/*

 * Copyright (C) 2007 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.

 * 3.  Neither the name of Apple Computer, Inc. ("Apple") 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 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 "JSDatabase.h"

#if ENABLE(DATABASE)

#include "DOMWindow.h"

#include "Database.h"

#include "Document.h"

#include "ExceptionCode.h"

#include "JSSQLTransactionCallback.h"

#include "JSSQLTransactionErrorCallback.h"

#include "JSCustomVoidCallback.h"

#include "JSDOMWindowCustom.h"

#include "PlatformString.h"

#include "SQLValue.h"

#include <runtime/JSArray.h>

namespace WebCore {

using namespace JSC;

JSValue JSDatabase::changeVersion(ExecState* exec)

{

    String oldVersion = ustringToString(exec->argument(0).toString(exec));

    if (exec->hadException())

        return jsUndefined();

    String newVersion = ustringToString(exec->argument(1).toString(exec));

    if (exec->hadException())

        return jsUndefined();

    JSObject* object = exec->argument(2).getObject();

    if (!object) {

        setDOMException(exec, TYPE_MISMATCH_ERR);

        return jsUndefined();

    }

    RefPtr<SQLTransactionCallback> callback(JSSQLTransactionCallback::create(object, static_cast<JSDOMGlobalObject*>(globalObject())));

    RefPtr<SQLTransactionErrorCallback> errorCallback;

    if (!exec->argument(3).isNull()) {

        object = exec->argument(3).getObject();

        if (!object) {

            setDOMException(exec, TYPE_MISMATCH_ERR);

            return jsUndefined();

        }

        errorCallback = JSSQLTransactionErrorCallback::create(object, static_cast<JSDOMGlobalObject*>(globalObject()));

    }

    RefPtr<VoidCallback> successCallback;

    if (!exec->argument(4).isNull()) {

        object = exec->argument(4).getObject();

        if (!object) {

            setDOMException(exec, TYPE_MISMATCH_ERR);

            return jsUndefined();

        }

        successCallback = JSCustomVoidCallback::create(object, static_cast<JSDOMGlobalObject*>(globalObject()));

    }

    m_impl->changeVersion(oldVersion, newVersion, callback.release(), errorCallback.release(), successCallback.release());

    return jsUndefined();

}

static JSValue createTransaction(ExecState* exec, Database* database, JSDOMGlobalObject* globalObject, bool readOnly)

{

    JSObject* object = exec->argument(0).getObject();

    if (!object) {

        setDOMException(exec, TYPE_MISMATCH_ERR);

        return jsUndefined();

    }

    RefPtr<SQLTransactionCallback> callback(JSSQLTransactionCallback::create(object, globalObject));

    RefPtr<SQLTransactionErrorCallback> errorCallback;

    if (exec->argumentCount() > 1 && !exec->argument(1).isNull()) {

        object = exec->argument(1).getObject();

        if (!object) {

            setDOMException(exec, TYPE_MISMATCH_ERR);

            return jsUndefined();

        }

        errorCallback = JSSQLTransactionErrorCallback::create(object, globalObject);

    }

    RefPtr<VoidCallback> successCallback;

    if (exec->argumentCount() > 2 && !exec->argument(2).isNull()) {

        object = exec->argument(2).getObject();

        if (!object) {

            setDOMException(exec, TYPE_MISMATCH_ERR);

            return jsUndefined();

        }

        successCallback = JSCustomVoidCallback::create(object, globalObject);

    }

    database->transaction(callback.release(), errorCallback.release(), successCallback.release(), readOnly);

    return jsUndefined();

}

JSValue JSDatabase::transaction(ExecState* exec)

{

    return createTransaction(exec, m_impl.get(), static_cast<JSDOMGlobalObject*>(globalObject()), false);

}

JSValue JSDatabase::readTransaction(ExecState* exec)

{

    return createTransaction(exec, m_impl.get(), static_cast<JSDOMGlobalObject*>(globalObject()), true);

}

}

#endif // ENABLE(DATABASE)