
+
+  /**
+   * Holds the array of parameters to bind to this statement when we execute
+   * it asynchronously.
+   */
+  RefPtr<BindingParamsArray> mParamsArray;
+
+  /**
+   * Caches the JS 'params' helper for this statement.
+   */
+  nsMainThreadPtrHandle<AsyncStatementParamsHolder> mStatementParamsHolder;
+
+  /**
+   * Have we been explicitly finalized by the user?
+   */
+  bool mFinalized;
+
+  /**
+   * Required for access to private mStatementParamsHolder field by
+   * AsyncStatementJSHelper::getParams.
+   */
+  friend class AsyncStatementJSHelper;
+};
+
+}  // namespace storage
+}  // namespace mozilla
+
+#endif  // mozilla_storage_mozStorageAsyncStatement_h_