/*

 * Copyright (C) 2009 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"

#if ENABLE(NOTIFICATIONS)

#include "NotificationCenter.h"

#include "Document.h"

#include "VoidCallback.h"

#include "WorkerContext.h"

namespace WebCore {

NotificationCenter::NotificationCenter(ScriptExecutionContext* context, NotificationPresenter* presenter)

    : ActiveDOMObject(context, this)

    , m_scriptExecutionContext(context)

    , m_notificationPresenter(presenter) {}

int NotificationCenter::checkPermission()

{

    if (!presenter())

        return NotificationPresenter::PermissionDenied;

    return m_notificationPresenter->checkPermission(m_scriptExecutionContext);

}

void NotificationCenter::requestPermission(PassRefPtr<VoidCallback> callback)

{

    if (!presenter())

        return;

    m_notificationPresenter->requestPermission(m_scriptExecutionContext, callback);

}

void NotificationCenter::disconnectFrame()

{

    // m_notificationPresenter should never be 0. But just to be safe, we check it here.

    // Due to the mysterious bug http://code.google.com/p/chromium/issues/detail?id=49323.

    ASSERT(m_notificationPresenter);

    if (!m_notificationPresenter)

        return;

    m_notificationPresenter->cancelRequestsForPermission(m_scriptExecutionContext);

    m_notificationPresenter = 0;

    m_scriptExecutionContext = 0;

}

} // namespace WebCore

#endif // ENABLE(NOTIFICATIONS)