/*
 * 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,
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "config.h"
#include "modules/filesystem/DirectoryReaderSync.h"

#include "bindings/v8/ExceptionState.h"
#include "core/dom/ExceptionCode.h"
#include "modules/filesystem/DirectoryEntry.h"
#include "modules/filesystem/DirectoryEntrySync.h"
#include "modules/filesystem/EntrySync.h"
#include "modules/filesystem/FileEntrySync.h"
#include "modules/filesystem/SyncCallbackHelper.h"

namespace WebCore {

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

EntrySyncVector DirectoryReaderSync::readEntries(ExceptionState& exceptionState)
{
    if (!m_hasMoreEntries)
        return EntrySyncVector();

    EntriesSyncCallbackHelper helper;
    if (!m_fileSystem->readDirectory(this, m_fullPath, helper.successCallback(), helper.errorCallback(), DOMFileSystemBase::Synchronous)) {
        exceptionState.throwDOMException(InvalidModificationError, "Failed to read the directory.");
        setHasMoreEntries(false);
        return EntrySyncVector();
    }
    return helper.getResult(exceptionState);
}

} // namespace