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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /storage/mozStorageAsyncStatement.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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diff --git a/storage/mozStorageAsyncStatement.h b/storage/mozStorageAsyncStatement.h
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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 mozilla_storage_mozStorageAsyncStatement_h_
+#define mozilla_storage_mozStorageAsyncStatement_h_
+
+#include "nsAutoPtr.h"
+#include "nsString.h"
+
+#include "nsTArray.h"
+
+#include "mozStorageBindingParamsArray.h"
+#include "mozStorageStatementData.h"
+#include "mozIStorageAsyncStatement.h"
+#include "StorageBaseStatementInternal.h"
+#include "mozilla/Attributes.h"
+
+class nsIXPConnectJSObjectHolder;
+
+namespace mozilla {
+namespace storage {
+
+class AsyncStatementJSHelper;
+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<nsIXPConnectJSObjectHolder> 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_