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/*
* Copyright (C) 2010 Google Inc. All rights reserved.
* Copyright (C) 2013 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "IDBCursorBackendOperations.h"
#include "IDBServerConnection.h"
#if ENABLE(INDEXED_DATABASE)
#include "Logging.h"
namespace WebCore {
void CursorAdvanceOperation::perform(std::function<void()> completionCallback)
{
LOG(StorageAPI, "CursorAdvanceOperation");
RefPtr<CursorAdvanceOperation> operation(this);
auto callback = [this, operation, completionCallback](PassRefPtr<IDBKey> key, PassRefPtr<IDBKey> primaryKey, PassRefPtr<SharedBuffer> value, PassRefPtr<IDBDatabaseError> error) {
if (error) {
m_cursor->clear();
// FIXME: The LevelDB backend calls onSuccess even on failure.
// This will probably have to change soon (for sanity) and will probably break LevelDB
m_callbacks->onSuccess(static_cast<SharedBuffer*>(0));
} else {
m_cursor->updateCursorData(key.get(), primaryKey.get(), value.get());
m_callbacks->onSuccess(key, primaryKey, value);
}
// FIXME: Cursor operations should be able to pass along an error instead of success
completionCallback();
};
m_cursor->transaction().database().serverConnection().cursorAdvance(*m_cursor, *this, callback);
}
void CursorIterationOperation::perform(std::function<void()> completionCallback)
{
LOG(StorageAPI, "CursorIterationOperation");
RefPtr<CursorIterationOperation> operation(this);
auto callback = [this, operation, completionCallback](PassRefPtr<IDBKey> key, PassRefPtr<IDBKey> primaryKey, PassRefPtr<SharedBuffer> value, PassRefPtr<IDBDatabaseError> error) {
if (error) {
m_cursor->clear();
// FIXME: The LevelDB backend calls onSuccess even on failure.
// This will probably have to change soon (for sanity) and will probably break LevelDB
m_callbacks->onSuccess(static_cast<SharedBuffer*>(0));
} else {
m_cursor->updateCursorData(key.get(), primaryKey.get(), value.get());
m_callbacks->onSuccess(key, primaryKey, value);
}
// FIXME: Cursor operations should be able to pass along an error instead of success
completionCallback();
};
m_cursor->transaction().database().serverConnection().cursorIterate(*m_cursor, *this, callback);
}
} // namespace WebCore
#endif // ENABLED(INDEXED_DATABASE)
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