/*
 * Copyright (C) 2010 Google 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:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * 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.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
 * OWNER OR 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 "DirectoryReaderSync.h"

#if ENABLE(FILE_SYSTEM)

#include "DirectoryEntry.h"
#include "DirectoryEntrySync.h"
#include "EntryArraySync.h"
#include "EntrySync.h"
#include "ExceptionCode.h"
#include "FileEntrySync.h"
#include "FileException.h"
#include "SyncCallbackHelper.h"

namespace WebCore {

DirectoryReaderSync::DirectoryReaderSync(PassRefPtr<DOMFileSystemBase> fileSystem, const String& fullPath)
    : DirectoryReaderBase(fileSystem, fullPath)
{
}

PassRefPtr<EntryArraySync> DirectoryReaderSync::readEntries(ExceptionCode& ec)
{
    ec = 0;
    if (!m_hasMoreEntries)
        return EntryArraySync::create();

    EntriesSyncCallbackHelper helper(m_fileSystem->asyncFileSystem());
    if (!m_fileSystem->readDirectory(this, m_fullPath, helper.successCallback(), helper.errorCallback())) {
        ec = FileException::INVALID_MODIFICATION_ERR;
        setHasMoreEntries(false);
        return 0;
    }
    return helper.getResult(ec);
}

} // namespace

#endif // ENABLE(FILE_SYSTEM)